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Morphogenesis of Malus domestica cv. Starking flower buds
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- ,Differentiation of reproductive buds of the Starking apple (Malus domestica) was studied by scanning electron microscopy. Differentiation of reproductive structures was initiated during the first week of January when the shoot apex flattened. In terminal flower primordia, sepal primordia were... -
Effect of the previous crop on cortical cell number of Malus domestica cv. Starking Delicious apple flower primordia, flowers and fruit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- ,The effect of the crop of the previous season on cell size of the cortical region of flower primordia, flowers and fruit size in Starking Delicious apples was investigated. Cell number was monitored from the onset of differentiation of the... -
Die invloed van nat grondtoestande op die vrugkwaliteit van appels
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.F. Lourens --- ,Vrugontledings op appels van bome op gedeeltelik versuipte gronde gedurende die vruggroei-periode het hoër Na- en B- en laer N- en Mg-peile getoon as appels van bome op droër gronde. Die vrugte van nat persele was fermer en het hoër... -
Enkele faktore wat die vruggroei van sitrus beïnvloed
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.F. du Plessis --- , Republiek van Suid-Afrika H.M. du Plessis --- , Republiek van Suid-Afrika'n Ondersoek het aangetoon dat 'n hoogsbetekenisvolle (r = 0,96) verwantskap bestaan tussen waterverbruik van 'n volwasse sitrusboom en vruggroeitempo. Waterverbruik bereik 'n maksimum van 80–90 l/dag gedurende die periode Desember tot einde Maart, dit is dieselfde tyd wanneer vruggrootte... -
Factors affecting fruit quality and shelf life of Bon Chretien pears
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.J. van Zyl --- , Republic of South Africa J.M. Olivier --- Deciduous Fruit Board, Republic of South AfricaBon Chretien pears for canning and the fresh market are grown under various climatic conditions in South Africa. The major orchard factor affecting the shelf life of the fruit after storage seems to be the number of days between full-... -
Influence of abscisic acid on polyphenol oxidase browning potential in avocado
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. Bower --- , Republic of South Africa J. G.M. Cutting --- , Republic of South AfricaVarious levels of abscisic acid (ABA) were infused into unripened ‘Fuerte’ avocado fruit. After ripening, polyphenol oxidase (PPO) activity was measured, and abscisic acid (ABA) levels monitored. The study showed that an increase in applied ABA increased PPO levels, particularly... -
Effect of pre- and post-harvest water stress on the potential for fruit quality defects in avocado (Persea americana Mill.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. Bower --- , Republic of South Africa J. G.M. Cutting --- , Republic of South Africa B.N. Wolstenholme --- , Republic of South AfricaPhysiological and pathological disorders of avocado fruit are a limitation to export sales. The influence of pre-harvest water stress on post-harvest quality was studied using a long-term irrigation trial, i.e., re-wetting in the root zone when soil water tensions reached... -
The effect of some chemical agents on thinning of Golden Delicious and Granny Smith apples
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.F. Lourens --- , Republic of South AfricaThinning trials were carried out with various chemical compounds on Golden Delicious and Granny Smith apple trees over a period of three years in the Elgin area in the western Cape. The scorching agents dinoseb (2-sec-butyl-4,-6-dinitrophenol) and paraquat (1,1'-dimethyl-4,4′-bipyridinium ion)... -
Seasonal uptake and distribution of nutrient elements by kiwifruit vines 1. Macronutrients
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.G. Kotzé --- , Republic of South Africa Johanna de Villiers --- , Republic of South AfricaDry matter production and uptake and distribution of macronutrients in kiwifruit vines (Actinidia deliciosa (A. Chev.) C.F. Liang et A.R. Ferguson var. deliciosa) cv. Hayward were studied in sand culture. The total dry mass of the kiwifruit vine increased sharply... -
Seasonal uptake and distribution of nutrient elements by kiwifruit vines 2. Micronutrients
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.G. Kotzé --- , Republic of South Africa Johanna de Villiers --- , Republic of South AfricaUptake and distribution of micronutrients by kiwifruit vines (Actinidia deliciosa (A. Chev.) C.F. Liang et A.R. Ferguson var. deliciosa) cv. Hayward were studied in sand culture. The period of rapid accumulation of different micronutrients differed substantially. Zinc was accumulated mainly... -
Effect of time of hand-thinning on apple fruit size
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- , Republic of South AfricaThe effect of time of hand-thinning on fruit size of Starking, Starkrimson and Starkspur Golden Delicious was studied during two consecutive seasons. In the first season trees were thinned at weekly or fortnightly intervals, commencing at full bloom until eight... -
Effect of temperature during the first 42 days following full bloom on apple fruit growth and size at harvest
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- , Republic of South AfricaThe relationship between temperature prevailing during the 42-day period following full bloom (42 DFFB) and fruit size at harvest of four apple cultivars was studied for two seasons. Lower temperatures during the first season resulted in smaller fruit whereas higher... -
Proposed regression model for calculating optimum crop levels of apple trees
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- , Republic of South AfricaThe value per ton of Golden Delicious, Granny Smith, Starking and Starkrimson fruit was calculated by assigning values per carton to each of six size groups of fruit harvested from individual trees in experimental orchards during the four seasons 1978/79... -
Effect of triadimefon on fruit set and seed development of ‘Starking Delicious’ apple
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. Jacobs --- Department of Horticulture, Republic of South Africa L. Gouws --- Department of Horticulture, Republic of South Africa D.K. Strydom --- Department of Horticulture, Republic of South AfricaSpray applications of triadimefon (TDF) (1–4 chlorophenoxy 3,3 dimethyl 1–1-H-1,2,4 triazol 1-yl-2 butanone) (5% W.P.) at 100 mg dm−3 active ingredient at full bloom and pre- and/or post-full bloom on ‘Starking Delicious’ apple trees (Malus domestica Borkh.) increased fruit set... -
Invloed van tyd van ringelering op vruggrootte en rypwording van nektariens
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Hannelie Agenbag --- , Republiek van Suid-AfrikaVoldraende Sunlite nektarienbome is in vyf produksie gebiede op 5, 6, 7, 8 en 9 weke na volblom geringeleer in 'n poging om ringelering se effek op vrugkwaliteit vas te stel. Alle ringeleerbehandelings het skynbaar tot groter vrugte gelei, maar... -
Cumulative effect of time of hand-thinning on fruit size of Golden Delicious and Granny Smith apples
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. Bergh --- , Republic of South AfricaThe cumulative effect of time of hand-thinning on fruit size of Golden Delicious and Granny Smith apple trees was studied during seven consecutive seasons for Golden Delicious and four consecutive seasons for Granny Smith. Trees were thinned to single flowers... -
Effect of number of plants per plant hole and of runner plant crown diameter on strawberry yield and fruit mass
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. Human --- , Republic of South AfricaRunner plants of three strawberry cultivars, ‘Selekta’, ‘Tiobelle’ and ‘Tioga’, each with three crown diameter classes, were planted using one, two or three runner plants per planting hole. This was done in order to determine whether yield reductions stemming from... -
Effect of BP1, BP3 and Quince A rootstocks, at three planting densities, on precocity and fruit quality of ‘Forelle’ pear (Pyrus communis L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. du Plooy --- , Republic of South Africa P. van Huyssteen --- , Republic of South Africa‘Forelle’ pear trees (Pyrus communis L.) were established at the Bien Donné experimental farm in the Western Cape Province of South Africa on BP1, BP3 and Quince A rootstocks at three planting densities, i.e., 889, 1667 and 2857 trees. ha... -
The effect of rootstock cultivar on the yield and fruit quality of ‘Packham's Triumph’, ‘Doyenne du Comice’, ‘Forelle’, ‘Flamingo’ and ‘Rosemarie’ pears
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.N. Jacobs --- Department of Horticultural Science, South Africa N.C. Cook --- Department of Horticultural Science, South AfricaProduction data and questionnaire results concerning the long-term effects of various rootstocks on pear (Pyrus communis L.) yield indicated that BP1 and BP3 are currently the preferred rootstocks in the South African industry. Yield records of ‘Packham's Triumph’ pears indicated... -
Chainfruit cholla (Opuntia fulgida Engelm.) misidentified as rosea cactus (Opuntia rosea DC.) in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L. Henderson --- , H.G. Zimmermann --- ,Rosea cactus (Opuntia rosea DC.) is a name that has long been used for a densely spiny cactus invading dry savanna in South Africa. Recent efforts to improve biological control of this invasive species using cochineal (Dactylopius tomentosus (Lamarck)) led... -
The effect of plant-growth regulators on the production of out-of-season greenhouse tomatoes (Lycopersicum esculentum)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C. S.M. van Tonder --- , Republic of South-Africa N. J.J. Combrink --- , Republic of South-AfricaThe yield of greenhouse tomatoes produced in spring and midwinter is reduced by unfavourable environmental conditions involving low temperatures and low light intensities. This study has evaluated the role of various plant growth regulators including: synthetic cytokinin (CPPU) at 1ml.L−1,... -
Effect of timing and method of nitrogen application on rind colour, fruit size, internal fruit quality and yield of ‘Mihowase Satsuma’ mandarin (Citrus unshiu Marc.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: F.N. Mudau --- Department of Horticultural Science, Republic of South Africa S. Tuwana --- Department of Horticultural Science, Republic of South Africa K.I. Theron --- Department of Horticultural Science, Republic of South Africa E. Rabe --- Department of Horticultural Science, Republic of South AfricaEarly rind colour development is a major problem in the production of early-maturing ‘Mihowase Satsuma’ mandarin (Citrus unshiu Marc.) in the Western Cape, South Africa. The effect of different combinations of soil- applied limestone ammonium nitrate and foliar-applied low-biuret urea... -
The effect of boron levels in nutrient solutions on fruit production and quality of greenhouse tomatoes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.N. Smit --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South AfricaInsufficient fruit set of tomatoes owing to poor pollination in low cost greenhouses is a problem in South Africa, as bumblebee pollinators may not be imported. Since sub-optimum boron (B) levels may also contribute to fruit set problems, this aspect... -
Potassium nitrate and urea sprays affect flowering and yields of ‘Tommy Atkins’ (Mangifera indica) mango in Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T. Yeshitela --- Department of Plant Production and Soil Sciences, South Africa P.J. Robbertse --- Department of Plant Production and Soil Sciences, South Africa P. J.C. Stassen --- Department of Horticulture, South AfricaThe effects of leaf applications of potassium nitrate (KNO3), alone and in combination with urea at different concentrations on flowering, fruit set and fruit quality of Tommy Atkins' mango grown in the rift valley of Ethiopia were evaluated. The trees... -
Pollination and yield of winter-grown greenhouse tomatoes as affected by boron nutrition, cluster vibration and relative humidity
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.N. Smit --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South AfricaProblems with reduced yields owing to poor pollination where tomatoes are grown out-of-season in low cost greenhouses, motivated this study. Greenhouse tomatoes were planted in acid washed river sand. Four balanced nutrient solutions, with different boron (B) levels (0.02; 0.16;... -
Effect of blossom stage of ‘Alpine’ nectarine on efficacy of chemical thinning using Armothin
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.S. North --- Division of Horticulture, South Africa M. Booyse --- Biometry Unit, South AfricaFruit thinning of peach and nectarine cultivars is essential to maximize profitability and stabilize production and is routinely done by hand thinning of blossoms and early fruit. Chemical thinning of blossoms may reduce the cost of manual labour, but results... -
Estimates of combining ability for agronomic traits in pepper (Capsicum annuum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.F. Geleta --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South AfricaTwenty-one F1 hybrids were obtained from non-reciprocal crosses among seven genetically diverse pepper genotypes. The parents and F1 (S were evaluated for combining ability and the relative importance of additive and non-additive gene action. The plants were grown in a... -
Effect of pruning on yield and quality of hydroponically grown cherry tomato (Lycopersicon esculentum)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. M. Maboko --- , South Africa C. P. du Plooy --- , South AfricaThe commercial importance of cherry tomatoes is continuously increasing in the South African retail market, with fruit size playing an important role. The effect of pruning on yield and quality of two cherry tomato cultivars (Naomi and Josefina) with an... -
A review of the post harvest handling of fruits in South Africa over the past twenty five years
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Dodd --- , P. Cronje --- , M. Taylor --- , M. Huysamer --- , F. Kruger --- , E. Lotz --- , K. van der Merwe --- ,During the past 25 years there has been a tremendous amount of positive change in the post harvest handling of fruits in South Africa, primarily due to the adoption of many new technologies developed in response to changes in the... -
Comparative performance of tomato cultivars cultivated in two hydroponic production systems
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Maboko --- , South Africa C.P. Du Plooy --- , South Africa I. Bertling --- ,Cultivar selection for different hydroponic production systems is an important management decision, potentially impacting the tomato grower’s profitability. Knowledge on the performance of tomato cultivars, in specific hydroponic systems (open-bag and closed system) under South African conditions, is still very... -
The efficacy of 6-benzyladenine, gibberellins4+7 and prohexadione-calcium to increase fruit size in ‘Forelle’ and ‘Abate Fetel’ pear
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Carlien Dreyer --- Department of Horticultural Science, South Africa Karen I Theron --- Department of Horticultural Science, South AfricaFruit size is an important marketing and quality parameter and has a significant effect on the economic value of fruit. The application of synthetic cytokinins are believed to enhance fruit size by stimulating and extending the cell division stage in... -
Phenotypic variation in fruit, seed and seedling traits of nine Uapaca kirkiana provenances found in Malawi
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: W.F. Mwase Å Bjørnstad Y.M. Ntupanyama M.B. Kwapata J.M. BokosiUapaca kirkiana is one of the priority indigenous fruit tree species for domestication in southern Africa. Natural populations of U. kirkiana are declining due to deforestation, forest fragmentation and wildfires. Knowledge of genetic variation is prerequisite for development of conservation... -
Survey of Indigenous Tree Uses and Preferences in the Eastern Cape Province
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: H. van Eck --- Faculty of Forestry, South Africa C. Ham --- Faculty of Forestry, South Africa G. van Wyk --- Faculty of Forestry, South AfricaA survey was undertaken in four areas in the Eastern Cape Province to establish indigenous tree use patterns and preferences. Through informal interviews a list was compiled of the 25 most popular indigenous trees being used for their fruit and... -
Promoting technology adoption in the small-scale oil palm fruit processing sector in south-western Nigeria: an innovation systems approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olawale O. Adejuwon --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, Nigeria Kehinde A. Taiwo --- Department of Food Science and Technology, Nigeria Matthew O. Ilori --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, NigeriaTechnologies have been developed for various unit operations in small-scale oil palm fruit processing in Nigeria. However, a majority of small-scale processors in the country still adopt traditional techniques, with a few adopting processing technologies for a particular stage in... -
Impact of soil amendments and weather factors on bacterial wilt and yield of two tomato cultivars in Abeokuta, Nigeria
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Akinola R Popoola --- Department of Crop Protection, Nigeria Sikiru A Ganiyu --- Department of Crop Protection, Nigeria Oluwatoyin A Babalola --- Department of Soil Science and Land Management, Nigeria Emily I Ayo-John --- Department of Crop Protection, Nigeria Ayodele A Fajinmi --- Department of Crop Protection, Nigeria Iyabo A Kehinde --- Department of Biological Sciences, Nigeria Taiwo H Adegboye --- IFSERAR, NigeriaTomato bacterial wilt, caused by Ralstonia solanacearum, leads to tomato yield losses of up to 80% in south-western Nigeria. Soil amendments and weather conditions are important in the management of the disease. Field experiments were conducted at the Research Farm... -
Chemical thinning of ‘Barouni’ and ‘Manzanilla’ olives with naphthalene acetic acid under South African conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J Jacques Crous --- Department of Horticultural Science, South Africa Willem J Steyn --- Department of Horticultural Science, South AfricaTable olives grown in the Mediterranean-type climate of Western Cape province of South Africa are prone to alternate bearing, as elsewhere in the world. To date, South African producers have tolerated the negative effects of alternate bearing, but due to... -
Sugar preferences and digestion by Cape white-eyes, Zosterops virens, fed artificial fruit diets
Item type: Journal Article • Journal: African Zoology • Authors: A. E. Wellmann --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South Africa C. T. Downs --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South AfricaSugar preferences and digestion of sugars in artificial fruit of different sugar types and concentrations were investigated in a South African facultative frugivore, the Cape white-eye (Zosterops virens). We studied sugar preferences, daily food and energy intake, and digestive efficiencies... -
Breeding season of Epomophorus walhbergi in the lowveld of Swaziland
Item type: Journal Article • Journal: African Zoology • Authors: Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland April E. Reside --- Centre for Tropical Biodiversity and Climate Change, James Cook University, AustraliaThe fruit bat Epomophorus wahlbergi is abundant in the eastern parts of southern Africa, but its breeding biology remains poorly documented. This study aimed to ascertain the breeding season of this species in northeastern Swaziland where 340 individuals were netted... -
Blood plasma glucose regulation in Wahlberg’s epauletted fruit bat
Item type: Journal Article • Journal: African Zoology • Authors: Babalwa R. Mqokeli --- School of Life Sciences, University of KwaZulu-Natal, South Africa Colleen T. Downs --- School of Life Sciences, University of KwaZulu-Natal, South AfricaFrugivores feed on fruits and nectars that contain different types of sugars in different proportions, which provide these animals with energy. Wahlberg’s epauletted fruit bat (Epomophorus wahlbergi) has a high glucose intake irrespective of sugar concentration of nectar. It is... -
Seasonal differences in foraging dynamics, habitat use and home range size of Wahlberg’s epauletted fruit bat in an urban environment
Item type: Journal Article • Journal: African Zoology • Authors: Dominic P. Rollinson --- School of Life Sciences, University of KwaZulu-Natal, South Africa Joy C. Coleman --- School of Life Sciences, University of KwaZulu-Natal, South Africa Colleen T. Downs --- School of Life Sciences, University of KwaZulu-Natal, South AfricaUrbanization through the process of habitat loss and fragmentation affects ecosystems. Many species are no longer able to survive in these urban areas; however, there are some that have been able to persist and even thrive in these habitats. One... -
Roost temperature and fidelity of Wahlberg’s epauletted fruit bat, Epomophorus wahlbergi, in an urban environment
Item type: Journal Article • Journal: African Zoology • Authors: Dominic P. Rollinson --- School of Life Sciences, University of KwaZulu-Natal, South Africa Joy C. Coleman --- School of Life Sciences, University of KwaZulu-Natal, South Africa Colleen T. Downs --- School of Life Sciences, University of KwaZulu-Natal, South AfricaGenerally,Wahlberg’s epauletted fruit bat (Epomophorus wahlbergi) roost in trees or under the eaves of buildings. This study investigated the roosting dynamics of E. wahlbergi in the urban environment of Pietermaritzburg, South Africa. To determine roost fidelity bats were radiotracked to... -
Reproductive biology of the critically endangered tropical tree Talbotiella gentii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Daniel Dompreh --- Department of Plant and Soil Science, UK Michael D Swaine --- Department of Plant and Soil Science, UK Christopher C Wilcock --- Department of Plant and Soil Science, UKTalbotiella gentii is a critically endangered caesalpiniaceous legume endemic to Ghana, restricted in distribution to the margins of the forest zone where there has been extensive fire damage in recent decades. It occurs as isolated, near-monospecific populations, some of which... -
Digestive efficiency of indigenous and invasive avian species fed fruit of invasive alien plants in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Vuyisile Thabethe --- DST–NRF Centre for Invasion Biology, School of Life Sciences, University of KwaZulu-Natal, South Africa Amy-Leigh Wilson --- DST–NRF Centre for Invasion Biology, School of Life Sciences, University of KwaZulu-Natal, South Africa Lorinda A Hart --- DST–NRF Centre for Invasion Biology, School of Life Sciences, University of KwaZulu-Natal, South Africa Colleen T Downs --- DST–NRF Centre for Invasion Biology, School of Life Sciences, University of KwaZulu-Natal, South AfricaMany highly invasive plant species produce fleshy fruit that are consumed and dispersed by frugivorous birds. However, little is known about assimilation efficiency of invasive fruit by indigenous and invasive avian species. We investigated whether indigenous Knysna (Tauraco corythaix) and... -
Diet of the Silvery-cheeked Hornbill Bycanistes brevis during the breeding season in the East Usambara Mountains, Tanzania
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Norbert J Cordeiro --- Department of Biological, Chemical, and Physical Sciences, USA Joshua T Campbell --- Department of Biological, Chemical, and Physical Sciences, USA Henry J Ndangalasi --- Department of Botany, TanzaniaThe breeding season diet and nesting characteristics of the Silvery-cheeked Hornbill Bycanistes brevis are poorly known. To further understand these aspects of the breeding biology of this hornbill species, 14 nests were studied in and around Amani Nature Reserve located... -
Bioprocessing of jackfruit (Artocarpus heterophyllus L.) pulp into wine: Technology, proximate composition and sensory evaluation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sandeep K. Panda --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa Sunil K. Behera --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South Africa Umesh C. Sahu --- Department of Botany, India Ramesh C. Ray --- ICAR-Regional Centre of Central Tuber Crop Research Institute, India Eugenie Kayitesi --- Department of Biotechnology and Food Technology, Faculty of Science, South Africa A.F. Mulaba-Bafubiandi --- Department of Metallurgy, Faculty of Engineering and the Built Environment, South AfricaMajor wineries are confined to using grapes as substrate, as a result of which other fruits, especially in the tropical zone, remain underutilised. A wine, from jackfruit (Artocarpus heterophyllus L.) pulp, was prepared by fermenting with wine yeast (Saccharomyces cerevisiae)... -
Use of dietary supplements, and awareness and knowledge of the recommended fruit and vegetable intakes and consumption of health food store customers in the Cape Town city bowl
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M Braun --- Department of Agricultural and Food Sciences, I Venter --- Department of Agricultural and Food Sciences,Objectives: The objectives of this study were to determine the dietary supplement use and demographic characteristics of customers visiting health food stores in the Cape Town city bowl, and to determine their awareness and knowledge of the recommended fruit and... -
Would an increase in vegetable and fruit intake help to reduce the burden of nutrition-related disease in South Africa? An umbrella review of the evidence
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: C Naude --- Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences,Evidence indicates that increased vegetable and fruit intake improves health. The intake of vegetables and fruit in South Africa is much lower than recommended. When considering the promotion of greater vegetable and fruit intake in South Africa, it is necessary... -
Prevalence and behavioural risk factors of light or moderate and heavy cigarette smoking in 32 countries
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Karl Peltzer --- ASEAN Institute for Health Development, ThailandThe aim of this study was to predict the prevalence of light or moderate and heavy smoking from lifestyle behavioural risk factors among South African adults compared to others from 31 countries around the world. Secondary data from 53 391... -
Effects of ethanol on fruit selection by frugivorous birds
Item type: Journal Article • Journal: African Zoology • Authors: Manqoba M Zungu --- School of Life Sciences, South Africa Colleen T Downs --- School of Life Sciences, South AfricaEthanol is a natural by-product of the fermentation process of fruit sugars. Its production started with the advent of fleshy fruits, which suggests a long-term association between ethanol and frugivores. Consequently, one suggestion is that because frugivores could use its... -
The potential of NIRs as a non-destructive post-harvest quality assessment tool for ‘Triumph’ persimmon fruit
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pesanai Zanamwe --- Department of Botany and Biotechnology, South AfricaThe potential of near-infrared spectroscopy (NIRs) as an alternative non-destructive post-harvest quality assessment tool for ‘Triumph’ persimmon fruit was assessed. Fruits were harvested at four stages of maturity and each stage was replicated four times. Fruit quality was assessed at... -
Dietary consumption and happiness and depression among university students: A cross-national survey
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- HIV/AIDS/STI/and TB (HAST), South Africa Supa Pengpid --- Department of Research Development and Innovation, South AfricaThe aim of this study was to evaluate the relationships between fruit and vegetable consumption and happiness and depression among university students in a cross-national survey. Using anonymous questionnaires, data were collected from 18 522 undergraduate university students (mean age... -
Whose ethics? The international regulation of labour practices on South African export fruit farms
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Janie Swanepoel --- Department of Anthropology, South AfricaThis paper concerns private labour regulation services in the form of ethical audits. By describing the development and nature of ethical audits in the South African fruit export industry, it juxtaposes the complex relations between farm workers and farmers, shaped... -
Consumption patterns and demographic factors influence on fruit juice classifications, health benefits and sugar content perceptions in two Municipal Districts in Cape Town, Western Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Rodney Graeme Duffett --- Marketing Department, South AfricaObjectives: The study ascertained consumer perceptions of differences between fruit juice classifications regarding their respective health benefits and sugar content. The research also considered the influence of consumption patterns and demographic factors. -
The effect of pre-harvest wind damage on post-harvest quality of ‘Triumph’ persimmon fruit
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pesanai Zanamwe --- Department of Botany and Biotechnology, South AfricaThe post-harvest quality of ‘Triumph’ persimmon fruits grown in the Western Cape, South Africa varies with seasons. Poor post-harvest fruit quality is assumed to be associated with seasons that are characterized by violent wind occurrences. This study was carried out... -
Effect of moringa extract on the leaf anatomy and yield potential of tomato infected by Alternaria solani
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Culver Mvumi --- Department of Plant and Soil Science, South Africa Diana Marais --- Department of Plant and Soil Science, South Africa Elizabeth Ngadze --- Department of Crop Science, Zimbabwe Elsa S du Toit --- Department of Plant and Soil Science, South Africa Albert Tsindi --- Faculty of Agriculture, ZimbabweTomato is often exposed to hormones and diseases, among other factors, to which responses in leaf anatomy and yield are observed. This study evaluated responses in the leaf anatomy of Alternaria solani infected (IN) and non-infected (NIN) tomato (Solanum lycopersicum)... -
Inheritance of fruit neck, rind and seed coat hardness, and seed coat colour in bottle gourd
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nogbou F Amangoua --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Kouamé K Koffi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Jean-Pierre Baudoin --- Unité de Phytotechnie Tropicale et d’Horticulture, Gembloux Agro-Bio Tech, Belgium Irié A Zoro Bi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’IvoireBottle gourd (Lagenaria siceraria (Molina) Standl.) is an edible, medicinal and decorative plant exhibiting wide genetic variation for fruit and seed characters, but it remains under-researched. This study assessed inheritance of fruit neck, fruit rind hardness, seed coat hardness and... -
More than eating dirt: a review of avian geophagy
Item type: Journal Article • Journal: African Zoology • Authors: Colleen T Downs --- School of Life Sciences, South Africa Ian P Bredin --- School of Life Sciences, South Africa Peter D Wragg --- School of Life Sciences, South AfricaGeophagy, the ingestion of earth varying in particle size from stones to soils rich in clay, is a relatively widespread behaviour across avian taxa. We reviewed its occurrence in birds and its hypothesised adaptive functions in birds. Of the ∼30... -
Factors associated with consumption of fruits and vegetables amongst adults in the Alfred Duma Local Municipality, Ladysmith
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Thandi Xaba --- , South Africa Siyabonga Dlamini --- , South AfricaIntroduction: Non-communicable diseases (NCDs) account for more than 63% of all deaths globally. Intake of fruits and vegetables is linked to a lower risk of NCDs. -
Food and beverages promoting elderly health: six food-based dietary guidelines to plan good mixed meals for elderly South Africans
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sanjoy Saha --- , USA Upasana Mukherjee --- , USA Makenzie Miller --- , USA Li-Ling Peng --- , USA Carin Napier --- , South Africa Heleen Grobbelaar --- , South Africa Wilna Oldewage-Theron --- , USAStudies have shown that the elderly are at a higher risk of developing malnutrition due to physiological and pathological changes. Several studies have confirmed that older South Africans have insufficient dietary diversity, resulting in nutritional deficiencies. Furthermore, poor and uninformed... -
Cultivar and planting date effects on the growth, yield and quality of strawberries in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Patience Parehwa --- , South Africa Gavin Linsley-Noakes --- , South Africa Johan Jordaan --- , Jeanette Pauw --- ,In South Africa, strawberry Fragaria × ananassa (Duchesne ex Weston) Duchesne ex Rozier growers have not been able to extend the growing season and produce strawberries year-round primarily due to the types of cultivar available and climatic limitations. The objective... -
Preliminary study on improved postharvest practices for tomato loss reduction in Nigeria, Rwanda and India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olubukola Motunrayo Odeyemi --- , Nigeria Lisa Kitinoja --- , USA Neeru Dubey --- , India Solange Musanase --- , Rwanda Gurbinder Singh Gill --- , USATomato production is increasing along with postharvest losses in Nigeria, Rwanda and India. Modified Commodity Systems Assessment Methodology on tomato was conducted in the study areas during the July – August 2017 harvest season to evaluate the costs and benefits... -
Application of intermittent warming to enhance postharvest quality and extend the shelf life of pomegranate fruit (Punica granatum)
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olaniyi Amos Fawole --- , South Africa Loriane Jennifer Ayo-ola Yanclo --- , South Africa Umezuruike Linus Opara --- , South AfricaIntermittent warming (IW) cycles slow down the physiology of fresh horticultural commodities, thereby extending their storage life. We investigated the effects of IW on physiological disorders, physicochemical, sensory parameters and the emission of volatile organic compounds (VOCs) of pomegranate (Punica... -
Cape Parrot Poicephalus robustus diet in a nutshell: use of indigenous and exotic plants in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kirsten Wimberger --- , South Africa Kate F Carstens --- , South Africa Johann C Carstens --- , South Africa Francis R Brooke --- , South Africa Fanie Rautenbach --- Cape Peninsula University of Technology, South AfricaThe success of conservation action for a threatened species can be improved by knowledge of its feeding and breeding requirements. The Cape Parrot Poicephalus robustus is a threatened endemic restricted to patches of mistbelt forest in South Africa. Cape Parrots... -
Evaluating the effects and benefits of cover crops in citrus orchards: a review
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sibongiseni Silwana --- ARC Infruitec-Nietvoorbij, South Africa Azwimbavhi Reckson Mulidzi --- ARC Infruitec-Nietvoorbij, South Africa Nebo Jovanovic --- University of the Western Cape, South AfricaCover crops are used in sustainable agricultural practices to improve soil quality and minimise the effect of climate change, water restrictions and drought. The South African citrus industry produces and exports a diverse range of citrus fruits; however, knowledge of... -
Delayed rooting hormone application and stem cutting collection time improved Flacourtia indica rooting ability and root growth
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Simon A Mng’omba --- Lilongwe University of Agriculture and Natural Resources, MalawiFlacourtia indica (Burm.f.) Merr. is an important fruit and medicinal tree in Southern Africa. Efforts to achieve early fruiting have failed with juvenile propagules (planting materials) such as seed. Assessing rooting ability of mature (fruit bearing) F. indica stem cuttings... -
6. “Eat plenty of vegetables and fruit every day”: a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Naude CE [cor1]An extensive body of research demonstrates an association between vegetable and fruit intake and reduced disease risk. Available evidence indicates that greater vegetable and fruit intake has been associated with the reduced risk of many of the nutrition-related diseases and...