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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-... -
The influence of applied nitrogen on herbage yield and quality of Lolium perenne L. pastures during the establishment year under subtropical conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: F.R. McKenzie --- Department of Grassland Science, Republic of South AfricaThe dry matter (DM) yield, cellulase DM disappearance (CDMD) and herbage nitrogen (N) of sheep-grazed perennial ryegrass [Lolium perenne (L.)] during its establishment year was evaluated. Yield and quality were monitored under N applications ranging from 120 to 720 kg... -
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... -
Effect of foliar- and soil-applied boron in deciduous fruit orchards 1: apple and pear
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. Wooldridge --- , South AfricaBetween autumn 1996 and May 1998 a variety of boron (B) treatments were applied to mature apple and pear trees on soils containing 0.3 to 0.5 mg B kg−1. Average mid-season apple leaf B levels in the B treatments were... -
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... -
Effect of watering and seedling density on field establishment and performance of pearl millet and sorghum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S. Mapfumo --- Department of Crop Science, Zimbabwe C. Chiduza --- Department of Agronomy, Faculty of Science and Agriculture, South Africa E.M. Young --- , UK F.S. Murungu --- Department of Agronomy, Faculty of Science and Agriculture, South Africa P. Nyamudeza --- , ZimbabweThe practice of transplanting seedlings from nurseries was used as a strategy to improve stand establishment in pearl millet and sorghum in a semi arid area of Zimbabwe. A nursery experiment evaluated three watering regimes namely, watering after depletion to... -
Effect of cultivar, seedling age and leaf clipping on establishment, growth and yield of pearl millet (Pennisetum glaucum) and sorghum (Sorghum bicolor) transplants
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S. Mapfumo --- Department of Crop Science, Zimbabwe C. Chiduza --- Department of Agronomy, Faculty of Science and Agriculture, South Africa E.M. Young --- , UK F.S. Murungu --- Department of Agronomy, Faculty of Science and Agriculture, South Africa P. Nyamudeza --- , ZimbabweThis study explored the viability of intensifying pearl millet and sorghum production through use of nurseries and transplanting to address the problem of poor stand establishment. The experiments were carried out over two seasons, the 1999/2000 and 2000/2001 seasons in... -
Factors affecting in sacco dietary degradation by Ankole cattle grazing natural range pastures in Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Okello EN Sabiiti HJ SchwartzThe in sacco disappearance of dietary dry matter after 48h of incubation in the rumen (DMd) was examined for its relationship with seasonal changes in neutral detergent fibre (NDFd), crude protein (CPd), cellulose (CELL), hemicellulose (HCELL), acid detergent lignin (ADLd)... -
Effect of grazing frequency and intensity on Lolium perenne L. pastures under subtropical conditions: Herbage quality
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: F.R. Mckenzie --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaThe cellulase dry matter disappearance (CDMD) and herbage nitrogen (N) of Lolium perenne (perennial ryegrass) were evaluated for pastures grown under subtropical conditions for two years, under five combinations of grazing frequency and intensity, each applied in a rotational grazing... -
Spatial and seasonal distribution patterns of the ragged-tooth shark Carcharias taurus along the coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ML Dicken MJ Smale AJ BoothCatches from competitive shore-anglers, inshore boat-based anglers and sightings by spearfishers and divers were used to infer the spatial and seasonal movement patterns of young-of-the-year (<1.2m TL), juvenile (1.2–1.8m TL), sub-adult (1.8–2.4m TL) and adult (>2.4m TL) ragged-tooth sharks Carcharias... -
Effect of cultivar, season and locality on lipid content and fatty acid composition of cactus pear seed oil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Maryna de Wit --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Arno Hugo --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Nokuthula Shongwe --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Rouxlene van der Merwe --- Department of Plant Sciences, South AfricaOpuntia ficus-indica (cactus pear) seeds are rich in linoleic acid and have beneficial properties for nutritional, industrial and pharmaceutical purposes. The total lipid content and fatty acid composition depends on various factors, including cultivar, degree of maturity, climate, harvesting season... -
Tiller population dynamics in eight cultivars of elephant grass during undisturbed growth
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: José A Rueda --- Licenciatura en Zootecnia, Mexico Eusebio Ortega-Jiménez --- Colegio de Postgraduados, Mexico Javier F Enríquez-Quiroz --- Campo Experimental “La Posta”, Mexico Rogelio E Palacios-Torres --- Licenciatura en Zootecnia, Mexico Sergio Ramírez-Ordoñes --- Licenciatura en Zootecnia, MexicoThe aim of the study was to assess tiller population dynamics of aerial and basal tillers in eight cultivars of Pennisetum purpureum (Schumach.), syn. Cenchrus purpureus (Schumach.) Morrone, in a warm humid climate in Veracruz, Mexico. This is a pioneer... -
Determinants of Consumers’ Choice and Willingness to Pay for Biofortified Pearl Millet in Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Silas O. Ongudi --- Department of Agricultural Economics and Agribusiness Management, Kenya M.W. Ngigi --- Department of Agricultural Economics and Agribusiness Management, Kenya P.K. Kimurto --- Department of Crops, Horticulture and Crop Sciences, KenyaGlobally, micronutrient deficiency is a major health concern as more than two billion people suffer from iron deficiency, 1.75 billion are at risk of low zinc intake, while 127 million pre-school children suffer from vitamin A deficiency. Consumption of iron... -
Seasonal and successional patterns of phytoplankton in Epe Lagoon, Lagos, Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OA Kunrunmi --- Department of Botany, Nigeria TA Adesalu --- Department of Botany, NigeriaVariations in phytoplankton species abundance and composition are regulated by changes in physico-chemical factors. A study of biodiversity and successional sequences was carried out monthly from November 2012 to April 2014 to determine the environmental factors controlling phytoplankton assemblages in... -
Age and growth of the Cape knifejaw Oplegnathus conwayi, an endemic South African teleost
Item type: Journal Article • Journal: African Zoology • Authors: RM Foster --- , South Africa A-R Childs --- , South Africa BQ Mann --- , South Africa WM Potts --- , South AfricaThe South African spearfishery targets a variety of data-deficient species, which are consequently poorly managed. This study aimed to describe the age and growth of one of these species, the Cape knifejaw, Oplegnathus conwayi, which is endemic to the southern... -
Beauty and materiality: Subjective social class mediation of self-perceived physical attractiveness and materialism in Chinese college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Baoyan Yang --- Northwest Normal University, China Xiaoyue Zhao --- Northwest Normal University, China Mengmeng Zhu --- Northwest Normal University, China Yiting Wang --- Northwest Normal University, China Qiaoqiao Du --- Northwest Normal University, ChinaThis study examines the relationship between self-perceived physical attractiveness and materialism, and the mediating role of subjective social class in that relationship. Participants were 375 Chinese college students (female = 79%; sophomore = 29%; mean age = 21.99; SD =... -
Adoption and intensity of pearl millet technology packages in drought-prone areas of the Waghimra Zone, Ethiopia: A transition pathway for assuring food security
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Asmiro Abeje Fikadu --- Debre Tabor University, Ethiopia Girma Gezimu Gebre --- Alexander von Humboldt Research Fellow at Leibniz-Centre for Agricultural Landscape Research (ZALF), Germany Hisako Nomura --- , Japan Bishaw Adamtie Takele --- Debre Tabor University, Ethiopia Gedefaw Kindu Wubet --- Debre Tabor University, EthiopiaPearl millet, a climate-resilient crop, is advocated for combating food insecurity in drought-prone areas. To that end, the Ethiopian Agricultural Research Institute and agricultural extensions have been instrumental in promoting pearl millet technology packages. However, a more detailed understanding of... -
Dance sport involvement and behavioural loyalty: Body image and self-efficacy among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongdi Wang --- Hunan City University, China Kyungsik Kim --- Hoseo University, South Korea Qingyang Shao --- Hoseo University, South KoreaWe investigated the role of body image and self-efficacy in the relationship between dance sport involvement, and behavioural loyalty in university students participating in dance sport. A total of 75 students from each of ten universities were recruited. Participant were... -
Horizon scanning to identify priority research questions for the South African marine shore-based recreational fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hewett --- Rhodes University, South Africa CS Bova --- Rhodes University, South Africa EC Butler --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa MW Farthing --- Rhodes University, South Africa BQ Mann --- Rhodes University, South Africa JB Mann-Lang --- Rhodes University, South Africa AC Winkler --- Rhodes University, South Africa K Hyder --- Centre for Environment Fisheries and Aquaculture Science, United Kingdom WM Potts --- Rhodes University, South AfricaThe marine shore-based recreational fishery (MSBRF) is the largest sector of the South African linefishery. The high rate of participation, widely dispersed effort, the diversity of motivations, attitudes and perceptions of its participants, and the large number of target species...