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Release of three grain sorghum pure line varieties in Botswana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. Setimela --- Department of Agricultural Research, Botswana C.S. Manthe --- Department of Agricultural Research, Botswana L. Mazhani --- Department of Agricultural Research, Botswana A.B. Obilana --- , ZimbabweThree sorghum varieties, Macia, SDS 2583 and Bot 79, were cooperatively developed by the Botswana National Agricultural Research System (NARS) and the Southern African Development Community/International Crops Research Institute for the Semi-Arid Tropics (SADC/ICRISAT). These were jointly tested for four... -
Response of local maize varieties and commercial hybrids to natural infestation by Busseola fusca (Fuller) (Lepidoptera: Noctuidae) in Lesotho
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.A. Ebenebe --- Department of Zoology and Entomology, Faculty of Natural Sciences, Republic of South Africa J. van den Berg --- , Republic of South Africa T.C. van der Linde --- Department of Zoology and Entomology, Faculty of Natural Sciences, Republic of South AfricaThe response of farmers' varieties and maize hybrids commonly grown in Lesotho was evaluated in field trials under natural infestations of Busseola fusca (Fuller). Plant response of varieties and hybrids was evaluated in relation to a susceptible and resistant maize... -
Host suitability of selected South African maize genotypes to the root-knot nematode species Meloidogyne incognita race 2 and Meloidogyne javanica: A preliminary study
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.L. Ngobeni --- , South Africa H. Fourie --- , South Africa A.H. Mc Donald --- , South Africa P.W. Mashela --- , South AfricaThirty-one commercial maize (Zea mays L.) hybrids and open-pollinated varieties (OPV’s) were screened in separate greenhouse trials with a resistant inbred line MP712W as reference genotype for host suitability to Mel-oidogyne incognita race 2 and Meloidogyne javanica. Approximately 10 000... -
Production potential of Italian and Westerwolds ryegrass established at different planting dates
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Philip R Botha --- Western Cape Department of Agriculture, Outeniqua Research Farm, South Africa Lethu B Zulu --- Western Cape Department of Agriculture, Outeniqua Research Farm, South Africa Janke van der Colf --- Western Cape Department of Agriculture, Outeniqua Research Farm, South Africa Pieter A Swanepoel --- Department of Agronomy, South AfricaFodder flow planning is essential for dairy-pasture systems because its implementation allows fodder to be available throughout the year. Italian and Westerwolds ryegrass varieties (Lolium multiflorum var. italicum and westerwoldicum, respectively) are temperate annuals often planted in the southern Cape... -
DNA fingerprinting of open-pollinated maize seed lots to establish genetic purity using simple sequence repeat markers
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Peter S Setimela --- Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Zimbabwe Marilyn L Warburton --- Corn Host Plant Resistance Research Unit, United States Department of Agriculture, USA Tertia Erasmus --- INCOTEC South Africa (Pty) Ltd, South AfricaMaize (Zea mays L.) plays a dominant role in farming systems in sub-Saharan Africa (SSA). There has been a four-to-five-fold increase in the number of seed companies in SSA in the last decade, and yet more than half of small-holder... -
Nitrogen Deficiency in Semi-Arid Kenya: Can Pigeonpea fix it?
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: K. Kwena --- University of Nairobi, Kenya G. N. Karuku --- University of Nairobi, Kenya F. O. Ayuke --- University of Nairobi, Kenya A. O. Esilaba --- Kenya Agricultural & Livestock Research Organization (KALRO), KenyaFew studies have evaluated improved pigeonpea varieties developed and released in Kenya for soil fertility improvement and contribution to the productivity of cereal-based cropping systems prevalent in marginal areas. A study comprising field and greenhouse experiments was conducted between 2009... -
Optimising the number of test sites, crop-years and replications to maximize post-release testing efficiencies
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sbongeleni Warren Duma --- School of Agricultural, Earth and Environmental Sciences, South Africa Hussein Shimelis --- School of Agricultural, Earth and Environmental Sciences, South Africa Sanesh Ramburan --- School of Agricultural, Earth and Environmental Sciences, South Africa Admire Isaac Tichafa Shayanowako --- School of Agricultural, Earth and Environmental Sciences, South AfricaThe South African sugar industry develops commercial sugarcane cultivars across multiple testing sites, crop-years and replications. The extent of such parameters has not been well quantified for optimum breeding and resource allocation. The objective of this study was to identify... -
Adoption of maize varieties on smallholder farmers’ market participation in Oromia Regional State, Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abadi Teferi Alemaw --- , Ethiopia Alem Mezgebo Hailu --- , Ethiopia Shishay Teklay Kahsay --- , EthiopiaAgricultural technologies have been introduced to Ethiopia. Farmers adopt such technologies for bettering their livelihoods by increasing farm production. However, increasing production by itself may not necessarily enhance farmers’ livelihoods. Among other factors that can result in enhanced livelihoods, farmers... -
Interactions among actors in improved rice varieties innovation system in the Eastern Zone of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sospeter J. Charles --- , Tanzania Amon Z. Mattee --- , Tanzania Catherine P. Msuya-Bengesi --- , TanzaniaThe concept of IS has gained importance in understanding the interactions among actors as determinants of innovation. Determinants of innovation are not viewed individually but within the context of a complex IS involving many actors and interactions. Therefore, this study... -
Adoption of dual-purpose sweetpotato varieties under partial population exposure in Rwanda: Insights from an African plant breeding programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gideon Danso-Abbeam --- , South Africa Lloyd J.S. Baiyegunhi --- , South Africa Mark D. Laing --- , South Africa Hussein Shimelis --- , South AfricaAs part of the Green Revolution, plant breeding programmes such as the African Centre for Crop Improvement have trained scientists to breed crop varieties in Africa to address the challenges of low productivity. However, exposure to and adoption of these... -
Factors affecting interactions between different key actors in improved rice varieties innovation system in the Eastern Zone of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sospeter J. Charles --- , Iringa, Tanzania Amon Z. Mattee --- , Tanzania Catherine P. Msuya-Bengesi --- , TanzaniaThis study examines factors affecting the interactions between different key actors in the innovation system of improved rice varieties in the Eastern Zone of Tanzania. A parallel mixed design was used to collect the data from a sample of 340... -
Support for local wines in The Netherlands: opportunities for the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Joost Ijsselmuiden --- , The NetherlandsThis article reports on a research project to measure the current intrinsic competitive value of Dutch wine in comparison to wines from renowned wine countries based on a taste and olfactory evaluation, and to explore the sustainable benefits that local... -
Impact of adopting the climate-smart crop varieties on food security in southwestern Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Dubale Abate --- Injibara University, Ethiopia Henoke Tesfaye --- Wolkite University, Ethiopia Metadel Kassaw --- Wolkite University, Ethiopia Yonnas Addis --- Wolkite University, Ethiopia Habtamu Mossie --- Injibara University, EthiopiaClimate-smart crop varieties (CSV) are vital in improving food security by enhancing productivity while reducing problems of climate change. However, there is a low adoption of these varieties by the farmers in the study area due to lack of awareness...