Browsing Doctoral Degrees (Plant Breeding) by Title
Now showing items 21-40 of 128
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Breeding investigations for black Sigatoka resistance and associated traits in diploids, tetraploids and the triploid progenies of bananas in Uganda.
(2009)Reduced banana yield owing to black Sigatoka Mycosphaerella fijiensis Morelet is a threat to the livelihoods of Ugandan subsistence farmers who depend entirely on the banana crop for food security. The objectives of this ... -
Breeding investigations for resistance to Phaeosphaeria Leaf Spot (PLS) and other important foliar diseases and a study of yield stability in African maize germplasm.
(2009)Maize (Zea mays L.) yields in the smallholder (SH) farming sector in Southern Africa have remained low. despite the availability of many improved varieties. Among the major constraints contributing to tow yields and ... -
Breeding investigations for salt tolerance in rice incorporating characterisation of salt affected soils and farmers perceptions and preferences for tolerant cultivars in north-eastern Tanzania.
(2010)Rice (Oryza sativa L.) is the principal crop of North Eastern Tanzania but production is threatened by salt affected soils, drought and the use of un-adapted cultivars, among other constraints. Little research and hardly ... -
Breeding investigations of finger millet characteristics including blast disease and striga resistance in Western Kenya.
(2008)Finger millet (Eleusine coracana (L.) Gaertn. ssp. coracana) is an important food, food security and cash crop in eastern and southern Africa where small-scale farmers grow it in low input farming systems. The crop has ... -
Breeding investigations of maize (Zea mays L.) genotypes for tolerance to low nitrogen and drought in Zambia.
(2007)Low soil nitrogen (N) and drought impede maize production in the small-scale farming sector in Zambia; and adoption of new cultivars with improved tolerance might enhance production. This study: a) assessed farmer ... -
Breeding investigations on utility of maize streak virus resistant germplasm for hybrid development in the tropics.
(2014)Maize (Zea mays L.) supports millions of livelihoods in sub-Saharan Africa (SSA) in terms of food and feed. Production of the crop is however limited by several factors, among these, maize streak virus (MSV) disease. ... -
Breeding maize for resistance to the fall armyworm (Spodoptera Frugiperda J.E. Smith), improved yield and yield-related traits.
(2020)Maize production and productivity in sub-Sub-Saharan Africa (SSA), including Zambia, has been severely threatened by the recent arrival of the fall armyworm (FAW) (Spodoptera frugiperda J.E. Smith). Several strategies have ... -
Breeding of sweet potato (Ipomoea batatas (L.) Lam.) for storage root yield and resistance to Alternaria leaf petiole and stem blight (Alternaria spp.) in Uganda.
(2013)Alternaria leaf petiole and stem blight is an important disease of sweetpotato (Ipomoea batatas (L.) Lam.) causing yield losses in both landraces and improved cultivars. The most important species causing economic yield ... -
Breeding of sweetpotato (Ipomoea batatas (L.) Lam) for drought tolerance and high dry matter content in Rwanda.
(2015)Sweetpotato is the third most important root crop next to cassava and potato in Rwanda. Drought stress remains the leading abiotic constraint to sweetpotato production in the Southern and Eastern Provinces of the country. ... -
Breeding of sweetpotato for improvement of root dry matter and β-carotene contents in Ethiopia.
(2015)Sweetpotato [Ipomoea batatas (L.) Lam] is the second major crop among the root and tuber crops in Ethiopia contributing to food and nutrition security. Especially, the orange fleshed sweetpotato (OFSP) is a low-priced ... -
Breeding potato (Solanum tuberosum L.) for high yield and resistance to late blight in Rwanda.
(2014)Potato (Solanum tuberosum L.) is one of the most important food crops in the world, and in developing countries its production has increased over the last decade. Potato has a high content of carbohydrates as a source ... -
Breeding Sorghum [Sorghum bicolor (L.) Moench] for drought tolerance and medium-maturity.
(2017)Abstract available in PDF file. -
Breeding sweetpotato (Ipomoea batatas [L.] Lam.) for drought tolerance in Kenya.
(2013)Sweetpotato (Ipomoea batatas (L.) Lam.) is an important food crop in East Africa including Kenya. The crop incurs high yield losses in production due to biotic (insect pests and diseases) and abiotic (drought, and heat) ... -
Breeding sweetpotato for improved yield and related traits and resistance to sweetpotato virus disease in Eastern Tanzania.
(2015)Sweetpotato production contributes significantly to food security and incomes of subsistence farmers in Tanzania. However, productivity of the crop is constrained by several biotic, abiotic and socio-economic factors. ... -
Breeding tef [Eragrostis tef (Zucc.) trotter] for drought tolerance in Northern Ethiopia.
(2016)Tef is the leading crop in Ethiopia for human food and animal feed. Worldwide tef is becoming a popular health food due to its gluten-free property. Productivity of tef is low in Ethiopia, with a mean of 1.6 t haˉ¹, which ... -
Breeding wheat (triticum aestivum L.) for drought tolerance, improved yield and biomass allocation through chemical mutagenesis.
(2020)Abstract available in PDF. -
Breeding, evaluation and selection of Cassava for high starch content and yield in Tanzania.
(2009)High starch content is an important component of root quantity and quality for almost all uses of cassava (flour, chips, and industrial raw material). However, there is scanty information on genetic variability for dry ... -
Cassava breeding through complementary conventional and participatory approaches in western Kenya.
(2011)Participation of farmers in plant breeding programmes has been reported to increase breeding efficiency. Farmers’ participation bridges the gap between variety development and dissemination and provides an opportunity ...