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Mwiindilila, C.N. M.Sc., the University of Manitoba, February, 1984. Characterisation of Rhizoctonia solani Isolates from Manitoba Fields. Major Professor: C.C. Bernier Seventy four isolates of R. solani were recovered from diseased seedlings of rapeseed, faba bean, peas, lentils,...

The common bean (P. vulgaris. L) is an important crop in Africa. The seeds are used dry or green for human consumption and leaves are occasionally used as a leaf vegetable. As a legume beans are capable of fixing nitrogen into the soil for subsequent crops.Though important as a food crop and in...

Striga hermonthica (Del.) Beth popularly known as witchweed infests cereal crops particularly maize (Zea mays L.) leading to severe reductions in yields, thereby compounding the food insecurity of thousands of households in sub-Saharan Africa region. In Tanzania, maize is grown on about 2 million...

Sorghum (S. bicolor, L) is a major crop of the hotter and drier regions of the tropics and subtropics grown by resource poor farmers for their subsistence. It can also be cultivated in marginal lands and areas of high rainfall characterized by low pH soils high in aluminium (Al).The overall...

Differences were found in lodging and mechanical strength tests among pearl millets, pearl millet x Napier grass (PMxNG) lines, test crosses and sorghum. In 1987 field lodging ranged from 0 to 98%. Test crosses with PMxNG lines lodged worse on average than the millets or sorghum, but they were...

The study of the inheritance and gene action of weevil resistance in maize was undertaken using a 12 parent half diallel design. Seven resistant inbred lines were obtained from CIMMYT-Zimbabwe and five susceptible lines were obtained from soils and crop Research Branch(SCRB), Zambia. The lines...

This study was conducted to determine the prevalence and incidence of Banana Bunchy Top Disease (BBTD) in major banana growing regions of Zambia. BBTD is caused by Banana Bunchy Top Virus (BBTV) and is considered the most serious disease of banana (musa spp) worldwide. It can cause total crop...

The CTS locus in Arabidopsis thaliana was identified to promote the transition from embryo development to germination. Mutation of this locus results in reduction of germination potential. This is caused by the disruption of the (3-oxidation pathway which is essential in breaking down fatty acids...