January 2015
Diallel analysis on variation of Verticillium wilt resistance in upland cotton grown in Zimbabwe
Verticillium wilt disease causes significant losses to cotton yield and varietal development for resistance is critical in combating this threat. A study was carried out to determine the underlying genetic pattern controlling disease resistance and identify suitable parental lines to use in varietal tolerance development. Five cotton varieties were crossed in a half diallel mating system to produce ten crosses and five...
January 2015
Eucalyptus grandis and Tagetes minuta leaf powders effectively protect stored maize against Sitophilus zeamais without affecting grain organoleptic properties
Use of plant compounds in grain protection has shown great potential as an alternative to synthetic insecticides in Sub-Saharan Africa. This study investigated the efficacy of Eucalyptus grandis and Tagetes minuta ground leaf powders as grain protectants against Sitophilus zeamais in stored maize. Effect of leaf powders were evaluated on percent germination, percent weight loss of grain, insect infestation, grain colour...
January 2015
Moisture dependent physical properties of nigella seeds
A study on the nigella seeds (Ajmer Nigella-1) was performed to investigate the effect of seeds moisture content on their physical properties as these are very important to design post harvest equipments. The physical properties of the nigella were evaluated as a function of moisture contents in the range of 5.2 to 25.1% dry basis (d.b.). Seed geometric parameters such as average length, width, thickness, geometric mean...
January 2015
Determination of compatibility of Pseudomonas fluorescens and Trichoderma harizianum grown on deoiled cakes of neem and jatropha for mass multiplication of P. fluorescens and T. harizianum in vitro
Tomato plants grown in sterilized soil applied with Pseudomonas fluorescens grown on Jatropha cake resulted in highest recovery of P. flourescens from soil. Combined application of two bio-agents in the rhizosphere of tomato in sterilized soil resulted in comparatively lower recovery of P. fluorescens and Trichoderma harzianum but was found better for root growth, shoot growth and fruit yield enhancement than their...
January 2015
Effect of temperature and photoperiod on the development of fusariosis in pineapples
We examined the incidence of fusariosis in Montes Claros–MG and determined the effect of temperature and photoperiod on the development of Fusarium guttiforme. Four family production units were investigated, from which four isolates of F. guttiforme were isolated. For each isolate, two experiments were set up to assess mycelial growth for 144 h in environments with different temperatures and either a 12 h...
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