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Thirty-one improved cultivars and five Nigerian landraces of cassava were assessed at genomic DNA level with 16 SSR primers for genetic diversity study. The minimum number of SSR primers that could readily be used for identification of the 36 cassava genotypes was also determined. For the genetic...
Salt stress in plants triggers complex physiological responses that are genotype specific. Many of these responses are either not yet described or not fully understood or both. In this work, we phenotyped three maize genotypes of the CIMMYT gene bank alongside the reference B73 genotype (NCRPIS –...
Drought substantially limits seed yield of common bean (Phaseolus vulgaris L.) in the tropics. Understanding the interaction of drought on yield and the nutrient concentration of the seed is vital in order to supply nutrition to the millions of consumers who rely on common bean as a staple crop. ...
Sweetpotato, the seventh most important food crop worldwide, is valued for combating hunger, malnutrition, and poverty because of its hardy nature, wide adaptability, and tolerance to abiotic stresses. Cultivated sweetpotato is hexaploid (2n = 6x = 90) and due to the complexity of its genome, it ...
The distribution of the cyanogenic potential in cassava germplasm has been found to be a continuum from very low values to high levels. Within the same genotype, the cyanogenic potential is affected by the planting season; it is low when planted at the beginning of the rainy season, and high when...
This thesis is based on multi-locational field trials conducted in Madagascar and the greenhouse trials carried out in the University of Hohenheim, Germany in the Crop Water Stress Management Section of the Department of Plant Production and Agroecology in the Tropics and Subtropics. The thesis i...
The wide pathogenic variability occurring in Phaeoisariopsis griseola, the causal agent of angular leaf spot of common bean (Phaseolus vulgaris L.), dictates that new sources of resistance be continuously identified. This study was undertaken to determine the reaction of selected bean genotypes t...
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