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Rust caused by Uromyces appendiculatus (Pers., Pers.) Unger is one of the major foliar diseases of common bean (Phaseolus vulgaris) in Uganda. The use of host resistance remains the best option in managing this disease. The objective of this study was to identify sources of broad-spectrum rust resistance in common bean germplasm including landraces, commercial cultivars and introduced genotypes using...
Association mapping is a method to identify associations between target traits and genetic markers based on linkage disequilibrium (LD) of a quantitative trait locus. Synthetic hexaploid wheat (SHW) is derived from a cross between Triticum durum Desf. and Aegilops tauschii Coss. that enhances genetic diversity and broadens breeding resources. In this study, phenotypic diversity in 110 wheat accessions...
The development of sweetpotato [Ipomoea batatas (L.) Lam] germplasm with resistance to sweetpotato weevil (SPW) requires an understanding of the biochemical and genetic mechanisms of resistance to optimize crop resistance. The African sweetpotato landrace, ‘New Kawogo’, was reported to be moderately resistant to two species of SPW, Cylas puncticollis and Cylas brunneus. Resistance has been associated...
Mungbean (Vigna radiata) seeds are used for direct consumption by people and are raw material for sprout, starch and noodle industries in Asia. High-yielding mungbean cultivars with high seed starch content are preferred for the starch and noodle industries. At present, there is no report on genetic control of seed starch content in mungbean. The objective of this study were to (i) estimate heritability...
“Qamgur”, a type of turnip (Brassica rapa ssp. rapa), is a special food of the Uyghur people living in Xinjiang, the northwest of China. In the present study, SSR markers developed for various Brassica rapa subspecies were tested for their transferability to turnip and used to analyze genetic diversity in “Qamgur” and other Chinese turnip varieties. A total of 18 “Qamgur” and 12 other varieties were...
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