Genetic control of common bean (Phaseolus vulgaris) resistance to powdery mildew (Erysiphe polygoni)
نویسندگان
چکیده
منابع مشابه
Characterization of resistance mechanisms to powdery mildew (Erysiphe betae) in beet (Beta vulgaris).
Beet powdery mildew incited by Erysiphe betae is a serious foliar fungal disease of worldwide distribution causing losses of up to 30%. In the present work, we searched for resistance in a germplasm collection of 184 genotypes of Beta vulgaris including fodder (51 genotypes), garden (60 genotypes), leaf (51 genotypes), and sugar (22 genotypes) beet types. Resistant genotypes were identified in ...
متن کاملRNAi-mediated resistance to Bean golden mosaic virus in genetically engineered common bean (Phaseolus vulgaris).
Bean golden mosaic virus (BGMV) is transmitted by the whitefly Bemisia tabaci in a persistent, circulative manner, causing the golden mosaic of common bean (Phaseolus vulgaris L.). The characteristic symptoms are yellow-green mosaic of leaves, stunted growth, or distorted pods. The disease is the largest constraint to bean production in Latin America and causes severe yield losses (40 to 100%)....
متن کاملEffect of Temperature on Expression of Resistance to Meloidogyne spp. In Common Bean (Phaseolus vulgaris).
The effect of soil temperature on the expression of resistance in several common bean lines carrying resistance to root-knot nematodes (Meloidogyne spp.) was studied under controlled temperatures in temperature tank and growth chamber conditions. Resistance to M. javanica and M. incognita race 1 in bean lines A315, A328, A445, G1805, and G2618 was stable at 24-30 C. However, there was a signifi...
متن کاملBackcross breeding for improved resistance to common bacterial blight in pinto bean (Phaseolus vulgaris
Common bacterial blight (CBB) caused by Xanthomonas campestris pv. phaseoli reduces common bean (Phaseolus vulgaris L.) yield and quality worldwide. Genetic resistance provides effective disease control; however, a high level of resistance is difficult to attain and does not exist in pinto bean, the most important dry bean market class in North America. Our objective was to determine if a backc...
متن کاملOn the Origin of the Common Bean (Phaseolus vulgaris L.)
Phylogeographic methods provide the tools to accurately access the geographic origin and diversification of crop species. In the present commentary, I urge the common bean community to face those methods and a tree-thinking mentality with regards to the long standing debate of the origin of common bean. Such efforts will ultimately bring back interest into wild bean studies and reinforce the un...
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ژورنال
عنوان ژورنال: Genetics and Molecular Biology
سال: 1999
ISSN: 1415-4757
DOI: 10.1590/s1415-47571999000200017