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The resistance of 9 bean cv. to isolates of Thanatephorus cucumeris collected from either leaves (Th-5) or roots (Rs-8) of infected plants was tested under controlled conditions in growth chambers (22-25 degrees Celsius, 80-100 percent RH and 12 h artificial light). Adequate concn. of inoculum of...
Etiology of "amachamiento" "(sterility") in Phaseolus vulgaris in Costa Rica. In the last decade the problem known as "amachamiento" ("sterility") has been increasing in the main bean production regions of Costa Rica. This problem consists of a reduction of 24% - 50% in the production of affected...
A survey of BCMV in 6 municipalities of western Antioquia, Colombia, confirmed an epidemic in this region. However, planting with virus-free seed and the eradication of BCMV-infected plants during the first 30-40 days after planting were not effective in controlling the disease. Three BCMV-resist...
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