Assessment of yield loss and evaluation of Urdbean genotypes against Web blight
2014
Kumar, Santosh | Chand, Gireesh | Tripathi, H.S. | Kumar, Amarandra
Results revealed that with the increased levels of web blight severity, the corresponding yield decreased significantly. Per plant reduction in seed yield varied from 24.2 to 60.4% under resistant (grade 1) to highly susceptible (grade 9) in comparison to healthy control. On an average 35.6% reduction in seed yield were assessed on moderate level of susceptibility (grade 5) over healthy control. Out of 45 genotypes evaluated against web blight. IPU 8-18, KU 99-19, IPU 7-19, VBG 04- 008, OBG 31, IPU 94-1and IPU 05-13 showed highly resistant reaction with disease score 1. The genotypes viz., CU-5, SB 25-19 IVT, NDU 9-15, UH 4-06, Pant U 30, M 1-1, KUG 222, UL 416, UL 417, KKB 20055 and UH 04-65showed moderately resistant reaction with disease score 3.
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