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Survival and perpetuation of Alternaria brassicae causing Alternaria blight of oilseed crucifers |
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| Authors: | Nisar A. Ansari M. Wajid Khan A. Muheet |
| Affiliation: | (1) Section of Economic Botanist (Oilseed), CSA University of Agriculture & Technology, 208002 Kanpur, India;(2) Plant Pathology and Plant Nematology Laboratories, Department of Botany, Aligarh Muslim University, 202002 Aligarh, India |
| Abstract: | Modes of survival and perpetuation of Alternaria brassicae attacking rapeseed and mustard were examined. The pathogen remained viable in diseased plant debris and seeds of infected plants which served as primary sources of inoculum. The pathogen was internally seed-borne and infected seeds resulted in damping-off of seedlings. Air-borne conidia produced on aerial parts of the infected plants were responsible for secondary spread of the disease. |
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