STUDIES ON SURVIVAL AND DISPERSAL OF PIGEONPEA PHYTOPHTHORA
96
Authors
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V. S. BISHT* AND Y. L. NENE
Legumes Program, International Crops Research Institute for the Semi-Arid Tropics, (ICRISAT), Patancheru 502 324
Keywords:
Pigeonpea (Cajanus cajan), Phytophthora drechs/eri f.sp. cajani, Seed transmission, Leaf-baiting, Selective mediumAbstract
Leaf-baiting and a new selective medium were used to determine that Phytophthora drechsleri f.sp. cajani (Pdc) survives for at least one year in infected plant debris in the field. There was no evidence of seed transmission. Splashing rain and wind contributed to short distance dispersal of Pdc while water flowing from a Pb-infested field carried inoculum to other fields.
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