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Agricultural Science Digest, volume 20 issue 3 (september 2000) : 193-194

EFFECT OF PLANT EXTRACT IN THE CONTROL OF POWDERY MILDEW OF BLACKGRAM (ERYS/PHE POLYGON/DC)

c. Rettinassababady, N. Ramadoss·, S. Thirwneni
1Pandit Jawaharlal Nehru College of Agriculture & Research Institute Serumavilangal-609 603, V.T. of Pondicherry, India

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Cite article:- Rettinassababady c., Ramadoss· N., Thirwneni S. (2024). EFFECT OF PLANT EXTRACT IN THE CONTROL OF POWDERY MILDEW OF BLACKGRAM (ERYS/PHE POLYGON/DC). Agricultural Science Digest. 20(3): 193-194. doi: .

ABSTRACT

Three neem extracts (Neem seed kernal extract, Neem Oil, Neem cake extract), leaf extracts
of Prosophis (Prosophis juliIJora), Ipomea (Ipomea cornea) and fungicides Mancozeb and
Carbendazim were effective against Erysiphe polygoni. DC, the pathogen causing powdery
mildew of blackgram. Among the plant ~tracts tested neem seed kernel extract (5 per cent) was
found to be superior in containing the powdery mildew disease and increasing the grain yield of
blackgram under pot culture experiment

KEYWORDS

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