Author(s):

KE Shewale, PS Kolhe and CK Sonwane

Abstract: In a field trial influence of crop biodiversity on population dynamics of Aphis craccivora (Koch) in pigeonpea was studied with four treatments i.e. Pigeonpea + Maize (M) as border crop, Pigeonpea + Sorghum fodder (SF) as border crop, Pigeonpea sole unprotected (PP - UP) and Pigeonpea sole protected (PP - P). The mean minimum population of Aphis craccivora (Koch) was found in Pigeonpea + Sorghum fodder (SF) as border crop (1.88) while maximum in Pigeonpea sole unprotected (PP - UP) (2.94). Correlation between various abiotic factors and aphid population in leaf were found to be non significant.

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