Incidence of sucking pests in cotton based intercropping system was studied in crop combinations of cotton + greengram, cotton + blackgram, cotton + cowpea, cotton + sunflower and cotton + lablab raised in paired rows and were compared with sole crops of cotton, blackgram, greengram, cowpea, lablab and sunflower: The population of leafhopper was significantly less in cotton when intercropped with sunflower, greengram and blackgram. Contrary to this, aphid infestation was less in pure crops of greengiam, blackgram and sunflower compared to crop combi- nations. Among the crop combinations tested, cotton + greengram recorded the highest gross income.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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