The aphid, Aphis, craccivora Koch a serious pest of groundnut especially in those areas where rainfall is defici-ent. The studies were carried out at Punjab Agricultural University on the comparative resistance of different va-rieties to this pest. There were 19. varieties of spreading, 10 of semi-sprea-ding and 14 of bunch group. The plot size was three rows of 5 meter length and one blank row was left between the two plots. The row to row and plant to plant spacing was 30 cm and there were 3 replications The population of the aphids was counted from 10 randomly selected plants in each plot in the second fortnight of July.
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Tamil Nadu Agricultural University
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003
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