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Vol. 10, Special Issue 7 (2021)

Seasonal incidence of cotton aphid, Aphis gossypii glover on different cotton cultivars in central Uttar Pradesh

Author(s):
Sohrab, Ram Singh, DR Singh and YP Malik
Abstract:
Study of seasonal incidence of cotton aphid on different five cotton cultivars, the initial incidence of aphid was observed in June month of 2018 and 2019. During the investigation period of 2018, lowest mean incidence’s aphid of five cultivars (1.02 aphids/leaf) was recorded in June while during 2019 lowest mean incidence’s aphid of five cultivars (0.90 aphids/leaf) was observed in December whereas highest mean incidence’s aphid of five cultivars (26.83 and (25.67 aphids/leaf) were observed during October for the years of 2018 and 2019, respectively two consecutive years. Lowest mean incidence of aphid (9.28 and 8.01 aphids/leaf were recorded on cultivar CA-105 whereas maximum mean incidence of aphid (14.08 and 14.06 aphids/ leaf) were observed on cultivars RS-810 and F-1378 during 2018 and 2019 respectively on American cotton cultivars. However mean population density of aphid (4.45 and 4.94 aphids/leaf) was observed on conventional cotton cultivar CAD-3 which was lowest incidence of aphid had been observed in comparison of American Cotton cultivars in both years.
Pages: 274-279  |  330 Views  104 Downloads
How to cite this article:
Sohrab, Ram Singh, DR Singh and YP Malik. Seasonal incidence of cotton aphid, Aphis gossypii glover on different cotton cultivars in central Uttar Pradesh. The Pharma Innovation Journal. 2021; 10(7S): 274-279.
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