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Vol. 11, Issue 12 (2022)

Seasonal incidence of pink bollworm, Pectinophora gossypiella (Saunders) in cotton

Author(s):
Priya Seram, NK Bhute and CS Patil
Abstract:
The field experiment was carried out during kharif-2021 at AICCIP, MPKV, Rahuri, Maharashtra. The contemporary research unveiled that peak moth activity was observed during 49th standard meteorological week (318 moths / week). Later on, the trap catches declined gradually. The rosette flowers were ranged between 2.00 to 48.00. While the incidence in green bolls was noticed from 38th SMW and rose gradually and reached its peak during 52nd SMW. The larval incidence ranged from 1.20 to 37.60 larvae/ 20 bolls and the green boll damage ranged from 3.10 to 88.70 per cent. Moreover, open boll damage ranged from 43.68 to 58.74 per cent with a mean of 49.97 per cent during the cropping season. Furthermore, locule damage ranged from 27.12 to 36.82 per cent with a mean of 31.76 per cent. The trap catches had a negative and non-significant relationship with rainfall and a negative and significant relationship with maximum temperature.
Pages: 4613-4617  |  238 Views  155 Downloads


The Pharma Innovation Journal
How to cite this article:
Priya Seram, NK Bhute, CS Patil. Seasonal incidence of pink bollworm, Pectinophora gossypiella (Saunders) in cotton. Pharma Innovation 2022;11(12):4613-4617.

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