Weather Parameter’s Impact on Population Fluctuation of Insect Pests in Sunflower
Rupam Das *
Department of Entomology, BN College of Agriculture, Assam Agricultural University, Assam-784176, India.
Khanjan Das
Department of Entomology, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh-211007, India.
Malini Goswami
Department of Entomology, BN College of Agriculture, Assam Agricultural University, Assam-784176, India.
Birinchi Kumar Borah
Department of Entomology, BN College of Agriculture, Assam Agricultural University, Assam-784176, India.
*Author to whom correspondence should be addressed.
Abstract
The population trend of insect pest of sunflower was studied at North bank plain zone of river Brahmaputra, Biswanath district in the state of Assam during 2021-2022. The simple correlation study showed bright sunshine hour had a positive and significant correlation with the whitefly population relative humidity had a positive and significant correlation with the Aphis gossypii and Amrasca biguttula biguttula Ishida population; A. gossypii had positive and significant relation with maximum temperature and Spilosoma obliqua had negative and significant relation with relative humidity.
Keywords: Correlation, impact, parameter, population fluctuation, sunflower, significant