Environmental Impact of Bollworms Infestation on Cotton, Gossypium hirsutum
Environmental Impact of Bollworms Infestation on Cotton, Gossypium hirsutum
Mujahid Niaz Akhtar* and Amjad Farooq
ABSTRACT
The present research work was conducted to evaluate the environmental changes on cotton bollworms like Pink Bollworm (PBW), Spotted Bollworm (SBW) and American bollworms (ABW) present in Multan (Southern Punjab), Pakistan. The experimental data was collected from spring 2014 to fall 2016. Eggs and adults count of these bollworms were counted throughout the cropping season. Statistix (Version 8.1) were used to analyzed the data statistically. The mean values were compared at the significance level of 5%. Bollworms (PBW, SBW, and ABW) population was lowest in April and May whereas the highest values were observed in September and October. Correlation between abiotic factor and bollworms infestation depicted non-significant negative correlation with rainfall and evening relative humidity while negative significant with minimum temperature. Linear regression equation is used to predict bollworm population to minimize economic losses.
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December 2019
Vol. 51, Iss. 6, Pages 1999-2399
