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Environmental Impact of Bollworms Infestation on Cotton, Gossypium hirsutum

Environmental Impact of Bollworms Infestation on Cotton, Gossypium hirsutum

Mujahid Niaz Akhtar* and Amjad Farooq

Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakaariya University, Multan 

*      Corresponding author: mujahidniaz81@gmail.com

 

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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Pakistan Journal of Zoology

December

Vol. 51, Iss. 6, Pages 1999-2399

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