Relative performance of okra (Abelmoschus esculentus L. Monech) verities with the correlation of abiotic factors against Jassid

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Research Paper 01/05/2017
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Relative performance of okra (Abelmoschus esculentus L. Monech) verities with the correlation of abiotic factors against Jassid

Arsalan Ali, Jamshaid Iqbal, Muhammad Faisal Shahzad, Hafeezur Rehman, Tahir Islam, Syed Noor Muhammad Shah, Muhammad Hussnain Babar
Int. J. Biosci.10( 5), 361-366, May 2017.
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The present study was carried out to screen the okra genotypes against Jessid and to determine the role of abiotic factors on the population dynamics of this pest on okra under the agro climatic conditions of D.I. Khan, Pakistan. The results of the study revealed that the peak population of Jassidi. e.,3.31/leaf was observed on July 2, and minimum population was recorded on August 6, with 1.57 Jassid/leaf. The HPSI (Host plant susceptibility indices) showed that genotype Anmol and Climson was found to be susceptible with 14% HPSI, while minimum HPSI i.e., 11% was recorded on okra cultivar Sabzpari, Butter-5 and BP-1. Simple correlation analysis revealed that rainfall had maximum contribution of 24.99% in the population fluctuation of Jassid followed by maximum and minimum temperature which had a non-significant and positive correlation with Jasssid population .The role of maximum temperature was 13.01% while minimum temperature has 6.83% role in the population fluctuation of Jassid.


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