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Screening of Selected Canola Genotypes against Mustard Aphid (Lipaphis erysimi (K.) Hemiptera: Aphididae) through Antixenosis and Antibiosis Assays

Screening of Selected Canola Genotypes against Mustard Aphid (Lipaphis erysimi (K.) Hemiptera: Aphididae) through Antixenosis and Antibiosis Assays

Noor Muhammad* and Shah Alam Khan

Department of Plant Protection, The University of Agriculture, Peshawar, Pakistan

 
* Corresponding author: nmuhammad1084@aup.edu.pk

ABSTRACT

The study on categories of resistance in selected canola genotypes against mustard aphid (Lipaphis erysimi) was conducted under glasshouse conditions, The University of Agriculture, Peshawar during growing seasons of 2018-2019. During this study, a total of two different experiments were carried out where, antixenosis experiment, comprised three levels; seedling, flowering and pod stage. In all the three stages, only genotype ‘KS-75’ proved as antixenosis resistant against the aphid compared to susceptible genotype Abaseen. The second experiment was performed to test antibiosis resistance against L. erysimi among the selected genotypes. During the antibiosis experiment different life table parameters of aphids; developmental period, reproductive period, longevity and fecundity were studied. Based on the calculations, only ‘KS-75’ proved antibiosis resistant against L. erysimi among the selected genotypes. Thus, during our current studies, genotype KS-75 proved antixenosis and antibiosis characteristics based on less number of aphids attracted/sustained and low number of progenies produced as compared to the tested genotypes Abaseen, Omega and Zahoor showed strong vigor against mustard aphid and symptoms of attack/damages were observed.

 

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Pakistan Journal of Zoology

October

Vol. 54, Iss. 5, Pages 2003-2500

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