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Assessment of Antixenosis Potential against Myzus Persicae (Sulzer) Homoptera: Aphididae in Potato

Assessment of Antixenosis Potential against Myzus Persicae (Sulzer) Homoptera: Aphididae in Potato

Zafrullah Khan* and Shah Alam Khan 

Department of Plant Protection, Faulty of Crop Protection Sciences, The University of Agriculture, Peshawar, Khyber Pakhtunkhwa, Pakistan.  


Potato (Solanum tuberosum L.) is an important vegetable food crop in Pakistan. Myzus persicae is an insect pest of potato, feeding on phloem tissues of leaves of potato plant and significantly reduces the yield of potato. Antixenosis experiments were performed to assess the resistance potential of eight different potato cultivars against M. persicae under glasshouse conditions for three different durations of time (12, 24 and 48 hours) during spring and autumn potato growing seasons of 2016. Both the experiments were conducted using a completely randomized design. Each experiment having eight treatments and each treatment was replicated 10 times. The replicated pots containing each of the eight potato cultivars were infested with 100 and 200 adult of M. persicae. Significant antixenosis effects among the tested potato cultivars were observed while the different durations of M. persicae infestation on potato cultivars also displayed significant antixenosis effects against M. persicae during the spring and autumn experiments in 2016. During both experiments, Sarpo Mira displayed the lowest number of adults per plant on release of 100 and 200 adults per plant. Sarpo Mira showed M. persicae infestation of 3.3 and 2.4 per plant per pot on release of 100 adults per plant during spring and autumn seasons, respectively while an infestation of 5.3 per plant 4.7 per plant on Sarpo Mira was observed on release of 200 adults of M. persicae during spring and autumn seasons, respectively. FD-70 had the highest number of M. persicae (13.7 per plant) in the pots released with 100 M. persicae during spring season while Asterix showed the highest number of M. persicae (13.8 per plant) in pots infested with 200 M. persicae during autumn season. Sarpo Mira also appeared to be the most resistant potato cultivar against M. persicae at 12, 24 and 48 hours post infestation of M. persicae. Overall, this study revealed the resistant potential of potato cultivar Sarpo Mira against M. persicae. 

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Sarhad Journal of Agriculture


Sarhad Journal of Agriculture, Vol.40, Iss. 1, Pages 01-262


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