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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 7, Special Issue 2 (2018)

To screen out less preferred genotypes of chickpea against pulse beetle on the basis of orientation and Oviposition

Author(s):

Dheerendra Mahor and VK Shrivastava

Abstract:
Studies on the influence of chickpea genotypes on orientational and ovipositional preference of pulse beetle, <em>Callosbruchus maculatus </em>(Fab.) were conducted under laboratory condition in the Department of Entomology, College of Agriculture, Gwalior (M.P.) during 2013–14. The adult orientation on different genotypes ranged from 5.0 to 9.0 adults with significant differences among them. Minimum adult orientation recorded on genotypes JGG-1 showed less susceptibility for orientation of the pulse beetle, followed by JG-16, JG-317, JKG-3 and JG-92-1. On the other hand genotypes JG-130 and JSC-43 were found most preferred for orientation of the beetle. The egg deposition (oviposition) on different genotypes under free choice condition ranged from 12.0 to 20.0 eggs with significant differences among different genotypes. Minimum egg deposition on genotypes JG-16 and JGG-1 indicated that these genotypes were less preferred by the beetle for egg deposition, followed by JG-317, JKG-3 and JG-92-1. Whereas, maximum egg deposition (oviposition) on genotypes JG-130 and JSC-43 indicated their higher preferency for egg deposition by the pulse beetle. The egg deposition on all the genotypes under free choice condition was observed in correspondence to the orientation of the beetle on different genotypes. The number of eggs deposited on different genotypes under forced condition ranged from 44.0 to 114.3 eggs with significant differences among them. Minimum egg deposition on genotype JKG-3 indicated less suitability for oviposition by the beetle. The egg deposition on genotypes JG-16, JG-317 and JG-92-1 under free choice condition was less, whereas deposition of eggs in these genotypes under forced conditions were comparatively higher. The less deposition in these genotypes under free choice condition may be due to their less preferency for orientation by the beetle. The number of adults oriented on the genotypes of different seed size was ranged 6.4 to 7.7 adults with no significant differences between them.

Pages: 13-15  |  1794 Views  280 Downloads

How to cite this article:
Dheerendra Mahor and VK Shrivastava. To screen out less preferred genotypes of chickpea against pulse beetle on the basis of orientation and Oviposition. J Pharmacogn Phytochem 2018;7(2S):13-15.

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