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Article Number - 700C3B141442


Vol.4(8), pp. 101-1053 , November 2013
DOI: 10.5897/JCO12.022
ISSN: 2141-6591



Full Length Research Paper

Assessment of genetic divergence in Rapeseeds Brassica napus L. and Brassica campestris L. crops for exploitation of host plant tolerance to Aphid Myzus persicae (Sulzer)



Muhammad Sarwar
  • Muhammad Sarwar
  • Pakistan Atomic Energy Commission, Nuclear Institute of Agriculture, Tando Jam-70060, Sindh, Pakistan.
  • Google Scholar







 Accepted: 11 September 2013  Published: 30 November 2013

Copyright © 2013 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


The impacts of the aphid infestation on yield of Rapeseeds, Brassica napus L. and Brassica campestris L., genotypes were studied in an experiment carried out in natural conditions. The attack of aphid on crop and its effects on seed weight were determined using a random plants sampling and by analysis of grain yield. On the basis of pest damage, no genotypes were totally free from aphid Myzus persicae (Sulzer) invasion. Distinct genotypes differing in pest tolerance and grain yield were identified from the experiment. The parameters used quantified that genotypes viz., MM-IV/03-5, MM-III/03-4 and NIFA-Raya were the least infested, presented the highest seed weight and showed more resistance to pest. The Abasin-95, 04k 8/13-2 and NH-975/2-4 genotypes showed more susceptibility to pest and were superfluous infested and produced less grain. Present findings revealed that the resistant genotypes can be utilized in breeding programs for development of Brassica varieties having reasonable aphid tolerance at growing stage to receive maximum seed yield.

 

Key words: Rapeseed, Brassica napus, Brassica campestris, aphids, resistance.

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APA (2013). Assessment of genetic divergence in Rapeseeds Brassica napus L. and Brassica campestris L. crops for exploitation of host plant tolerance to Aphid Myzus persicae (Sulzer). Journal of Cereals and Oilseeds, 4(8), 101-1053.
Chicago Muhammad Sarwar. "Assessment of genetic divergence in Rapeseeds Brassica napus L. and Brassica campestris L. crops for exploitation of host plant tolerance to Aphid Myzus persicae (Sulzer)." Journal of Cereals and Oilseeds 4, no. 8 (2013): 101-1053.
MLA Muhammad Sarwar. "Assessment of genetic divergence in Rapeseeds Brassica napus L. and Brassica campestris L. crops for exploitation of host plant tolerance to Aphid Myzus persicae (Sulzer)." Journal of Cereals and Oilseeds 4.8 (2013): 101-1053.
   
DOI 10.5897/JCO12.022
URL http://academicjournals.org/journal/JCO/article-abstract/700C3B141442

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