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EVALUATION OF RECOMMENDED WHEAT VARIETIES FOR RESISTANCE AGAINST SCHIZAPHIS GRAMINUM (RONDANI) (APHIDIDAE: HOMOPTERA) UNDER LABORATORY CONDITIONS

 Naheed Akhtar*, Awais Iqbal**, Habib Iqbal Javed*, Javed Khan*, Muhammad Riaz*, Waseem Ahmad Gillani*, Tariq Mahmood*, Awais Rasool* and Tahira Yasmin*

 * Insect Pest Management Program, National Agricultural Research Centre, Islamabad, Pakistan. ** Islamia University of Bahawalpur, Pakistan. Corresponding author: naheed akhtar 2010@yahoo.com

ABSTRACT

  Fifty recommended wheat varieties were evaluated for seedling bulk test and three components of resistance i.e., antixenosis, antibiosis and tolerance against greenbug, Schizaphis graminum (Rondani). NARC-09, Momal-2002, TD-1 and Zarlasta-99 were found resistant in seedling bulk test. Momal-2002 was the least preferred in antixenosis mechanism of resistance NARC-2009, Momal-2002 and Sulaman-96 were the least fecund in antibiosis mechanism of resistance and TD-1, NARC-2009 and Sussui were highly tolerant in tolerance mechanism of resistance. Out of 50 varieties under trial three varieties namely NARC-09, Momal-2002 and TD-1 were recommended as resistant varieties against S. graminum for higher yield and least pest pressure.

 

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Pakistan Journal of Agricultural Research

March

Vol. 34, Iss. 1, Pages 1-253

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