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2006•˜The œIndian Journal of Crop Science/˜The œIndian journal of crop scienceRequires access

Evaluation of pigeonpea genotypes for resistance to pod borer complex

Bant Singh Kooner, Harpreet Kaur Cheema

Open publisher page 21 citations

Abstract

Eighty nine genotypes of pigeonpea were screened in the field for four years (2001 to 2004) to isolate sources of resistance to pod borers. On the basis of per cent pod damage and Pest Susceptibility Rating (PSR), entries AL 1498, AL 1502 and AL 1340 were found promising with mean pod damage of 11.21 to 13.71% (PSR 3 – 3.50) as compared to 17.67 to 26.25% (PSR 4.00 to 5.50) on the check varieties (AL15, AL201 and T21) and 28.21% (PSR 6.00) on the Infester. Therefore, genotypes AL 1498, AL 1502 and AL 1340 may be used as resistant donors in the crossing programme to evolve pod borer resistant/tolerant varieties of pigeonpea.

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What this paper is about

Eighty nine genotypes of pigeonpea were screened in the field for four years (2001 to 2004) to isolate sources of resistance to pod borers. On the basis of per cent pod damage and Pest Susceptibility Rating (PSR), entries AL 1498, AL 1502 and AL 1340 were found promising with mean pod damage of 11.21 to 13.71% (PSR 3 – 3.50) as compared to 17.67 to 26.25% (PSR 4.00 to 5.50) on the check varieties (AL15, AL201 and T21) and 28.21% (PSR 6.00) on the Infester. Therefore, genotypes AL 1498, AL 1502 and AL 1340 may be used as resistant donors in the crossing programme to evolve pod borer resistant/tolerant varieties of pigeonpea.

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Available abstract

Eighty nine genotypes of pigeonpea were screened in the field for four years (2001 to 2004) to isolate sources of resistance to pod borers. On the basis of per cent pod damage and Pest Susceptibility Rating (PSR), entries AL 1498, AL 1502 and AL 1340 were found promising with mean pod damage of 11.21 to 13.71% (PSR 3 – 3.50) as compared to 17.67 to 26.25% (PSR 4.00 to 5.50) on the check varieties (AL15, AL201 and T21) and 28.21% (PSR 6.00) on the Infester. Therefore, genotypes AL 1498, AL 1502 and AL 1340 may be used as resistant donors in the crossing programme to evolve pod borer resistant/tolerant varieties of pigeonpea.

Key concepts: Point of delivery, Veterinary medicine, PEST analysis, Biology, Genotype, Resistance (ecology), Horticulture, Forensic science

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