Perennial Wild Relatives of Chickpea as Potential Sources of Resistance to Helicoverpa armigera

Sharma, H C and Bhagwat, M P and Pampapathy, G and Sharma, J P and Ridsdill-Smith, T J (2006) Perennial Wild Relatives of Chickpea as Potential Sources of Resistance to Helicoverpa armigera. Genetic Resources and Crop Evolution, 53 (1). pp. 131-138.

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The legume pod borer, Helicoverpa armigera (Hübn.), is one of the major constraints to chickpea production, and host plant resistance is an important component for the management of this pest. The levels of resistance in the cultivated chickpea are low to moderate, and therefore, we evaluated 17 accessions of perennial Cicer along with three cultivated chickpea genotypes for resistance to H. armigera. There was a significant reduction in both leaf feeding and larval weights when the larvae were fed on the leaves of Cicer microphyllum Benth. accessions ICC 17146, ICC 17236, ICC 17240, and ICC 17248. Relative resistance index based on leaf feeding, larval survival, and larval weight indicated that C. microphyllum accessions ICC 17146, ICC 17236, ICC 17234, ICC 17240, ICC 17243, and ICC 17248 were highly resistant to H. armigera. Under natural infestation, accessions belonging to C. microphyllum, C. canariense Santos Guerra et Lewis, and C. macracanthum M. Pop suffered a damage rating of <2.0 compared to 4.0 in C. judaicum Boiss. accession ICC 17148 (annual species) and 8.5–9.0 in the cultivated chickpeas (1 = <10% leaf area damaged, and, 9 = >80% leaf area damaged). There was considerable diversity in the accessions belonging to perennial wild species of chickpea, and these can be exploited to increase the levels and diversify the basis of resistance to H. armigera in the cultivated chickpea

Item Type: Article
Uncontrolled Keywords: Cicer spp. Perennial wild relatives of chickpea, Helicoverpa armigera, Host plant resistance, Pod borer
Subjects: Mandate crops > Chickpea
Depositing User: Ms K Syamalamba
Date Deposited: 24 Aug 2011 06:12
Last Modified: 24 Aug 2011 06:12
Official URL:
Acknowledgement: We thank the staff of entomology for help in the experiments, Dr H.D. Upadhayaya for providing the seeds of the perennial species from the ICRISAT genebank, and Dr P.M. Gaur for reviewing the manuscript. Mr Khoob Ram assisted with managing the crop at Manali, Dr J.R. Thakur, Regional Research Station Bajaura cooperated in undertaking these studies, and the scientists at the Regional Research Station, Kukumseri helped in finding the wild relatives of chickpea in their natural habitat. We also thank the Grains Research and Development Corporation (GRDC), Australia, for funding this research
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