Narayanamma, V L and Sharma, H C and Gowda, C L L and Sriramulu, M (2007) Mechanisms of resistance to Helicoverpa armigera and introgression of resistance genes into F1 hybrids in chickpea. Arthropod - Plant Interactions, 1 (4). pp. 263-270.
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Abstract
The noctuid pod borer, Helicoverpa armigera is a major pest of chickpea, and host plant resistance is an important component for managing this pest. We evaluated a set of diverse chickpea genotypes with different levels of resistance to H. armigera, and their F1 hybrids for oviposition non-preference, antibiosis, and tolerance components of resistance under uniform insect infestation under greenhouse/laboratory conditions. The genotypes ICC 12476, ICC 12477, ICC 12478, ICC 12479, and ICC 506EB were non-preferred for oviposition under no-choice, dual-choice, and multi-choice conditions, and also suffered lower leaf damage in no-choice tests as compared to the susceptible check, ICCC 37. Antibiosis expressed in terms of low larval weights was observed in insects reared on ICC 12476, ICC 12478, and ICC 506EB. Weight gain by the third-instars was also low on ICC 12476, ICC 12477, ICC 12478, ICC 12479, and ICC 506EB at the podding stage. Non-preference for oviposition and antibiosis (poor larval growth) were also expressed in hybrids based on ICC 12477, ICC 12476, ICC 12478, ICC 12479, and ICC 506EB as compared to the hybrids based on the susceptible check, ICCC 37, indicating that oviposition non-preference and antibiosis in the F1 hybrids is influenced by the parent genotype. Loss in grain yield was lower in ICC 12477, ICC 12478, ICC 12479, and ICC 506EB compared to that on ICCC 37. The genotypes ICC 12477, ICC 12478, ICC 12479, and ICC 506EB showing antixenosis, antibiosis, and tolerance mechanism of resistance to H. armigera can be used for developing chickpea cultivars for resistance to this pest.
| Item Type: | Article |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Mandate crops > Chickpea |
| Depositing User: | Library ICRISAT |
| Date Deposited: | 02 Sep 2011 18:39 |
| Last Modified: | 02 Sep 2011 18:39 |
| URI: | http://oar.icrisat.org/id/eprint/831 |
| Official URL: | http://dx.doi.org/10.1007/s11829-007-9025-0 |
| Projects: | UNSPECIFIED |
| Funders: | UNSPECIFIED |
| Acknowledgement: | The authors are grateful to the staff of entomology and chickpea breeding for their help in these studies, and to Dr M. K. Dhillon and Ch. Siva Kumar for reviewing the manuscript. |
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