Antixenosis and antibiosis mechanisms of resistance to pod borer, Helicoverpa armigera in wild relatives of chickpea, Cicer arietinum

Golla, S K and Rajasekhar, P and Sharma, S P and Hari Prasad, K V and Sharma, H C (2018) Antixenosis and antibiosis mechanisms of resistance to pod borer, Helicoverpa armigera in wild relatives of chickpea, Cicer arietinum. Euphytica (TSI), 214 (88). pp. 1-16. ISSN 0014-2336

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The noctuid pod borer, Helicoverpa armigera is one of the most damaging pests of chickpea, Cicer arietinum. The levels of resistance to H. armigera in the cultivated chickpea are low to moderate, but the wild relatives of chickpea have exhibited high levels of resistance to this pest. To develop insect-resistant cultivars with durable resistance, it is important to understand the contribution of different components of resistance, and therefore, we studied antixenosis and antibiosis mechanisms of resistance to H. armigera in a diverse array of wild relatives of chickpea. The genotypes IG 70012, PI 599046, IG 70022, PI 599066, IG 70006, IG 70018 (C. bijugum), ICC 506EB, ICCL 86111 (cultivated chickpea), IG 72933, IG 72953 (C. reticulatum), IG 69979 (C. cuneatum) and IG 599076 (C. chrossanicum) exhibited non preference for oviposition by the females of H. armigera under multi-choice, dual-choice and no-choice cage conditions. Based on detached leaf assay, the genotypes IG 70012, IG 70022, IG 70018, IG 70006, PI 599046, PI 599066 (C. bijugum), IG 69979 (C. cuneatum), PI 568217, PI 599077 (C. judaicum) and ICCW 17148 (C. microphyllum) suffered significantly lower leaf damage, and lower larval weights indicating high levels of antibiosis than on the cultivated chickpea. Glandular and non-glandular trichomes showed negative correlation with oviposition, while the glandular trichomes showed a significant and negative correlation with leaf damage rating. Density of non-glandular trichomes was negatively correlated with larval survival. High performance liquid chromatography (HPLC) fingerprints of leaf surface exudates showed a negative correlation of oxalic acid with oviposition, but positive correlation with malic acid. Both oxalic acid and malic acid showed a significant negative correlation with larval survival. The wild relatives exhibiting low preference for oviposition and high levels of antibiosis can be used as sources of resistance to increase the levels and diversify the basis of resistance to H. armigera in cultivated chickpea.

Item Type: Article
Divisions: Research Program : Asia
Uncontrolled Keywords: Chickpea, Wild relatives, Helicoverpa armigera, Antixenosis Antibiosis
Subjects: Others > Biotic Stress
Others > Pest Management
Others > Helicoverpa
Mandate crops > Chickpea
Others > Entomology
Others > Plant Disease
Depositing User: Mr Ramesh K
Date Deposited: 15 May 2018 03:46
Last Modified: 15 May 2018 05:07
Official URL:
Acknowledgement: We thank the entomology staff at ICRISAT, Patancheru, for their support in carrying out these experiments. The financial support provided by Department of Science and Technology (DST), New Delhi, India, under INSPIRE Fellowship scheme to Mr. Siva Kumar is gratefully acknowledged.
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