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Biochemical components of wild relatives of chickpea confer resistance to pod borer, Helicoverpa armigera

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Relation http://oar.icrisat.org/11665/
https://doi.org/10.1007/s11829-020-09768-3
doi:10.1007/s11829-020-09768-3
 
Title Biochemical components of wild relatives of chickpea confer resistance to pod borer, Helicoverpa armigera
 
Creator Golla, S K
Sharma, H C
Rajasekhar, P
Mishra, S P
Jaba, J
 
Subject Pest Management
Chickpea
 
Description Efforts are being made to develop chickpea varieties with resistance to the pod borer, Helicoverpa armigera for reducing
pesticide use and minimizing the extent of losses due to this pest. However, only low to moderate levels of resistance have
been observed in the cultivated chickpea to this polyphagous pest. Hence, it is important to explore wild relatives as resistance
sources to develop insect-resistant cultivars. Therefore, we studied different biochemical components that confer resistance to
H. armigera in a diverse array of wild relatives of chickpea. Accessions belonging to wild relatives of chickpea exhibited high
levels of resistance to H. armigera as compared to cultivated chickpea genotypes in terms of lower larval survival, pupation
and adult emergence, decreased larval and pupal weights, prolonged larval and pupal developmental periods and reduced
fecundity of the H. armigera when reared on artificial diet impregnated with lyophilized leaf powders. Amounts of proteins
and phenols in different accessions of chickpea wild relatives were significantly and negatively correlated with larval weight,
pupation and adult emergence. Phenols showed a negative correlation with pupal weight and fecundity, but positive correlation
with pupal period. Total soluble sugars showed a negative correlation with larval period, but positive correlation with
pupation and pupal weight, while tannins showed a positive correlation with larval weight, pupation and adult emergence.
The flavonoid compounds such as chlorogenic acid, ferulic acid, naringin, 3,4-dihydroxy flavones, quercetin, naringenin,
genistein, biochanin-A and formononetin that were identified through HPLC fingerprints, exhibited negative effects on survival
and development of H. armigera reared on artificial diet impregnated with lyophilized leaf powders. The wild relatives
with diverse mechanisms of resistance conferred by different biochemical components can be used as sources of resistance
in chickpea breeding programs to develop cultivars with durable resistance to H. armigera for sustainable crop production.
 
Publisher Springer
 
Date 2020-04
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11665/1/Arthod%20Plant%20Interaction.pdf
Golla, S K and Sharma, H C and Rajasekhar, P and Mishra, S P and Jaba, J (2020) Biochemical components of wild relatives of chickpea confer resistance to pod borer, Helicoverpa armigera. Arthropod-Plant Interactions (TSI), 14 (5). pp. 623-639. ISSN 1872-8855