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Tolerance as Mechanism of Resistance to Helicoverpa armigera (Hub.) in Chickpea (Cicer arietinum Linn.)

OAR@ICRISAT

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Relation http://oar.icrisat.org/10841/
 
Title Tolerance as Mechanism of Resistance to Helicoverpa armigera (Hub.) in Chickpea (Cicer arietinum Linn.)
 
Creator Sreelatha, E
Sharma, H C
Gowda, C L L
 
Subject Crop Improvement
Helicoverpa
Chickpea
 
Description To study the tolerance component of resistance in
chickpea to pod borer, H. armigera, field experiment
was conducted at ICRISAT, Patancheru. The loss in
yield of 18 chickpea genotypes (ICC 12475, ICC 12476,
ICC 12477, ICC 12478, ICC 12479, ICC 12490,
ICC 14876, ICC 4918, ICC 12426, ICC 3137,ICC12491,
ICC 12492, ICC 12493, ICC 12494, ICC 12495, ICC
12968, ICC 4973 and ICC 4962) was studied by comparing
the grain yield under protected and unprotected crops.
Under protected conditions except ICC 12494 and ICC
3137 all the genotypes were on par with the resistant check
ICC 12475 for pod borer damage. Under unprotected
conditions ICC 12479 (12.3%) and ICC 12493 (11.6%)
were on par with the resistant check, ICC 12475. This
study indicated presence of tolerance mechanism in
chickpea to H. armigera damage. Reduction in grain yield
was lowest in ICC 12475 followed by ICC 4918, ICC 12490,
ICC 12493 and ICC 12476 indicating tolerance to pod
borer damage. CC 12477 and ICC 12968 were highly
tolerant as there was an increase in yield under infected
conditions.The lines showing high and stable resistance
to H. armigera can be used in chickpea improvement
programs.
 
Date 2018
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/10841/1/Tolerance%20as%20Mechanism%20of%20Resistance%20to%20Helicoverpa%20armigera.pdf
Sreelatha, E and Sharma, H C and Gowda, C L L (2018) Tolerance as Mechanism of Resistance to Helicoverpa armigera (Hub.) in Chickpea (Cicer arietinum Linn.). Trends in Biosciences, 11 (2). pp. 144-148.