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Screening of Short Duration Pigeonpea [Cajanus cajan (L.) Millsp.] Genotypes against Major Insect Pests

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Relation http://oar.icrisat.org/9923/
http://dx.doi.org/10.22207/JPAM.10.4.71
10.22207/JPAM.10.4.71
 
Title Screening of Short Duration Pigeonpea [Cajanus cajan (L.) Millsp.] Genotypes against Major Insect Pests
 
Creator Chakravarty, S
Bera, T
Agnihotri, M
Jaba, J
 
Subject Pigeonpea
Entomology
 
Description Ten promising short duration genotypes of pigeonpea were screened under field
conditions for two years (2013-15) to identify sources of resistance against pod borers. On
the basis of per cent pod damage and Pest Susceptibility Rating (PSR) index, genotypes
PUSA-2012-1, PA 409, PA 406, AL1747 were found to be least susceptible (PSR= 4 to 5)
while two genotypes, AL 1790 and AL 1770 were ascertained highly susceptible against
pod borers having damage rating of 8 over the susceptible check cultivar (Manak). Phenol
and flavonoid content present in the pod wall of all the test genotypes/cultivars were also
estimated. Highest phenol and flavonoid content was recorded from PUSA-2012-1 while
the lowest content was obtained from the genotype AL 1790. Correlation studies made
with these biochemical constituents revealed a significant and negative association of
pod damage (%) with phenol (r = -0.896**) and flavonoid (r = -0.872**) content in pod
walls. Thus the genotypes having higher content of phenols and flavonoids in their pod
walls offered resistance against pod borer complex.
 
Publisher Journal of Pure and Applied Microbiology
 
Date 2016-12
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/9923/1/JOURNAL%20OF%20PURE%20AND%20APPLIED%20MICROBIOLOGY.pdf
Chakravarty, S and Bera, T and Agnihotri, M and Jaba, J (2016) Screening of Short Duration Pigeonpea [Cajanus cajan (L.) Millsp.] Genotypes against Major Insect Pests. Journal of Pure and Applied Microbiology, 10 (4). pp. 3009-3016. ISSN 0973-7510