Chemical basis of resistance in soya bean to cabbage looper,  Trichoplusia ni | Zendy

Sharma H C | Zendy; Norris Dale M | Zendy

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Chemical basis of resistance in soya bean to cabbage looper, Trichoplusia ni

Author(s) -

Sharma H C,

Norris Dale M

Publication year - 1991

Publication title -

journal of the science of food and agriculture

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.782

H-Index - 142

eISSN - 1097-0010

pISSN - 0022-5142

DOI - 10.1002/jsfa.2740550304

Subject(s) - trichoplusia , cabbage looper , daidzein , coumestrol , flavonoid , glycine , chemistry , botany , biology , food science , larva , genistein , noctuidae , biochemistry , amino acid , antioxidant , endocrinology

Thin layer chromatography resolved nine major compounds from the 60%‐methanol extractables from PI 227687 soya bean ( Glycine max (L) Merrill) leaves. The flavonoids, daidzein, an unidentified flavonoid X2 (R f 0·19), glyceollins, sojagol and coumestrol exhibited antifeedant and/or antibiotic effects against the larvae of cabbage looper, Trichoplusia ni Hb. The results indicate that several compounds in PI 227687 soya beans contribute to its antifeedant and/or antibiotic effects against T ni . The role of these compounds in plant resistance to insects is discussed.

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