אסיף מאגר המחקר החקלאי

Distribution of the chemotypes of Withania somnifera in some areas of Israel: Feeding studies with Spodoptera littoralis larvae and chemical examination of withanolide content

Year:

1984

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Volume :

12

Co-Authors:

Ascher, K.R.S., Dept. of Toxicology, Agricultural Research Organization, Votoani Center, Bet Dagan, Israel
Eliyahu, M., Dept. of Toxicology, Agricultural Research Organization, Votoani Center, Bet Dagan, Israel
Glotter, E., Dept. of Agricultural Biochemistry, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel
Kirson, I., Dept. of Agricultural Biochemistry, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel
Abraham, A., Dept. of Agricultural Biochemistry, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel

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Abstract:

The geographical distribution of the chemotypes of Withania somnifera Dun. (Solanaceae) in Israel was re-investigated. In the distribution area of chemotype II (major steroidal constituent, withanolide D), plants of chemotype III (major steroidal constituent, withanolide E) were also found. The antifeedant properties for Spodoptera littoralis larvae of leaves of W. somnifera populations belonging to chemotype III are due to the presence of withanolide E and may be used, as a supplement to chemical analysis, to differentiate between chemotype III and other chemotypes of W. somnifera. © 1984, Springer Science + Business Media B.V.. All rights reserved.

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