אסיף מאגר המחקר החקלאי

Response of Tearias Insulana boisd. larvae to neem (Azadirachta Indica a. juss) Kernel extract

Year:

1978

Source of publication :

Authors :

Volume :

6

Co-Authors:

Meisner, J., Div. of Toxicology, ARO, Volcani Center, Bet Dagan, Israel
Kehat, M., Div. of Entomology, ARO, Volcani Center, Bet Dagan, Israel
Zur, M., Div. of Plant Introduction, ARO, Volcani Center, Bet Dagan, Israel
Eizick, C., Div. of Toxicology, ARO, Volcani Center, Bet Dagan, Israel
Meisner, J., Div. of Toxicology, ARO the Volcani Center, Bet Dagan, Israel
Kehat, M., Div. of Entomology, ARO the Volcani Center, Bet Dagan, Israel
Zur, M., Div. of Plant Introduction, ARO the Volcani Center, Bet Dagan, Israel
Eizick, C., Div. of Toxicology, ARO the Volcani Center, Bet Dagan, Israel

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Abstract:

The effect of Neem on the development of Earias insulana Boisd. was investigated. Different concentrations of an aqueous extract of Neem kernels were incorporated in a semi-synthetic diet and larval growth, pupation rate and mortality of larvae were recorded. Neem was highly effective against 7-8- and 12-day-old larvae at all concentrations ranging between 0.075 and 1%. The systemic activity of Neem was investigated by standing cotyledons of a glandless cotton strain with their petioles in different concentrations of Neem. After 72 hours feeding at all concentrations tested, larval weight was about half that on the untreated leaves. © 1978, Springer Science + Business Media B.V.. All rights reserved.

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