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Systemic effects of a neem insecticide on Liriomyza huidobrensis larvae
Year:
1997
Source of publication :
Phytoparasitica
Authors :
Horowitz, Rami
;
.
Weintraub, Phyllis
;
.
Volume :
25
Co-Authors:
Facilitators :
From page:
283
To page:
289
(
Total pages:
7
)
Abstract:
In an effort to expand the spectrum of larvicides effective against the pea leafminer, Liriomyza huidobrensis (Blanchard), we studied the effects of a neem-based insecticide (Neemix-45) on the development of the leafminer under laboratory conditions. Bean plants were treated with a soil drench of 1, 5, 10 or 25 ppm azadirachtin or by dipping leaves in 1 or 15 ppm azadirachtin at various times before or during the development of the leafminer. Treating the plants with the neem insecticide before exposure to egg-laying adults had a greater effect on inhibiting the development of pupae and adult eclosion than treatment at the 1st-instar larval stage. The systemic effects from a soil drench had a greater adverse effect on pupation and adult eclosion than leaf dipping. Drenching plants with 1 ppm azadirachtin 24 h before exposure to adults had a greater effect (0% adult eclosion) than leaf dipping at the same time period and concentration (15.6% adult eclosion). Similar results were obtained when drenching plants infested with 1st-instar larvae with 1 ppm azadirachtin (11.7% eclosion) vs dipping leaves at the same time period and concentration (44.7% eclosion).
Note:
Related Files :
Leaf dipping
Liriomyza huidobrensis
Neem-based insecticide
Neemix-45
Systemic effects by soil drenching
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28904
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:42
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Scientific Publication
Systemic effects of a neem insecticide on Liriomyza huidobrensis larvae
25
Systemic effects of a neem insecticide on Liriomyza huidobrensis larvae
In an effort to expand the spectrum of larvicides effective against the pea leafminer, Liriomyza huidobrensis (Blanchard), we studied the effects of a neem-based insecticide (Neemix-45) on the development of the leafminer under laboratory conditions. Bean plants were treated with a soil drench of 1, 5, 10 or 25 ppm azadirachtin or by dipping leaves in 1 or 15 ppm azadirachtin at various times before or during the development of the leafminer. Treating the plants with the neem insecticide before exposure to egg-laying adults had a greater effect on inhibiting the development of pupae and adult eclosion than treatment at the 1st-instar larval stage. The systemic effects from a soil drench had a greater adverse effect on pupation and adult eclosion than leaf dipping. Drenching plants with 1 ppm azadirachtin 24 h before exposure to adults had a greater effect (0% adult eclosion) than leaf dipping at the same time period and concentration (15.6% adult eclosion). Similar results were obtained when drenching plants infested with 1st-instar larvae with 1 ppm azadirachtin (11.7% eclosion) vs dipping leaves at the same time period and concentration (44.7% eclosion).
Scientific Publication
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