נגישות
menu      
Advanced Search
Syntax
Search...
Volcani treasures
About
Terms of use
Manage
Community:
אסיף מאגר המחקר החקלאי
Powered by ClearMash Solutions Ltd -
The use of traps baited with live females or synthetic pheromone as a tool for improving control programs of the cotton leaf-worm, Spodoptera littoralis (Boisd.), in cotton fields in israel
Year:
1975
Source of publication :
Phytoparasitica
Authors :
Genizi, Abraham
;
.
Greenberg-Levy, Sima H.
;
.
Volume :
3
Co-Authors:
Kehat, M., Div. of Entomology, ARO, The Volcani Center, Bet Dagan, Israel
Genizi, A., Div. of Statistics and Experiment Design, ARO, The Volcani Center, Bet Dagan, Israel
Greenberg, S., Div. of Entomology, ARO, The Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
3
To page:
18
(
Total pages:
16
)
Abstract:
The aim of this investigation was to clarify whether pheromone traps could provide a reliable tool for early detection of a S. littoralis adult population and for indicating infestation by its larvae in the field. The aggregated pattern of distribution of adults is indicated by the fit of data to Taylor's Power Law or to the negative binomial distribution. However, the relatively high k values obtained indicate that S. littoralis adults are only slightly aggregated and sometimes almost randomly distributed. Trap position in the field and number of traps per area unit affected size of catches in both female-baited and synthetic-pheromone-baited traps. No relationship between size of catches and temperature, wind velocity or moon phase was detected. Variations in size of catches among traps was not affected much by the baited females. Pheromone traps proved to be a reliable tool for estimating fluctuations in population density and for indicating adult peaks. However, no correlation between male catches and infestation by larvae in the experimental plots was found. Pheromone traps may serve only as a warning device indicating the possibility of potential attack due to an increase in adult population level. Mercury vapor light traps were inferior to pheromone traps in detecting changes in S. littoralis population densities. Synthetic pheromone ("Litlure") was somewhat less efficient in attracting males than virgin females; however, it is suitable for detecting fluctuations in the S. littoralis adult population. © 1975 Springer Science + Business Media B.V.
Note:
Related Files :
aggregated distribution
Control
light traps
pheromone traps
population dynamics
Spodoptera littoralis
Show More
Related Content
More details
DOI :
10.1007/BF02981216
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
18523
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:22
You may also be interested in
Scientific Publication
The use of traps baited with live females or synthetic pheromone as a tool for improving control programs of the cotton leaf-worm, Spodoptera littoralis (Boisd.), in cotton fields in israel
3
Kehat, M., Div. of Entomology, ARO, The Volcani Center, Bet Dagan, Israel
Genizi, A., Div. of Statistics and Experiment Design, ARO, The Volcani Center, Bet Dagan, Israel
Greenberg, S., Div. of Entomology, ARO, The Volcani Center, Bet Dagan, Israel
The use of traps baited with live females or synthetic pheromone as a tool for improving control programs of the cotton leaf-worm, Spodoptera littoralis (Boisd.), in cotton fields in israel
The aim of this investigation was to clarify whether pheromone traps could provide a reliable tool for early detection of a S. littoralis adult population and for indicating infestation by its larvae in the field. The aggregated pattern of distribution of adults is indicated by the fit of data to Taylor's Power Law or to the negative binomial distribution. However, the relatively high k values obtained indicate that S. littoralis adults are only slightly aggregated and sometimes almost randomly distributed. Trap position in the field and number of traps per area unit affected size of catches in both female-baited and synthetic-pheromone-baited traps. No relationship between size of catches and temperature, wind velocity or moon phase was detected. Variations in size of catches among traps was not affected much by the baited females. Pheromone traps proved to be a reliable tool for estimating fluctuations in population density and for indicating adult peaks. However, no correlation between male catches and infestation by larvae in the experimental plots was found. Pheromone traps may serve only as a warning device indicating the possibility of potential attack due to an increase in adult population level. Mercury vapor light traps were inferior to pheromone traps in detecting changes in S. littoralis population densities. Synthetic pheromone ("Litlure") was somewhat less efficient in attracting males than virgin females; however, it is suitable for detecting fluctuations in the S. littoralis adult population. © 1975 Springer Science + Business Media B.V.
Scientific Publication
You may also be interested in