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Modes of Dispersal and Biological Control of Broad Mite, Polyphagotarsonemus latus [abstract]
Year:
2000
Source of publication :
Phytoparasitica
Authors :
Mansour, Fadel
;
.
Palevsky, Eric
;
.
Soroker, Victoria
;
.
Weintraub, Phyllis
;
.
Volume :
28 (4)
Co-Authors:

U. Gerson

Facilitators :
From page:
379
To page:
380
(
Total pages:
2
)
Abstract:

Broad mite, Polyphagotarsonemus latus (Banks), is an important cosmopolitan pest on many commercial crops and its control requires numerous pesticide applications. The mite attacks all young plant parts (leaves, stems, flowers and fruit) and it is very small and difficult to detect. Our research objectives were: to establish how the mite invades screenhouses, whether borne "on wind currents or carried by insect-vectors (phoresy); if the latter case, to determine whether the phoretic relationship is specific to a certain group of insects and to assess the efficacy of the phytoseiid predator Neoseiulus cucumeris for broad mite control. Sticky traps were placed on the windward side, outside and inside the screen-house, and examined at 2-week intervals in autumn 1999, in order to monitor broad mite invasion. The phoretic relationships between the broad mite and three insects, namely, Bemisia tabaci, Aphis gossypii and Frankliniella occidentalis, were studied by placing all three insects, frozen, on individual cucumbers heavily infested with broad mites and allowing them to choose. For biological control of broad mite on pepper, special slow-release sachets, containing the predator, were hung on the stems of individual plants. In the sticky traps broad mites were found only when attached, or adjacent, to B. tabaci. No windborne broad mites were caught in these traps. A significant positive association was found between B. tabaci and the broad mite. The choice test clearly demonstrated the mite's preference for whiteflies over the two other insects. The release of N. cucumeris had a significant effect on broad mite populations. Further experiments will be conducted in the coming season to substantiate these findings.

Note:
Related Files :
Acari
biological control
Broad mite
Dispersal
insects
pests
plant protection
Polyphagotarsonemus latus
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Publication Type:
Abstract
;
.
Conference paper
;
.
Language:
English
Editors' remarks:
ID:
55674
Last updated date:
02/03/2022 17:27
Creation date:
20/07/2021 13:50
Scientific Publication
Modes of Dispersal and Biological Control of Broad Mite, Polyphagotarsonemus latus [abstract]
28 (4)

U. Gerson

Modes of Dispersal and Biological Control of Broad Mite, Polyphagotarsonemus latus

Broad mite, Polyphagotarsonemus latus (Banks), is an important cosmopolitan pest on many commercial crops and its control requires numerous pesticide applications. The mite attacks all young plant parts (leaves, stems, flowers and fruit) and it is very small and difficult to detect. Our research objectives were: to establish how the mite invades screenhouses, whether borne "on wind currents or carried by insect-vectors (phoresy); if the latter case, to determine whether the phoretic relationship is specific to a certain group of insects and to assess the efficacy of the phytoseiid predator Neoseiulus cucumeris for broad mite control. Sticky traps were placed on the windward side, outside and inside the screen-house, and examined at 2-week intervals in autumn 1999, in order to monitor broad mite invasion. The phoretic relationships between the broad mite and three insects, namely, Bemisia tabaci, Aphis gossypii and Frankliniella occidentalis, were studied by placing all three insects, frozen, on individual cucumbers heavily infested with broad mites and allowing them to choose. For biological control of broad mite on pepper, special slow-release sachets, containing the predator, were hung on the stems of individual plants. In the sticky traps broad mites were found only when attached, or adjacent, to B. tabaci. No windborne broad mites were caught in these traps. A significant positive association was found between B. tabaci and the broad mite. The choice test clearly demonstrated the mite's preference for whiteflies over the two other insects. The release of N. cucumeris had a significant effect on broad mite populations. Further experiments will be conducted in the coming season to substantiate these findings.

Scientific Publication
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