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The influence of some environmental and cultural conditions on rearing populations of xiphinema and longidorus
Year:
1970
Source of publication :
Nematologica
Authors :
Cohn, Eli
;
.
Mor, Mishael
;
.
Volume :
16
Co-Authors:
Cohn, E., The Volcani Institute of Agricultural Research, Bet Dagan, Israel
Mordechai, M., The Volcani Institute of Agricultural Research, Bet Dagan, Israel
Facilitators :
From page:
85
To page:
93
(
Total pages:
9
)
Abstract:
Trials were carried out with hand-picked populations of Xiphinema spp. and Longidorus spp. to determine the effect of different environmental and cultural conditions on the nematode multiplication rate. Using Longidorus africanus as a test organism, a four-fold population increase within 5 months was recorded in polyethylene bottles as compared with that in clay pots; population build-up of L. africanus, Xiphinema brevicolle, X. diversicaudatum, X. index, and X. italiae in polyethylene bottles was quicker in a heavy than in a light soil. The increased multiplication rates were attributed to the smaller moisture fluctuations in the polyethylene containers and the heavier soil. Population build-up of X. brevicolle, X. index, X. italiae and L. brevicaudatus was quicker, and the duration of their life cycles was shorter, with increasing temperature levels between 16 and 28°C. Soil drenches with a nutrient solution at a normally recommended concentration were found to suppress drastically populations of L. africanus, while foliar sprays with a number of pesticides had no adverse effect. Attempts to introduce a single plant variety as a standard host in cultures of Xiphinema and Longidorus spp. were unsuccessful. Among the nematodes successfully cultured to date, the Longidorus spp. appear to have a shorter life cycle than the Xiphinema spp. X. mediterraneum and all the bisexual species of the two genera tested so far, have failed to thrive well in artificial cultures. © 1970 BRILL.
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DOI :
10.1163/187529270X00504
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
22815
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:54
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Scientific Publication
The influence of some environmental and cultural conditions on rearing populations of xiphinema and longidorus
16
Cohn, E., The Volcani Institute of Agricultural Research, Bet Dagan, Israel
Mordechai, M., The Volcani Institute of Agricultural Research, Bet Dagan, Israel
The influence of some environmental and cultural conditions on rearing populations of xiphinema and longidorus
Trials were carried out with hand-picked populations of Xiphinema spp. and Longidorus spp. to determine the effect of different environmental and cultural conditions on the nematode multiplication rate. Using Longidorus africanus as a test organism, a four-fold population increase within 5 months was recorded in polyethylene bottles as compared with that in clay pots; population build-up of L. africanus, Xiphinema brevicolle, X. diversicaudatum, X. index, and X. italiae in polyethylene bottles was quicker in a heavy than in a light soil. The increased multiplication rates were attributed to the smaller moisture fluctuations in the polyethylene containers and the heavier soil. Population build-up of X. brevicolle, X. index, X. italiae and L. brevicaudatus was quicker, and the duration of their life cycles was shorter, with increasing temperature levels between 16 and 28°C. Soil drenches with a nutrient solution at a normally recommended concentration were found to suppress drastically populations of L. africanus, while foliar sprays with a number of pesticides had no adverse effect. Attempts to introduce a single plant variety as a standard host in cultures of Xiphinema and Longidorus spp. were unsuccessful. Among the nematodes successfully cultured to date, the Longidorus spp. appear to have a shorter life cycle than the Xiphinema spp. X. mediterraneum and all the bisexual species of the two genera tested so far, have failed to thrive well in artificial cultures. © 1970 BRILL.
Scientific Publication
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