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Author Ko, M. P. ♦ Schmitt, D. P. ♦ Fleisch, H. ♦ Sipes, B. S.
Source SpringerLink
Content type Text
Publisher Springer Netherlands
File Format PDF
Copyright Year ©1997
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Life sciences; biology
Subject Keyword Plant Pathology ♦ Plant Sciences ♦ Agriculture ♦ Entomology ♦ Ecology
Abstract Introduced or remnant populations of Meloidogyne javanica, Rotylenchulus renfomis, Helicotylenchus dihystera and Paratylenchus spp. in Hawaiian pineapple fields located at three elevations or subjected to two irrigation regimes were monitored following soil fumigation. Introduced populations of M. javanica established more readily at high-elevation than lower-elevation sites, and resident populations of Helicotylenchus, Rotylenchulus and Paratylenchus resurged readily at lower- but not at high-elevation sites. Despite variations in number of M. javanica introduced initially, resident as well as introduced nematodes multiplied subsequently to various specific levels at different localities. Generally, population densities of M. javanica and resident nematodes at a particular site were higher at time of ratoon- than plant-crop harvest, and in irrigated than non-irrigated plots. Fruit yields of the ratoon-crop were equal to or lower than the plant-crop, and were more affected in irrigated than in non-irrigated plots. Site location, irrigation and time of crop harvest were important factors influencing the rate as well as the final level of a nematode population build-up. The feasibility of exploiting these factors for nematode control should be further studied.
ISSN 01560972
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 1997-01-01
Publisher Institution Australasian Plant Pathology Society
Publisher Place Dordrecht
e-ISSN 14486032
Journal Australasian Plant Pathology
Volume Number 26
Issue Number 1
Page Count 9
Starting Page 60
Ending Page 68

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Source: SpringerLink