אסיף מאגר המחקר החקלאי

Observations on the survival of free-living stages of the citrus nematode

Year:

1966

Source of publication :

Authors :

Volume :

12

Co-Authors:

Cohn, E., Volcani Institute of Agricultural Research, Rehovot, Israel

Facilitators :

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Abstract:

Storage of free-living stages of Tylenchulus semipenetrans for 7 days at 0-30° C resulted in low mortality rates. Almost all nematodes died after 1 hour when stored at -10° C, and after 4 hours when stored at +40° C. 10° C was found to be the optimum storage temperature. Mortality after storage at 10° C for 24 months was approximately 30%, with more female larvae remaining viable than males. Infectivity of the surviving nematodes was not lower than that of nematodes extracted from fresh citrus roots. No correlation was found between seasonal fluctuations in an established nematode population and soil temperature levels. © 1966 BRILL.

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