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Effect of Boron Nutrition on Intensity of Red Spider Mite Attack on Oil Palm Seedlings

Published online by Cambridge University Press:  03 October 2008

J. A. Rajaratnam  and
Law Ing Hock
J. A. Rajaratnam
Affiliation:
Chemara Research Station, Seremban, Malaysia
Law Ing Hock
Affiliation:
Chemara Research Station, Seremban, Malaysia
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Summary

The effect of boron nutrition on the susceptibility of young tenera oil palm seedlings to red spider mite attack was studied. Highest concentrations of mites were recorded in seedlings which had received little or no boron in the growing media. Injuries by mites were greatest when the leaves had the highest number of mites per unit area, the lowest boron concentration and the lowest concentration of cyanidin.

Type
Research Article
Information
Experimental Agriculture , Volume 11 , Issue 1 , January 1975 , pp. 59 - 63
Copyright
Copyright © Cambridge University Press 1975

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