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Effects of Application Techniques on the Control of Powdery Mildew on Roses

Published online by Cambridge University Press:  03 October 2008

Hillela Vigodsky  and
N. Zieslin
Hillela Vigodsky
Affiliation:
Volcani Institute of Agricultural Research, Bet Degan, Israel
N. Zieslin
Affiliation:
Volcani Institute of Agricultural Research, Bet Degan, Israel
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Summary

Three methods of applying four fungicides were tested for controlling powdery mildew on roses. Best results were obtained by air blast application, with high-volume sprays providing better control than low-volume sprays. The former, unassisted by air blast, failed to give adequate control. Fluorescent tracers showed that performance of various modes of application depended on their ability to provide a satisfactory fungicide deposit on the lower leaf surface, which was particularly susceptible to the disease.

Type
Research Article
Information
Experimental Agriculture , Volume 6 , Issue 2 , April 1970 , pp. 123 - 127
Copyright
Copyright © Cambridge University Press 1970

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References

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