Tortrix moth attack has not spread

Groves, J.R.

Grower London 39(5): 233

1953


Accession: 025996379

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Abstract
In 2 years the summer fruit tortricid, (Adoxophyes ovana), has not developed as rapidly as expected in s. England. It feeds largely on foliage instead of fruit, and has sometimes proved to be a serious pest. 4% petroleum plus 0.1% DNC (dinitrocresol) as a dormant spray has been useful, as has 0.1% DDT as a cluster-bud spray. Against the summer generation, 0.01% parathion, 0.15% toxaphene or 0.1% DDT in June have been effective. 2 applications, 2 weeks apart, are needed to give good control.