The control of arabismosaic virus in hops by soil fumigation and fallowing

The presence of a strain of arabis mosaic virus is associated with three diseased conditions of the hop plant, viz. nettlehead, split leaf blotch and bare bine. Control of the virus by controlling its vector, the nematode Xiphinema diversicaudatum, prior to replanting with healthy stocks, was attemp...

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Published in:Agro-ecosystems 1974, Vol.1, p.123-129
Main Authors: McNamara, D.G., Pitcher, R.S.
Format: Article
Language:English
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Summary:The presence of a strain of arabis mosaic virus is associated with three diseased conditions of the hop plant, viz. nettlehead, split leaf blotch and bare bine. Control of the virus by controlling its vector, the nematode Xiphinema diversicaudatum, prior to replanting with healthy stocks, was attempted using dichloropropane-dichloropropene mixture (DD), Di-Trapex, dazomet, quintozene, methyl bromide, methomyl or aldicarb. Good nematode control was obtained with all but the latter three chemicals, but even the best nematode control (achieved with DD) failed to stop reinfection and spread of the virus; the possible reasons for this are discussed. The most efficient virus control followed a hop-free interval of two years between grubbing and replanting, during which the land was either left fallow or break crops of grass or strawberry were grown.
ISSN:0304-3746
DOI:10.1016/0304-3746(74)90020-1