Article

Spatial heterogeneity of the incidence of grape downy mildew

1995-03-01

Abstract excerpt

Heterogeneity of the incidence of downy mildew of grape, caused by Plasmopara viticola, was quantified in an experimental Ohio vineyard. The proportion of diseased leaves on each of 15 shoots (sampling units) per plot was determined for 18 separate plots at two times (generally August and September) during each of 3 yr. The binary data analogue of Taylor's power law, in which the logarithm of the observed variance...

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Literature Corpus work: f330e5c0-5afb-5491-95a1-a1f3bb77c8c3
DOI: 10.1094/phyto-85-269

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