GRAPEVINE DISEASES

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????? ????? GRAPEVINE DISEASES ?.???? ????? ???
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????? ????? GRAPEVINE DISEASES
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?????? ????? plasmopara viticola
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??????? ??????? ????? phomopsis viticola??????
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???? ???? ????? phomopsis viticola
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????? ?????? ????? ??????Diaporthe perjuncta
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Botrytis lesion at node of young shoot
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Botrytis-blighted flower cluster
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Botrytis-infected berry
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Sporulation on late season infection
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Grape Black Rot caused by the fungus, Guignardia
bidwellii
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• Eutypa dieback caused by the fungus, EUtypa
  armeniacea

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Flavescence doree symptoms on Chardonnay,
including downward leaf rolling and  shrivelling
of berry clusters
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Bois noir symptoms on Grenache clonal 70 on
rootstock 3309 clonal 143
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Grapevine corky bark disease foliar symptoms on
LN33 indicator (Grapevine virus B).
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Grapevine rupestris stem pitting disease.
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Grapevine fanleaf virus symptoms - yellow mosaic
pattern on leaf.
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Grapevine fanleaf virus symptoms - bright yellow vein banding on lea
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Grapevine leafroll disease
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Grapevines with yellow leaf mottle due to Arabis
mosaic nepovirus, cv. Tamiioasca romineasca.
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