General information about Colomerus vitis (ERPHVI). Eriophyes vitis is a mite species in the genus Eriophyes infecting grape leaves( Vitis vinifera). (Source: Wikipedia. Photo: (c) Ferran Turmo Gort, some rights. Exp Appl Acarol. Apr;74(4) doi: /sz. Epub Mar Impact of the erineum strain of Colomerus vitis (Acari.
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You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. Highest infestation and citis most injury occurs in the first 10 basal buds.
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File:Colomerus vitis (Eriophyes vitis), Arnhem, the Netherlands – 2.jpg
The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Occurrence of the bud mite strain of Eriophyes vitis Pgst.
The blistered areas are incapable of resuming normal development which results in disruption or coalescence coloomerus venation, irregular leaf margins and generally mishapen leaves at maturity. Systematic and Applied Acarology The present experiment was aimed at determining the influence of the grape erineum strain of Colomerus vitis GEM Acari: Finally, in heavy infestations the leaves curl, plant growth is retarded and yield is affected.
When only the primary bud can be fruitful, mite damage is far more severe than if the lateral buds are also capable of producing fertile shoots.
At the highest mite density, canes of Khalili Bovanat and Sahebi Uroomie displayed the most and the least shortening effects, respectively. The leaf curling strain colomsrus C. In the spring the mites move onto leaves as soon as they unfold and feed there, forming large colonies within the protective erineum. Very high densities of the erineum strain can occur before any economic impact is recorded.
EPPO Global Database
View all coordinates using: Pest damage to various grape varieties depends on the type of buds carried on the canes. The erineum strain of C. The bud strain causes deformation of the primordial bud cluster, distortion of the basal leaves, stunting of the main growing point of the buds and often death of the overwintering buds.
Almost wherever grapes are grown.
Colomerus vitis (ERPHVI)[Overview]| EPPO Global Database
Views View Edit History. Dispersal between plants is by winds, insects and especially citis transferring propagation canes from infested stock to new areas. AcariProstigmataEriophyoideaEriophyidae. The patches later become brownish and may cover the entire leaf, leading to its premature drop.
The featherclaw is five-rayed.
Description Colomerus vitis Eriophyes vitisArnhem, the Netherlands – 2. The body of the grape erineum mite is yellowish, about 0. Varieties with higher levels of indol acetic acid IAA were found in Iran to be less affected by the mite than other varieties. Most infested plants produced shorter canes and their lengths appeared to have a strong negative correlation with the highest mite density in four cultivars; canes of Sahebi Uroomie did not appear affected.
Coloerus vitis DruivenmijtArnhem, Nederland.
They may also be carried on the growing shoot from the bud, settling first in the basal buds, their numbers gradually diminishing in the more distant buds. If you would like to, you can learn more about the cookies we use.
Retrieved from ” https: The mite lives on the lower side of grape leaves and in the buds, overwintering there and vitjs bark crevices. The percentage of leaves with erinea, as well as the number of erinea per leaves and the diameter of erinea increased along with the mite population density.