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Esca is a grape disease of mature grapevines. It is a type of grapevine trunk disease. The fungi Phaeoacremonium aleophilum, Phaeomoniella chlamydospora [1] and Fomitiporia mediterranea [2] are associated with the disease.
Virus and viruslike diseases; Alfalfa mosaic Alfalfa mosaic virus: Arabis mosaic Arabis mosaic virus: Artichoke Italian latent Artichoke Italian latent virus: Asteroid mosaic Undetermined, viruslike Bois noir/black wood disease Candidatus Phytoplasma solani: Bratislava mosaic Bratislava mosaic virus: Broad bean wilt Broad bean wilt virus: Corky ...
It can cause complete crop loss in warm, humid climates, but is virtually unknown in regions with arid summers.” [1] The name comes from the black fringe that borders growing brown patches on the leaves. The disease also attacks other parts of the plant, “all green parts of the vine: the shoots, leaf and fruit stems, tendrils, and fruit.
The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1] The University of Hertfordshire maintains a database of the chemical and biological properties of these materials, [2] including their brand names and the countries and dates where and when they have been ...
Uncinula necator (syn. Erysiphe necator) is a fungus that causes powdery mildew of grape. It is a common pathogen of Vitis species, including the wine grape, Vitis vinifera. The fungus is believed to have originated in North America. European varieties of Vitis vinifera are more or less susceptible to this fungus.
Anthracnose tends to develop late in the harvesting season, and is not a common soybean disease. It is caused by the fungus Colletotrichum truncatum. The fungus infects soybean by attaching to the surface of the plant and penetrating the tissue wall. From here anthracnose is able to spread spores throughout the plant, killing branches, pods ...
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The fungus over-winters as pycnidia on the outside of diseased wood. The pycnidia produces and releases two-celled, dark brown, striated conidia. [11] The conidia are then dispersed by wind and rain splash, spreading the fungi to other vines, and from one part of the vine to another. Disease develops when conidia land on freshly cut or damaged ...