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Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae. It is a serious concern to apple and pear producers. It is a serious concern to apple and pear producers.
Leaf blight occurs in areas with hot and humid weather. The spores land on onion leaves, penetrate the skin, and rapidly kill the leaf. This causes a severe reduction in bulb size, as high as 50%, and can happen in less than a week. [120] Applications of foliar fungicides can be used to control leaf blight.
These include both chemical and cultural control of the disease. An integrated management system using both types of control is recommended for Eastern Filbert Blight. Systemic fungicides are recommended when the shoots of the plant are elongating rapidly. If protectant fungicides are going to be used it is recommended to apply every 8 to 17 ...
According to WSU's Tree Fruit website, fire blight is a disease affecting crops of pears and apples. "Infections ... Apr. 17—MOSES LAKE — Frank Zhao, a professor of plant pathology at ...
Fire blight: the disease and its causative agent, Erwinia amylovora.:37–53. Erskine JM. 1973. Characteristics of Erwinia amylovora bacteriophage and its possible role in the epidemiology of fire blight. Canadian Journal of Microbiology; 19(7):837–845. Johnson KB, Stockwell VO. 1998. MANAGEMENT OF FIRE BLIGHT: A Case Study in Microbial Ecology.
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO 4) and quicklime (Ca O) used as a fungicide. It is used in vineyards, fruit-farms, vegetable-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi. It is sprayed on plants as a preventive treatment; its mode of action is ...
Phomopsis blight of juniper is a foliar disease discovered in 1917 [1] caused by the fungal pathogen Phomopsis juniperovora. The fungus infects new growth of juniper trees or shrubs, i.e. the seedlings or young shoots of mature trees.
Copper pesticides may not prevent Sclerotinia blight, some Phytophthora, and Rhizoctonia, [14] Bordeaux mixture, made by adding copper sulfate and calcium hydroxide to water, was one of the first fungicides used by Pierre-Marie-Alexis Millardet, a French viticulturist during the mid-1800s.
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