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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.
Causally known as Sclerotial blight, [4] Agroathelia rolfsii survives in the soil as sclerotia, and in infected decomposing plant material as mycelia. [ 5 ] Collar rot that is caused by the oomycete Phytophthora is causally called Phytophthora collar rot, and is a common disease of fruit and nut trees, [ 5 ] [ 6 ] as well as other flowers [ 7 ...
Apr. 17—MOSES LAKE — Frank Zhao, a professor of plant pathology at Washington State University, spoke at the April 4 Fire Blight Webinar hosted by Michigan State University, providing an ...
Berg A. 1926. Tomato Late Blight and its Relation to Late Blight of Potato. Bonn WG, Zwet TVD. Distribution and economic importance of fire blight. 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 ...
The Sweet Sixteen is crisp and juicy, has an exotic yellow flesh, [2] mixed with red. [4] It is very sweet, with an unusual flavor of sugar cane, or spicy cherry candy.
Thomas Jonathan Burrill (April 25, 1839 – April 14, 1916) was an American botanist, plant pathologist, and college administrator who first discovered bacterial causes for plant disease. [1]
Initially copper sprays were used for fire blight control in the 1930s but this method had limited success. [24] In the 1950s streptomycin and oxytetracycline showed high success in controlling fire blight in comparison to copper. Since then streptomycin sprayed two to three times during blooming phase has become the treatment of choice.
Over 3000 cultivars of the pear are known. [1] The following is a list of the more common and important cultivars, with the year and place of origin (where documented) and an indication of whether the pears are for cooking, eating, canning, drying or making perry.