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Pseudomonas syringae is a rod-shaped, Gram-negative bacterium with polar flagella.As a plant pathogen, it can infect a wide range of species, and exists as over 50 different pathovars, [2] all of which are available to researchers from international culture collections such as the NCPPB, ICMP, and others.
Bacterial seedling blight of rice (Oryza sativa), caused by pathogen Burkholderia plantarii [4] Early blight of potato and tomato, caused by species of the ubiquitous fungal genus Alternaria; Leaf blight of the grasses e.g. Ascochyta species [5] and Alternaria triticina that causes blight in wheat [6]
Lilac witches’-broom (LWB) is a disease of lilacs caused by Candidatus Phytoplasma fraxini. This Phytoplasma was first identified as the causal agent of Ash yellows and has since been attributed to both diseases.
Bacterial blight caused by P. cannabina pv. alisalensis has been reported in Greece, Germany, Australia, Japan, and several regions of the US including the Midwest, South, and Pacific Coast. Though some of these identifications were mislabeled as P. syringae pv. alisalensis, the indication that P. cannabina pv. alisalensis has a wide ...
Management of bacterial leaf blight is most commonly done by planting disease resistant rice plants. PSB Rc82 is the standard variety of rice used in Southeast Asia, and the use of this cultivar enables the harvest of an estimated 0.8 million metric tons of rice per cropping season that would have otherwise been lost to bacterial leaf blight.
Bacterial diseases; Bacterial spot Xanthomonas euvesicatoria pv. citrumelo: Black pit (fruit) Pseudomonas syringae: Blast Pseudomonas syringae: Citrus canker:
The host of the fungal pathogen, Syringa vulgaris or the common lilac, is an ancient plant with significance in horticultural activities and wild roots in eastern Europe. [4] Its Latin epithet, vulgaris, translates into ‘common’ in English, and was popularized by the pioneer taxonomist Carl von Linné .
Didymascella thujina occurs on western red cedar (T. plicata) and T. plicata var. atrovirens on the west coast of North America, where it is a significant leaf blight. It also occurs in eastern white cedar (T. occidentalis) in eastern North America, although its effect is insignificant. [7]