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The bacteria can affect the cotton plant during all growth stages, infecting stems, leaves, bracts and bolls. It causes seedling blight, leaf spot, blackarm (on stem and petioles), black vein and boll rot.
Bacterial diseases; Bacterial blight of cotton: Xanthomonas citri subsp. malvacearum: Crown gall Agrobacterium tumefaciens: Lint degradation Erwinia herbicola ...
It is now thought that the cotton dust directly causes the disease and some believe that the causative agents are endotoxins that come from the cell walls of gram-negative bacteria that grow on the cotton. [4] Although bacterial endotoxin is a likely cause, the absence of similar symptoms in workers in other industries exposed to endotoxins ...
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 ]
The most common cause of bacterial leaf spots are by bacteria in the genera Pseudomonas and Xanthomonas. For example, Pseudomonas syringae pv. tabaci is known to cause angular leaf spots of cucumber, Pseudomonas syringae pv. phaseolicola to cause bean leaf spot and Xanthomonas campestris pv. phaseoli, angular leaf spot of cotton. [7]
Uncontrolled bacterial blight has been shown to cause yield losses up to 20%. [68] Symptoms include small, dry, and brittle yellowish-brown spots on the plant and stalks covered in bacterial ooze. [69] The primary treatment of bacterial blight is applications of copper before the crop is fully mature. [69]
Walking pneumonia, a lung infection caused by the bacterium Mycoplasma pneumoniae, tends to be most common among older children and adolescents but in 2024 has been rampant among young children.
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