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Pseudomonas syringae—more than any mineral or other organism—is responsible for the surface frost damage in plants [25] exposed to the environment. For plants without antifreeze proteins, frost damage usually occurs between −4 and −12 °C (25 and 10 °F) as the water in plant tissue can remain in a supercooled liquid state.
The Horse Chestnut is considered an economically and socially important tree. It is estimated that there are 470,000 trees in Great Britain. Many are urban, in parks and gardens. They are desirable because they can tolerate many conditions including dry sandy soils, wet clays and chalk. [4]
Because of their widespread occurrence in water and plant seeds such as dicots, the pseudomonads were observed early in the history of microbiology. The generic name Pseudomonas created for these organisms was defined in rather vague terms by Walter Migula in 1894 and 1900 as a genus of Gram-negative, rod-shaped, and polar- flagellated bacteria ...
A TSI slant is often used to distinguish nonfermenting Pseudomonas species from enteric pathogens in faecal specimens. [citation needed] When P. aeruginosa is isolated from a normally sterile site (blood, bone, deep collections), it is generally considered dangerous, and almost always requires treatment.
Burkholderia gladioli is a species of aerobic gram-negative rod-shaped bacteria [1] that causes disease in both humans and plants. It can also live in symbiosis with plants and fungi [2] and is found in soil, water, the rhizosphere, and in the microbiome of many animals. It was formerly known as Pseudomonas marginata.
Pseudomonas savastanoi is a gram-negative plant pathogenic bacterium that infects a variety of plants. It was once considered a pathovar of Pseudomonas syringae, but following DNA-relatedness studies, it was instated as a new species. [2] It is named after Savastano, a worker who proved between 1887 and 1898 that olive knot are caused by ...
Pseudomonas stutzeri is a Gram-negative soil bacterium that is motile, has a single polar flagellum, and is classified as bacillus, or rod-shaped. [1] [2] While this bacterium was first isolated from human spinal fluid, [3] it has since been found in many different environments due to its various characteristics and metabolic capabilities. [4]
Large populations of Pseudomonas are known to release an array of phytotoxins, and this is the cause of the observed spotting symptoms on the leaf. [13] After infection and asexual reproduction, P. cichorii can then spread to other leaves or plants. If the host plant dies or the leaf falls off, it may survive in this debris and repeat the ...