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White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [2] diverse host range and ability to infect plants at any stage of growth makes white mold a serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.
Oxygen deficiency of tuber accompanying high soil temperature Jelly end rot: Carbohydrate translocation due to second growth Physiological leaf roll: Response to adverse environment Psyllid yellows: Toxic saliva of the potato (tomato) psyllid, Paratrioza cockerelli: Shatter bruise: Mechanical damage to tuber Skinning: Mechanical damage to tuber
Powdery mildew is one of the easier plant diseases to identify, as the signs of the causal pathogen are quite distinctive. Infected plants display white powdery spots on the leaves and stems. [1] This mycelial layer may quickly spread to cover all of the leaves.
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Infected plants may produce a creamy white bacterial ooze when cut. The bacteria survive winter in the digestive tract of striped cucumber beetles and spotted cucumber beetles. In the spring when the beetles are feeding on susceptible plants, the bacteria, which are contained in the fecal matter of the beetles enters the plant through wounds in ...
Brefeldia maxima is a species of non-parasitic plasmodial slime mold, and a member of the class Myxomycetes. It is commonly known as the tapioca slime mold because of its peculiar pure white, tapioca pudding-like appearance. [3] A common species with a worldwide distribution, particularly in North America and Europe. [4]
The fungus includes a structure known as a 'smut-whip', a curved black structure which emerges from the leaf whorl, which helps to spread the disease to the other plants, usually over a period of about three months. As the inoculum is spread, the younger sugarcane buds just coming out of the soil will be the most susceptible.