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Black rot, leaf spot and canker Botryosphaeria obtusa Sphaeropsis malorum [anamorph] Black spot (of Japanese pear) Alternaria alternata. Blister canker Helminthosporium papulosum. Blister disease Coniothecium chomatosporum: Blue mold rot Penicillium spp. Penicillium expansum. Botrytis spur and blossom blight Botrytis cinerea
A plant pathogen, it causes scab or black spot of pear. It has a widespread distribution in temperate and subtropical regions wherever pears are grown. [1] References
Sooty blotch and flyspeck is a descriptive term for a condition of darkly pigmented blemishes and smudges caused by a number of different fungi affecting fruit including apples, pear, persimmon, banana, papaya, and several other cultivated tree and vine crops. The greenish black coating resembling soot or flyspeck-like dots grow into irregular ...
Only a few prickly currant plants per acre are sufficient to perpetuate blister rust. In an effort to eradicate the rust and protect the economically important Western white pine, a federal ban on the cultivation and propagation of all Ribes species, including Ribes lacustre, went into effect in the early 1910s. Eradication efforts beginning in ...
It is responsible for the black spot disease on papaya trees. It affects generally leaves and fruits at any time. It affects generally leaves and fruits at any time. Sporodochia of Asperisporium caricae was growing under side of leaf, dark blackish brown to black, stroma well-developed, erumpent .
This species of prickly pear is mostly found in South Florida, [6] in sandy substrates often in brushy dunes inland and mangrove edges on the coast. [5] Other native habitats include scrub, scrubby flatwoods, and xeric, or dry, disturbed areas. [3]
Opuntia engelmannii is a prickly pear common across the south-central and Southwestern United States and northern Mexico.It goes by a variety of common names, including desert prickly pear, discus prickly pear, Engelmann's prickly pear [2] in the US, and nopal, abrojo, joconostle, and vela de coyote in Mexico.
Opuntia ficus-indica, the Indian fig opuntia, fig opuntia, or prickly pear, is a species of cactus that has long been a domesticated crop plant grown in agricultural economies throughout arid and semiarid parts of the world. [3]