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Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot. [1] [2] It affects members of the Prunus genus such as; cherry, plum, apricot, and chokecherry trees in North America. The disease produces rough, black growths that encircle and kill the infested parts, and provide habitat for insects.
A. morbosa Apiosporina is a genus of fungi in the family Venturiaceae . [ 1 ] Seeds of the Chinese elm , Trident maple and Japanese black pine can be infected with Apiosporina collinsii to produce dwarf forms used to make bonsai trees.
Prunus is a genus of flowering trees and shrubs from the family Rosaceae, which includes plums, cherries, peaches, nectarines, apricots and almonds (collectively stonefruit).The genus has a cosmopolitan distribution, [4] being native to the temperate regions of North America, the neotropics of South America, and temperate and tropical regions of Eurasia and Africa, [5] There are about 340 ...
Black beans contain a class of antioxidants called anthocyanins that give them their dark color and can help support brain health and lower the risk for heart disease and diabetes, Moore says.
The flowers are hermaphroditic and pollinated by bees and flies. The fruit is readily eaten by birds, which do not perceive astringency as unpleasant. [citation needed] In Eurasia, the bird-cherry ermine moth (Yponomeuta evonymella) uses bird-cherry as its host plant, and the larvae can eat single trees leafless. [citation needed]
Polygonum paronychia is a species of flowering plant in the knotweed family known by the common names dune knotweed, black knotweed, and beach knotweed. [1] It is native to the coastline of western North America from British Columbia to California , where it grows in sandy coastal habitat such as beaches, dunes, and scrub.
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The action of P. nicotianae is amplified by the presence of root-knot nematodes, which through their own feeding habits, assist the pathogen in finding an entrance to the host. This pathogen synergy with root-knot nematodes has the ability to overcome much of the resistance of cultivars especially bred for P. nicotianae resistance. [6]