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Peach enation virus. Dark green sunken mottle. genus Trichovirus, Apple chlorotic leaf spot virus (ACLSV) Latent mosaic. Peach latent mosaic viroid. Line pattern. genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) genus Ilarvirus, Apple mosaic virus (ApMV) Line pattern and leaf curl = cherry line pattern leaf curl.
Brown rot on apple. Fruit rot appears as small, circular brown spots that increase rapidly in size causing the entire fruit to rot. Greyish spores appear in tufts on rotted areas. [4] Infected fruit eventually turn into shrivelled, black mummies that may drop or remain attached to the tree through the winter.
Fruit rot caused by the brown rot pathogen Monilinia fructigena is a notorious ailment found in Malus domestica —the apple tree—with the fungus occasionally spreading from the infected fruit to the branches, causing cankering. With apple infections, a varying symptom can occur within the fruits, causing what is commonly known as “black ...
Monilinia laxa is an ascomycete fungus that is responsible for the brown rot blossom blight disease that infects many different types of stone fruit trees, such as apricots, cherries and peaches. [2] It can also occasionally affect some pome fruits; for example, apples and pears. [3] The pathogen overwinters on infected plant parts ...
Historically, the disease is believed to have originated in Austria, but is now a minor presence for all peach trees typically east of the Rocky Mountains. As a minor disease, peach scab is most dangerous when the scabs develop—allowing brown rot to infect the plant, which is a far more devastating disease. [11]
Bitter rot Glomerella cingulata Colletotrichum gloeosporioides [anamorph] 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
Shot hole disease is a major concern of the stone fruit industry. It is estimated that 80% of the California almond crop may be infested with shot hole disease, resulting in a potential yield loss of 50-75%. [3] In the 1930s, it was found that applications of Bordeaux mixture reduces shot hole disease on peaches from 80% to 9%.
Monilinia is a genus of fungi in the family Sclerotiniaceae. [1]Monilinia fungi are pathogens to Rosaceae and Ericaceae and often cause major losses to crops. The genus is sometimes divided into two sections based on whether they possess disjunctors - these are small structures in mature fungi that help with spore dispersal. [2]