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Botryosphaeria obtusa is a plant pathogen that causes frogeye leaf spot, black rot and cankers on many plant species. [1] On the leaf it is referred to as frogeye leaf spot; this phase typically affects tree and shrubs. In fruit such as the apple, cranberry and quince, it is referred to as black rot, and in twigs and trunks it causes cankers. [1]
Botryosphaeria is a genus of pathogenic fungi in the family Botryosphaeriaceae. [2] There are 193 species, many of which are important disease-causing agents of various important agricultural crops. Species
Botryosphaeria canker Botryosphaeria dothidea Fusicoccum aesculi Botryosphaeria disrupta Botryosphaeria obtusa Sphaeropsis spp. [anamorph] Botryosphaeria rhodina Botryosphaeria ribis Fusicoccum spp. [anamorph] Canker rots Cerrena unicolor Inonotus hispidus. Cylindrocladium root rot and blight Calonectria kyotensis Cylindrocladium scoparium
The Botryosphaeriales are an order of sac fungi (Ascomycetes), placed under class Dothideomycetes.Some species are parasites, causing leaf spot, plant rot, die-back or cankers, but they can also be saprophytes or endophytes.
Botryosphaeria obtusa Sphaeropsis malorum [anamorph] Blister canker = nailhead canker Biscogniauxia marginata = Nummularia discreta. Blue mold Penicillium spp. Penicillium expansum. Brooks fruit spot Mycosphaerella pomi Cylindrosporium pomi [anamorph] Brown rot blossom blight and spur infection Monilinia laxa. Calyx-end rot Sclerotinia sclerotiorum
Botryosphaeria obtusa, a pathogen responsible for the black dead arm disease of grapevine, has also been shown to be able to oxidise wood δ-resveratrol into delta-viniferin. [8] In cell cultures, the use of methyl jasmonate and jasmonic acid as elicitors stimulates δ-viniferin biosynthesis. [9]
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 Botryotinia fuckeliana [teleomorph] Brown rot ...
Botryosphaeria dothidea = Botryosphaeria berengeriana Fusicoccum aesculi [anamorph] Botryosphaeria obtusa Botryosphaeria rhodina Botryosphaeria ribis. Green fruit rot Botrytis cinerea Botryotinia fuckeliana [teleomorph] Monilinia fructicola Monilinia laxa. Sclerotinia sclerotiorum: Leaf curl: Taphrina deformans. Phymatotrichopsis root rot ...