Gnomonia leptostyla is a fungal plant pathogen. It is newly named Ophiognomonia leptostyla and occurs on walnut (Juglans spp.) and causes leaf blotch and leaf spots which is called walnut anthracnose or walnut black spot. The anamorph is Marssoniella juglandis (Lib.) Hohn.
http://aims.fao.org/aos/agrovoc/xDef_9ce61d36
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2018-10-10T09:29:29.105+02:00
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Gnomonia leptostyla is a fungal plant pathogen. It is newly named Ophiognomonia leptostyla and occurs on walnut (Juglans spp.) and causes leaf blotch and leaf spots which is called walnut anthracnose or walnut black spot. The anamorph is Marssoniella juglandis (Lib.) Hohn.