first, second and third leaf and subsequently on other leaves. Yellow stripes are formed at the base of the leaf and the leaf sheath. They gradually…
fragariae Angular leaf spot General Xanthomonas fragariae is a leaf spot disease found in strawberry. Life cycle and appearance of Angular leaf spot…
Ascochyta pisi Pea blight, leaf and pod spot General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or…
the epidemics. Fungal spores germinate on the leaf surface and the germ tubes grow and branch out on the leaf surface. Small structures are produced,…
around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce…
small to start with and slightly raised from the leaf surface. They occur on the abaxial (underside of) leaf surfaces and may enlarge into dark brown…
between 18 and 24 °C, only 9 hours of leaf wetness is required, at lower temperatures this increases to 12-28 hours of leaf wetness for successful…
symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue…
The Netherlands, and Pestalotiopsis longisetula in the case of leaf spots, such as leaf spot of strawberry and fruit rot reported mainly from Brazil.…
germination. The seedlings are infected after emergence; the two- to three-leaf stage plants are most susceptible. This disease occurs mostly at some…
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