blight. Life cycle and appearance of Gummy stem blight Mycosphaerella cucumis survives in crop debris and produces the sexual ascospores and asexual…
year after infection. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is…
watermelon and squash. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and…
in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil. Life cycle and appearance of Grey…
different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wounded…
rain, water, machinery and tools and in soil particles and via movement of plant parts. The fungus grows from plant to plant and from the soil upward,…
break open, releasing many bacteria. These are dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from…
soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Life cycle and…
mildew fungi and especially in greenhouse crops they don’t play a role in the epidemics. Fungal spores germinate on the leaf surface and the germ…
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