Alternaria Leaf Spot

Problemas y enfermedades de los vegetales. Consultas y dudas sobre comportamientos, cuidados y diseño de jardinería y sanidad de las plantas.
kevinhanks
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Registrado: Jue May 17, 2018 6:11 am

Alternaria Leaf Spot

Mensaje por kevinhanks » Sab May 26, 2018 11:12 am

Hello,

Alternaria leaf spot is caused by fungus Alternaria brassicae. The leaves of the infected crop (especially kales) have black or brown circular spots. With time, the spots enlarge and concentric rings appear on them. You can prevent this disease by planting certified seed or disease-free transplants. You can also prevent it by avoiding wet and warm conditions in your garden as the fungus is very active under these conditions. Cruciferae weeds harbor the fungus, so you should eradicate them from your garden. The best way to control Alternaria leaf spot is to uproot and bury or burn the infected crop. You can also spray your crops with a suitable fungicide immediately after you see the symptoms.

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