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Tobacco wildfire disease, commonly known as fire disease, is a disease on tobacco caused by the infection of Clove Pseudomonas tobacco pathogenic varieties.


It mainly harms the leaves, young stems, capsules and sepals. At the beginning of the onset of the disease, the leaves produce small brown watery spots, with a wide yellow halo around them. Later, the disease spots gradually expand, with a diameter of 1-2 cm. After the disease spots heal, they form irregular large spots with irregular whorls.

Occurrence regularity:

The tobacco wildfire mainly occurred after a long period of flourishing tobacco plants, and also occurred in seedling stage but relatively few. The rainy and humid climate will make the disease expand in a large area.


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