Identification and Control Methods of Artemisia Chinensis Gray Spot

Artemisia sphaerocephala is a fungal disease. It produces round, near-circular lesions on the leaves and is semi-circular or irregularly shaped on the edges of the leaves. The lesions are 2 to 4 mm in diameter, with a grayish-brown mid-brown, dark-brown edges and a broad banded pattern. At high humidity, gray molds appear on the lesions. The pathogenic bacteria mainly grows with the diseased body. The diseased plant produces conidia, which spreads due to wind and rain, causing re-infestation and heavy disease in rainy and humid conditions.

Control methods: 1. Planting disease-resistant, mildly disease-resistant, disease-resistant varieties; 2. Implementing crop rotation for 2-3 years; 3. Removing diseased bodies after harvest, removing diseased leaves in the early stages of disease; 4. Using disease-free seeds or soups Soaking; 5, reasonable fertilizer and water management, greenhouse ventilation and timely ventilation, moderately open water irrigation, timely drainage after the rain; 6, the initial incidence of timely spraying, optional chlorothalonil, acetaminophen, carbendazim, enemy , bacteria bacteria, the world higher.

Cosmetics Raw Materials

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Main purpose

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Beauty function

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Shaping

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