Lettuce planting techniques: how to control lettuce downy mildew?
How to prevent and cure lettuce downy mildew? Please introduce the method of lettuce downy mildew is a common disease of lettuce, which occurs everywhere. Lettuce downy mildew is mainly caused by flagellum subphylum downy mildew. It is generally harmful to the leaves of crops. The leaves of lettuce with downy mildew were yellow near round spots at first, and then developed into yellowish brown spots, which were polygonal due to the limitation of leaf veins. Lettuce downy mildew usually occurs under rainy and humid conditions, and white mildew grows on the disease spots on the back of the leaves. Prevention and control method of lettuce downy mildew: 58% Ruidu mildew manganese zinc powder 1000 times liquid, or 72.2% Pulic water agent 1000 times solution, sprayed once every 7 to 10 days, continuous spraying for 2 times for 3 times. Click to get more lettuce planting techniques click to get more vegetable planting techniques
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Lettuce planting techniques: how to store lettuce in winter?
How to store lettuce in winter? Please introduce the method because the market volume of winter lettuce is large, so the price is low, so how to make lettuce safe through the winter, keep fresh, crisp and tender, selling a good price is a way to increase income, the following introduces the winter storage method of lettuce for reference. Fake planting and storage of lettuce.
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Lettuce planting techniques: what is lettuce gray mold?
What is lettuce gray mold? What harm does lettuce gray mold have? How to prevent and cure lettuce gray mold? Please give guidance on lettuce gray mold is a common and harmful disease of lettuce. The disease not only harms lettuce, but also harms more than 20 kinds of vegetables and other farmers, such as tomato, eggplant, pepper, cucumber, watermelon and so on.
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