Loofah planting farmers share, loofah downy mildew control
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Symptoms:
Towel gourd downy mildew is mainly harmful to leaves. Irregular water-stained patches were produced in the leaves at the initial stage of the disease, and then expanded into polygonal, yellow to yellow-brown spots due to the limitation of leaf veins. when the humidity was high, the back of the leaves was grayish black to purple-black mildew layer, and the whole leaf withered when the disease was serious.
Prevention and control methods:
The main results are as follows: 1. The diseased and residual bodies in the field should be cleared in time after harvest, and concentrated out of the field for destruction.
2. In the early stage of the disease, choose 66.8% propionate ·isopropanil wettable powder, or 69% manganese zinc enoyl wettable powder 1000 to 1500 times, or 50% fumoethyl aluminum wettable powder + 70% mancozeb wettable powder 2000 to 3000 times, or 75% chlorothalonil wettable powder 2000 to 3000 times. Or 1500 to 2000 times of aldicarb wettable powder, or 1500 to 1000 times of 84.51% aldicarb ethyl phosphonate soluble water, or 60 to 1000 times of furol ·manganese zinc wettable powder, or 52.5% oxacarbazide cyanide water dispersible granules 1500 to 2000 times, or 76% cream ·ethylphosphine aluminum wettable powder 1500 to 1000 times, spray once every 7-10 days, 2-3 times in a row.
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Farmers grow towel gourd, they should know the main varieties of towel gourd.
1 fat head towel gourd, also known as Hechuan towel gourd. Mid-late ripening, oblong fruit, green peel, striped, dense white short hairs and deep horizontal frown. Melon.
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In December, when citrus is planted, winter fertilizer should be applied like this.
Recently, many fruit growers on WeChat asked when to apply winter fertilizer for citrus fruit trees and young trees. What kind of fertilizer should I apply? One.
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