There are many prevention and control methods for the causes of towel gourd rotten flowers.
The ratio of dipping anther: dipping flower medicament is generally based on Zugualing, naphthylacetic acid, 2pyrrolidine D, and then dipped in flowers with appropriate amount of nutrient solution and agents for prevention and control of Botrytis cinerea, the effect is very ideal. Smoke method to control rotten flowers: smoking method is a method to control towel gourd rotten flowers. Usually 3-4 days after dipping flowers is the key period for the occurrence of rotten flowers, and it is also the best time for smoking to prevent and control rotten flowers. Pythium smoke agent and chlorothalonil smoke scavenger can be used alternately, and sclerotia net can also be used for control, but the dosage of sclerotia net should not be too large, so as not to cause drug damage and affect the development of plants and fruits. Generally every 667 square meters with sclerotia net 200 grams, and smoking time had better be controlled within 8 hours. Spraying to control towel gourd rotten flowers: style blackening, mostly caused by lack of boron, should be solved by spraying 600x borax or 1500 times liquid speed boron before loofah blossoms. The rotten water has a bad smell and should be bacterial soft rot, which can be sprayed with DT500 solution mixed with streptomycin 3000 times. There are small black spots on the dried edge of the flower, which should be vine blight, which can be sprayed with 600x liquid of chlorothalonil and 1200 times liquid of chlorothalonil. Prevent drug damage to flowers: loofah flowers are delicate, improper spraying is easy to cause drug damage, resulting in transparent white spots, reducing the sale price of towel gourd. When spraying in the flowering period, we must pay attention to the selection of safe agents, and the spray concentration should be used in accordance with the instructions, do not increase the concentration at will, so as to avoid drug damage.
- Prev
Technical time of autumn planting of towel gourd
After the autumn towel gourd was sown from the middle and late July to the first and middle August, the growth and fruiting period was experiencing high temperature, Rain Water was less, and the autumn wind was rising. It is very easy to cause the seedling vine to grow slowly, the result is less, the disease and insect pests are more, the income is less. Therefore, attention should be paid to the cultivation and management: first, to cultivate strong seedlings and to protect the whole seedlings (1) seed selection. Choose early.
- Next
It is not wrong to skillfully manage the seed and fruit of towel gourd in the later period.
Most vegetable farmers retain their own towel gourd seeds in the late stage of towel gourd. Generally speaking, the plant after leaving the seed will no longer carry on the normal production of towel gourd. However, it takes 80 to 90 days from towel gourd sitting to seed maturation, and only cultivating seeds in these nearly 3 months is bound to affect the efficiency of towel gourd production. If skillfully managed in the later period of towel gourd.
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