1. Adding soymilk When silkworms enter the fourth-year ingestion period or the third-day of fifth instar, the fresh soymilk is sprinkled on the mulberry leaves, which can reduce the use of mulberry by 10%, increase the body weight of silkworm by 5%, and increase the healthiness of silkworms. 3%, shortening the age of 2 days, silkworm cocoon production increased by more than 8%. The method of adding soybean milk is: use 50 grams of soybean powder, add 1000 grams of warm boiled water at 40°C to 50°C, soak for 30 minutes to make soybean milk, and evenly sprinkle on 10 kg fresh mulberry leaves, every day at noon and 4 pm Each feed once, in the process of feeding, to avoid the use of drugs such as chloramphenicol, sulfa oxime, to prevent drug failure or cause silkworm poisoning. 2. Adding the ecdysis hormone Silkworm ecdysone is a substance derived from plants or artificially synthesized like an insect hormone. It is fed once when the normal silkworm matures at 5%, or it is used for deficiency within 2 days before the maturity of the 5th instar silkworm. Leaf or diseased silkworms can adjust the silkworm ripening period to make the silkworm mature in the same way, reducing the 5th instar period by 8 to 12 hours, facilitating the concentration and management, and adjusting the balance of leaves and silkworms. Method is: Each silkworm with 40 mg of ecdysone, mixed with 2000 grams of cold water, fully stirred, evenly sprayed to 15 to 20 kilograms of mulberry leaves, once to eat silkworms. When dispensing, pay attention to the cleanliness of utensils and water, and use it now. If the temperature after feeding is lower than 21°C, try to warm it up. 3. Adding clear water to autumn silkworms to increase the moisture content of mulberry leaves by adding fresh water to meet the needs of silkworms, which can effectively improve the yield and quality of autumn silkworms. The effect is best for early autumn silkworms and mid-autumn silkworms. In the early autumn, the silkworms added fresh water. Compared with the fresh leaves, the total amount of eucalyptus increased by 13%, the amount of alfalfa layer increased by 16%, and the rate of alfalfa layer increased by 2.6%. Compared with the rearing of fresh leaves4, the total alfalfa increased by 2.3%, the alfalfa layer increased by 4.3%, and the alfalfa layer increased by 2.1%. The method of adding clear water is to spray the mulberry leaves with fresh water (preferably well water) before and after each scab, with no dripping water as the degree, and then used to feed silkworms, generally feeding at high temperatures every noon. The humidity at night and in the rainy days is large, and it is not necessary to feed them. When the silkworms are hypnotic and satiety, they may not be fed. 4. Sprinkle the mulberry leaves with fruit preservatives and apply 50 times liquid preservative to the surface of the mulberry leaf evenly to form a thin layer of polymer membrane. Add the atmospheric repulsion coefficient to suppress the leaf surface moisture transpiration. The role of the mulberry leaves can maintain good freshness after 24 hours from the tree, so that the moisture content is still between 17% and 21%. When this type of mulberry leaves is fed to 5th instar silkworm, the development of silkworm can be shortened by 2% to 3%, the amount of mulberry is reduced by 1.4% to 1.8%, the amount of residual mulberry is reduced by 3.5% to 6.8%, and the rate of wormwood is increased by 4% to 6%. %, 50 grams of dried wolfberry increase by 5% to 8%, leaf silk conversion rate increased by 5%, and the output value of 50 kg of mulberry leaves increased by about 10%. The spraying method is: on the afternoon of the day before the leaves, in the mulberry garden directly 50 times the liquid preservative, spraying with sprayer on the positive and negative sides of the mulberry leaf, to spray evenly not drip down the water is appropriate. Pick up once at around 8 o'clock the next day, store it as usual and supply it for 24 hours. The sprayer used for spraying should be used exclusively. Sprayers that spray pesticides should not be used to prevent residual pesticides from contaminating the mulberry leaves and causing poisoning. 5. Spraying mulberry triacontanol with triacontanol is a novel plant growth regulator. The leaf surface of mulberry leaf that is sprayed on the mulberry tree not only improves the yield and quality of the mulberry leaf, but also enhances the constitution and quality of the mulberry leaf after nibbling on the mulberry leaf. The spraying method is: In a clean non-toxic sprayer, pour appropriate amount of fresh water, and then in accordance with the concentration of 0.5PPM, pour a certain amount of triacontanol, and spray evenly onto the mulberry tree with full stirring. Mulberry leaf is positive and negative. Both sides should be sprayed. Per mu of mulberry spray dilution 100 ~ 150 kg, once with triacontanol 50 ~ 75 ml, spraying time in the use of leaves before the 7 to 9 days, the general spray once, with May is appropriate. China Agricultural Network Editor
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