Ethephon is also called a test spirit. In recent years, it has been continuously applied and promoted in production. The application of ethephon is introduced as follows:
First, the application of ethephon on cotton. 100-150 ml of ethephon per acre is 30 kg of water, sprayed in the cotton field of late-maturing and ripening about 20 days before the frost. Can increase the pre-frost flower by about 70%. It can also receive better results when the unbleached cotton peach is sprayed in vitro.
Second, the application of ethephon on corn. At the end of the corn leaf, 40% of ethephon 50 ml per acre is 15 kg of water, and spraying on the corn field can reduce the plant height by about 25 cm, the stem section becomes thicker, the double ear rate increases, the lodging resistance is enhanced, and the baldness is increased. The tip is reduced, the lateral roots are increased, the tassel neck is short, and the maturity period can be 3-5 days earlier.
Third, the application of ethephon on persimmon. The lyophilized aqueous solution of 750-1000 ml/L is used to spray the persimmon with 2000 ml/L of ethephon solution after spraying or picking in the persimmon yellow ripening stage, and the temperature can be removed at 22-26 ° C for 2-4 days. astringent.
Fourth, the application of ethephon on tomato. The fruit in the color-changing period is taken and placed in a 2000-4000 ml/L ethephon solution for one minute, and ripened in an environment of 20-25 ° C, and turned red ripe for 2-3 days. If most of the fruit is about to mature and the plant is about to be pulled, the plant can be sprayed with a 1000 ml/L ethephon solution for centralized marketing.
5. The application of ethephon on watermelon. When the watermelon grows to a fixed period, the surface of the melon can be smeared with a 200-300 ml/L ethephon solution in a sand cloth, and the melon can mature 5-7 days earlier. Soluble solids in juice increased by 1-3%, increasing sugar content and sweetness.
Sixth, the application of ethephon on cucumber. Spraying 200-300 ml / liter of ethephon aqueous solution in the second leaf stage of cucumber, spraying once every other week, can effectively increase the female flower breeding rate and increase the yield of cucumber.
7. Application of ethephon on zucchini. Spraying 100-200 ml/L of ethephon solution in 2-3 slices of zucchini can effectively increase the fruit setting rate of female flowers.
Eight, the application of ethephon on flowers. Spraying the leaves and leaves of the chrysanthemum with a concentration of 1000 ml / liter of ethephon can effectively inhibit the internode elongation and flower bud development of chrysanthemum.
When spraying the plant growth regulator ethephon, be sure to pay attention to: no heavy spray, no leakage.
Huaxian Agricultural Technology Promotion Center Li Dongxia
Diamond Wire For Magnetic Material Cutting
When the electroplated Diamond Wire is cut, the workpiece is scratched by the diamond abrasive particles on the circumferential surface. Electroplated diamond wire cutting is widely used in the field of hard and brittle material processing due to its high cutting efficiency and little damage to raw materials. Compared with other hard and brittle materials, magnetic materials such as neodymium, iron and boron have similarities and differences. Magnetic materials such as neodymium, iron and boron are mostly made by powder metallurgy process, and there are large lattices and voids inside the materials. It has a certain influence on the electroplated diamond cutting wire.
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