Usage of Ethephon

Introduction: ethephon, organic compound, pure product is white needle crystal, industrial product is light brown liquid What about the use of ethephon? Come and have a look with you! Ethephon is only to promote the maturity of tobacco, the key is to manage the fertilizer and water in the field Only by taking scientific management measures can we get economic benefits What about the use of ethephon? Let's have a brief introduction of Baibai safety net! The use of ethephon is as follows: 1 Treatment of stem and leaf in the later growth stage: the whole plant spraying method is generally used In the early and middle days, spray 500-700mg / kg of ethephon solution (i.e 62.5-87.5ml of 40% ethephon solution per mu, 50-100kg of water) on sunny days After 3-4 days, the tobacco plants can turn from green to yellow, just like natural maturity In the late days, the concentration should increase to 1000-2000mg / kg, and after 5-6 days, the light green leaves can turn yellow It can also be prepared into 15% Ethrel solution and applied around the stem at the base of the leaf, or the epidermis of the stem can be peeled longitudinally about 1.5cm wide and 4cm long, and then applied with Ethrel technical, 3-5 days, the tobacco leaves above the applied part can fade and promote yellow The duration of ethephon effect on tobacco is 8-12 days, and it can also be used twice for lower leaves and upper leaves in tobacco growing season 2 The treatment of Postharvest tobacco leaves: the newly harvested tobacco leaves are dipped in ethephon solution with concentration of 500-1000mg / kg, and then baked The color of the flue-cured tobacco leaves is yellow Or in the process of tobacco curing, put the container of ethephon solution with concentration of 450 ～ 700mg/Kg in the curing room to release ethylene gas by itself, which can promote the yellowing of tobacco and improve the grade of tobacco The above is a small edition for you about the use of ethephon some of the content, I hope to help you oh! If you want to know more about food safety Please pay more attention to Baibai Security Internet bar! Editor in charge: Wang Xiujuan