Apply scale potassium fertilizer. Prior to nursery, before planting or when preparing nutrient soil, appropriate amount of potassium fertilizer can be applied to promote the conversion of undetermined flower buds to female flowers. Short lighting treatment. 8-10 hours of short-term light, is conducive to the formation of more female flowers, cucumber seedlings more, for this purpose, can be used to create a short light conditions. Spray ethephon. The cucumber seedlings were sprayed with 100-150ppm of ethephon at one leaf stage, and sprayed once again in the second leaf stage after 5 days. This method can increase the female flower rate by 70%. Big temperature difference nursery. The true leaf stage of 1-2 cucumber seedlings is at the bud differentiation stage. At this time, a large temperature difference treatment can promote differentiation of female flower buds and improve seedling quality. Therefore, it is advisable to maintain the temperature 25-28°C, the night temperature 15°C, and the ground temperature 20-23°C. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone Food Grade Gelatin,Food Additives Gelatin,Bovine Gelatin Powder,Edible Gelatin Powder Hebei Haodong Biological Technology Co.,Ltd. , https://www.hdgelatin.com