Spray DA-6 once with 8-15 mg/L liquid at the beginning of flowering, after fruit setting, and during fruit expansion. It can preserve flowers and fruits, increase fruit setting rate, make fruits uniform in size, good in color, sweet in taste and increase yield.

Cultivate strong seedlings
Strong watermelon seedlings are the basis for high yields. Strong seedlings have large and plump cotyledons and true leaves, dark green and shiny colors, well-developed root systems, many hairs and wax powder on the leaves, and are free from diseases and insect pests.

The effect of spraying brassinolide on pitaya is to increase the number of fruits and increase the yield; increase the vitality of pitaya pollen effectively, increase the number of flowers, and promote the fertilization of pollen; promote the expansion of pitaya and increase the fruit weight; improve the quality of pitaya, and increase the commodity rate.

The principle of lychee shoot control and flower bud promotion is that according to the requirements of the flower bud differentiation period of different varieties, the shoots should be pumped 2 to 3 times at the right time after harvest, and the winter shoots can be controlle to promote flower buds after the last autumn shoots turn green or mature.
differentiated management measures.