0.025% sodium naphthaleneacetate It is safe for humans and animals, has no pollution to the environment, and has obvious economic benefits. After using the cream, it can mature 5-7 days early, increase single fruit weight by 10-20%, and reduce strawberry cracking. .
The correct method should be used to use the ointment, and the supporting management measures will follow up. Otherwise, it will not achieve the desired effect:
First, the suitable varieties are early-maturing varieties such as Tongzi No.1 and Strawberry Prince.
Second, the use time: 15-30 days after the flower thank, 35 days after the effect is not obvious.
Third, the use of: hand wearing a film glove with a thumb and index finger to apply the ointment to the upper part of the fruit handle of strawberry young fruit, so as to avoid contamination of the fruit surface by the drug, do not need to apply too much. If the temperature is low, it is not convenient to squeeze, you can put the sun in the sun and make it slightly soft.
Fourth, pay attention to matters. 1. Be careful not to apply to the young fruit. If the fruit sticks with the ointment, it will cause stains. 2, must first thin fruit, and can not leave too much fruit. Otherwise it will affect the yield of the next fruit. 3. The application amount of strong fruit fertilizer should be increased to enhance the growth potential of the tree. 4. A seedling should not be coated with all the fruits. Generally, only 30-40% of the whole tree is applied, and the young fruit near the base of the seedling is applied. 5, harvested in batches. The fruit of the ointment is first collected, and the uncoated ointment is still able to continue to increase.
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