First, prevent the growth of the seedlings, cultivate the seedlings of the strong seedlings, use 50-100ml/kg of chlormequat solution or use 2000-4000ml/kg of the long-term solution or 100-150ml/kg of paclobutrazol solution in the seedling stage. Spray leaf treatment can prevent seedlings from growing.
Second, to prevent falling flowers and fruit, improve the fruit setting rate in early spring greenhouse tomato cultivation, because the greenhouse temperature is low, the humidity is large, it is easy to cause poor pollination or dysplasia and a large number of fruit drop. When the tomato is flowering, it can be treated with 15-20 ml/kg of 2,4-D flower, or sprayed with 30 ml/kg of tomato spirit liquid to reduce the flower drop and increase the fruit setting rate.
Third, promote growth, prevent the squash in the 1-2 days after the flowering of the cucumber, spray with 100ml / kg of "nine 2020" solution, can promote the growth of melon strips, prevent melon; 2 to 3 days after cucumber flowering, Spraying the melon with 100ml/kg of cytokine solution can accelerate the growth of the melon.
Fourth, control the sex, open more female flowers in the cucumber 2-3 true leaf stage, spray the seedlings with plant growth regulators, can promote the development of female organs of cucumber, open more female flowers, so that the plant has almost female flowers within 20 knots Born, so that more cucumbers and increased production.
5. Promote early maturity and improve quality When the tomato fruit begins to whitish, spray the fruit with 1500 ethephon solution, or use the cotton ball with ethephon solution to spread the fruit, which can accelerate the fruit turn and improve the quality. Generally, it can be early 5 - 7 days of maturity; after picking the first and second spikes of tomato, spraying the whole plant with 1500 ml/kg solution of ethephon solution can make the fruit turn red quickly and improve the economic benefits of greenhouse vegetable cultivation.
Sixth, to prevent premature aging, enhance the stamina in the cassava, solanaceous vegetables in the fruiting period, spray 2-3 times with 3000 times liquid "820" solution, can prevent premature senescence of stems and leaves, enhance the growth and development of vegetable plants, extend the results period Generally, the yield can be increased by more than 10%.
Second, to prevent falling flowers and fruit, improve the fruit setting rate in early spring greenhouse tomato cultivation, because the greenhouse temperature is low, the humidity is large, it is easy to cause poor pollination or dysplasia and a large number of fruit drop. When the tomato is flowering, it can be treated with 15-20 ml/kg of 2,4-D flower, or sprayed with 30 ml/kg of tomato spirit liquid to reduce the flower drop and increase the fruit setting rate.
Third, promote growth, prevent the squash in the 1-2 days after the flowering of the cucumber, spray with 100ml / kg of "nine 2020" solution, can promote the growth of melon strips, prevent melon; 2 to 3 days after cucumber flowering, Spraying the melon with 100ml/kg of cytokine solution can accelerate the growth of the melon.
Fourth, control the sex, open more female flowers in the cucumber 2-3 true leaf stage, spray the seedlings with plant growth regulators, can promote the development of female organs of cucumber, open more female flowers, so that the plant has almost female flowers within 20 knots Born, so that more cucumbers and increased production.
5. Promote early maturity and improve quality When the tomato fruit begins to whitish, spray the fruit with 1500 ethephon solution, or use the cotton ball with ethephon solution to spread the fruit, which can accelerate the fruit turn and improve the quality. Generally, it can be early 5 - 7 days of maturity; after picking the first and second spikes of tomato, spraying the whole plant with 1500 ml/kg solution of ethephon solution can make the fruit turn red quickly and improve the economic benefits of greenhouse vegetable cultivation.
Sixth, to prevent premature aging, enhance the stamina in the cassava, solanaceous vegetables in the fruiting period, spray 2-3 times with 3000 times liquid "820" solution, can prevent premature senescence of stems and leaves, enhance the growth and development of vegetable plants, extend the results period Generally, the yield can be increased by more than 10%.
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