Traditional Culture Encyclopedia - Weather inquiry - How to raise tomatoes is easy to bear fruit
How to raise tomatoes is easy to bear fruit
First, how to raise tomatoes easily 1. Avoid the influence of high temperature and reduce the temperature in the greenhouse. When the growth temperature of tomato exceeds 35℃, the plant nutrient consumption is too high for a long time, which leads to the obstruction of flower bud differentiation, poor flowering and fruit setting, and flower and fruit shedding. Therefore, from 0: 00 a.m. to 3: 00 p.m. in 165438+, cover the net in the morning to reduce the light intensity, and spray water at noon or use sprinkler irrigation system to reduce the temperature in the shed.
2. Spraying growth regulators to prevent overgrowth. Excessive temperature can also lead to excessive growth of plants. Spraying plant regulators will balance the vegetative growth and reproductive growth of tomatoes. In order to inhibit the vegetative growth of tomato, enhance photosynthesis, promote the reproductive growth of tomato, and improve the fruit setting rate, 500 times of Zhuang Zhuang Su solution or 1500 times of Lv Zhuang Su solution are commonly used.
3, the lower part of the fruit is appropriate to avoid too much fruit. Many farmers adopt the method of leaving 5-6 fruits per ear in the early stage, which can inhibit the vigorous growth of plants and promote fruit setting. However, excessive nutrition in the lower part and insufficient nutrition in the upper part of tomato will affect fruit setting. Therefore, the excess fruit under the plant should be cut twice. For the first time, when the fruit grows to the size of soybeans, all the big, small and deformed fruits should be removed. When it grows to the size of grapes, it is mainly to remove abnormal fruits to reduce nutrient consumption and promote tomato flowering and fruiting.
4. When the temperature is high, the proportion and concentration of anthers should be reasonable. If the anther concentration is too high, the plant will suffer from hormone poisoning and the result will be abnormal, so the anther concentration should be appropriate. It is suggested that 2ml of 2% 2,4-D be diluted with water into a mixture of 1l, and then 4ml of brassinolide and 2g of boron chelate are added. The experimental results show that this method has a good effect, can improve the fruit setting rate, and has fewer abnormal fruits.
Second, how to raise tomatoes by yourself to improve the fruit setting rate of tomatoes. Many people like eating vegetables. The taste is sweet and sour, and the vitamin content is also very rich, which is the best match for many dishes. Nowadays, no matter in the greenhouse or on the balcony at home, people always like to grow some tomatoes, but in the process of planting, they often encounter the problems of poor fruit setting and low fruit setting rate.
Generally speaking, there are many ways to improve the fruit setting rate and fruit setting rate of tomatoes. It should be used flexibly according to the actual planting situation. Of course, it is not recommended to simply increase production and destroy the ecological balance of aquaculture.
3. When is the best time to grow tomatoes? Tomato is a popular eggplant vegetable, which can be planted in China. However, due to different climatic conditions, tomatoes also have the characteristics of high temperature resistance and frost resistance. It requires that the average daily temperature in the whole growing period should be above 15 degrees, whether it is high temperature or rainy weather, so the planting time varies greatly.
If plastic film is not covered, the most suitable daily temperature and night temperature for seedling and plant growth are 24-28℃ and 15- 18℃, respectively. You can choose to sow in late April to early May and harvest in late June.
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