The latest course on the management of tomato color conversion period

Tomatoes are a kind of vegetable that many people like to eat very much. They can be fried or used for cold salad. They are vegetables with high nutritional value and are welcomed by many people. Because the planting area of tomatoes is still relatively large, management is very important when planting tomatoes. Especially during the color transition. So how do you manage the tomato color change period? Let's take a look at it together with Xiaobian below!

1. Scientific fertilization

The color transition period of tomato is a very important growth period. This period directly affects the yield and quality of tomatoes. Therefore, we must first do a good job of fertilization. When fertilizing, organic fertilizer is the main one, combined with various nutrients. The most important thing is to apply appropriate amount of potassium fertilizer, which is very beneficial to the expansion and coloring of tomato fruits. It is important to note that potassium should be applied before the color conversion period, because potassium absorption by plants is not immediately absorbed and takes some time to be fully absorbed. If it is applied during the color conversion period, it basically has no effect.

2. Temperature regulation

In the tomato color conversion period, the adjustment of temperature is more important, and appropriate temperature increase is helpful to the coloring of tomatoes. However, we must pay attention to the degree of temperature increase. The ripening of tomato fruits is generally from bottom to top. Therefore, if there are only one or two ears of fruits and the temperature is changed, it is very unfavorable to the overall growth. And if the temperature is too high for a long time, then tomatoes are prone to various phenomena such as excessive growth, flower drop and fruit drop. Therefore, in the tomato color conversion period, the temperature during the day is maintained at about 28 degrees, and the temperature at night is maintained at about 15 degrees.

3, reasonable thinning leaves

After tomatoes enter the middle and late stages of growth, it is necessary to do a good job of thinning leaves. Reasonable thinning of leaves can improve plant permeability and promote fruit coloration. However, we must control the degree of thinning, not excessive thinning. During the color transformation stage, the main thinning objects were the old leaves, yellow leaves and diseased leaves of the whole plant. There are also some leaves that will block the sun, and must not remove the leaves at the lower part of the red fruit. Otherwise, it will affect the photosynthesis of the plant, resulting in reduced nutrient accumulation, which will not only affect the coloring of the fruit, but also hinder the expansion of the fruit.

4. Pest control

Finally, of course, we must do a good job in the prevention and control of pests and diseases. The humidity in the shed will increase, so the incidence of disease will also increase. Therefore, we should pay attention to the prevention and control of diseases and insect pests during the color conversion period, such as gray mold and early blight. First of all, reasonable ventilation and moisture removal, and then appropriate spraying of chemicals for prevention. After the disease occurs, pay attention to timely check out what the specific disease is. Then make corresponding measures, select corresponding chemicals for prevention and control. When spraying chemicals, it can be used with some foliar fertilizers such as chitin and amino acids, which can effectively enhance the resistance of leaves.

The above is a simple introduction to tomato color conversion management technology. Today's introduction is here, this article is for reference only, I hope to help everyone oh!