What about tomato growth?

When planting tomato, there will be many diseases that affect the yield and quality, and the growth of tomato is one of the more serious physiological diseases. Tomato grows weakly and causes premature senescence in serious cases. So what is the reason for the overgrowth of tomatoes? How to prevent and cure it? Let's take a look.

1. Reasons for overgrowth

There are many reasons for tomato overgrowth, in the seedling stage, the soil moisture is higher, the relative humidity is mainly at 80%, and more nitrogen fertilizer is applied, in this environment of sufficient fertilizer and water, the seedlings are very easy to grow. Or in continuous overcast and rainy weather, the humidity is higher than 50% Mur60% for a long time, insufficient light and too dense planting will also lead to excessive growth. In autumn, the temperature is very high, there is too much nitrogen fertilizer, and the planting time is too late.

2. Preventive measures

First of all, it is necessary to control the seedling age and plant in time, so as not to miss the best planting time, generally early-maturing varieties are colonized at 60 days of seedling age, and mid-late maturity at 70-80. It is necessary to do a good job of soil preparation, fertilization and light 15-30 days before planting, and dig a good drainage ditch to facilitate drainage and irrigation, which can reduce moisture and slow down seedlings in the rainy season. It is necessary to control the application amount of nitrogen fertilizer and apply fertilizer reasonably to promote the nutritional balance of seedlings. When the seedlings grow to a certain height, they should set up a frame to draw vines and prune leaves in a timely manner, so that the permeability between plants is good. At the same time, it can also be sprayed with growth regulators to prevent flowers and fruits from falling, improve the fruit setting rate of the plant, and be sure to ventilate and reduce the temperature and humidity when the temperature or humidity is too high.

3. Rescue methods

When the tomato has grown in vain, in order to minimize the loss, timely rescue measures should be taken, first of all, combined with ploughing and weeding to cut off part of the root system, reduce the root absorption and control the growth of the plant, but it is not suitable to cut off the main root of the plant. Then spray chlorophyll to enhance the photosynthesis of plants. For crazy-growing plants, squatting seedlings can be used to count down at the top and pinch out water under the third section, so that the transmission of plants is blocked and the growth can be inhibited to a certain extent.

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