How to prevent tomatoes from growing into deformities, and what happens when tomatoes grow deformed?

1) Avoid low temperature at seedling stage: the night temperature should be above 8, at least not below 5 for many consecutive days.

2) Avoid over-fertilizing, especially too much nitrogen.

3) Don't over-irrigate.

4) The first flower of each inflorescence is prone to coincident flowers with deformed fruits, which should be thinned before dipping the flowers.

5) Use the method of smearing to treat the flowers, and the dosage should be appropriate.

Make up some calcium fertilizer, why do you look like a disease?

The main measures for the prevention and control of tomato deformed fruit are as follows:

First, variety selection.

Choose excellent varieties with high yield, strong stress resistance, especially insensitive to low temperature.

Second, agricultural measures.

During the period of tomato seedlings, heat preservation measures should be taken, especially the temperature of 2 4 true leaves should not be lower than 12 continuously, so as to promote the healthy growth of seedlings. Strengthen the management of fertilizer and water in the seedling stage, while properly controlling fertilizer and water, it is necessary to prevent partial application of nitrogen fertilizer, and achieve the combined application of nitrogen, phosphorus and potassium, so as to avoid excessive growth of seedlings and excessive nutrient accumulation, resulting in abnormal flower bud differentiation and eventually leading to deformed fruits. Rational use of growth hormone, one is to dip the flowers when 50% of the flowers in the first panicle are open, and the dipping time is 8:0 a.m

00 10:00 and 3:00 4:00 p.m

00 is appropriate, and according to the temperature in the protected area at that time, flexibly grasp the concentration of its use, and dip the flowers in strict accordance with the concentration of the instructions for use, if the temperature is high, the concentration can be lower, and stop dipping the flowers with the rise of the outside temperature.

There are many reasons for tomato deformity, low temperature in the flower bud differentiation and development period, low temperature drought in the seedling stage, long flower bud differentiation time, improper use, etc., after the uncomfortable stage, the conditions are suitable, it will cause fruit cracking, fruit, of course, some varieties are not adaptable, there will be more, mainly caused by external factors. In addition to variety selection, reduce the dosage, the use of ecological bulking agent, the key is seedling and seedling management, regulate temperature and humidity, and avoid excess nutrition at the seedling stage, that is, the seedling stage to master better soil conditions, can not be too dry and too wet, and low temperature, to maintain its normal growth and flower bud differentiation, humidity and temperature coordination in order to reduce deformed fruits. Spraying Kao 3 at the flower bud differentiation stage can control the crazy growth of branches, and the assimilation induction can promote the transmembrane signal conversion of plant cells, forcing a large amount of nutrients from the top tips to return, and the main nutrients of the main stem can be transferred to the young fruit development system to improve the fruit expansion and vitality.

The main reason is that the nutrition is very unbalanced, and secondly, it is also because the sun's light and moisture are particularly inconsiderate, so such a problem will occur.

Pay attention to the use of pesticides, pay attention to the use of fertilizers, pay attention to watering, pay attention to the condition of the soil, plant scientifically, and pay attention to the situation of the variety.

There are many reasons for this, such as insect infestation. My family has also grown tomatoes before, and this tomato still bears a lot of fruit, but some of them will be deformed. For example, after some tomatoes have been bitten by ants or mosquitoes, their growth is prone to deformity.

I remember when my mother used to grow tomatoes, it was because ants climbed up and gnawed these tomatoes, and some of them only broke their skins, and when they grew later, the broken skin turned into pimples, and they looked ugly. <>

There are also some birds, if they have bitten or pulled some feces on it, it may cause the tomatoes to appear deformed, after all, the place where the birds have pulled the feces, there are germs, and the light is less so that the temperature is not enough will appear deformed, which is also normal. This also tells us that when planting tomatoes, we must avoid some insect pests, and making a few scarecrows in the place where tomatoes are grown, or hanging a few clothes fluttering there, can also effectively drive away these birds and insects. <>

Nutritional deficiencies and improper pollination are also prone to tomato deformities. The cultivation of tomatoes also requires a variety of nutrients, and for tomatoes to grow deformed fruits is very large, in the case of a lack of three elements. The first is calcium deficiency, in fact, it is normal for calcium-deficient tomatoes to grow deformed, after all, tomatoes also need some trace element calcium.

The second trace element, then boron, don't underestimate this element, it is easy to cause deformed flowers and deformed fruits. Of course, it is also necessary to properly fertilize and supplement some nutrients, especially some compound fertilizers, which are more convenient to use, can supplement a variety of trace elements, and reduce the occurrence of deformed fruits. <>

In addition, when spreading pollination, if the operation is not done properly, or even the pollen quality is not good, then there will be a situation of growing deformed fruits, so when we choose pollination, we must choose some pollen of good quality, otherwise it will affect the appearance.

Some pesticides should be sprayed in advance, and at the same time, you should learn to pollinate manually, and you should water and fertilize regularly.

1. Reasonable control of the temperature in the shed: especially in summer, pay attention to control the temperature in the shed not too high, can not be higher than 35 for a long time, and can be cooled by flood irrigation, pulling shade nets, spraying cooling agents and other measures. 2. Rational use of dipping anthers:

Pay attention to the concentration of dipping flowers, and reduce the concentration accordingly with the increase of temperature, and the concentration of dotting flowers will be too high and "burn flowers". In general, spot anthers 2,4-d are used at a concentration of 10 20 ppm, and the higher the spikes, the lower the concentration of anthers. 3. Timely fruit thinning:

Once the deformed fruit is found, it should be thinned in time, especially the ear fruit with a delay in autumn, due to the high temperature in the early stage, it is easy to form deformed fruit, and early thinning prevents nutrient waste. Moreover, the spike fruit is not easy to leave too many fruits, generally 2-3 normal fruits are enough. Fourth, scientific fertilization:

Special attention should be paid to the supplementation and application of calcium, boron and other trace elements. Calcium fertilizer is mainly supplemented by base fertilizer (ensuring that pure calcium oxide is not less than 30kg mu), while boron, magnesium and other elements can be supplemented by foliar spraying.

It may be that the tomato is planted too densely, the moisture of the tomato can't keep up, and the nutrition can't keep up, so it will grow into a deformity. Supplement more nutrients so that you can avoid the growth of deformities.

This is due to a problem with the variety, or a problem with the environment in which it grows, or because it has mutated, or because it has been infected, or because it has been infected.

There is a problem with the light time, and the proper fertilizer is not added, which is why the tomatoes will grow into a deformed shape.

I think it has to do with human causes, temperature reasons, fertilization reasons, soil reasons and air reasons. So when this happens to the plant, it must go to ** in time.

Tomato deformed fruit is one of the common diseases of tomato, and it can be threatened by protected land and open field cultivation. The following is a list of the reasons for the deformed tomato fruit, let's take a look! Causes of tomato deformed fruit (1) Low temperature.

In the stage of flower bud differentiation and development, if the low night temperature of --day is encountered for consecutive days, it is easy to produce deformed fruits. The first panicle fruit of the tomato stubble in early spring is prone to produce deformed fruits, which are mostly caused by low temperature or drought. (2) Long seedling stage.

Low temperature or drought lasts for a long time, seedlings are in inhibited growth conditions, and the development period of flower organs is elongated, and it is easy to be corked. Under suitable conditions, the corked tissue could not adapt to the rapid growth of the tissue, and it was easy to form cracked and scarred fruits. (3) Unreasonable fertilization.

Too much nitrogen fertilizer will cause flower buds to differentiate, increase the number of ventricles, and form multiventricular malformed fruits. (4) Improper use of hormones. Use 2, seedlings or tomato spirit mixed with flowers, if the concentration is too high, or repeated after flowering, or cool with medicants.

Add 2 to the flowers, or tomato spirit mixed with flowers, it is easy to produce deformed fruits. In the absence of flowering, the agent is used. The concentration of growth regulators injected into seedlings is large or the number of times, and then doped in flowers, it is also easy to produce deformed fruits.

The pathogenesis of tomato deformed fruit mainly depends on the quality of flower bud differentiation. In general, 3-6 days after tomato germination, 1 true leaf begins to differentiate, 1-6 days, the first flower begins to differentiate, and 60 days the third flower also begins to differentiate. At this time, the seedlings have grown to 1 true leaf and have budded or flowered.

The above-mentioned process is completed in the seedling stage, when the inflorescence formation at the seedling stage encounters low temperature, sufficient water, and more nitrogen fertilizer, the flower buds are over-differentiated, and the multi-carpel deformed flowers are formed, and the fruit is peach-shaped, tumor-shaped or finger-shaped, etc.; If the seedling age is elongated, the low temperature or drought time is long, the seedling is in a state of inhibition growth, the flower is easy to embolize, and then turn to suitable conditions, the corked tissue can not adapt to the rapid growth of the internal tissue, then the formation of cracked fruit, scar fruit or column exposed fruit: therefore, there are more deformed fruits in the low temperature and rainy years in winter and spring, and a few in late spring or summer and autumn. Prevention of the occurrence of tomato deformed fruits(1) Select varieties that are not easy to produce deformed fruits, and remove them in time after the deformed fruits appear, so as to facilitate the development of normal flowers and fruits.

2) Do a good job in light and temperature control, and cultivate strong seedlings with strong resistance to stress. Advocate the use of light ** rapid seedling; After the seedlings break their hearts, they need sufficient light and timely ventilation. Night temperature and evening temperature are conducive to flower bud differentiation and raise seedlings of about 60 days.

3) Strengthen fertilizer and water management to prevent plant growth. Formula fertilization is used to meet the nutritional status required for plant growth and development, avoid over-fertilization, and prevent differentiation into multicarpels and the formation of ribbon-like flat flowers. (4) Rational use of growth regulators.

Seedlings appear to be inches long. However, on the basis of strengthening ventilation and proper humidity control, spray 85% of the specific length (B9) soluble powder 2000 wind soluble powder 2000 wind power to control the length. It can improve the quality of seedlings without affecting flower bud differentiation.

Tomatoes (tomatoes) are prone to deformed fruits, and the fruits exhibit deformed and strange shapes, such as spire-shaped; The umbilicus is prominent, like an olecranon; polygonal; neoplasia (prominent nodulous protrusions in the umbilicus or proximal pedicle); Half-top shape (the top of the fruit is swollen, and the other half is not swollen or not swollen enough, forming a half of the fruit top). It happens for the following reasons:

1. Low temperature. In the flower bud differentiation and development period, if the low night temperature of 3 4 is encountered for 5 6 consecutive days, it is easy to produce deformed fruits. The 1st and 2nd ears of winter and spring tomatoes are prone to deformed fruits, which are mostly caused by low temperatures.

2. The seedling stage is elongated. If the low temperature or drought lasts for a long time, the seedlings are in the condition of inhibiting growth, the development period of the flower organ is elongated, and it is easy to be corked, and then transferred to suitable conditions, the corked tissue can not adapt to the rapid growth of the tissue, and it is easy to form cracked fruits and scar fruits.

(3) Unreasonable fertilization. Too much nitrogen fertilizer will cause the flower buds to be over-differentiated, the number of ventricles will increase, and multi-ventricular malformation fruits will be formed.

(4) Improper use of hormones. In order to prevent flower and fruit dropping, 2,4-d or tomato spirit is often used to dip the flowers, if the concentration is too high, repeated dipping of the flowers, or the temperature is too high when dipping the flowers, the soil is dry, etc., it is easy to produce deformed fruits. The unopened flowers are dipped in medicine, and it is easy to produce hollow fruits.

In addition, when the seedlings grow, the use of plant growth regulators with a large concentration or many times to control the seedlings, and then dip in the flowers are also easy to produce deformed fruits.

The influence of tomato varieties, in fact, the appearance of deformed fruits has a lot to do with the factors of variety, and the varieties of fresh tomato fruits are very easy to get sick, and the disease will be very serious. The first is to raise and select seedlings correctly. When selecting seedlings, for those seedlings that are too large, but only have four or five leaves, we must pay attention, because it is very likely that some drugs are used to control its growth, and it will be easy to appear The above question Tomatoes are one of the fruits and vegetables that are most prone to deformed fruits, such fruits, not only affect the appearance, but also directly affect the economic benefits.

The production of deformed fruits is not sudden, but has a long-term development process, and some deformed fruits can be the direct cause of deformed fruits at the time of flowering: the water and nutrients ** are too sufficient during flower bud differentiation and development, which exceeds the normal demand, and encounters a low night temperature of about 6 or less than 20 in a row, which is easy to induce polycarpel deformed fruits; The concentration of dipped anther liquid is too high, and the dosage.

<> tomato deformed fruit refers to various deformed fruits of tomato at low temperature, insufficient light, poor management of fertilizer and water, and improper use of plant growth regulators. Strengthen fertilizer and water management. Whether tomato fruit can develop into normal fruit mainly depends on the quality of flower bud differentiation.

Usually 25-30 days after the tomato germinates, 2-3 true leaves, the first inflorescence begins to differentiate. 35 40 days of the second flower began to differentiate, 60 days of the third flower also began to differentiate, if in the winter and spring seedling period, in 3 to 4 hours in a row about a week night temperature below 8 degrees, the first ear fruit has deformity, such as until the 7th leaf or this continuous low temperature occurs, the first 3 ears of fruit will have deformed fruit.

Tomato is also called tomato, is one of the more common vegetables, planted in various parts of our country is more common, with tomato can not only make a variety of food, but also can be eaten raw, the taste is excellent, rich in vitamins, deeply loved by the public, but inTomato flower bud formation and differentiation are sensitive to temperature, and tomatoes are planted from May to August, which is the period of high temperature, and higher temperature is not conducive to flower bud differentiation and development. Tomato seedlings are more than 8 hours a day, and the temperature is low between 6 and 8 degrees Celsius.