What should I do if the leaves of tomatoes are white and dry?

There are many reasons for the white and dry leaves of tomatoes.

1. Lack of water: In the process of tomato growth, if you can't replenish water in time, the branches and leaves will be in a state of dehydration, which will dry out. When curing, if you find that the soil is dry, you should water it immediately, generally 2-3 days, and you can water it once.

2. Pest and disease attack: When there are germs or insects on the plant, its leaves will be damaged, which will also cause the leaves to dry up. It is necessary to spray with drugs as soon as possible, and if pests and diseases are not controlled in time, tomatoes will easily die.

3. Improper fertilization: Tomatoes should be supplemented with fertilizer in time during the growth period, but if the fertilizer used is not fermented well, it will be easy to suffer from fertilizer damage, and the root system will be damaged, so that the leaves will dry out.

How tomatoes are cared for.

First, the maintenance method.

1. Substrate selection: its requirements for soil are relatively low, with deep soil, good drainage and air permeability and loam containing more organic matter, an appropriate amount of organic fertilizer can be applied as a base fertilizer before planting, which is conducive to the growth and development of plants, and the fruit is large and full. Potassium dihydrogen phosphate can be applied to fertile leaves before flowering.

Promotes its flowering and fruiting.

2. Light management: it is more light-loving, and the requirements for light conditions at different stages of growth are also different, no sunlight is needed during germination, and sufficient light should be given at the seedling stage and flowering and fruiting period, which is conducive to the development of seedlings and full fruits. If the ambient light is insufficient, it is easy to cause the flower buds to differentiate, and if the light is too strong for a long time, it is easy to cause the fruit to be burned by the sun.

3. Water management: its root system is relatively robust and developed, the water absorption is relatively strong, the leaf water evaporates quickly, and it is a drought-tolerant but water-demanding plant. At its seedling stage, attention should be paid to moderation of watering, the soil should not be too wet, and irrigation should be strengthened when flowering and fruiting.

Usually usually watered once every ten days or so, you need to pay attention to drainage, the soil is too wet to cause root rot, too dry is easy to make the leaves withered.

4. Temperature management: it likes a warm environment, cold tolerance is relatively poor, the seedling stage is suitable for 15 -25 temperature conditions, if the ambient temperature is lower than 15 or higher than 35, it will affect its flowering and fruiting.

Second, breeding skills.

1. Propagation method: its propagation method is based on the sowing method, the seedling soil is best to use garden soil and agricultural fertilizer according to the ratio of 1:1 configuration, after sowing should keep the ambient temperature at 25 -30 until the emergence of seedlings, and the ambient temperature should be maintained at night above 10.

2. Flowering promotion method: If you want to promote its flowering and fruiting, you can apply foot fertilizer before planting, properly top dressing and give enough sunlight after planting, and strengthen water and fertilizer management, including nitrogen fertilizer.

and potash fertilizer are conducive to the expansion and fullness of its fruits.

1. Symptoms. 1. Symptoms.

The damage is not obvious at the seedling stage, and begins to damage after flowering, the leaf color becomes lighter, atrophies, starting from the lower part of the leaf, then the upper part of the leaf, and finally the middle of the leaf, and finally withering and dying.

2. Pathogenesis characteristics.

1) It is easy to develop diseases under high temperature and humid conditions.

2) The temperature is above 30 degrees Celsius.

3) It rains continuously, or it is easy to get sick after raining.

4) Continuous cropping, poor ventilation, and poor management are also easy to get sick.

Second, prevention and control methods.

1) Choose disease-resistant varieties and 4-5 year rotation.

2) Don't water the ground too often.

3. Ideal medicine.

Using Bacillus subtilis with Trichoderma harzianum mycorrhizal irrigation has a better effect, and it is also worry-free and labor-saving.

4. Usage. 1. Root irrigation is best when the soil is dry and wet. The advantage of this is that it can fully kill the harmful bacteria and root pathogens in the soil.

2) The concentration should not be higher than 1500 times the solution, and it is best.

3) Do not water before root irrigation.

4) Symptomatic application according to the incidence of the disease.

The wilting and death of tomatoes, eggplants, and cucumbers is caused by many reasons, but in specific practice, it is necessary to flexibly use control methods. Only by doing so can the proud vegetable industry easily move towards the road to wealth.

The whitish appearance of tomato leaves may be caused by improper fertilization, which can occur when the nutrients are not balanced, and there will also be leaf wrinkles and scorched leaves. It may also be caused by insect infestation, when there is a spider mites, it will suck the branches and leaves of the plant, resulting in a lack of nutrients in the leaves, and in severe cases, there will be poor growth.

The humidity is high and the temperature is strong, and the strong light comes out after the rain, which can be sprayed with a biological pesticide, called the detoxification leaf exhibition or green exhibition, and the effect is achieved over and over again.

Tomato leaves are yellow and wilted, if it is caused by infection, it should be disinfected and sterilized before planting, the diseased branches and leaves should be pruned and destroyed, and then sprayed with fungicide**. If it is caused by insect infestation, it can be caught by hand and then sprayed with insecticide. If it is caused by lack of nutrients, you can fertilize tomatoes reasonably, and fertilize symptomatically to ensure nutrition.

If it is caused by overwatering, it should be watered in an appropriate amount, and ventilation should be maintained to promote the discharge of stagnant water.

First, ** disease.

Cause: The leaves of tomatoes begin to turn yellow and wilt, which may be the cause of infection, such as blight and root disease, which will cause the roots of tomatoes to rot, causing the leaves to begin to yellow, wither, and wilt.

Solution: Tomatoes should be disinfected and sterilized before planting. Determine the disease of tomatoes, then prune and destroy the branches and leaves with disease, and then spray fungicides to **, spray several times in a row, and completely eliminate the disease.

2. Suffering from insect infestations.

Causes: Tomatoes are not only infected with diseases, but also if they are infested, they may also cause problems with the tomato plant, causing the leaves to turn yellow and wilt.

Solution: Lift it to the soil for disinfection and sterilization, you can first capture it manually, and then spray insecticides to deal with it.

3. Lack of nutrition.

Reason: If the soil is alkaline, it will consume a lot of nutrients, and if the long-term fertilization is insufficient, it may lead to a lack of nutrients in tomatoes, which will eventually lead to yellow leaves and wilting.

Solution: Reasonable application of water-soluble fertilizer to tomatoes, if there is a lack of nutrients, you can apply symptomatic fertilization to ensure nutrition.

4. Overwatering.

Reason: If watering is too frequent, if the soil is too wet, it will lead to stuffy roots and yellow leaves.

Solution: Water the tomatoes in an appropriate amount, and the soil water should be kept ventilated, and the water in the soil should be discharged in time.

The curly and yellowish leaves of tomatoes may be caused by different types of viral diseases. Mosaic virus disease: can cause yellow-green spots on leaves.

Fern leaf virus disease: can cause the dorsal and veins of the leaves to turn purple and the leaves to curl upwards. Leaf-curling virus disease:

It can cause yellowing of the veins and upward curling of the edges of the leaves. Xanthomax virus disease: can cause leaf shrinkage, curly leaf edges, and dwarfing of plants.

Prevention and control methods. 1. Before sowing, soak the seeds with water for 3-4 hours, then soak them in 10% trisodium phosphate solution for 30-50 minutes, take them out and rinse them with water after soaking, and finally sow them after germination treatment.

2. Implement a crop rotation system, and the planting land should be rotated for more than 2 years before tomatoes can be replanted, and the soil can be turned deep once and some lime can be applied to passivate the virus in the soil.

3. Watering and fertilizing in a timely manner, and shallow hoeing should be done in time after the plant bears fruit to prevent the plant from premature aging due to soil compaction and defertilization.

4. In the early stage of the disease, spray with 20% morpholinoguanidine acetate copper wettable powder (500 times the liquid % Ningnanmycin water solution (150-250 times the liquid % bacterial poison clear water agent (300-500 times the liquid) and other drugs, spray once every 5-7 days, and spray 2-3 times continuously.

Extended information: What's going on with the curly yellow tomato leaves.

1. Infected with mosaic virus disease: yellow and green spots will appear on the leaves after the plant is diseased, and the leaf veins are transparent, the leaves are slightly wrinkled, and the plant will grow relatively low.

2. Infected with fern leaf virus disease: the back of the leaves and veins of the plant will be purple, and the leaves will curl upward, and the leaves will gradually harden and thicken.

3. Infected with leaf-curling virus disease: the leaf veins of the plant will be yellowed, and the edges of the leaves will be curled upward, and the leaves will also become spherical or twisted into spirals.

4. Infected with yellow-capped virus disease: after the plant is diseased, its parietal leaves will begin to fade green and yellow, and at the same time, the leaves will become smaller, the leaf surface will shrink, the edge of the leaves will roll up downward or upward, the diseased plant will dwarf, and the adventitious branches will grow together.

Tomato leaves are curled for many reasons, which are related to water, nutrients, soil and diseases. Tomatoes lack water, the branches and leaves lack water, and the leaves will gradually curl. During the growth period, the nutrients are insufficient, the lack of nitrogen or potassium, the chlorophyll of the leaves is insufficient, and the leaves will gradually turn yellow, and after the soil is compacted, the root system will not grow well, which will also make the leaves curl.

Tomato leaves are curled for many reasons, which are related to water, nutrients, soil and diseases. Tomatoes lack water, the branches and leaves lack water, and the leaves will gradually curl. During the growth period, the nutrients are insufficient, the lack of nitrogen or potassium, the chlorophyll of the leaves is insufficient, and the leaves will gradually turn yellow, and after the soil is compacted, the root system will not grow well, which will also make the leaves curl.

It may be a lack of nutrition, try our Hoda Hi, there will be unexpected gains.

Spray foliar fertilizer, apply organic fertilizer and nutrient soil to water it.

Can not be watered every day, it would have been winter. The temperature is relatively low, and the evaporation of water is relatively slow, if you water every day, it is easy to cause rotten roots, and after rotten roots, it will cause yellowing and leaf loss.

The reasons why tomato leaves turn yellow and start wilting are as follows:

1. Lack of moisture.

During the growth of tomatoes, if they are not replenished in time, the branches and leaves will be in a state of dehydration, and they will dry out. When maintaining, if you find that the soil is dry, you should water it immediately, usually once every 2-3 days.

2. Pest and disease infestation.

When there are germs or insects on the plant, its leaves will be attacked, which will also cause the leaves to dry up. It is necessary to spray with pesticides as soon as possible, and if you do not control pests and diseases in time, tomatoes are likely to die.

3. Excessive moisture.

To maintain tomatoes, we must wait for the potting soil to dry and water thoroughly to avoid excessive watering, as excessive moisture in the soil will easily cause root rot and easily induce leaf spot.

4. Soil agglomeration.

If the soil where the tomatoes are planted is clumped, even normal watering will cause the leaves of the tomatoes to turn yellow, and the soil will be clumped or not permeable enough to cause hypoxia in the roots, and the first symptom is that the leaves are yellow.

5. Fungal diseases.

Fungal diseases are a common problem in tomatoes, especially when seedlings are cultivated, if you find that there is a rot of the rhizome, you must pull it out to avoid infecting other seedlings. Sometimes the soil will also contain fungi, and a lot of water or an unventilated environment can easily lead to leaf spot disease, and the leaves will also turn yellow.

Summary. Hello, the dry leaves at the top of tomatoes are related to soil, moisture, pests and diseases and fertilizers, during the maintenance period, if the soil fertility is too low, poor air permeability, the leaves of tomatoes will dry up and yellow. If there is not enough water or fertilizer, the tomatoes will not grow well and the leaves will turn yellow and dry.

If they are infested by pests and diseases, the leaves of tomatoes will curl, dry up or fall off. Do you have any questions that I would like to answer for you?

What happens when the leaves dry up at the top of the tomato?

Hello, I have seen your question and am sorting out the answer, please wait for a while Hello, I have seen your question Ha Beibi Now I am manually replying to the content guess for you, but it will take a little time, please wait patiently, thank you Ha Fang Zhaoqin I am here to wish you a prosperous Year of the Tiger

Hello, the dry leaves at the top of tomatoes are related to soil, water leakage, pests and diseases and fertilizers, during the maintenance period, if the soil fertility is too low, poor air permeability, the leaves of tomatoes will dry up and yellow. If there is not enough water or fertilizer, the tomatoes will grow poorly before they are grown, and the leaves will turn yellow and dry out. If they are infested by pests and diseases, the leaves of tomatoes will curl, dry up or fall off.

Do you have any questions that I would like to answer for you?