From this article you will learn how the gray vertex rot on the tomatoes looks, and how to deal with it.
Content
- What is and what the gray vertical rot looks like tomatoes: photos, views
- The first signs of the appearance of a gray vertex rot on the tomatoes: description, photo
- Why do tomatoes are sick with vertex rot: the causes of the occurrence
- What is the best way to treat tomatoes from the apical gray rot of fruits in the greenhouse and open ground?
- Preparations for the treatment of gray vertex rot tomato: names, list, recipes for use
- Folk remedies for the treatment of vertex rot tomato: a list, recipes for use
- Prevention of gray vertex rot on tomatoes in a greenhouse, and open ground: a complex of measures, means, recipes
- Video: how to treat the top rot of tomatoes?
The gray vertical rot in tomatoes is one of the most common diseases, not only tomatoes, but all the nightshade (eggplant, pepper). We learn more about this disease of the nightshade, and try to protect them from the disease.
What is and what the gray vertical rot looks like tomatoes: photos, views
Gray vertical rot -This is a disease of tomatoes and other vegetable crops from the genus of the nightshade, which appears due to improper care of them. The disease manifests itself on green tomatoes, and on the reddened, if they do not have enough moisture.
At first, at the top of the fetus, on the site of the flower, in green tomatoes appears darker water -containing spot. Then the spot becomes brownish-gray, up to black, penetrates deep into the tomato, the skin dries on it, cracks, and the tomato disappears.
A dark spot appears on the crown of red tomato, which increases and turns black. There are no sick tomatoes.
Plants in the greenhouse are more likely to suffer from the top rot, but there are enough cases in open ground. Most often, this disease is suffered by young tomato bushes before the ripening of fruits.
The disease mainly appears on such reasons:
- Irregular watering
- Frequent but weak watering
- Rare watering
- Soil sealing around the plant
- A large amount of nitrogen in the ground
- Disadvantage or a lot of calcium in the ground
- Acidic (pH 5.0-6.2) or salty earth
- Tomatoes lie on the ground and there is free access to bacteria
- Damage to the plant with roots during weeding
The first signs of the appearance of a gray vertex rot on the tomatoes: description, photo
The fact that the tomatoes fell ill with a vertical rot is visible even on green tomatoes. The first signs of the disease:
- It seems to be flattened by a tomato
- Watery spots on a green tomato, darker than the whole tomato
- After some time, a dark green spot on the tomato turns into brown, brownish or dark gray, and then a black spot, the tomato in this place wrinkles, the twig is fingering, and the tomato disappears.
Why do tomatoes are sick with vertex rot: the causes of the occurrence
There can be many reasons for the emergence of vertex rotting on tomatoes:
- When tomatoes begin to be tied, they need to be well watered, and with a weak watering or without it, the fruits are not enough moisture. Since the plant takes most of the incoming moisture on itself, it can also pull it from the fruits, then gray spots of rot appear on the tops of the tied tomatoes.
- After watering the soil was condensed, a hard crust formed from the ground, water and air cannot go to the roots.
- If you water tomatoes often and in small portions, then too there is not enough moisture, and the top rot may form.
- If you often feed tomatoes with manure, then it can be excess in nitrogen soil, which cannot be absorbed by tomatoes, and the top rot appears on them.
- If very hot, tomatoes can stop absorbing calcium from the soil, then the top rot also appears.
- If the soil On your site too sour or salty, then calcium with tomatoes is poorly absorbed, and the top rot appears.
- If tomatoes lie on the ground, they can begin to rot as a result damper bacteria lesions.
What is the best way to treat tomatoes from the apical gray rot of fruits in the greenhouse and open ground?
If tomatoes have already begun to hurt the vertex, regardless of the greenhouse or in the open air, the following must be done:
- Collect all the tomatoes and dried leaves affected by the disease, and destroy them away from the site.
- Pour healthy plants chloride calcium. To do this, make a solution: 30 g of calcium chloride in 10 l of water.
- For better calcium absorption, you can pour healthy plants with a solution calcium nitrate with boric acid (7-10 g of nitrate, 10 g of boric acid per 10 liters of water).
- Spraying plants with microbiological the drug "Fitosporin" According to recommendations on the packaging.
- If your tomatoes were struck by the bacterial form of the disease, it would be nice to treat them bordeaux mixture. To prepare the solution, you need to dissolve the unsuccessful lime (100 g) in 1 liter of water, in another vessel we dissolve 100 g of copper sulfate in 9 liters of water, then mix everything - and the solution is ready for use.
Important. To prevent an excess of calcium in the soil, which is as harmful, like a lack, feeding calcium nitrate, chloride potassium and other drugs can be done no more than 1 time every 10-15 days.
Preparations for the treatment of gray vertex rot tomato: names, list, recipes for use
Signs of vertex rot of plants (tomatoes and other nightshade) have not yet been manifested, or you have collected and destroyed sore fruits, it is advisable to spray healthy plants with universal means:
- "Brexil Sa" - Powder, with calcium and boron. The solution is prepared from 10 g of powder per 10 l of water.
- "CHICHOCHIC CHOLOROCES (HOM)" - Greenish powder. The solution is made of 40 g of powder and 10 l of water. They process tomatoes 3-6 times per season.
- "Rescuer of tomatoes" - Ampuls with liquid. The tool also helps from fungi. Once sprinkling with the drug, it operates for about 1 month, and then you need to spray again.
- "Megafol" - liquid in bottles from 25 ml to 25 liters. A solution for tomatoes in open ground is made of 30-35 ml of liquid and 10 liters of water (for the greenhouse weaker).
- The following drugs are also used: "Nutrinant Plus", "Feature", "Tekamin Max".
Folk remedies for the treatment of vertex rot tomato: a list, recipes for use
The people are popular with the people to fight the top rot: the following methods are popular:
- Stepsing - Removing from a bush of tomatoes of additional shoots, if the bush is very thick.
- Turning the lower leaves from the plant, since many nutrients are taken by them, and they are close to the ground and can bend and spread the disease to the whole plant.
- Water tomatoes after 1 day.
- More often ventilate the greenhouse where tomatoes grow.
- In the holes when planting tomato seedlings in open ground add ashes and eggshell.
- So that the earth under tomatoes dry less, soil cover the mulch (hay, straw, sawdust, leaves).
- If the top rot begins to manifest itself on tomatoes, puff and destroy sore tomatoes and leaves, and fly healthy bushes hood from wood ash. The hood is done as follows: 1 cup of ash with coals pour 1 liter of boiling water, insist 1 day, filter, dilute 10 liters of water, and you can spray the plants 1 or 2 times a day. Zola is a natural antiseptic, also helps from fungal diseases of tomatoes.
- You can also spray the plants of healthy tomatoes and the tomatoes themselves, especially green, baking soda solution (20 g of soda per 20 liters of water). It is advisable to spraying in the morning and evening.
- Helps the vertex rotting or watering of tomatoes well solution of metronidazole tablets (2 tablets per 1 liter of water - for spraying), and watering requires half a tablet per 1 liter of water.
- An effective remedy from the vertex rot in the tomatoes is suspension from chalk (2-3 tbsp. L. chalk per 1 liter of water), water should be watered for several days in a row.
Important. It is better to water tomatoes in the evening, because the useful substances from the soil are better absorbed at night.
Prevention of gray vertex rot on tomatoes in a greenhouse, and open ground: a complex of measures, means, recipes
Seeds can also be infected with the top rot, so the prevention should be done, primarily with the seeds, and as soon as the plants grow up a bit.
Preventive measures:
- If you are not sowing tomato seeds in factory packaging, it is advisable to apply for them barboting - lowering the seeds into water, for 18 hours, saturated with oxygen. Such water can be done if you lower the aquarium compressor into it, and include it in the outlet.
- You can also before landing soak seeds in a growth stimulant, or weak solution of potassium permanganate.
- Helps not to get sick in the future when they grow up, succinic acid. We make the solution: we dissolve 17 ml of amber acid in 1 liter of water, soak the tomatoes for 1 day in it.
- You can also do it zinc sulfate solution And soak the tomato seeds in it.
- If you have on the site the earth is acidic, before planting tomatoes, you need to sprinkle it dolomitic flour, chalk or gashiy lime, and add to each hole 1 cup of ash.
- When you plant seedlings of a tomato on the bed, they need to be planted at such a distance that the branches of neighboring bushes do not intertwine with each other, and there was a distance between them.
- As soon as the plants grow up, you need to try pour them with water, prevent the land to dry out.
- After a watering day (the next day) loosen the soil around tomatoes.
- If tomatoes are growing in the greenhouse, prevent air overheating, on time ventifyBut a sharp change in heat and cold is also harmful to tomatoes.
- You can not often feed plants Factory fertilizers, you need to follow the recipe indicated on the packaging.
- For preventive purposes, you can pour 1-2 times a week tomato leaves solution of lime solitra (5-10 g of nitrate per 10 l of water).
- When plants are actively growing, they can be sprayed 1-2 times a week chloride calcium. To do this, make the solution: 3-4 g of calcium chloride, stir in 10 liters of water.
- Also, 1-2 times a week, you can spray tomatoes with a solution lime milk (1 g of lime per 10 l of water).
- If you feed tomatoes manure or chicken, you need to prepare a weak solution, and use it 2-3 times per season.
Now the varieties of tomatoes resistant to the top rot have been bred. Of course, there is no guarantee by 100% that tomatoes will not get this disease, but they are still more stable than ordinary varieties. These are varieties of tomatoes:
- "Astrakhan"
- "Volgograd 5/95"
- "Alpatieva 905A"
- "Glombemaster F1"
- "Small"
- "Account F1"
- "Rychansky"
- "Lunar"
- "Akhtanak"
- "Benito F1"
- "Big Canyon"
- "Bolshevik F1"
- "Gront Gribovsky 1180"
- "Fell F1"
- "Marfa F1"
- "Leah"
- "Rotor F1"
- "Pharaoh F1"
So, you can grow healthy tomatoes, if you carry out preventive measures, water the plants in time, and if you get sick, they can treat them in time.