Why don't tomatoes ripen at the stem - tomatoes at the stem are hard and don't turn red
It is not uncommon for an experienced gardener to experience a situation where the stem of tomatoes does not ripen. At the same time, the fetus itself can develop and ripen before our eyes. However, no matter how long the gardener waits, the stalk will remain hard and green. The area at the base of the fruit is also called the shoulder. Some varieties of tomatoes are characterized by such under-ripening. You should not expect a miracle and rely on chance, because the problem may lie precisely in the correct care or non-compliance with the technology for watering your own summer cottage.
Non-ripening of tomato fruits
Under-ripening of tomatoes around the stalk is a very common problem for gardeners.
The speed and quality of ripening can be influenced by a variety of factors, including natural ones.
If you do not follow the care technology, even the strongest and most resilient plant can die. In most cases, it is extremely difficult to find out the true cause of unripe fruits, but an experienced gardener can visually identify the source of inflammation and determine its origin.
Factors
Physiological ripening of tomatoes occurs within 7 weeks from the moment the ovaries form; if after this period the fruits remain green, this is a pathology, and you need to look for the cause.
The ripeness and color of the fruit will be influenced by the following factors:
If an error is identified, you should immediately begin to eliminate it. The quality of the crop will directly depend on the living conditions of the plant . It is also worth noting that two to three weeks before ripening, uniform coloring of all fruits occurs. We propose to talk in more detail about each factor that affects the quality of the tomato harvest.
Excessive or insufficient use of fertilizers
Uneven color of the stalk indicates the inability of the plant to absorb potassium and calcium, which are responsible for the color of the tomato.
So why don't tomatoes ripen at the stem?
The cause may be a lack of nutrients or excessive fertilization with nitrogen substances. Thus, tomatoes may ripen unevenly.
Additives based on nitrates cause irreparable damage to the plant and, as a result, to the fruits themselves. If the soil used is characterized by a high nitrogen content, the plant will feel extremely uncomfortable.
It is recommended to use fertilizers based on phosphates and calcium, because complex formulations are not suitable for growing tomatoes. If it is noticed that the tomatoes do not turn red, then fertilizers should be abandoned immediately. After a few weeks, the plant will recover and the fruits will continue to develop.
Poor soil
For good ripening, tomatoes need well-warmed, nutrient-rich and loose soil with neutral acidity.
This aspect should be considered almost last, because if the plant has already begun to grow, then the microelements in the soil were enough for it. Uneven maturity can also be a consequence of poor soil quality. The plant obtains nutrients from the soil, fertilizing and watering.
How to make hard and unripe fruits sing:
Wood ash serves as a good substitute for potash fertilizer.
Compost is also used for mulching tomatoes.
Feeding tomatoes with ash not only enriches the soil and improves tomato growth, but also helps get rid of some fungal diseases.
Excessive thickening
By themselves, most varieties of tomatoes can be called absolutely unpretentious, but we are talking only about the simplest and unmodified varieties.
Crowded bushes are a common cause of slow and uneven ripening of tomatoes.
Excessive thickening can cause the stalk to not ripen, which will prevent the tomatoes themselves from gaining color. If the distances between the holes are less than 40 cm, then they simply interfere with each other. By blocking the sun, they partially block access to essential nutrients to the plant located nearby. It is possible to partially cut out green growth or plant plants at a greater distance.
Correct temperature and lighting
Unfortunately, this factor is one of the most common and does not allow the fetus to develop correctly. Temperature plays an important role, and its sharp change downward threatens the complete death of the plant.
Gartering the fruits allows them to be well lit and receive more warmth and sunlight.
However, the color can be affected not only by the climate inherent in the selected region, but also by a sharp change in temperature. The fruits will not be able to ripen if the temperature is low at night. The fruits will bake if the temperature in summer reaches 38°C. In this case, the stalk will remain hard, green and unripe.
If there is not enough natural light throughout the summer, then the plant will not be in a hurry to produce a bountiful harvest. A rainy summer will also prevent the fruits from ripening properly . In insufficient light, the tomatoes will ripen partially, but the stalk will remain green and dense.
If we are talking about a greenhouse, then the temperature regime, as well as the level of lighting, is much easier to regulate. But in open areas, you can erect a temporary cover in the form of an awning, which will protect the plant from excessively active sun.
Little Diana
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Monday, April 18, 2011 10:51 + to quote book
*Decoction of pumpkin stalks. The dry stalk (tail, petiole) is crushed, and a tablespoon of raw material is poured with 1 cup of boiling water. Boil for 10 minutes, leave for 30 minutes, filter. Drink 2 tbsp. spoons of decoction 3 times a day for swelling as a diuretic. *We don’t even throw away the “tails” (stems) of the pumpkin. If your teeth hurt, we brew tea from the “tails”, rinse your mouth, and the pain subsides. *Pumpkin stem relieves toothache even after crowns are placed. *Tibetan folk medicine uses pumpkin in therapeutic nutrition for diseases of the liver, kidneys and heart, treatment of gastritis with high acidity, as well as peptic ulcers of the stomach and duodenum: 15-20 g of finely chopped pumpkin stalks and 2 g of propolis are boiled for 15 minutes in 2 glasses water - dose per day. *The heavier, lumpier and more ribbed the fruit, the thicker the stalk - the sweeter, medicinal, more dry matter and everything else. *We make barrels for pickling cucumbers and tomatoes from large, hard-barked pumpkins.
We cut off the top (lid) of the fruit and scrape out the pulp, leaving the walls 2-3 cm thick. The taste with this salting (the secret of taste) is unusually good. *For colitis with constipation, porridge made from millet and pumpkin pulp and stalk is useful. Also prepare a decoction of pumpkin stalks. To do this, 15-20 g of finely chopped stalks need to be boiled for 15 minutes in two glasses of water. Dose – for one day. *Diabetes. If there is a high level of sugar in the blood, a decoction prepared from pumpkin stalks is taken orally. Distilled water is used to extract medicinal compounds. For one part of the stalk, take five parts of liquid. After a short boil, the broth is filtered and consumed 50 ml 1-3 times during the day. *Heavy metal salts and toxins are removed by the pumpkin stalk. How to lower blood sugar? There are many medications for this, but there is a folk remedy. If there is an increased level of sugar in the blood, a decoction prepared from pumpkin stalks is taken orally.
*Cucumber stalk.- In that place of the cucumber where the stalk is adjacent to it, as we all know, there is a bitter taste. Now scientists have discovered the substance cocorbetocin in this cucumber part. If the taste is almost not bitter, only slightly astringent, then the cucumber was well watered and there was high air humidity. But if you want there to be bitterness, that is, an increased content of the substance cocorbetocin, which, according to scientists, kills cancer cells, you need to water less. And when suddenly we come across the bitter part of a cucumber, we should not throw it away, but rather eat it.
*Strawberry stalks - we throw away the green stalks, not realizing that this is an excellent medicine that is trusted by the people. Strawberry stalks help even with such terrible diseases as cancer. You need to take the stalks of garden, or even better, wild strawberries or wild strawberries and use them as tea. Brew one teaspoon per glass of boiling water and take three times a day.
*Grape stalks, seeds, and skins contain phytoestrogens, which can effectively protect you from atherosclerosis. Therefore, researchers turned to studying phytoestrogens. These are compounds of plant origin, similar in structure to estrogens and having similar properties, but without side effects. Phytoestrogens are found in many grains and legumes, vegetables, fruits and medicinal plants. But the attention of Moscow scientists was attracted by red grapes. The main phytoestrogens in grapes belong to the class of flavonoids. These are catechin, epicatechin, quercetin, campferol, lutein and some others. The antioxidant and anti-inflammatory properties of these substances, as well as their ability to resolve blood clots, are very high. In addition, the beneficial effects of red wine on the cardiovascular system are well known. Scientists used grape components obtained from the products of its technological processing in the production of red wine. Dry hydroalcoholic extract of grape seeds, crushed grape seeds, crushed fermented grape stems and crushed dried grape pomace. It is these parts of the berry that contain the lion's share of flavonoids, and less than 10% remains in the pulp. The serum of the experiment participants caused the accumulation of cholesterol in monocytes. However, 2-6 hours after the women took grape preparations, the same serum acquired the opposite properties - the cholesterol content in the cells decreased. The greatest effect was exerted by a dry alcohol extract from grape seeds. Taking just 100 mg of the drug reduced the cholesterol content in cells by 67-70% within two hours. The effect of dried grape pomace and fermented grape stems was somewhat less pronounced.
*The stalks of cherries have diuretic and astringent properties; they are used for kidney stones, joint diseases, edema and diarrhea. Modern scientific research has shown that a decoction of cherry stalks has hemostatic properties for heavy menstrual bleeding. A decoction of cherry stalks is an excellent diuretic that is used to treat the kidneys. Healers have long known that tea made from cherry stalks is one of the best diuretics. It gently, almost painlessly crushes and removes stones, salts, sand from the kidneys and bladder. Liver disease (hepatitis, cholecystitis, cholelithiasis, bile duct dyskinesia) should also be treated with leaves and stalks of cherries. Tea made from the stalks of cherries helps in cases of polyarthritis, especially if the person is overweight.
*Tomato stems cure everything. - Canned tomatoes in jars often burst. We recommend canning red tomatoes with stems. *Here is another remedy for joint pain. Let’s take everyone’s favorite, dear, ripe tomato. When we prepare it for the table, we naturally throw away the stalk - the green stem and leaves like a corolla at the very base. But they are precisely the excellent medicine. Collect five tomato stalks, brew them with a glass of boiling water and let the drink brew for an hour. The medicine is ready. It should be taken one third of a glass 30 minutes before each meal.
*Toothache.- German scientists offer a curious and unexpected remedy for toothache - squats, claiming that squats act immediately and more effectively than even painkillers.
*Red pepper with a stalk will get rid of gray hair. Take 6 pieces of whole large dry red pepper with stalk, place in a dark glass container, pour in 0.5 liters of vodka and place in a dark place for 3 weeks. Then rub 1 teaspoon into the hair roots once a day before washing your hair. Course – 2 weeks. After this period, the hair will begin to darken. The result is 100%.
It happens that tomatoes ripen and turn red, but yellow spots remain on the stalk (the fruits do not ripen), sometimes they say “yellow shoulders” appear.
So what are the reasons for the appearance of yellow spots on the stalk of tomatoes?
Let's figure out why this can happen and what needs to be done to prevent this from happening.
Manifestations
The symptom does not appear in all fruits on the bush; tomatoes on the lower branches are more often affected. A ring-shaped green spot is located around the stalk and can occupy up to half the surface of the fruit. The skin in this place is uneven, with bumps, the flesh underneath is dense, rough, and also has a green tint. Often the hard fibers go deep into the core of the fruit. Not only in the greened area, the flesh of the entire tomato acquires an unpleasant taste. Spots near the stalk may also be yellow.
Proper plant care
It will take a lot of strength from the plant and a huge number of young shoots.
- Each branch will draw a lot of moisture , thereby preventing the fruits from ripening. By drawing out the juices from the fruit, the leaves will be strong and incredibly green, but the fruits will be dull and small. This is due to the lack of the required amount of nutrients.
- If the ripening process stops, the stalk will be green , like the fruits themselves.
- In some areas the surface may begin to turn gray . Experienced gardeners know the need to regularly inspect plants for excess shoots. They will prevent the fruits from ripening and reduce the amount of harvest.
- Fresh flower stalks should be removed if the ovary has formed late and the fruits clearly do not have time to ripen.
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Causes of green spots
If fruits with a similar defect are found on a bush, measures should be taken to protect the ripening part of the crop. First of all, it is necessary to establish the cause of the stains, each of which will require certain actions.
Deviations in the color of tomato fruits most often signal a deficiency, less often an excess of any resource needed by plants:
Lack of lighting
One of the most common causes of a defect. This is why green spots around the stalk are less common on tomato fruits growing in open ground; this is mainly a problem for plants in greenhouses. Access to fruit light is important, that is, a prolonged rainy period during the formation and ripening of tomatoes can have similar consequences. Light deficiency is also indicated by the sour taste and watery pulp of other fruits, slow ripening, small size, hollowness of the fruits (lack of seeds in the seed chambers).
Potassium deficiency
The second most likely reason for the appearance of spots on tomato fruits. Accompanied by curling of the upper leaves and slower growth of stems. The lower leaves turn yellow and dry out along the edges and at the tips, and brown dots appear on them. The fruits ripen unevenly, and both green and yellow spots may appear. Unripe green areas may be hidden under the red skin; sometimes the flesh, due to a lack of potassium, turns dark brown.
Magnesium deficiency
In this case, in addition to spots, plants may experience yellowing of the leaves between the veins, followed by tissue death. The lower leaves are the first to suffer, curling their edges upward. This reason is especially likely when growing tomatoes on poor and light soils with high acidity. A lack of magnesium often accompanies potassium starvation.
Phosphorus deficiency
A deficiency of an element that causes poor fruit ripening aggravates the influence of other causes, increasing the likelihood of the formation of unripe areas on tomatoes. Symptoms of phosphorus starvation: darkening and curling of leaves, the appearance of blue shades in their color on the underside, slow ripening of fruits, and the skin acquiring a brown, “bronze” color.
Excess nitrogen
Like a lack of phosphorus, it contributes to the appearance of green spots on tomatoes in combination with other reasons, since it slows down the ripening of fruits. With excess nitrogen nutrition, intensive development of bushes is observed, the plant has powerful stems and abundant leaves, on which yellow spots may appear.
Features of the variety
On the other hand, if this is not a lack of potassium, then it is not always worth blaming the degeneration of the variety or low-quality seeds (deception of the manufacturer)
The fact is that other varieties growing under the same conditions (in the same greenhouse) may not have such a spot, although the care and initial soil fertility are the same
Perhaps this is the specificity of the variety. Thus, the Truffle variety often grows by default with a yellow spot, as do often Oxheart, Mazarin, Budenovka and others.
Worth knowing! However, it is believed that different varieties may react differently to potassium deficiency. Some varieties (more demanding) develop yellow spots, while others (less demanding) do not. Mazarin Thus, now you know all the reasons why yellow spots (shoulders) may form on the stalk of tomatoes, which means you can take the necessary measures to ensure that your harvest is of high quality.
Treatment of tomatoes
The treatment required in each specific case depends on the cause or combination of causes, reflected in the color and taste of the fruit. But in any case, you need to choose fast-acting methods of influence so that the ripening fruits have time to receive the necessary nutrition or light.
If there is insufficient lighting, planting tomatoes should be sprayed with a solution of magnesium sulfate (0.15%). The procedure must be repeated every 2 weeks.
If there is an excess of nitrogen, you need to water the tomato planting generously to wash the element out of the soil, and then fertilize it with a solution of wood ash (250 g of ash per bucket of water).
If there is a deficiency of nutrients, give appropriate foliar feeding:
Prevention
You can avoid problems with the ripening of tomato fruits, including uneven coloring, by following the correct agricultural practices for growing the crop:
If all the tomatoes on the bush have a green ring around the stalk, it is worth checking whether this sign is a feature of the variety being grown. A green spot is the norm for tomato varieties “Watermelon”, “Super Red F1”, “Mushroom Basket”, “Black Moor”, “Paradise F1” and others. In addition, in some varieties, a green spot occurs on fruits at the technical stage of maturity, disappearing by the time of full ripening. For example, in the varieties “Arletta F1”, “Rosy cheeks”, “Pagoda”, “Lyubava F1”, “Rosina”.
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