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When plants suffer Dark spots on tomatoes indicate calcium deficiency
Not only humans, but also plants can show deficiency symptoms. If, for example, dark spots are found everywhere on tomatoes, this is an indication of a calcium deficiency. Even with the best care and regular watering can happen. The manifold causes can be found in the soil.
If there are dark spots on the tomatoes, this can be an indication of missing nutrients. (Image: tunedin / fotolia.com) Nutrient deficiencies in humans and plants
Calcium is important in the human body for bones, skin and teeth as well as for muscle and nerve activity as well as the defense against inflammation. Calcium deficiencies can lead to symptoms such as muscle cramps, tingling in the limbs (hands and arms), indigestion and diarrhea, as well as more serious problems such as cardiovascular problems (eg cardiac arrhythmia or low blood pressure). But not only humans, but also plants can suffer from nutrient deficiency.
Various reasons for calcium deficiency
If, for example, tomato calcium is missing, brown-brown to brown-black discolorations develop on the flower roots of their fruit. In a message from the news agency dpa, the plant protection service of the Chamber of Agriculture of North Rhine-Westphalia stated that these spots have slightly sunken and are partly hardened. Professionals speak in such cases also from end of life blight. There can be various reasons for such a deficiency: For example, even in the soil, calcium may be missing, as is often the case, for example, with acid soils. However, the soil may also have a high concentration of nutrient salts such as ammonium, potassium, magnesium and sodium, which hinder the uptake of the plant by calcium. Furthermore, a deficiency can be promoted by a permanently too dry soil, because calcium primarily enters the fruits via the water.
Tips for hobby gardeners
The experts explained what hobby gardeners can do in such cases. If the fruits already show symptoms, then you should grab a special calcium fertilizer and spray it on the leaves. In principle, it was pointed out to fertilize the plants as needed and to water evenly. Then nothing should stand in the way of a successful harvest. Whether cherry, bottle, shrub or beef tomato: The fruits are not only delicious and low in calories, but also contain many healthy vitamins and minerals. (Ad)