Previously we were looking at the different pests that can affect our tomato crop. Among the pests we saw the whitefly, aphids, red spider, etc. Now I come to comment on the diseases and viruses that can attack our crops and with this I close this chapter on diseases of tomatoes.
Do you want to know more about the diseases and viruses that can affect your tomato crops?
Diseases that affect the cultivation of tomatoes
powdery mildew
It is a fungus that is generated in good conditions of humidity and temperature. Most mushrooms need plenty of humidity and a comfortable temperature to thrive. To be able to recognize it, we have to note that it has a whitish color and usually appear in the upper part of the leaf. As they grow and time progresses, the leaf turns yellow until it finally rots.
To combat it ecologically, we can use wettable or powdered sulfur. Also, if you have an urban garden and can place the plants in the sun, the fungus will die. It's also important to take into account the tomato diseases due to excess moisture which can aggravate the situation if there is inadequate management of humidity in the crop. You can also consult the tomato diseases to have a broader view of the conditions that can affect tomato crops, as well as learn from the tips for growing tomatoes effectively.
Mildew
It is a fungus also affects the leaves of the plant. It can be recognized because light or dark green spots begin to be seen, becoming necrotic with the passage of time. A thin white veil appears on the underside that corresponds to the spores. On the stem, we find elongated brown spots that symbolize necrosis and wilting in the plant. The crop takes on a burnt appearance. On the developing fruits, soft spots with a brown appearance are generally observed in the upper half.
Copper sulphate is used to alleviate and treat it. It is advisable to be aware of the tomato diseases and pests that can arise if we don't take adequate preventive measures. Another way to improve the health of our plants is to learn how to fertilize the soil to plant tomatoes correctly. In addition, it is essential to know the cryptogamic diseases that can affect the quality of your crops.
Roya
This is another fungus. This one has an orange color on the underside of the leaf and a yellowish color on the upper side. It can be treated with a horsetail decoction, and like the other two fungi, it can also be treated with copper sulfate. In the case of this fungus, the use of organic treatments can be effective. Therefore, we invite you to learn more at how to protect your tomatoes from other pests that may arise.
Rot
This is the best-known disease and is caused by a fungus that causes lesions on the plant. Botrytis causes the affected area to turn brown, while the other area produces a cottony, white area. It can be treated with potassium soap, garlic extract, and copper sulfate. However, prevention is more useful, as it can prevent damage to the plant. We should avoid cutting the plant that could infect it, not keep the plants too close together, and eliminate any areas that could infect the rest. For more information on this disease, you can consult the guidelines for treating botrytis. It is also very important to know how to treat botrytis. when to copper tomatoes to ensure adequate defense.
Scab
This is a fungus that produces a black spot on both the leaves, the stem and the tomato. It can be controlled with horsetail purin, sage, nettle and tansy. Copper sulfate can also be applied.
As we can see, most fungi can be combated with copper sulfate. We must always be alert to the diseases of other plants that may affect tomato cultivation.
Viruses that can affect tomatoes
To finish and close this chapter of affections to our tomato crops we make a mention of those viruses that can attack them. In this case, we cannot fight it, only prevent it. There are multiple viruses that attack tomatoes but we cannot fight them, only prevent them.
If general symptoms such as dwarfism and yellow color are observed in almost all the tomato plant, it is advisable to cover it with a bag, tear it off and eliminate it to prevent it from spreading to the rest of the plants. There is also a rot which is a calcium deficiency disease in the plant. This can be known when the fruit appears black underneath.
We can also experience tomato cracking. This occurs when temperatures drop rapidly or there is an imbalance in irrigation. To prevent this, we must be careful with sudden temperature changes and maintain good crop conditioning, since once the tomatoes are cracked, there is little we can do to fix them. For more details on the care and prevention of diseases in your crops, you can read about: why do tomatoes split to avoid this problem.
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