Biological fungicide Trichoderma to protect crops from diseases, learn how to use
लेखक : SomnathGharami
In the village countryside, you must have heard this saying that poison kills poison or iron cuts iron. Similarly, Trichoderma is a type of fungus that protects crops and plants from harmful fungi. You also need to be aware that there are many types of fungi in the soil. Some fungi are harmful to plants and crops, while there are some fungi that are very beneficial for crops. Trichoderma is also included in these beneficial fungi.
But due to some soil-borne diseases, root rot disease, stem rot disease, uproot disease, leaf spot disease, wet rot disease, rhizome rot, blight disease, scorch disease, etc. cause great damage to crops. Mainly due to fungi like Fusarium, Pythium, Phytophthora, Rhizoctonia, Sclerocium, Sclerotinia, etc., 30 to 80 percent of the crop can be destroyed. Trichoderma is used as a biological fungicide to protect crops from diseases caused by these fungi.
You will be surprised to know that there are many types of Trichoderma as well. In which Trichoderma viridi and Trichoderma harzianum are most prevalent. It is helpful in controlling various diseases by destroying the harmful fungi for the crops. But chemical fungicides can also have some side effects. However, the use of Trichoderma does not have any negative effect on the crops. Nevertheless, to avoid its negative side effects, let us know about its use method.
Method of use of Trichoderma :
Trichoderma is used in different ways. With this seed treatment, soil treatment, root treatment and spraying of crops can also be done.
Method of seed treatment with Trichoderma: Before sowing, mix 2-4 grams of Trichoderma powder per kg of seed evenly. With this, after sowing of seeds, Trichoderma fungus also starts growing in the soil and by destroying the harmful fungi, protects the crops from diseases. If the seed is to be treated with insecticide also, then first treat with insecticide. After that use it.
Method of treatment of soil with Trichoderma: While preparing the field to treat the soil, mix 1 kg of Trichoderma powder in 25 kg of cow dung, compost or vermi compost and mix it evenly in the field. Nursery soil can also be treated with this method. (This quantity is given per acre of field.)
Method of root treatment with Trichoderma: If the seed is not treated, then prepare a solution by mixing 250 grams of Trichoderma in 15 liters of water before transplanting the plants in the main field. Soak the roots of plants in this solution for about 30 minutes. Then transplant the plants.
Method of spraying Trichoderma on crops: If symptoms of soil borne or fungal diseases are seen in the crops, sprinkle 2 to 4 grams of Trichoderma per liter of water.
Precautions while using Trichoderma
After treating the seed, keep it in a shady place. Do not expose the seeds treated with Trichoderma in the sun. The fungus present in it can be destroyed by strong sunlight.
Moisture is essential for the growth of fungus. Therefore it should not be used in dry soil.
Do not use chemical fungicide for 4-5 days after its use.
In standing crop it should be sprayed in the evening. You can also spray in the morning before the sun rises.
Do not keep it for a long time after mixing it with cow dung manure, compost manure or vermi compost.
Click here to know the essential nutrients and their importance for plants.
We hope this information will prove to be important for you. If you liked this information, then like this post and also share it with other farmers so that more and more farmers can take advantage of this information. You can ask questions related to Trichoderma to us through comments.
21 September 2021
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