Onion Cultivation: Spray these medicines to protect onion crop from leaf blight disease

Onion Cultivation: India is an agricultural country. Here farmers grow many types of crops. Due to its constant need in the market, farmers grow onions as their main crop. As a result, farmers grow onions on a large scale on both vertical and straight lands. In December, the onion crop starts developing and onion tubers start forming. In such a situation, farmers should pay more attention to the crop. Because now the biggest disease epidemic is spreading.

Now a disease called leaf blight is spreading rapidly in the onion crop. Due to this disease, the onion crop of the farmers is getting ruined. Everything from onion leaves to tubers is affected by this disease. How do we identify and prevent it? Understand the answers to these important questions.

Identify it like this:

When this disease occurs, the leaves of the onion start falling and black spots appear on them. After the leaves fall, the plant stops photosynthesizing and the onion tuber remains devoid of nutrition. As a result, the crop production is low and the size of the onion tuber does not increase. If you feel that the color of the leaves is changing, then be careful.

These are the disadvantages of onion crop

According to Jaidev Chauhan, Haprek Agriculture Expert of Garhwal University, leaf blight is a fungus. This disease can spread from one plant to another. As soon as the onion plant starts to develop, this disease spreads throughout the plant. This disease affects the onion crop.

Since onion leaves and tubers are sold in the market, farmers have to suffer a lot due to the obvious effect of the disease on the leaves and tubers. However, onions affected by this disease start spoiling quickly after preserving.

How to avoid leaf blight

Mangosep and neem oil are organic fungicides that can be used to protect the onion crop from leaf blight. Two milliliters of mangosep can be mixed in one liter of water and sprayed on the onion crop. Apart from this, the outbreak of leaf blight can be avoided by mixing two milliliters of neem oil in one liter of water and spraying it on the crop. These organic fungicides are more effective than conventional insecticides.