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How to control sucking pest of onion crop

Onion is an important crop that is grown in many parts of the world. However, it is susceptible to the attack of sucking pests, which can seriously damage the crop. Sucking pests are insects that feed on the sap of the plant, causing the leaves to turn yellow and distort, and the plant to become stunted. In this article, we will discuss how to control sucking pests of onion crop.

1. Implement Crop Rotation
One of the best ways to control sucking pests of onion crop is to implement crop rotation. Instead of planting onions in the same field every year, rotate the crops with other types of plants, such as legumes, cereals or brassicas. This will help to reduce the buildup of soil-borne pests that attack onions.

2. Apply Organic Pesticides
Another effective way to control sucking pests is through the application of organic pesticides. Products such as neem oil, garlic oil, and pyrethrin can be used to repel and kill many types of sucking pests. These products are eco-friendly and do not harm beneficial insects, such as bees or ladybugs.

3. Trap Crops
A trap crop is a plant that is grown next to the main crop to attract pests away from it. For onion crops, a trap crop such as marigold or nasturtium can be grown around the perimeter of the field. These plants will attract the pests, allowing the onion crop to be protected.

4. Mechanical Control
Mechanical control involves physically removing the pests from the plant. This can be done by using a strong jet of water to wash the pests off the plant or by handpicking them. This method is effective for small infestations, but may not be practical for large-scale farms.

5. Cultural Control
Cultural control involves modifying the growing conditions to make it less favorable for pests. This can be done by using a proper irrigation system to avoid overwatering, as overly wet soil can attract pests. Furthermore, intercropping can create an environment that promotes natural pest control.

6. Monitor and Scout
Regular monitoring and scouting of the crop is essential to early detection of the pests. This can be done by inspecting the plants for signs of pest damage and taking appropriate action immediately. This will help prevent the spread of the pest and minimize damage.

In conclusion, controlling sucking pests of onion crop requires a combination of preventative and reactive approaches. By implementing crop rotation, applying organic pesticides, using trap crops, mechanical control, cultural control, and monitoring and scouting the crop, farmers can effectively control sucking pests and ensure a healthy onion crop.

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