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Seed treatment of white grub control in groundnut crop

Title: Effective Seed Treatment for White Grub Control in Groundnut Crop


Groundnut, commonly referred to as peanut, is an essential cash crop grown in various parts of the world. However, one of the significant challenges faced by groundnut farmers is the infestation of white grubs. These soil-dwelling beetle larvae can cause devastating damage to the crop and significantly reduce yields if not adequately controlled. To combat this problem, seed treatment methods have proven to be effective in preventing white grub infestation and ensuring healthier groundnut plants. In this article, we will discuss the importance of seed treatment and various techniques to control white grubs in groundnut crops.

The Importance of Seed Treatment

Seed treatment is a proactive approach in pest management that involves the application of specialized treatments to seeds before sowing. The primary objective is to protect the seeds and young seedlings from pests and diseases, resulting in improved plant establishment and vigor. When it comes to controlling white grubs in groundnut crops, seed treatment offers several advantages:

1. Early protection: By treating the seeds, the crop is protected right from the germination stage against white grub infestation.

2. Cost-effective: Seed treatment is usually more cost-effective than foliar or soil treatments, as a smaller amount of the product is required to effectively control pests.

3. Environmental safety: Seed treatment methods are more targeted and have reduced environmental impact compared to broad-spectrum chemical treatments.

Seed Treatment Techniques for White Grub Control

1. Chemical treatments:
a. Insecticides: Systemic insecticides such as imidacloprid or thiamethoxam can be used for effective control of white grubs in groundnut crops. These insecticides are usually applied in liquid form during the seed treatment process.
b. Nematicides: If nematodes are prevalent alongside white grubs, nematicides can be used to control both pests simultaneously. However, it is crucial to follow the recommended rates and application guidelines to avoid adverse effects on the environment.

2. Biological treatments:
a. Beauveria bassiana: This entomopathogenic fungus can be used for seed treatment to control white grubs effectively. The fungus infects and kills the larvae, preventing damage to the crop.
b. Trichoderma spp.: These beneficial fungi can be applied as a seed treatment to enhance plant growth and provide some protection against white grubs.

3. Cultural practices:
a. Crop rotation: Regularly rotating groundnut crops with non-host plants can hinder white grub populations from building up.
b. Deep plowing: Deep plowing helps disrupt the life cycle of white grubs by exposing them to predatory birds and other natural enemies, reducing their numbers.


White grubs can have a significant impact on groundnut crop yields if not managed effectively. Seed treatment is a crucial step to prevent white grub infestation, ensuring a healthy start for groundnut crops. Chemical treatments, such as insecticides and nematicides, along with biological treatments like Beauveria bassiana and Trichoderma spp., offer effective control mechanisms. Additionally, implementing cultural practices such as crop rotation and deep plowing can further aid in managing white grubs. By adopting these seed treatment techniques, groundnut farmers can minimize the risk of white grub infestations and secure higher yields for their crops.

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