Nematode Management

February 5, 2025

Plant parasitic nematodes are becoming threat to agriculture in India. Recent discussions among over 100 agricultural scientists at a symposium in Goa brought into light the annual crop losses due to these pests, estimated at ₹25,000 crore. Experts emphasised the need for effective nematode management to protect soil health and sustain crop productivity.

What are Nematodes?

Nematodes are microscopic worms belonging to the phylum Nematoda.
They are among the most abundant animals on Earth.
They can be free-living or parasitic, affecting plants, animals, and humans.
Nematodes thrive in diverse environments, including soil, freshwater, and marine settings.

Impact on Agriculture

Plant parasitic nematodes attack plant roots, leading to stunted growth and reduced yields. Their presence often goes unnoticed until damage occurs. This hidden danger makes them particularly challenging for farmers. The symposium called for the urgent need for awareness and action against these pests.

Management Strategies

Experts proposed several sustainable management strategies to combat nematode threats. These include:

Crop rotation to disrupt nematode life cycles.
Developing resistant plant varieties to enhance crop resilience.
Utilising biological control agents to naturally suppress nematode populations.

Role of Technology

The symposium also focused on the importance of technology in nematode management. Syngenta India is investing heavily in research and development to create innovative solutions. Collaborations between industry and academia are seen as crucial for advancing agricultural practices.

Awareness and Education

Raising farmer awareness about nematodes is essential for effective management. Many farmers lack knowledge about the impact of these pests. Educational initiatives are necessary to inform stakeholders about the threats posed by nematodes and the strategies available to mitigate their effects.

Research and Development Needs

There is a call for increased investment in scientific research to develop robust nematode management solutions. A strong R&D pipeline is essential for addressing the challenges posed by these pests. The symposium participants stressed that without research efforts, the agricultural sector may continue to suffer from nematode-related losses.

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