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Control of brown plant leafhopper in paddy enquiry

Title: Effective Measures to Control Brown Plant Leafhopper Infestation in Paddy Fields


One of the biggest challenges faced by rice farmers is the control of brown plant leafhopper (BPH) infestation in paddy fields. The BPH is a sap-sucking insect that poses a significant threat to rice plants, causing severe damage and reducing crop yields. To ensure healthy rice plants and maximize production, it is crucial to implement effective control measures. In this article, we will explore various strategies for effectively managing BPH infestation in paddy fields.

Understanding the Brown Plant Leafhopper:

The brown plant leafhopper, scientifically known as Nilaparvata lugens, is a small insect that feeds on rice sap. Adults are about 5 mm long, elongated, and brown-colored, while nymphs are small and wingless with greenish-white bodies. They inject toxic saliva into the rice plants, causing leaf discoloration, drying, and ultimately leading to plant death if left uncontrolled.

Integrated Pest Management (IPM) Techniques:

1. Cultivation Practices:

Choosing high-yielding and resistant rice varieties can significantly reduce vulnerability to BPH infestation. Resistant varieties have built-in tolerance against the pest, making them more resilient. Additionally, implementing proper crop rotation and timely sowing can disrupt BPH reproduction cycles and minimize populations.

2. Monitoring and Early Detection:

Regular field monitoring is essential to detect early signs of BPH infestation. Use yellow sticky traps to capture adult BPH, giving an indication of the pest’s population density. Nymphs can be detected by examining the leaves for pale green or white eggs, which are laid along the leaf veins. Early detection enables timely intervention, preventing significant damage.

3. Biological Control:

Encouraging natural enemies of BPH is crucial in an integrated pest management approach. Predatory insects, like spiders, dragonflies, and ladybugs, feed on BPH and help control their populations. Introducing these beneficial insects or conserving their habitat can aid in natural control. Avoid excessive use of broad-spectrum insecticides that may harm beneficial insects.

4. Chemical Control:

In severe cases, chemical control measures can be employed. Selective insecticides specifically designed to target BPH while sparing beneficial insects are preferred. Apply insecticides based on reliable scouting data, adhering strictly to recommended dosage and timing. Regularly rotate insecticides to prevent resistance buildup in the BPH population.

5. Cultural Control Practices:

Cultural practices such as early transplanting, synchronized planting, and draining paddy fields at the end of the cropping season can help interrupt the BPH life cycle by destroying their eggs and nymphs. This practice disrupts BPH reproduction and reduces their overall population in subsequent seasons.


Effective control of brown plant leafhopper infestation in paddy fields is essential to protect rice crops and ensure optimal yields. Implementing a combination of cultivation practices, biological control, timely detection, and appropriate chemical control measures can help manage BPH populations effectively. Integrated pest management approaches provide sustainable solutions while minimizing negative environmental impacts. By employing these strategies and staying vigilant, paddy farmers can successfully combat BPH infestation and safeguard their rice crops.

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