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Control of green leaf hopper in paddy

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Controlling Green Leaf Hopper in Paddy: Tips and Techniques

Green leaf hopper is a common pest in paddy fields that can cause significant damage to the crops if not controlled in time. These tiny insects feed on the sap of rice plants, which may lead to stunted growth, yellowing of leaves, and ultimately, reduced yield. Therefore, it’s essential to take preventive measures and control the green leaf hopper population to ensure a healthy and productive paddy harvest. In this article, we’ll discuss some tips and techniques for controlling the green leaf hopper in paddy.

1. Monitor the pest population

The first step in managing the green leaf hopper population is to monitor the number of pests present in the field. The most efficient way to do this is by using sticky traps or sweep nets. Sticky traps are placed at strategic locations in the field and capture the insects as they move across the field. Sweep nets, on the other hand, are used to physically collect the insects from the plants. Regular monitoring helps in determining the severity of the infestation and helps in deciding the treatment protocols.

2. Use resistant varieties of paddy

Select paddy varieties that have resistance to green leaf hopper attack. There are several varieties of paddy that have been developed with resistance to green leaf hoppers, and these can be a better choice for cultivation in areas where the pest population is severe.

3. Practice cultural control measures

Cultural practices can mitigate green leaf hopper damage in rice plants. Proper land preparation and maintenance of field hygiene are important in reducing pest populations. Clear weeds and grasses growing around the borders of the paddy field, as they can act as a breeding site for the pests. It’s also advisable to plant paddy in well-drained soil, as this helps in reducing the green leaf hopper population.

4. Use biological control agents

Biological control agents like parasitoids, predators, and entomopathogenic fungi can be used in green leaf hopper control. These agents can be used alone or in combination with other control measures. Parasitoids and predators like spiders, ladybeetles, and mirid bugs feed on the green leaf hopper and help to control the population, while entomopathogenic fungi like Beauveria bassiana and Isaria fumosorosea can be used to infect and kill the pests.

5. Apply chemical control methods

Chemical methods should be the last resort in controlling the green leaf hopper population. Use insecticides that are labeled for use in paddy fields, and follow the application instructions carefully. Applying insecticides at the start of the infestation may help to eradicate the green leaf hopper population, but spraying too late may not have the desired effect. Avoid overuse of chemical pesticides as it can lead to toxicity and resistance buildup in pest populations.

In conclusion, controlling the green leaf hopper population in paddy requires a multi-dimensional approach that includes regular monitoring, cultural control practices, using resistant varieties or biological control agents, and lastly, chemical methods if necessary. By taking the appropriate measures, paddy farmers can prevent or mitigate the impact of green leaf hopper infestations and ensure a healthy and productive rice harvest.

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