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Mealy bug in mango

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Brown plant hopper in paddy

Brown plant hopper (Nilaparvata lugens) is a major pest of paddy or rice crops in many parts of Asia. These small insects feed on the sap of rice plants, causing significant damage to the crops. They are particularly devastating in areas where rice is a staple food and a major source of income for farmers.

Brown plant hoppers are called as “whoppers of the rice field” because of their ability to rapidly reproduce and spread to other plants. They have piercing-sucking mouthparts that they use to extract sap from the rice plant, causing the leaves to turn yellow and wither. This feeding damage can result in stunted growth, reduced yield, and even death of the plant.

In addition to direct damage to the rice plants, brown plant hoppers are also known to transmit viral diseases such as grassy stunt virus and ragged stunt virus, further compromising the health and productivity of the crops.

Controlling brown plant hoppers can be challenging, as they have developed resistance to many common insecticides. Integrated pest management strategies that combine cultural, biological, and chemical control methods are often recommended to effectively manage infestations.

Cultural practices such as maintaining proper water management in the rice fields, using resistant rice varieties, and practicing crop rotation can help reduce the incidence of brown plant hopper infestations. Biological control measures, such as introducing natural enemies like parasitic wasps and spiders, can also be effective in keeping their populations in check.

Chemical control methods should be used judiciously to avoid pesticide resistance and environmental damage. Pest monitoring using pheromone traps and regular scouting of fields can help farmers detect the presence of brown plant hoppers early and take appropriate action.

In conclusion, brown plant hoppers are a serious threat to paddy crops, but with proper management strategies, their damage can be minimized. Farmers should be vigilant and proactive in monitoring and controlling these pests to protect their rice plants and ensure a healthy harvest.

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