By Kenneth Marcos 
Under the green rice leaves, a silent threat can be quietly sucking life from the crops. The Brown Planthopper (BPH), a small yet destructive insect, feeds on rice sap, causing hopperburn and spreading viruses such as grassy stunt and rugged stunt that can significantly reduce yields.
Farmers are urged to monitor their fields closely and take early action. Regular inspection of rice plants helps detect rising BPH populations before serious damage occurs. Agricultural technologists recommend consulting experts when infestations persist.
Excessive nitrogen fertilization should be avoided, as overly dense foliage encourages BPH growth. Implementing Alternate Wetting and Drying (AWD) irrigation can reduce humidity levels in the rice field, making it less favorable for these pests.
For future planting, selecting BPH-resistant rice varieties is key. Recommended varieties include PSB Rc2, Rc10, and NSIC Rc212, Rc222, Rc226, Rc298, and Rc300. Coordinated planting schedules and allowing the soil to rest for at least a month between crops can help reduce pest build-up.
Farmers are also advised to avoid indiscriminate pesticide use, especially on young plants. Preserving natural predator populations helps control BPH and maintain ecological balance in the field.
By combining careful monitoring, proper fertilization, strategic irrigation, and the use of resistant varieties, rice farmers can protect their crops, safeguard yields, and reduce losses from Brown Planthopper infestations.
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