The field performance of palm emulsion in water (EW)-cypermethrin against rhinoceros beetles, Oryctes rhinoceros in immature oil palm was studied with respect to its insecticidal activities and phytotoxic effect on young palms. The conventional emulsifiable concentrate (EC)-cypermethrin and another commercial product (gamma-cyhalothrin) were included for comparison. The trial was carried out on one-year-old replants in […]