Light trap is an important tool to forecast and warn of many rice insect pests outbreak. The aim of this research was to find the relationship of BPH density from light traps which collected from Prachin Buri Rice Research Center and rice fields in Nakhon Nayok province. For developing outbreak forecasting system in Nakhon Nayok. Selected locations in Nakhon Nayok were Mueang district (Moo 1, Tha Sai and Moo 7, Tha Chang) Ongkharak district, (Moo 5, Srisa Krabue and Moo 1, Bueng San) and Ban Na district. (Moo 12, Ban Phrik) which daily collected from 6.00 pm to 9.00 pm (January 2013 to October 2014). The results indicated that Pearson’s correlation coefficient between BPH population density in 2 selected locations was positive with low association... |