| Chiang Mai Rice Research Center has carried out a project on the early warning system for major rice pests in Chiang Mai since 2011. The project consisted of 3 activities; 1) Rice blast forecasting 2) Light trap counting and 3) Field survey for rice pests. Blast risk was indicated by BUS (Blast Unit of Severity) obtaining from the values calculated from the weather data on courtesy of Chiang Mai Meteorological Station. Results revealed a risk for rice blast epidemics at seedling, tillering, booting and flowering stages. These coincided with rice blast epidemics at some surveyed fields and farmer’s field epidemics recorded in 3 areas i.e. M.4 Sunttisuk, Doi Lo district, M.4 Sankhang, Sanpatong district and M.6 Sansai, Phrao district. Furthermore, insect... |
