This standard stipulates the survey of the autumn overwintering base of the meadow stem borer in agricultural areas (the meadow stem borer mostly occurs in habitats such as farmland, pasture, woodland, wasteland and other staggered dis ribution areas, and areas where the proportion of farmland is greater than or equal to 60% is called agricultural areas). Larval survival rate survey, pupation and emergence progress observation, adult observation, egg quantity survey, larval survey, prevention and recovery loss statis ics, occurrence degree classification method, forecasting method and data summary and transmis ion, etc. This standard is applicable to field investigation and forecasting of meadow stem borer.
NY/T 1675-2008 history
2008NY/T 1675-2008 Rules for forecast technology of the meadow moth [Loxostege sticticalis (Linnaeus)]in agricultural area