This part of YC/T 341 specifies methods for systematic investigation and field census of tobacco bacterial wilt, as well as methods for collecting, reporting and summarizing forecast data. This section applies to the reporting and reporting of tobacco bacterial wilt at forecasting and reporting stations at all levels.
YC/T 341.4-2010 history
2010YC/T 341.4-2010 Rules for investigation and forecast of tobacco diseases-Part 4:Tobacco Wilt