This part of YC/T 340 stipulates the investigation of tobacco aphid overwintering insect source base, winged aphid migration investigation, systematic survey, field census, classification method of tobacco aphid occurrence degree, as well as the collection, reporting and summary methods of forecasting data. This section applies to prediction and forecast surveys of aphids in tobacco fields.
YC/T 340.1-2010 history
2010YC/T 340.1-2010 Rules for investigation and forecast of tobacco insect pests-Part 1:Aphid