论文部分内容阅读
通过对湖北小麦白粉病常发区——鄂北麦区进行的2a观察试验表明:防治小麦白粉病的基础工作是播种期用粉锈宁拌种。轻病年1次拌种即可控病增产;中等发病年,须在拌种基础上,后期再进行粉锈宁喷雾防治1次,遗漏拌种田也可在孕穗期喷雾防治1次补救;重发病年,除拌种田须后期喷雾防治1次外,未拌种田应在孕穗期和扬花期连续进行2次喷雾防治。
Through the observation of 2a, which is the common occurrence area of wheat powdery mildew in Hubei Province, Hubei Province, it shows that the basic work of preventing and curing wheat powdery mildew is to seed the mixture with triadimefon during sowing. Slightly sick in the first seed dressing disease control and increase production; medium incidence of the year, to be in the seed dressing based on the latter part of the control of triadimefon spray 1 times, missing mixed farming can also spray prevention and treatment at booting phase 1 remedy; , In addition to mixed farming to be sprayed after spraying 1, the unmixed farming should be carried out at the booting and flowering two consecutive spray prevention and control.