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麦杆蝇是内蒙西部春麦产区的主要害虫之一。它的发生程度受气候变化影响较大,一般来说,当年春季4月份的平均气温与历年相比,属正常或偏低,稳定通过报氏0度的日期与历年相比偏晚,发生程度趋于中等偏轻一中等;相反,当年春季4月份的平均气温与历年相比偏高摄氏1—2度,且稳定通过摄氏0度日期与历年相比提早,就有严重发生的可能。下面以10年的系统观察资料来加以说明。
Muscle fly is one of the major pests in the spring wheat producing areas in western Inner Mongolia. Its degree of occurrence is greatly affected by climate change. In general, the average temperature in April of the current year is normal or low compared with the previous years, and the stable passage of the 0 degree is delayed compared with the calendar year. The degree of occurrence On the contrary, when the average temperature of April in spring that year was 1-2 degrees Celsius higher than that of previous years and the steady passage of 0 degrees Celsius was earlier than that of previous years, the occurrence of serious problems was serious. Below to 10 years of systematic observation data to illustrate.