栗山天牛发生期预测预报技术研究

Forecast of the occurrence of Mallambyx raddei

根据调查 ,制定了栗山天牛发生期期距值表 ,建立了回归预测式 ,为准确预报栗山天牛各虫期出现时间提出了科学的方法 ,并为选择最佳防治时机提供了依据。

On the basis of investigation,the table of the occurrence intervals between stages of Mallambyx raddei was developed and regression prognosis model established,thus the scientific methods of exactly forecasting the occurrence of all stages were provided.