桑尺蠖的发育起点温度和有效积温
Developmental threshold temperature and effective thermal summation of Phthanandria atrilineataButler
郭慧玲;孙绪艮
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DOI：10.7679/j.issn.2095-1353.2000.059
作者单位：山东农业大学林学院,泰安271018
中文关键词：桑尺蠖;发育起点温度;有效积温
英文关键词：Phthanandria atrilineata Butler;developmental threshold;effective thermal summation
中文摘要：在室内恒温条件下测定了桑尺蠖的发育历期。对试验结果采用 2种方法计算 ,并用变异系数来检验。结果表明 ,对于早春出蛰后的越冬幼虫和非越冬代 ,用直接最优化法计算所得的结果更接近实际 ;越冬幼虫的发育起点温度(C)为 (3.4± 0.7)℃ ,有效积温 (K )为 497.5日
英文摘要：The developmental periods of Phthanandria atrilineata Butler were determined at five constant temperatures in experiments.Two calculating methods were adopted to analyse the experimental data and the calculated results were tested by coefficient of