Developmental threshold temperature and effective thermal summation of Phthanandria atrilineataButler
Author of the article:GUO Hui-Ling,SUN Xu-Gen
Author's Workplace：(Collegeof Forestry Shandong Agricultural University,Taian 271018,).
Key Words：Phthanandria atrilineata Butler;developmental threshold;effective thermal summation
Abstract：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