东北刺人参的物候观测

[目的]研究东北刺人参的物候期。[方法]通过对东北刺人参物候期的观测,研究其与气温、空气湿度和地温的关系,掌握其生长规律。[结果]刺人参芽萌动期从5月7日开始,为期8 d,日均气温15℃,空气湿度41%,地温8.5℃;展叶期从5月15日开始,为期9 d,日均气温26℃,空气湿度43.5%,地温15.7℃。结实期从8月8日开始,日均气温26℃,空气湿度81%,地温26.7℃。落叶期从10月15日开始,日均温14℃,空气湿度53%,地温13.1℃。[结论]芽萌动期是5月7日,展叶期5月15日,结实期8月8日,落叶期10月15日。

Observation on the Phenological Phase of Oplopanax elatus Nakai

[Objective] To study the phenological phase of Oplopanax elatus Nakai.[Method] By the study of the phenological observation,and the relations with temperature,air humidity and soil temperature,the growth law of O.elatus was grasped.[Result] Sprouting time of O.elatus started from May 7,for a period of eight days,when the daily mean temperature was 15 ℃,air humidity was 41% and the soil temperature was 8.5 ℃.Leaf-expansion period started from May 15,for a period of nine days,when the daily mean temperature was 26 ℃,air humidity was 43.5% and the soil temperature was 15.7 ℃.Productive phase started from August 8,when the daily mean temperature was 26 ℃,air humidity was 81% and the soil temperature was 26.7 ℃.Deciduous period started from October 15,when the daily mean temperature was 14 ℃,air humidity was 53% and the soil temperature was 13.1 ℃.[Conclusion] Sprouting time was May 7,leaf-expansion period was May 15,productive phase was August 8,deciduous period was October 15.