Preliminary studies on photosynthetic characteristics of Amblystegium serpens

Abstract

Abstract: This paper studies the photosynthtic and respiratory characteristics of Amblystegium serpens, which lives in fountain.The optimum water temperature is 15℃ and the optimum light intensity is 250～400μmol·m^-2 ·s^-1,needed for A. serpens photosynthesis.The photosynthtic rate is the highest at 300μmol·m^-2 ·s^-1 .The light compensation point increased with water temperature,with 10,50,54 and 59μmol·m^-2 ·s^-1 at 10,15,20 and 25℃ respectively.Respiratory rate of A. serpens has a positive relationship with water temperature.

Key words: Bemisia tabaci, Eretmocerus sp, Aschersonia aleyrodis, Effectiveness

CLC Number:

Q945.17

SUN Cunhua, ZANG Xueqin, ZHOU Aihua, LIU Yahong . Preliminary studies on photosynthetic characteristics of Amblystegium serpens[J]. cje, 2003, (1): 57-59.

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Preliminary studies on photosynthetic characteristics of Amblystegium serpens

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