Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2004, Vol. 20 ›› Issue (1): 173-173.

Special Issue: 园艺

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The Difference of Chlorophyll a Fluorescence Parameter in two Common beans Varieties with Heat Tolerance Under High Temperature Stress

Gao lihong Shang qingmao Ma haiyan   

  • Online:2004-02-05 Published:2004-02-05

Abstract: Two different heat-tolerance varieties of common bean (Phaseolus vulgarize L.var.85-CT&BBL-47) were used to study the difference of chlorophyll a fluorescence induction kinetics under high temperature stress (37℃/27℃).The results showed that the chlorophyll fluorescence Fv/Fm and Fv/Fo as well as electron translate rate (ETR) of the two varieties decreased under high temperature stress, but the decrease in heat tolerance variety (85-CT) were less than in heat sensitive variety (BBL-47) .The second kurtosis(M) of chlorophyll fluorescence induction kinetics disappeared in BBL-47 under high temperature stress.