Differences of Photosynthesis Characteristics and IsOZyme Zynograms in Several Hybrids Between Sorghum and Sudangrass

doi:10.3321/j.issn:1000-7091.2004.03.005

Abstract

Abstract: The isO_Zyme zymograms and photosynthetic characteristics of 5 pacesetters(hybrids between Sorghum and Sudangrass) and 2 sudangrasses were aNa⁺lyzed. Based on the results measured by 4 photosythetic indices including net photosynthetic rate，stomatal conductance, intercellular CO_Z concentration and transpira-tion，the results of comprehensive evaluation of photosynthesis capability of 7 tested plants showed that Mengnong Qingsi No.3 ^'Mengnong Qingsi No. 1=Mengnong Qingsi No. 7=Jiabao^'Black hull sudangrass= White hull sudangrass>Jianbao. 7 tested plant materials were diffent in the number，locus and intensity of proxidase (POD) and superoxide dismutase (SOD) isO_Zyme bands at tillering stage，which are the important ba-sis for identifying tested plants in protein level;the zymogram phenotypes of a isO_Zyme are varied with different developing stages and different organs of a plant，to aNa⁺lyze and compare isO_Zyme zymograms of tested plant materals at different developing stages and different organs could reflect the genetic differences more accurately to enhance the accuracy of identified result than at only one stage and one organ.

Key words: Sorghum, Sudangrass, Hybrid , Photosynthetic characteristics, IsO_Zyme zynogram phenotype

CLC Number:

QIN Yong-mei, YU Zhuo, ZHAO Na, ZHAO Xiao-jie, LIU Yong-wei. Differences of Photosynthesis Characteristics and IsO_Zyme Zynograms in Several Hybrids Between Sorghum and Sudangrass[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(3): 18-21. doi: 10.3321/j.issn:1000-7091.2004.03.005.

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