红叶海棠对SO_(2)胁迫的抗性生理响应  

Resistance Physiological Responses of Malus yunnanensis var.veitchii to SO_(2)Stress

作　　者：杨帆[1] 于忠亮 付世萃[2] 刘璐 刘伟林 张大伟[1] YANG Fan;YU Zhongliang;FU Shicui;LIU Lu;LIU Weilin;ZHANG Dawei(Jilin Provincial Academy of Forestry Sciences,Changchun 130033,China;Forestry Investigation and Planning Institution of Jilin Province,Changchun 130022,China;Wudaogou Forest Farm of Liuhe County,Tonghua 135300,China)

机构地区：[1]吉林省林业科学研究院,吉林长春130033 [2]吉林省林业调查规划院,吉林长春130022 [3]柳河县五道沟林场,吉林通化135300

出　　处：《吉林林业科技》2023年第6期14-17,34,共5页Journal of Jilin Forestry Science and Technology

摘　　要：利用密闭装置熏气处理,研究不同质量浓度和不同熏气时间条件下SO_(2)对红叶海棠叶片中叶绿素含量、超氧化物歧化酶(SOD)活性和含硫量的影响。结果表明:随着SO_(2)质量浓度的增加和胁迫时间的延长,叶绿素含量逐渐减少,SOD活性呈现出先升高后下降的趋势,含硫量呈现先增加后降低的变化趋势,红叶海棠对SO_(2)有较好的吸附能力,叶片相对净化率达到68.46%,是对SO_(2)胁迫抗性较强的树种。The effects of SO_(2)on chlorophyll content,superoxide dismutase(SOD)activity and sulfur content in leaves of Malus yunnanensis var.veitchii were studied under fumigation treatment in a close device with different concentration and fumigation time.The results showed that with the increase of SO_(2)concentration and fumigation time,chlorophyll content decreased gradually,SOD activity increased first and then decreased,and sulfur content increased first and then decreased.Malus yunnanensis var.veitchii had a good adsorption capacity for SO_(2),and the relative purification rate of leaves reached 68.46%,so it was the species with strong resistance to SO_(2)stress.

关 键 词：红叶海棠 SO_(2)胁迫 生理响应 

分 类 号：S661.1[农业科学—果树学] S687[农业科学—园艺学]