盐碱胁迫对2种地被竹叶绿素含量的影响  

Effects of Saline-Alkaline Stress on Chlorophyll Content in Leaves of Two Kinds of Dwarf Bamboo Species

作　　者：李寿冰 赵钰琪 曹帮华[2] 袁洪振 耿颖 陈炳卓 张家昌 Li Shoubing;Zhao Yuqi;Cao Banghua;Yuan Hongzhen;Geng Ying;Chen Bingzhuo;Zhang Jiachang(Shandong Provincial Institute of Educational Sciences,Jinan 250002,Shandong,China;Key Laboratory of National Forestry and Grassland Administration for the Cultivation of Forests in the Lower Reaches of the Yellow River,Shandong Agricultural University,Tai'an 271018,Shandong,China;Shandong Green Technology Development Co.,Ltd.,Jinan 250014,Shandong,China)

机构地区：[1]山东省教育科学研究院,山东济南250002 [2]山东农业大学黄河下游森林培育国家林业和草原局重点实验室,山东泰安271018 [3]山东省绿色技术发展有限公司,山东济南250014

出　　处：《世界竹藤通讯》2022年第S01期35-43,共9页World Bamboo and Rattan

基　　金：山东高速集团项目(JQJNYG(S)-2022-006)“G35济广高速华山立交北匝道圈绿化提升工程”;山东省良种工程项目“耐寒地被竹良种收集筛选及园林应用”(鲁农科[2009]103号);国家农业科技成果转化基金项目“耐寒地被竹的选育和容器育苗技术示范”(2006GB24320398)。

摘　　要：以黄条金刚竹(Sasaella masamuneana f.aureostriata)、铺地竹(Pleioblastus argenteostriatus)为试材,将2种中性盐NaCl、Na2SO4和2种碱性盐NaHCO3、Na2CO3按不同比例混和,模拟出盐碱度各不相同的盐碱条件,研究不同盐碱胁迫处理对2种地被竹叶绿素含量的影响,旨在为今后优良耐盐地被竹选择及有效应用提供参考。结果表明,低浓度中性盐胁迫下,黄条金刚竹叶绿素a含量呈现“升高—降低—升高”的趋势,其余处理叶绿素a含量变化较为平缓,说明植株始终受到抑制;铺地竹受到胁迫后,叶绿素a在胁迫初期均呈现上升趋势,但随着胁迫时间的推移,叶绿素a含量呈现明显的下降趋势,尤其以盐浓度300 mmol/L处理最为明显。2种竹叶绿素b含量变化基本呈现初期上升后期下降的趋势。碱性盐胁迫下,2种竹的叶绿素a和b含量变化规律不明显,但是含量总体呈现下降的趋势。Two neutral salts,i.e.,NaCl and Na2SO4,and two basic salts,i.e.,NaHCO3 and Na2CO3,are mixed in different proportions to simulate different salinity conditions using Sasaella masamuneana f.aureostriata and Pleioblastus argenteostriatus as test materials.The effects of different saline stress treatments on the chlorophyll content of the two dwarf bamboo species are investigated to provide references for the selection and effective application of excellent salt-tolerant dwarf bamboo species in the future.The results show that the content of chlorophyll a in S.masamuneana f.aureostriata presents an increase-decrease-increase trend under neutral salt stress with low concentration,while the contents of chlorophyll a in the other treatments change more slowly,indicating that the plants were always inhibited.When the dwarf bamboo is under the stress,the chlorophyll a has its content increase at the beginning,but the content substantially decreases over time,especially in the treatment with a salt concentration of 300 mmol/L.The content of chlorophyll b content of both bamboo species generally presents the increase-decrease trend.Under the alkaline salt stress,the contents of chlorophyll a and b of the two bamboo species show no obvious pattern of change,but the contents generally tend to decrease.

关 键 词：盐碱胁迫 地被竹 叶绿素含量 

分 类 号：S795[农业科学—林木遗传育种]