4个杂交桑品种种子及幼苗耐盐碱研究
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摘要
根据东营盐碱地盐分组成,以氯化钠、氯化镁、氯化钙、碳酸氢钠等为主要原料配制成模拟盐水母液,并用该盐水母液的稀释液处理杂交桑种子,比较各品种的相对发芽势,评判种子的耐盐性;之后通过幼苗的茎叶、根干重表现评判幼苗的耐盐性,结果筛选出冀桑3号、桂桑6号两个耐盐杂交桑品种。
According to the salt composition in Dongying saline-alkali soil,the mother salt liquor simulated with the compounds of sodium chloride,magnesium chloride,calcium chloride and sodium bicarbonate was diluted to treat the seeds of mulberry hybrids. The salt tolerance of seeds was evaluated by comparing the relative germination potential,and that of seedlings was judged through dry weight of seedling stems,leaves and roots. In the end,two salt-tolerant mulberry hybrids Jisang 3 and Guisang 6 were screened out.
According to the salt composition in Dongying saline-alkali soil,the mother salt liquor simulated with the compounds of sodium chloride,magnesium chloride,calcium chloride and sodium bicarbonate was diluted to treat the seeds of mulberry hybrids. The salt tolerance of seeds was evaluated by comparing the relative germination potential,and that of seedlings was judged through dry weight of seedling stems,leaves and roots. In the end,two salt-tolerant mulberry hybrids Jisang 3 and Guisang 6 were screened out.
引文
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[2]王遵亲.中国盐渍土[M].北京:科学出版社,1993.
[3]Zhu J K.Plant salt tolerance[J].Trends in Plant Science,2001,6(2):66-71.
[4]买买提依明,夏庆友,吴丽莉,等.新疆沙漠桑树的研究现状与发展方向[J].北方蚕业,2007,28(2):1-4.
[5]秦俭,何宁佳,黄先智,等.桑树生态产业与蚕丝业的发展[J].蚕业科学,2010,36(6):984-989.
[6]张鹏锐,李旭霖,崔德杰,等.滨海重盐碱地不同土地利用方式的水盐特征[J].水土保持学报,2015,29(2):117-121.
[7]祝娟娟,丁天龙,魏从进,等.盐胁迫下不同桑品种种子萌发特性研究[J].蚕学通讯,2013,33(1):1-6.
[8]张会慧,张秀丽,李鑫,等.Na Cl和Na2CO3胁迫对桑树幼苗生长和光合特性的影响[J].应用生态学报,2012,23(3):625-631.
[9]柯裕州.桑树抗盐性研究及其在盐碱地中的应用[D].北京:中国林业科学研究院,2008.
[10]申忠宝,潘多锋,王建丽,等.混合盐碱胁迫对5种禾草种子萌发及幼苗生长的影响[J].草地学报,2012,20(5):914-920.
[11]孙景波,孙广玉,刘晓东,等.盐胁迫对桑树幼苗生长、叶片水分状况和离子分布的影响[J].应用生态学报,2009,20(3):543-548.
[12]张国英,谈建中,刘美娟.盐胁迫对桑种子发芽及幼苗生理生化特性的影响[J].蚕业科学,2004,30(2):191-194.