Qiao Yake Li Guilan Gao Shugo Bi Yanjuan.THE STUDY ON SALT -TOLERANCE ABILITY AND INDUCTION OFCALLUS OF WILD SOYBEAN IN EASTERN OF HEBEI PROVINCE[J].Soybean Science,2002,21(03):208-213.[doi:10.11861/j.issn.1000-9841.2002.03.0208]
冀东地区野生大豆愈伤组织诱导及其耐盐性
- Title:
- THE STUDY ON SALT -TOLERANCE ABILITY AND INDUCTION OFCALLUS OF WILD SOYBEAN IN EASTERN OF HEBEI PROVINCE
- 文章编号:
- 1000 -9841(2002)03 -0208 -06
- Keywords:
- Wild soybean ; Callus ; Salt -tolerance
- 分类号:
- S565.1 S336
- 文献标志码:
- A
- 摘要:
- 以冀东沿海及内地不同条件下生长的14 个野生大豆为试验材料, 选取下胚轴和子叶作为外植体, 在四种不同成分的培养基上诱导愈伤组织, 经继代观察愈伤组织的质量。同时, 在含不同浓度NaCl(0 、0 .2 %、0 .4 %、0 .6 %、0 .8 %、1 .0 %)的继代培养基上, 观察愈伤组织的耐盐性。试验结果表明:诱导野生大豆愈伤组织的适宜培养基为MS +2 , 4 -D 2 .0mg/L +6 -BA0 .5 mg/L +蔗糖5 %+琼脂0 .8 %;不同材料之间愈伤组织的耐盐性有明显差异, 耐盐性强的可在0 .8 %NaCl 浓度下生存, 低的只能忍耐0 .2 %NaCl 含量;本试验确定野生大豆愈伤组织耐盐性鉴定适宜的浓度为0 .6 %左右;盐碱条件下生长的野生大豆一般耐盐性较强, 非盐碱环境下生长的野生大豆耐盐性也存在着耐盐性较强的类型, 说明生长环境与细胞水平的耐盐性之间并没有完全的对应关系。
- Abstract:
- The 14 genoty pes of wild soy bean growing at different condi tions in eastern of Hebei province w erestudied in this paper .Hypocotyls and co tyledon were used as ex plants , through tissue culture , calli w as inducedon 4 kinds of medium containing different composition .The calli were subcultured on D4 medium for 4 times.The salt -tolerance of calli was observed on dif ferent medium containing 0 .0 , 0 .2 , 0 .4 , 0 .6 , 0 .8 , 1 .0 %NaCl.Abili ty of salt -tolerance w as identif ied through g row th amount , quality , becoming brow n and death ratio of calli.The result s show ed that MS +2 , 4 -D2 .0mg/L +6 -BA0 .5mg/L +sucrose 5 %+ag ar 0 .8 % is the bestmedium for callus induction .Salt -tolerance ability of calli had obvious dif ferent among different w ild soybean .The stronger salt -tolerance w ild soybean could survive at the concent ration of 0 .8 %NaCl .The ability of salt -tolerance of 6 、7 、10 、11 、12 、14 w as stronger , the g row th amount and quality of calli descended with the rising ofconcent ration of NaCl.The experiment indicated that screening concent ration fo r salt -tolerance of w ild soybeanis 0 .6 %NaCl.Generally , the w ild soybeans f rom saline soil have st ronger abili ty of salt -tolerance ,w here as,the w ild soybean f rom non -saline environment have very strong existing ability in NaCl medium , too .There w as no t complete co rrespondence relatio n betw een g row th environment and salt -tolerance ability at cell level.The results sug gested that the relation of salt -tolerance ability at cell level and plant level should study further .
参考文献/References:
1 邵桂花, 常汝镇, 陈一舞.大豆耐盐性研究进展[ J] .大豆科学,1993 , 12(3):244 -248 .
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备注/Memo
作者简介:乔亚科(1964 -), 男, 副教授, 从事大豆等遗传资源及育种研究。