YANG Yu-fei,GUO Chun-lan,XIAO Cui-hong,et al.Effects of Actinomyces sp.on Germination of Tobacco Seed[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(06):120-122.
放线菌发酵液对烟草种子萌发影响
- Title:
- Effects of Actinomyces sp.on Germination of Tobacco Seed
- 文章编号:
- 1002-2767（2012）06-0120-03
- Keywords:
- tobacco; actinomyces; germination potential
- 分类号:
- S572.05
- 文献标志码:
- A
- 摘要:
- 为了检测实验室获得的有益拮抗放线菌的促生能力，以烟草种子为研究材料，利用放线菌不同浓度发酵液喷雾的方式，研究了其发酵液对种子萌发的影响。摇床培养得到的4种发酵液按1.1+4.1、E+C、1.1+4.1+E+C的组合配制成3种不同混合发酵液，每种混合发酵液分别用Hoagland营养液和无菌水配制成10%、20%、40%、50%、60%不同浓度梯度，对烟草种子进行处理。结果表明：在20%~50%的浓度时，实验室筛选的生防能力较强的4种放线菌对烟草种子的萌发均有不同程度的促进作用，发芽势增加；当发酵液的浓度达到60%时，对烟草种子的萌发出现抑制作用，发芽势减弱。
- Abstract:
- In order to determine the ability to promote plant growth of obtained actinomyces strain,taking tobacco seeds as research materials，using the method of spraying different concentrations of fermentation,the effect of fermentation on tobacco seed germination was studied.Three different mixture was mixed by 1.1+4.1,E+C,1.1+4.1+E which obtained of actinomycetes fermentation by shaking cultured,and then the three mixed fermentation were prepared of different concentrations,such as 10%,20%,40%,50% and 60% which was diluted by water and Hoagland respectively to treat tobacco seed.The results showed that:in the range of 20%~50% concentration,the germination of tobacco seed was promoted by those four strains,the germinating potential was increased,but when the concentration was 60%,the germination of tobacco seed was inhibited，the germinating potential was reduced.
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备注/Memo
基金项目： 黑龙江省教育厅科研资助项目（面上）（12511361）