WU Guang-yan,QIU De-wen,YANG Xiu-fen,et al.EFFECTS OF NEW FUNGAL ACTIVATOR PROTEIN ON PHYSIOLOGICAL CHARACTERS OF SOYBEAN[J].Soybean Science,2007,26(05):691-694.[doi:10.3969/j.issn.1000-9841.2007.05.010]
新型真菌源激活蛋白对大豆幼苗生理特性的影响
- Title:
- EFFECTS OF NEW FUNGAL ACTIVATOR PROTEIN ON PHYSIOLOGICAL CHARACTERS OF SOYBEAN
- 文章编号:
- 1000-9841(2007)05-0691-04
- Keywords:
- Soybean; Activator protein; Chlorophyll; Soluble sugar; Soluble protein
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为探讨真菌源激活蛋白在促进植物生长和增产方面的作用机理,研究了不同浓度激活蛋白处理对大豆幼苗生理特性的影响。结果表明,经1、2、5 μg mL-1激活蛋白处理后7 d,大豆幼苗根系活力比对照分别增加了44.2%、54.5%和19.8%,硝酸还原酶活性比对照分别增加了61.33%、138.37%和53.2%;处理后12 d,植物叶片叶绿素含量比对照分别增加了12.56%、17.32%和5.32%,可溶性糖含量比对照分别增加了18.56%、31.02%和18.69%,可溶性蛋白含量比对照分别增加了17.36%、31.96%和23.10%。不同浓度激活蛋白均能促进与植物生长相关的生理指标的提高,其中以2 μg mL-1的作用效果最好。
- Abstract:
- In order to approach the mechanism of enhancing plant growth by new fungal activator protein,the effect of activator protein with different concentration on physiological characteristics of soybean was studied.Compared with control after 7 d treatment with 1,2 and 5 μg mL-1activator protein,root activity of soybean was increased by 44.2%、54.5% and19.8%,and nitratereductase activity was increased by 61.33%、138.37% and 53.2%,respectively.Compared with control after 15 d treatment with 1,2 and 5 μg mL-1?activator protein,the content of chlorophyll in leaves was increased by 12.56%,17.32% and 5.32%,the content of soluble sugar was increased by 18.56%,31.02% and 18.69%,and the content of soluble protein was increased by 17.36%,31.96% and 23.10%,respectively.In conclusion,after plants were treated with activator protein of different concentration,the physiological indexes related to plant growth were all enhanced to different degree,and the effect of 2 μg mL-1activator protein was of best efficiency to the plant.
参考文献/References:
[1]Dixon R A,Lamb C J.Molecular communication in interactions between plants and microbial pathogens[J].Annu Rev of Plant Physiol and Plant Mol Biol,1990,40:347-364.
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备注/Memo
基金项目:国家重点基础研究发展计划(“973”计划)(2003CB114204);国家高技术研究发展计划(“863”计划)(2003AA241130)