LIU Bing,ZHAI Rui-chang,ZHENG Dian-feng,et al.Effect of Plant Growth Regulators(PGRs)on Root Architecture Characters and Metabolism of Assimilation Material of Soybean[J].Soybean Science,2009,28(05):824-827.[doi:10.11861/j.issn.1000-9841.2009.05.0824]
植物生长调节剂对大豆根建成期部分根系特性及同化物的影响
- Title:
- Effect of Plant Growth Regulators(PGRs)on Root Architecture Characters and Metabolism of Assimilation Material of Soybean
- 文章编号:
- 1000-9841(2009)05-0824-04
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 以垦农4号大豆(Glycine max)为材料,通过植物生长调节剂DTA-6(2-N,N-二乙胺基乙基己酸酯)和S3307(烯效唑)对大豆进行浸种处理,研究了2种调节剂在不同浓度条件下对大豆根系特性及根系同化物的影响。结果表明:D50和S0.4提高了根系中可溶性糖含量,硝态氮含量,有效的提高了根建成前期的根系活力,而D50和S0.1提高了后期的根系活力。D25和S0.4明显提高了可溶性蛋白含量。可见D50和S0.4处理浸种效果最佳,有效地提高了根系活力,增加了根系同化物的含量。
- Abstract:
- A soybean(Glycine max)cultivar,Kennong 4 with seed soaking treatments by different concentration of plant growth regulator Diethyl aminoethyl hexanoate(DTA-6)and Uniconazole(S-3307)were employed to compare root activity,content of soluable sugar,soluable protein and nitrate in early stage of root formation.The results showed that,compared with CK,50 mg.L-1 DTA-6 and 0.4 mg.L-1S3307treatment increased the root soluble sugar and nitrate content,effectively increased root activity in early stage of root formation;while 50 mg.L-1 DTA-6 and 0.1 mg.L-1S3307treatment effectively increased root activity in later stage of root formation;25 mg.L-1 DTA6 and 0.4 mg.L-1S3307treatment effectively increased root soluable protein content in later stage of root formation.The results above indicated that 50 mg.L-1 DTA-6 and 0.4 mg.L-1S3307seed soaking treatment is effective to increase root activity and assimilate accumulation in root formation of soybean.
参考文献/References:
[1]刘桃菊,戚昌瀚,唐建军.水稻根系建成与产量及其构成关系的研究[J].中国农业科学,2002,35(11):1416-1419.(Liu T J,Qi C H,Tang J J.Studies on relationship between the character parameters of root and yield formation in rice[J].Scientia Agricultura Sinica,2002,35(11):1416-1419.)
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备注/Memo
基金项目:黑龙江省研究生科研创新资金资助项目(YJSCX2008-072HLJ);国家教育部博士点基金联合资助项目(20070223002);国家科技支撑计划项目(2006BAD21B01);黑龙江省“十一五”科技攻关资助项目(GA06B101-1-1)。