DAI Hai-fang,TANG Ju-xiang,ZHANG Zhi-yong.Effects on Seedling Growth of Festuca arundinacea Schreb by Seed Soaking in PP333[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(10):94-96.
PP333浸种处理对高羊茅幼苗生长的影响
- Title:
- Effects on Seedling Growth of Festuca arundinacea Schreb by Seed Soaking in PP333
- 文章编号:
- 1002-2767（2010）10-0098-03
- Keywords:
- PP333; seed soaking; Festuca arundinacea Schreb; lawn
- 分类号:
- S688.4
- 文献标志码:
- A
- 摘要:
- 以高羊茅(Festuca arundinacea Schreb)为材料，以不同浓度的PP333处理液（0、10、50、100、300、500、700和1 000 mg·L-1）浸种处理，测定其发芽率、发芽指数、活力指数，在幼苗生长过程中分别调查其株高、根系生长、生物量。结果表明：浓度为300 mg·L-1的PP333浸种处理后，显著抑制株高，使总根长增长速度加快、根体积增长最快，对根面积的影响较大，分蘖数最多；播种60 d时，300 mg·L-1处理组显著提高了根冠比、根系活力和根鲜重。
- Abstract:
- With Festuca arundinacea Schreb for the materials,the germination rate,germination index and vitality index were measured by seed soaking in different concentrations of PP333 (0,10,50,100,300,500,700 and 1 000 mg·L-1).In the course of seedling growth stem length,root growth and biomass were investigated.The results showed that:when seed soaking in 300 mg·L-1 PP333,it could significantly inhibit the height,accelerate the growth rate of total root length,make the growing of the root volume the fastest,have a greater impact on the root area and the most tillers number.300 mg·L-1 treatment group significantly increased ratio of root and shoot,root activity and the fresh root weight in sowing 60 days.
参考文献/References:
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备注/Memo
第一作者简介：代海芳（1981-），女，河南省长垣县人，硕士，助教，从事植物生理生化研究。E-mail:muqiuyu001@yahoo.cn。