LIU Zongqi,GAO Yong,WANG Ji,et al.Effect of Different Concentrations of PP333 and GGR6 on Seed Germination of Medicago sativa[J].Northern Horticulture,2015,39(20):61-64.[doi:10.11937/bfyy.201520016]
不同浓度PP333和GGR6对紫花苜蓿种子发芽的影响
- Title:
- Effect of Different Concentrations of PP333 and GGR6 on Seed Germination of Medicago sativa
- Keywords:
- PP333; GGR6; germination rate; germination potential; Medicago sativa
- 文献标志码:
- A
- 摘要:
- 以紫花苜蓿（Medicago sativa L.）种子为试材，分别用浓度为50、100、150、200 mg/L的多效唑（PP333）和生根粉（GGR6）溶液浸泡苜蓿种子（2 h），以蒸馏水浸种为对照（CK），在人工气候箱内进行种子发芽试验，以探讨2种植物生长调节剂对紫花苜蓿种子发芽的影响。结果表明：50 mg/L PP333处理的苜蓿种子发芽最好，发芽率为80.67%，显著性高于对照组（P=0.003 3），PP333浓度大于150 mg/L时，对苜蓿种子的萌发抑制作用明显。GGR6浓度高于100 mg/L时，对苜蓿种子的萌发具有明显抑制作用。由此得出，50 mg/L PP333最有利于苜蓿种子的萌发，而GGR6对苜蓿种子的萌发没有明显促进作用。
- Abstract:
- In order to investigate the effect of the two plant growth regulators on seed germination of Medicago sativa,Medicago sativa seed materials were used at a concentration of 0,50,100,150,200 mg/L of PP333 and GGR6 solution soaking (2 hours) Medicago sativa seed,distilled water soaking seeds as CK，in artificial climate chamber for seed germination test.The results showed that the concentration of 50 mg/L solution treated under PP333 Medicago sativa seed had the best germination rate of 80.67%,significantly higher than the control (P=0.003 3),PP333 concentration greater than 150 mg/L,it affected the germination rate obviously.GGR6 concentration higher than 100 mg/L,the Medicago sativa seed germination was significantly constrained.It concluded that concentration of 50 mg/L PP333 solution was the most conducive to Medicago sativa seed germination,and Medicago sativa seed germination under treatment of GGR6 had no significant role in promoting the germination.
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备注/Memo
第一作者简介：刘宗奇(1991-)，男，宁夏吴忠人，硕士研究生，研究方向为荒漠化防治。Email：nndlzq@163.com.责任作者：汪季(1957-)，男，山东济南人，博士，教授，博士生导师，研究方向为荒漠化防治。Email：wangji1957@163.com.基金项目：内蒙古自治区自然科学基金资助项目(2014ZD03)；国家林业公益性行业科研资助项目(201204205)。