WANG Xiang,GAO Yong,WANG Ji,et al.Effect of GGR-6 on the Seed Germination and Seedling Physical Characteristics of Medicago sativa[J].Northern Horticulture,2016,40(15):67-71.[doi:10.11937/bfyy.201615017]
植物生长调节剂GGR-6对
- Title:
- Effect of GGR-6 on the Seed Germination and Seedling Physical Characteristics of Medicago sativa
- 文献标志码:
- A
- 摘要:
- 以紫花苜蓿种子为试材，采用不同浓度GGR-6（GGR-6号生根粉）溶液（0、50、100、150、200 mg?L-1）处理苜蓿种子，研究了GGR-6对紫花苜蓿种子萌发及芽苗生理特性的影响。结果表明：GGR-6能够显著提高苜蓿种子的发芽率、发芽势；苜蓿芽苗叶片中叶绿素含量、过氧化物酶（POD)、超氧化物歧化酶(SOD)、过氧化氢酶(CAT)活性和相对电导率(REC)均随GGR-6浓度的增加呈上升趋势；游离脯氨酸含量（Pro)和丙二醛(MDA)含量均随GGR-6浓度的增加呈下降趋势；利用隶属函数法对苜蓿芽苗11个指标的隶属函数值进行计算，综合评定GGR质量浓度（mg?L-1）从高到低的排序为100>150>200>50>0(CK)。筛选出GGR-6对苜蓿种子萌发及芽苗生理特性的最佳浓度为100 mg?L-1，为提高紫花苜蓿产量和质量提供了一定理论依据。
- Abstract:
- Taking Medicago sativa as material，the effect of different concentration of GGR-6(0 mg?L-1,50 mg?L-1,100 mg?L-1,150 mg?L-1,200 mg?L-1) on seed germination and seedling physiological characteristics of Medicago sativa was studied.The results showed that the seed germination rate and germination potential could be increased by GGR-6，the chlorophyll content，POD，SOD，CAT activities and REC in the seedling leaves were all increased with the concentration of GGR-6 increasing.The content of Pro and MDA showed the opposite trend as above；the membership function values of the 11 indexes were calculated by use of membership function，the comprehensive assessment of the values from high to low was G100>G150>G200>G50>CK.The most suitable concentration of GGR-6 was 100 mg?L-1 for the best growth of the Medicago sativa seedling.It could provide theoretical basis for the promotion of the output and quality of the Medicago sativa.
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备注/Memo
第一作者简介：王香(1990-)，女，内蒙古乌海人，硕士研究生，研究方向为荒漠化防治。E-mail：844199417@qq.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。E-mail：wangji1957@163.com.基金项目：内蒙古农业大学优秀青年基金资助项目（2014XYQ-8）；国家林业公益性行业科研资助项目(201204205)。