WANG Wenjun,CHEN Mingxia,LI Mingjun,et al.Effect of Planting Density on the Agronomic Traits,Yield and Quality of virus-free seedling of Rehmannia glutinosa[J].Northern Horticulture,2017,41(07):165-168.[doi:10.11937/bfyy.201707036]
种植密度对脱毒怀地黄生长发育、产量和品质的影响
- Title:
- Effect of Planting Density on the Agronomic Traits,Yield and Quality of virus-free seedling of Rehmannia glutinosa
- Keywords:
- Rehmannia glutinosa; virus-free seedling; agronomic traits; growth and development; yield; quality
- 文献标志码:
- A
- 摘要:
- 以怀地黄为试材，研究了怀地黄脱毒试管苗在不同种植密度下(667 m2种植8 000、12 000、16 000、20 000、24 000株)的生长发育、产量和品质的差异，以寻找适合脱毒怀地黄高产优质的种植密度。结果表明：在相同种植密度下，怀地黄脱毒苗在各个生长阶段的株高、叶片数、冠幅和叶片面积变化较大，其中株高、冠幅、叶面积均在9月达到最大值，叶片数在10月达到最大值，667 m2种植密度为20 000株时株高最高，667 m2种植密度为8 000株时冠幅、叶片数和叶片面积最大；667 m2种植密度为20 000株时产量最高，鲜质量为6 105.80 kg，干质量为1 393.30 kg；梓醇667 m2种植密度为20 000株时达到最大值2.860%，毛蕊花糖苷则在667 m2种植密度为16 000株时达到最大值，为0.085%。综合可知，667 m2种植密度20 000株为脱毒怀地黄种植的最适密度。
- Abstract:
- Rehmannia glutinasa was used as test material,by making a survey on the difference in the growth,yield and quality of Rehmannia glutinasa virus-free seedling growing in different planting density(8 000,12 000,16 000,20 000,24 000 palnt per 667 m2) to find out the best planting density for high-yielding and quality.The results showed that growing in the same planting density,plant height,leaf number,crown breadth and leaf area of virus-free seedling in the different growth stages varied drastically.Plant height,crown breadth and leaf area were all the highest in September,leaf number was the largest in October.Plant height was the highest when planting density was 20 000 plants per 667 m2.Crown breadth,leaf number and leaf area were the largest when planting density was 8 000 plants per 667 m2.Yield was the highest when planting density was 20 000 plants per 667 m2,including fresh weight which was 6 105.80 kg,and dry weight which was 1 393.30 kg.The content of catalpa was the highest,reaching 2.860%,when planting density was 20 000 plants per 667 m2,and the content of acteoside was the highest,reaching 0.085%,when planting density was 16 000 plants per 667 m2.In conclusion,the optimal planting density of Rehmannia glutinosa virus-free seedling was 20 000 plants per 667 m2.
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备注/Memo
第一作者简介：王文君(1992-)，女，硕士研究生，研究方向为药用植物生物技术。E-mail：2269594804@qq.com.责任作者：李明军(1962-)，男，博士，教授，硕士生导师，现主要从事植物生理学教学及药用植物生物技术应用等研究工作。E-mail：limingjun2002@263.net.基金项目：〖JP5〗国家农业科技成果转化资助项目（2009GB2D000226）；国家中医药行业科研专项子课题资助项目（201407005-08）；河南省创新型科技人才队伍建设工程资助项目（C20130037）。