摘要
目的:研究甘草在不同定植密度下的生长规律,以期为甘草合理密植提供理论依据。方法:采用单因素随机区组法。结果:在不同定植密度下,甘草有随密度的增大而株高降低、芦径减小、主根长缩短、主茎分枝数减小的趋势。甘草根、地上部分及根茎干物质积累均有随定植密度增大而减小的趋势。结论:综合分析得出甘草以27万株/hm2为适宜定植密度。
Objective： To study the growth of Gtycyrrhiza uralensis under different planting density for providing theoretic evidence for reasonable planting density. Method： The field experiment was designed by single factor randomized block. Result： The plant height, root diameter, main root length and branches of main stem were all decreased with increasing planting density of G. uralensis. Meanwhile, dry matter accumulation on root, leaf, aerial part and rhizome were all decreased with increasing planting density. Conclusion： Two hundered and seventy thousand plants/hm^2 was feasible planting density.
出处
《中国中药杂志》
CAS
CSCD
北大核心
2008年第10期1117-1120,共4页
China Journal of Chinese Materia Medica
基金
农业部948项目(2003-T25)
关键词
甘草
定植密度
生长规律
干物质积累
Glycyrrhiza uralensis
planting density
growth law
dry matter accumulation
