摘要
分析不同种植密度对一年生虎杖(Polygonum cuspidatum Sieb.et Zucc.)幼苗生长发育的影响及二年生苗在5 cm×5 cm种植密度下的生长发育情况。结果表明,不同种植密度对一年生虎杖幼苗茎粗有影响,对茎分枝数无显著影响。二年生虎杖种苗在5 cm×5 cm的种植密度下根系多、主根长、地上茎高、芽头数多,且茎粗≥(0.74±0.15)mm,芽头≥2个。这可能是虎杖种子种苗在生长过程中,种植密度、年限与虎杖种苗地下根茎长度、茎粗生长呈正相关,需要进一步深入研究。
The effects of different planting densities on the growth and development of annual Polygonum cuspidatum Sieb.et Zucc.seedlings were analyzed,and the growth and development of biennial seedlings under the planting density of 5 cm×5 cm.The results showed that different planting densities had an effect on the stem diameter of annual Polygonum cuspidatum Sieb.et Zucc.seedlings,but had no significant effect on the number of stem branches.Under the cultivation density of 5 cm×5 cm,biennial Polygonum cuspidatum Sieb.et Zucc.seed seedlings had more roots,longer taproots,taller stems on the ground,more bud heads,stem diameter ≥0.74±0.15 mm,bud heads ≥2.It may be that the planting density and years of Polygonum cuspidatum Sieb.et Zucc.seed seedlings are positively correlated with the underground rhizoma length and stem diameter growth of Polygonum cuspidatum Sieb.et Zucc.seedlings in the growth process,which needs further study.
作者
刘志培
欧阳友香
周军
周明
张泽志
LIU Zhi-pei;OUYANG You-xiang;ZHOU Jun;ZHOU Ming;ZHANG Ze-zhi(Shiyan Academy of Agricultural Sciences,Shiyan 442000,Hubei,China)
出处
《湖北农业科学》
2021年第8期107-109,共3页
Hubei Agricultural Sciences
