摘要
为闽楠育苗提供理论依据和技术指导,通过设置5个育苗密度,研究其对闽楠苗生长及生理的影响。结果表明:随着育苗密度的增加,2年生闽楠苗的苗高、地径、主根长、叶面积、生物量、根系活力、保水能力均呈先上升后下降趋势,而叶绿素含量则呈逐渐下降低趋势。通过综合评价,生产上闽楠适宜的育苗密度为50株/m^2(10cm×20cm)。
To provide theoretical basis and technical guidance for P.bournei seedlings raising,by designing five seedling densities,the effects of different seedlings density on growth and physiology of P.bournei seedlings were studied.The results showed that the height,diameter,root length,leaf area,biomass,root activity and water retention capacity of two-year P.bournei seedlings increased first then decreased with the increase of the seedling density,while the chlorophyll content gradually decreased.By comprehensive evaluation,the density of 50plants/m^2（10cm×20cm）was the most appropriate seedling density in practice.
出处
《贵州农业科学》
CAS
2015年第12期139-142,共4页
Guizhou Agricultural Sciences
基金
贵州省林业厅重大专项"贵州优质阔叶用材树种培育与示范"[黔林科合(2010)重大02]
贵州省优秀青年科技人才基金项目"珍贵用材树种闽楠种苗质量保障技术及栽培生理基础研究"[黔科人合字(2011)15]
关键词
闽楠
育苗密度
形态指标
生理指标
Phoebe bournei
seedling density
morphological indices
physiological indices
