摘要
对入选的５个毛白杨优良无性系的生物量进行了系统研究。结果表明，毛白杨各器官生物量与Ｄ或Ｄ￣２Ｈ有密切相关关系；生物量积累主要在干材，其分配规律为：６ａ生前，无性系间各器官生物量分配差异明显；６ａ生后，其分配趋势为干材＞枝＞根＞干皮＞叶；其中３２８，３３７，２０６，１２，１４号毛白杨无性系干材生物量比对照分别提高６１６．５％，５１４．１％，６２５．７％，３５７．４％，１９８．６％；采用相对生长法，对５个无性系各器官生物量增长建立了数学模型，相关系数达０．９９以上。
The paper presents a systematic study on the fine clone biomass of the five se-lected populus. Research results show that there is a close interrelation between each organbiomass and D or D￣2H. The biomass accumulation mainly occurs in the tree trunk ,its dis-tribution law is as follows,each organ varies significantly in biomass between clones within6 year old,While over six years old,its distribution trend as follows,tree trunk>Branch>tree root>bark>tree leaf,among which the tree trunk Clone biomass of populu No. 328,No. 337,No. 206,No. 12 and No. 14 respectively increases by 616.5%,514.1%,525.7%,357.4%. and 198.6% compered with the contrasted one. By relative growth method,amathematical model for biomass increase of all organs of the five clones is formed,with itscoefficient of correlation reaching over 0.999.
出处
《河南农业大学学报》
CAS
CSCD
1995年第2期134-140,共7页
Journal of Henan Agricultural University
基金
河南省科委攻关项目
关键词
毛白杨
无性系
生物量
populu
Clone
biomass
relative growth method
mathematical model
