广西林业科学2024，Vol.53Issue(3)：295-301,7.DOI:10.19692/j.issn.1006-1126.20240303
25个奇楠沉香无性系生长与光合生理特征分析
Analysis on Growths and Photosynthetic Physiological Characteristics of 25 Aquilaria sinensis'Qi Nan'Clones
摘要
Abstract
In order to screen excellent clones which were suitable for promotion and cultivation in Huizhou,Guangdong,taking 25 Aquilaria sinensis'Qi Nan'clones as study materials,differences in growth traits and pho-tosynthetic physiology among different clones and their correlations were analyzed,and cluster analysis was per-formed.Results showed that there were significant differences among different A.sinensis'Qi Nan'clones in preservation rate,seedling height,ground diameter,crown width and photosynthetic physiological parameters.Preservation rates were from 22.7%to 95.0%.Seedling heights were from 117 to 210 cm.Ground diameters were from 16.8 to 34.3 mm.Seedling height had extremely significant positive correlation with ground diameter and had significant positive correlation with preservation rate.Cluster analysis classified 25 A.sinensis'Qi Nan'clones into six clusters.The first cluster had better growths,including Diao YW,Ao S and Lan BS with preser-vation rates from 91.7%to 95.0%,seedling heights from 192 to 194 cm and ground diameters from 28.1 to 30.9 mm respectively.The second cluster had higher seedling heights from 199 to 210 cm,including Jin SZ,Qi NYH,Jin SY and Zhi TJ.The third cluster had higher preservation rates from 80.1%to 93.7%,including Jin ShaY,Pu TT,Tu YW,Xiang SYH,Da YP and Hei ZZ.Preservation rates,seedling heights and ground diame-ters in other clusters were relatively lower.Diao YW,Ao S and Lan BS showed fast growths and higher preserva-tion rates in Huizhou,and could be promoted in Huizhou as excellent clones.关键词
无性系/生长/光合生理/聚类分析/奇楠沉香Key words
clone/growth/photosynthetic physiology/cluster analysis/Aquilaria sinensis'Qi Nan'分类
林学引用本文复制引用
张启雷,刘小金,李小飞,方小英,徐大平,朱士铭,钟锦祥,熊咏梅..25个奇楠沉香无性系生长与光合生理特征分析[J].广西林业科学,2024,53(3):295-301,7.基金项目
中央级公益性科研院所基本科研业务费专项资金资助项目(CAFYBB2022SY018) （CAFYBB2022SY018）
广东省基础与应用基础研究基金项目(2024A1515011221) （2024A1515011221）
广州市科技局社会发展项目(202206010058) （202206010058）
林业和草原科技成果国家级推广项目(2020133130) （2020133130）
