Early Growth Performance of Easy-to-aroma Aquilaria sinensis Varieties in Zhaoqing Area
In order to screen the excellent Aquilaria sinensis suitable for promotion and planting in Gaoyao area,Zhaoqing,Guangdong,12 Aquilaria sinensis Clones(Ziqi,Youyezi,Tangjie,Oushen,Xiguaye,Jinsiyou,Zhangshaobolang,Lanbaoshi,Xiangshi Ⅱ,Hongbaoshi,Jinshao,Qinan Ⅰ)were selected as the research objects,analyzing the growth indexes during the young stage such as tree height,ground diameter,and preservation rate.The result showed that the preservation rate among the 12 clones was between 75% and 96% .In terms of tree height,Oushen,Hongbaoshi,and Qinan I had the highest tree height growth,with an average of over 140 cm.Youyezi was the slowest growing variety,with an average height of only about 80 cm.In terms of ground diame-ter,Oushen had the largest ground diameter,with an average ground diameter of 37.26 mm.In terms of height-diameter ratio,Xiguaye and Jinshao were the largest,and the average height-diameter ratios were 5.39 and 5.58.Combined with the early growth traits,Oushen has a fast growth rate,the largest ground diameter growth,and the strongest adaptability,which is suitable for growth in Zhaoqing Gaoyao area.
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