摘要
‘宛楸8402’是由自然选优育成的楸树良种,通过嫁接和扦插等无性繁殖方式繁殖。5年生时树高和胸径平均为6.60m和6.60cm,较对照‘大叶金丝楸’高10.0%和4.0%;15年生时胸径和单株材积平均达29.40cm和0.48m3,较对照提高65.4%和182.5%,而材质与对照无明显差异。该品种具有速生、材质优良、抗性强等特点。
The variety ＇Wanqiu8402＇ was naturally selected from Catalpa bungei populations which were propagated by grafting and cutting methods.The average height and diameter at breast height（DBH） of five-year-old Catalpa bungei＇Wanqiu8402＇were 6.60 m and 6.60 cm respectively,which were improved by 10.0% and 4.0% compared with the control（C.bungei ＇Dayejinsiqiu＇）;Average DBH and individual volume of 15-year-old trees was 29.40 cm and 0.48 m3,which were improved 65.4% and 182.5% compared with the control.Moreover,qualities of timber had no significant differences between ＇Wanqiu8401＇ and ＇Dayejinsiqiu＇.This elite variety has the characteristics of fast growth,excellent timber qualities,and strong resistance.
出处
《林业科学》
EI
CAS
CSCD
北大核心
2012年第11期150-150,F0003,共2页
Scientia Silvae Sinicae
基金
"十二五"国家科技支撑计划( 2012BAD21B03)
"十一五"国家科技支撑计划( 2006BAD24B08)
关键词
楸树
良种
选育
Catalpa bungei
elite variety
selecting and breeding
