楸树良种‘宛楸8402’

doi:10.11707/j.1001-7488.20121125

Scientia Silvae Sinicae ›› 2012, Vol. 48 ›› Issue (11): 150-150.doi: 10.11707/j.1001-7488.20121125

An Elite Variety of Catalpa bungei ‘Wanqiu 8402’

Ma Wenjun¹, Wang Junhui¹, Zhang Shougong¹, Zhai Wenji², Wang Qiuxia², Wang Ping²

1. State Key Laboratory of Tree Genetics and Breeding Research Institute of Forestry, Chinese Academy of Forestry Beijing 100091;2. Nanyang Forestry Research Institute Nanyang 473000

Received:2012-01-17 Revised:2012-04-09 Online:2012-11-25 Published:2012-11-25

Abstract

Abstract:

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.

Key words: Catalpa bungei, elite variety, selecting and breeding

CLC Number:

S722.3

Ma Wenjun;Wang Junhui;Zhang Shougong;Zhai Wenji;Wang Qiuxia;Wang Ping. An Elite Variety of Catalpa bungei ‘Wanqiu 8402’[J]. Scientia Silvae Sinicae, 2012, 48(11): 150-150.

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An Elite Variety of Catalpa bungei ‘Wanqiu 8402’

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