楸树良种‘宛楸8401’

doi:10.11707/j.1001-7488.20120929

Scientia Silvae Sinicae ›› 2012, Vol. 48 ›› Issue (9): 186-186.doi: 10.11707/j.1001-7488.20120929

An Elite Variety of Catalpa bungei ‘Wanqiu 8401’

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:2012-06-13 Revised:1900-01-01 Online:2012-09-25 Published:2012-09-25

Abstract

Abstract:

Catalpa bungei ‘Wanqiu 8401’ is an variety selected from natural populations of C. bungei which is progatated by grafting and cutting methods. Average height and diameter at breast height (DBH) of 5-years- old ‘Wanqiu 8401’was 7.41 m and 7.34 cm, which was improved by 23.5% and 15.6% compared with the control( C. bungei ‘Dayejinsiqiu’); Average DBH and individual volume of old trees was 26.9 cm and 0.43 m³. Moreover, quality of timber had no significant difference between C. bungei ‘Wanqiu 8401’ and ‘Dayejinsi’. This elite variety has the characteristics including fast-growing, excellent timber quality 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 8401’[J]. Scientia Silvae Sinicae, 2012, 48(9): 186-186.

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An Elite Variety of Catalpa bungei ‘Wanqiu 8401’

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