Betula pendula ‘Zixia 1’: a new birch cultivar

doi:10.12302/j.issn.1000-2006.202006049

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (5): 245-246.doi: 10.12302/j.issn.1000-2006.202006049

Betula pendula ‘Zixia 1’: a new birch cultivar

LIU Guifeng¹(), ZHANG Shuhui¹, LI Huiyu¹, JIANG Jing¹, CHEN Su¹, HUANG Haijiao¹, LI Changhai²

1. State Key Laboratory of Tree Genetics and Breeding(Northeast Forestry University), Harbin 150040, China
2. Heilongjiang Forest Botanical Garden,Harbin 150040, China

Received:2020-06-21 Accepted:2020-07-27 Online:2021-09-30 Published:2021-09-30

Abstract

Abstract:

【Objective】 To meet the demands of landscape cultivars with colorful foliage, Betula platyphylla, a native birch species growing in northeast China has been cultivated widely. 【Mothed】With B. pendula ‘Purple Rain’ as female and B. platyphylla as male parent, a newly released variety of Betula pendula ‘Zixia 1’ exhibits strong cold hardiness. 【Result】 ‘Zixia 1’ is obtained through a series of breeding steps including crosses, family and individual selections. The main ornamental characteristics of ‘Zixia 1’ have gray white trunk, reddish brown branches and purple leaves. The leaves are changed with the seasons. All leaves are purple in spring, green in summer, purple in early autumn and dark purple pink in late autumn. 【Conclusion】 The cultivar ‘Zixia 1’ grows best in slightly acid to neutral loam in Heilongjiang, Jilin and Liaoning Provinces.

Key words: purple leaf plant, birch new variety, Betula pendula‘Zixia 1’

CLC Number:

S722.5

LIU Guifeng, ZHANG Shuhui, LI Huiyu, JIANG Jing, CHEN Su, HUANG Haijiao, LI Changhai. Betula pendula ‘Zixia 1’: a new birch cultivar[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(5): 245-246.

Figures/Tables 1

References 5

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Betula pendula ‘Zixia 1’: a new birch cultivar

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