A New Dendrobium devonianum Cultivar‘Ziyi’

doi:10.16420/j.issn.0513-353x.2025-0810

Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (S2): 333-334.doi: 10.16420/j.issn.0513-353x.2025-0810

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A New Dendrobium devonianum Cultivar‘Ziyi’

QIU Fenlan¹, GAO Mingfang¹, ZHAO Likui¹, LI Chengzhen¹, YANG Peishi^1,*, YANG Dewen¹, JIANG Hua², DUAN Xing’en³, LI Xingneng³

¹Sanjiangkou State-owned Forest Farm in Longling County,Baoshan,Yunnan 678000,China;
²Baoshan Forestry and Grassland Technology Promotion Station,Baoshan,Yunnan 678000,China;
³Lingyan Amentotaxus Argotaenia Biotechnology County,Limited in Longling County,Baoshan,Yunnan 678300,China

Received:2025-08-29 Revised:2025-10-09 Online:2025-10-28 Published:2025-11-03

Abstract

Abstract: ‘Ziyi’is a new cultivar developed from cultivated fields of Dendrobium devonianum. Its stems are thick,slightly fleshy,with 25-30 nodes,an average length of 86.4 cm and a diameter of 1.11 cm. The sheaths are purplish-red in the early growth stage;at maturity,the sheaths below the 8th node remain purplish-red,while those above the 8th node turn gray-white. The leaves are flat,narrow-ovate,green with purplish-red spots,averaging 10.4 cm in length and 2.6 cm in width. It blooms from April to May,with racemes bearing 3-6 flowers. The pods ripen in October,and the stems mature in December. The fresh stem yield is 3.3 kg · m^-2,with a crude fiber content of 13.1% and a dendrobium polysaccharide content of 55.2% in stems. This cultivar exhibits strong cold resistance and is suitable for cultivation in subtropical cool-temperate regions of the Yunnan-Guizhou Plateau.

Key words: Dendrobium devonianum, cultivar

CLC Number:

S567.23⁺9

QIU Fenlan, GAO Mingfang, ZHAO Likui, LI Chengzhen, YANG Peishi, YANG Dewen, JIANG Hua, DUAN Xing’en, LI Xingneng. A New Dendrobium devonianum Cultivar‘Ziyi’[J]. Acta Horticulturae Sinica, 2025, 52(S2): 333-334.

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A New Dendrobium devonianum Cultivar‘Ziyi’

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