关键词: 霍山石斛, 品种, 茎段繁殖

Abstract: ‘Lanshanhu 1’is a new cultivar of excellent wild Dendrobium huoshanense collected in Taiyang Township,Huoshan County,Anhui Province,through hybridization breeding and multiple rounds of selection,and cultivated through stem segment propagation. The stem is clustered and fleshy,with a plant height of 7.0 cm,a stem length of 3.8-4.5 cm,and a stem thickness of 6.83-8.87 mm. The leaves are alternate and broadly lanceolate. The racemes with pale yellow flowers. The fruits are yellow-green,with pod length of 1.5-1.8 cm. The total growth weight of the single cluster stem segments was 69.35 g. It had a high total flavonoid content in the dry product,reaching 0.45%,and a polysaccharide content of 24.02%. Additionally,its drying rate was as high as 31.86%. It exhibits strong stress resistance and stable traits,making it suitable for cultivation in the Dabie Mountains area.

Key words: Dendrobium huoshanense, cultivar, stem segment propagation