石斛新品种‘勐焕默雅’和‘彩瓣黄喉’

New Cultivar Dendrobium‘Menghuanmoya’and‘Caibanhuanghou’

‘勐焕默雅’是以檀香石斛为母本,黄喉石斛为父本杂交选育出的新品种。其茎丛生,圆柱形,长46~67 cm,粗0.9~1.2 cm;叶长椭圆形,长9.1~11.5 cm,宽2.5~3.9 cm;花横径9.8~12.2 cm,萼片和花瓣紫红色,轻微扭曲,唇瓣喉部白色(2015RHS NN155D),花有淡淡檀香。‘彩瓣黄喉’是以黄喉石斛为母本,金钗石斛为父本杂交选育的新品种。其茎长36~47 cm,粗0.8~1.1 cm;叶长圆形,长8.6~12.1 cm,宽2.8~3.5 cm;花横径8.1~10.2 cm,萼片和花瓣浅紫红色(2015RHS 77B),扭曲程度弱。2个石斛新品种花期4—6月,带叶开花,适宜云南海拔1 000~1 500 m地区或温室种植。

‘Menghuanmoya’is a new Dendrobium cultivar developed by hybridizing seed parent D.anosmum with pollen parent D.signatum.Its pseudobulb is clustered,cylindrical,46-67 cm long,diameter 0.9-1.2 cm.Its leaves are elongated oval,9.1-11.5 cm long and 2.5-3.9 cm wide.The flowers have a horizontal diameter of 9.8-12.2 cm,with sepals and petals colored purplish-red(2015 RHS NN78D),slightly twisted,and a white throat on the lip(2015 RHS NN155D).The flowers emit a faint sandalwood scent.‘Caibanhuanghou’is a new Dendrobium cultivar developed by hybridizing seed parent D.signatum with pollen parent D.nobile.Its pseudobulb measure 36-47 cm in length and 0.8-1.1 cm in diameter,with nearly elongated oval leaves measuring 8.6-12.1 cm in length and 2.8-3.5 cm in width.The flowers have a horizontal diameter of 8.1-10.2 cm,with the flower sepals and petals being a light purplish-red color(2015 RHS 77B),exhibiting a weak degree of twisting.Both new cultivar of Dendrobium bloom from April to June,flowering with leaves,and are suitable for cultivation in regions of Yunnan at elevations of 1000-1500 m or in greenhouses.