关键词:蜡质;纸质;蝴蝶兰;杂交 F 1 代;性状分离中图分类号:S682.31 文献标识号:A 文章编号:1001 - 4942(2019)01 - 0022 - 06Study on Character Segregation of F 1 Hybrids fromYellow Wax Variety Phalaenopsis ‘C27’ andPurplish Red Papery Variety Phalaenopsis ‘31’Zhu Jiao1 , Lü Xiaohui 1* , Wang Junfeng 1 , Ma Lei 1 , Lan Chengyun 1 ,Miao Jun1 , Sun Yang 1 , Zhang Jihua 2 , Han Wei 1(1.Vegetables and Flowers Research Institute, Shandong Academy of Agricultural Sciences/Shandong ProvincialKey Laboratory of Vegetable Biology/Shandong Branch of National Center for Vegetable Improvement, Jinan 250100, China;2 QiLin Flower Limited Company of Jinan City, Jinan 250100, China)Abstract In the study, Phalaenopsis ‘C27’ with pure yellow and waxy petals and Phalaenopsis ‘31’with purplish red and papery petals were chosen as female and male parents , and the segregation laws of theplant traits and main ornamental characters of F 1 offspring were analyzed.The results indicated that the F 1 off-spring were divided into 7 groups according to the flower characteristics.Except Group 6 which showed deeppurplish red with hidden stripes, the other groups showed significant segregation features of petal backgroundcolor stripes.The variation coefficients of the ornamental traits were analyzed , and the results showed that thelength of inflorescence, the numbers of flowers and the length of peduncles had the largest variation ,and the万方数据 other traits were between or below their parents, showing mid -parent or recessionary heterosis.By the analy-sis of the variation coefficients of plant traits, the plant height,plant crown width and leaf number showed lar-ger variation while the other traits showed less variation.The results of this study could be used to improve theornamental traits of paper red flower by utilizing the advantages of waxy yellow flowers , lay foundations forbreeding excellent single and new lines of Phalaenopsis, and provide guidance for butterfly orchid breeding andparental selection.Keywords Waxy petals; Papery petals; Phalaenopsis; F 1 offspring; Character segregation 蝴蝶兰(Phalaenopsis spp.)为兰科蝴蝶兰属植物,其花型似蝶,色彩鲜艳,花期长久,是我国最流行的兰花种类之一[1, 2]。 蝴蝶兰原生约 66 种,我国台湾原生资源较丰富,并且早在19 世纪初就大量开展杂交育种工作,育成品种遍布世界各地,创造了巨大的经济效益,极大地推动了蝴蝶兰产业的发展[3]。 我国大陆地区是蝴蝶兰的主产区,但由于育种工作起步较晚,缺乏优秀的蝴蝶兰亲本,种质资源主要依赖引进,培育的具有自主知识产权的品种不多,市场占有率低[4]。