药食同源蔬菜赤苍藤新品种桂赤苍藤1号和桂赤苍藤2号的选育

New Erythropalum scandens Blume Varieties with Medicinal and Edible Vegetable—‘Guichicangteng No.1’and‘Guichicangteng No.2’

桂赤苍藤1号和桂赤苍藤2号是从广西野生赤苍藤种质资源中筛选出的优良株系,采用组培快繁为主、扦插繁育为辅的方法选育出的药食同源蔬菜赤苍藤新品种。桂赤苍藤1号嫩芽绿色,每667 m^2产量1900 kg左右;桂赤苍藤2号嫩芽红色,香味较桂赤苍藤1号浓郁,每667 m^2产量1700 kg左右。这两个品种均具腋生卷须,枝纤细,有不明显的条纹,叶纸质至厚纸质或近革质,叶长8~20 cm,叶宽4~15 cm;采食新鲜嫩芽,长度15 cm左右,有特殊香味,蛋白质、脂肪、粗纤维、钙、磷、VC含量及氨基酸总量明显高于常见蔬菜;定植3 a(年)后进入丰产期,适宜广西及西南地区露地栽培,北方地区保护地栽培。

‘Guichicangteng No.1’and‘Guichicangteng No.2’are excellent strains of new medicinal and edible vegetable varieties screened from the wild resources in Guangxi and bred mainly by rapid propagation via tissue culture,supplemented by cutting propagation.The tender shoots of‘Guichicangteng No.1’are green in color,with a yield of 28.5 t·hm^-2.The tender shoots of‘Guichicangteng No.2’are red in color.Its flavor is more rich than that of‘Guichicangteng No.1’.‘Guichicangteng No.2’can yield 25.5 t·hm^-2.These 2 varieties all have axillary tendril and slender branches,on which there are indistinct stripes.The leaves change from papery to thick papery or subleathery and were 8-20 cm in length,4-15 cm in width.The fresh tender buds are about 15 cm in length with special flavor.The contents of protein,fat,coarse fiber,calcium,phosphorus,VC and total amino acid content are higher than that of normal vegetables.Three years after field planting,these 2 varieties will enter into a high-yielding period.They are suitable for open fields cultivation in Guangxi and Southwestern areas,and protected cultivation in northern regions.