叶用莴苣新品种云油麦1号的选育

A New Leaf Lettuce Cultivar-‘Yunyoumai No.1’

云油麦1号是从地方品种龙岩绿叶莴苣的混杂群体中经单株系统选育而成的叶用莴苣新品种。植株生长势强,株高31~35 cm,开展度40~45 cm;叶片披针形,绿色,叶面光滑,口感脆香,品质好;单株叶片数37~40片,单株质量270~300 g,每667 m^(2)产量2400 kg左右,高抗霜霉病,耐抽薹,适合云南省滇中地区全年栽培,夏、秋保护地栽培定植至采收50~55 d(天),冬、春保护地栽培定植至采收60~65 d(天)。

‘Yunyoumai No.1’is a new leaf lettuce cultivar developed by systematic selection of single plant from mixed population of local variety‘Longyanlvyewoju’.Its plant growth is strong.The plant height is 31-35 cm,with 40-45 cm divergence.Its leaves are lance-shaped,green in color,with smooth surface.The leaves taste crispy with good quality.There are 37-40 leaves in one single plant.The single plant weight is 270-300 g.It can yield about 36 t·hm^(-2).It is highly resistant to downy mildew,tolerant to bolting.It is suitable for year-round cultivation in the central region of Yunnan Province.It takes 50-55 days f rom fix plantin g to harvest in summer and autumn protected field cultivation.While,winter and spring protected field cultivation will take 60-65 days from fix planting to harvest.