'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 from fix planting 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.
国家科技期刊平台
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