关键词: 雪里蕻, 品种

Abstract: ‘Yongxue 4’is a new hybrid potherb mustard. The cultivar is characterized by strong growth，light-green and double serrate leaf，whose blade margin is shallow sawtooth，glossy and no wax on the leaves. There are 27 effective tillers on average. The fresh weight is 1.4 kg per plant and its total yield is about 75 t ? hm-2. Its bolting tolerance is medium. It is well resistant to virus disease. The growth period is 105 days from sowing to harvest.‘Yongxue 4’owns fine quality of processing. The cultivar suits to be planted in the Yangtze River valley.

Key words: potherb mustard, cultivar