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| Rapid Identification Method of Late Bolting Character in Chinese Cabbage |
| Yu Yangjun 1; 2; Zhang Fenglan 2; Zhao Xiuyun 2; et al. |
| 1College of Agronomy and Biotechnology; China Agricultural University; Beijing 100094; 2 National Engineering Research Center for Vegetables |
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Abstract Seven Chinese cabbage cultivars or lines were used for establishing a rapid identification method of late bolting character by vernalizing the germinated seeds at 3 ℃ for 20 days, then the seeds were sowed and grown in a greenhouse at 20-22 ℃ and 16 hours day length(using 100-130 μmol·m -2 ·s -1 of supplemental lighting in night to provide longer days). The results indicated that time (days) of bud appearance, length of dwarf stem and bolting index were suitable indexes for identification of late b...
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Received: 10 October 2003
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