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表3 基于田间可移动式霜箱的降温处理设计

Table 3 Design of decreasing-temperature treatment based on Field Movable Climate Chamber

试验 Experiment 处理日期 Treatment date 处理温度及时间间隔 Treatment temperature and time interval 主茎幼穗分化阶段 Differentiation stage of young ear in the main stem 试验7 Exp.7 03-30-03-31, 2012 -1℃: 6:30 - 12:30; -3℃: 12:30 - 18:30; -5℃: 18:30 - 0:30; -7℃: 0:30 - 6:30; -9℃: 6:30 - 12:30 药隔形成后期 Late anther connective tissue formation phase 试验8 Exp.8 03-20-03-22, 2014 -9℃: 17:20 - 01:20; -7℃: 01:20 - 09:20; -5℃: 09:20 - 17:20; -3℃: 17:20 - 01:20; -1℃: 01:20 - 09:20 雌雄蕊原基分化期 Pistil and stamen primordia differentiation phase 试验9 Exp.9 04-01-04-02, 2014 -9℃: 17:20 - 23:20; -7℃: 23:20 - 05:20; -5℃: 05:20 - 11:20; -3℃: 11:20 - 17:20; -1℃: 17:20 - 23:20 四分体时期 Tetrad formation phase