北方粳稻萌发期耐冷性鉴定评价与筛选

蒋昆炜, 孙国才, 王健, 王桂艳, 崔月峰

Identification, Evaluation and Screening of Cold Tolerance in Japonica Rice at Germination Stage in Northern China

Jiang Kunwei, Sun Guocai, Wang Jian, Wang Guiyan, Cui Yuefeng

表3 45份水稻材料萌发期各指标的耐冷系数

Table 3 Cold tolerance coefficients of 45 rice materials at germination stage

项目Item CRC1 CRC2 CRC3 CRC4 CRC5 CRC6 CRC7 最大值Max. 0.99 0.99 0.56 0.42 0.26 5.62 0.50 最小值Min. 0.00 0.27 0.06 0.02 0.00 1.66 0.07 平均值Mean 0.55 0.84 0.28 0.18 0.10 3.28 0.28 标准差SD 0.33 0.19 0.11 0.11 0.07 0.90 0.10 变异系数CV (%) 60.16 22.99 38.98 63.80 74.85 27.40 37.24