秧龄对浙东南地区优质稻产量和品质的影响

马义虎, 何贤彪, 陈剑, 汤学军, 王旭辉, 何豪豪, 金羽清, 齐文, 蒋海凌, 周翠

Effects of Seedling Ages on Grain Yield and Quality of High Quality Rice in Southeastern Zhejiang Province

Ma Yihu, He Xianbiao, Chen Jian, Tang Xuejun, Wang Xuhui, He Haohao, Jin Yuqing, Qi Wen, Jiang Hailing, Zhou Cui

表5 不同秧龄下优质稻的秧苗素质

Table 5 Seedlings quality of high quality rice under different seedling ages

品种 Variety 秧龄处理 Seedling age treatment (d) 叶龄（片） Leaf age (piece) 苗高 Seedling height (cm) 茎基宽 Stem base width (cm) 茎叶干重（mg/株） Dry weight of stem and leaf (mg/plant) 根干重 Dry weight of root (mg/plant) 根冠比 Root-shoot ratio 充实度 Plumpness (mg/cm) 甬优1540 Yongyou 1540 15 2.3±0.3e 11.6±3.2e 0.21±0.03c 10.9±2.3d 5.1±1.2d 0.47±0.02a 0.95±0.12c 21 2.9±0.2d 15.3±2.8d 0.24±0.02b 20.6±3.5c 8.7±2.5c 0.42±0.03b 1.35±0.18b 27 3.8±0.4c 19.0±4.2c 0.27±0.04a 28.5±4.9b 11.0±2.1b 0.39±0.01c 1.50±0.13a 33 4.3±0.2b 23.8±2.6b 0.27±0.05a 33.1±4.2a 12.0±3.2a 0.36±0.03d 1.39±0.16b 39 4.7±0.6a 27.1±3.9a 0.28±0.04a 36.1±5.3a 12.3±2.9a 0.34±0.02d 1.33±0.09b 平均值 3.6±1.0 19.4±6.3 0.25±0.03 25.8±10.2 9.8±3.0 0.40±0.05 1.30±0.21 CV (%) 27.5 32.3 11.3 39.5 30.5 13.0 16.0 泰两优217 Tailiangyou 217 15 2.3±0.2e 11.2±2.9e 0.20±0.01c 11.1±2.6d 4.7±1.1d 0.42±0.05a 0.99±0.06d 21 2.8±0.3d 14.5±1.5d 0.23±0.02b 21.7±3.6c 8.6±2.3c 0.40±0.03ab 1.49±0.19a 27 3.6±0.2c 18.6±3.2c 0.26±0.05a 28.5±4.2b 11.1±2.6b 0.39±0.02bc 1.53±0.15a 33 4.4±0.3b 22.7±2.4b 0.27±0.04a 31.6±3.8a 11.9±2.8a 0.38±0.03bc 1.39±0.13b 39 4.8±0.4a 25.9±2.8a 0.27±0.03a 33.9±4.7a 12.5±3.2a 0.37±0.01c 1.31±0.17c 平均值 3.6±1.0 18.6±6.0 0.25±0.03 25.4±9.2 9.8±3.2 0.39±0.02 1.34±0.21 CV (%) 29.3 32.0 12.4 36.3 32.7 4.9 16.0