节水灌溉栽培模式对稻米品质和淀粉RVA谱的影响

薛菁芳, 蔡永盛, 陈书强

Effects of Water-Saving Irrigation Cultivation Model on Rice Quality and Starch RVA Profiles

Xue Jingfang, Cai Yongsheng, Chen Shuqiang

表2 不同灌溉处理下品质指标的差异（n=16）

Table 2 Differences in quality indexes under different irrigation treatments (n=16)

处理 Treatment 米质性状 Rice quality 变幅 Amplitude 极差 Range 平均值 Average 标准差 Standard deviation 变异系数 Variation coefficient (%) 置信区间Confidence interval 95% 99% TI 糙米率Brown rice rate (%) 76.10~83.48 7.38 80.24 2.53 3.16 78.89~81.59 78.38~82.11 精米率Milled rice rate (%) 60.04~74.65 14.61 67.63 3.84 5.68 65.58~69.68 64.80~70.47 蛋白质含量Protein content (%) 7.27~8.67 1.40 7.94 0.39 4.92 7.73~8.14 7.65~8.22 直链淀粉含量Amylose content (%) 19.17~22.40 3.23 20.32 0.97 4.79 19.80~20.83 19.60~21.03 食味评分Taste value 77.50~93.80 16.30 85.61 8.24 8.63 81.68~89.55 80.17~91.06 WI 糙米率Brown rice rate (%) 75.78~84.16 8.38 80.91 2.53 3.13 79.56~82.26 79.05~82.77 精米率Milled rice rate (%) 62.68~74.53 11.85 67.90 3.73 4.90 66.13~69.68 65.45~70.35 蛋白质含量Protein content (%) 7.13~8.17 1.04 7.76 0.32 4.14 7.58~7.92 7.51~7.99 直链淀粉含量Amylose content (%) 19.17~21.23 2.06 20.07 0.74 3.67 19.68~20.46 19.53~20.61 食味评分Taste value 72.13~91.60 19.47 87.88 7.39 9.38 83.49~92.27 81.81~93.96