再生稻次适宜区迟播栽对不同杂交籼稻淀粉RVA谱的影响

杨帆, 钟晓媛, 李秋萍, 李书先, 李武, 周涛, 李博, 袁玉洁, 邓飞, 陈勇, 任万军

Effects of delayed sowing and planting date on starch RVA profiles of different indica hybrid rice in the sub-suitable region of ratoon rice

YANG Fan, ZHONG Xiao-Yuan, LI Qiu-Ping, LI Shu-Xian, LI Wu, ZHOU Tao, LI Bo, YUAN Yu-Jie, DENG Fei, CHEN Yong, REN Wan-Jun

表7 品种和播栽期的互作对淀粉RVA谱的影响

Table 7 Effects of variety and sowing and planting date on RVA profiles

品种 Variety 播栽期 SAPD 峰值黏度PKV (RVU) 热浆黏度HTV (RVU) 冷胶黏度CPV (RVU) 消减值 SBV (RVU) 崩解值 BDV (RVU) 回复值 CSV (RVU) 峰值时间PeT (min) 糊化温度 PaT (°C) 2018 川优6203 Chuanyou 6203 S1 232.1 a 126.7 a 213.4 ab -18.7 c 105.4 a 86.6 b 6.0 ab 80.5 b S2 196.9 b 103.8 b 190.6 b -6.3 b 93.1 b 86.8 b 5.9 b 83.1 b RR 182.4 b 119.2 ab 230.9 a 48.6 a 63.1 c 111.7 a 6.1 a 88.6 a 平均Mean 203.8 B 116.6 A 211.6 A 7.9 A 87.2 B 95.1 A 6.0 A 84.1 A 宜香优2115 Yixiangyou 2115 S1 297.6 a 150.6 a 232.1 a -65.5 c 147.0 a 81.4 b 5.9 b 77.4 b S2 237.4 b 118.0 b 204.6 b -32.8 b 119.4 b 86.6 b 5.9 b 81.4 ab RR 179.6 c 118.3 b 223.9 ab 44.4 a 61.3 c 105.6 a 6.1 a 85.9 a 平均Mean 238.2 A 129.0 A 220.2 A -18.0 A 109.2 A 91.2 A 6.0 A 81.6 A 2019 川优6203 Chuanyou 603 S1 227.2 a 129.3 a 234.7 a 7.5 b 97.9 a 105.4 b 6.1 a 76.0 b S2 220.4 a 128.4 a 241.2 a 20.8 b 92.1 a 112.8 b 6.2 a 85.0 a RR 198.1 a 130.5 a 257.4 a 59.3 a 67.5 b 126.9 a 6.3 a 86.3 a 平均Mean 215.2 A 129.4 A 244.4 A 29.2 A 85.8 B 115.0 A 6.2 A 82.4 A 宜香优2115 Yixiangyou 2115 S1 274.7 a 144.1 a 233.1 a -41.6 c 130.6 a 89.1 b 6.0 b 74.7 ab S2 232.8 b 129.5 ab 230.2 a -2.5 b 103.3 b 100.7 ab 6.1 ab 71.4 b RR 202.2 c 122.9 b 234.1 a 31.9 a 79.3 c 111.2 a 6.2 a 79.4 a 平均Mean 236.6 A 132.2 A 232.5 A -4.1 B 104.4 A 100.3 B 6.1 B 75.2 B