江淮下游不同播期对稻-麦周年作物产量、品质及温光资源利用的影响

陈天晔, 袁嘉琦, 刘艳阳, 许轲, 郭保卫, 戴其根, 霍中洋, 张洪程, 李国辉, 魏海燕

Effects of different sowing dates on crop yield, quality, and annual light-temperature resources utilization for rice-wheat double cropping system in the lower reaches of the Yangtze-Huaihe Rivers valley

Tian-Ye CHEN, Jia-Qi YUAN, Yan-Yang LIU, Ke XU, Bao-Wei GUO, Qi-Gen DAI, Zhong-Yang HUO, Hong-Cheng ZHANG, Guo-Hui LI, Hai-Yan WEI

表8 播期对水稻营养及食味品质的影响

Table 8 Effect of sowing date on rice nutrition and taste quality

品种 Cultivar 播期 Sowing date 直链淀粉含量 Amylose content (%) 胶稠度 Gel consistency (mm) 蛋白质含量 Protein content (%) 食味值 Taste value 南粳9108 Nanjing 9108 R-I 10.67 a 103.50 a 8.25 a 74.00 a R-II 10.22 a 98.00 b 8.28 a 71.00 b R-III 10.60 a 94.00 c 8.38 a 69.50 b CV (%) 1.88 3.95 0.67 2.62 连粳11 Lianjing 11 R-I 20.61 c 86.75 a 8.52 a 62.25 c R-II 22.08 b 84.25 b 8.55 a 70.75 a R-III 23.46 a 83.50 b 8.72 a 65.50 b CV (%) 5.28 1.64 1.02 5.29