生育约束型直播水稻生育特征与稳产关键技术

张洪程,邢志鹏,翁文安,田晋钰,陶钰,程爽,胡群,胡雅杰,郭保卫,魏海燕

Growth Characteristics and Key Techniques for Stable Yield of Growth Constrained Direct Seeding Rice

ZHANG HongCheng,XING ZhiPeng,WENG WenAn,TIAN JinYu,TAO Yu,CHENG Shuang,HU Qun,HU YaJie,GUO BaoWei,WEI HaiYan

表1 0 基本苗密度对生育约束型直播水稻淀粉RVA特征值的影响

Table 1 0 Effects of basic seedling density on RVA profile traits of growth constrained direct seeding rice

方式 Methods 基本苗 Basic seedling (×104 hm-2) 峰值黏度 Peak viscosity (cP) 热浆黏度 Trough viscosity (cP) 最终黏度 Final viscosity (cP) 崩解值 Breakdown (cP) 消减值 Setback (cP) 回复值 Consistence (cP) 糊化温度 Gelatinization point (℃) 水直播 Water direct- seeding 120 2242a 1230a 2256b 1012a 14c 1025b 82.6a 240 2205ab 1202b 2277ab 1003a 72b 1075ab 83.6a 360 2157b 1205b 2303a 952b 146a 1098a 82.5a 旱直播 Dry direct- seeding 120 2194a 1352a 2242b 842a 48c 890b 88.6a 240 2089ab 1327b 2244b 762b 155b 917a 89.1a 360 2044b 1325b 2261a 719c 217a 935a 89.1a