作物学报2017，Vol.43Issue(4)：581-595,15.DOI:10.3724/SP.J.1006.2017.00581
稻麦两熟制条件下钵苗机插方式对不同类型水稻品种米质的影响
Effect of Mechanical Transplanting with Pothole Seedlings on Grain Quality of Different Types of Rice in Rice-Wheat Rotation System
摘要
Abstract
In rice-wheat rotation system, the mechanical transplanting with pothole seedlings (MT) is a new developed high yield and high efficiency rice planting method with increased promotion area year by year. Understanding the rice quality traits under MT method is of great importance to study and develop high yield and high quality cultivation techniques under mechanical con-ditions in rice-wheat rotation system. The comparison experiments were carried out to investigate the difference in processing, appearance, nutrition, cooking and eating, and taste quality, and starch RVA profile of conventional japonica,indica hybrid and japonica-indica hybrid rice, by using MT, mechanical transplanting with carpet seedlings (MC) and mechanical direct seeding (MD) in high-yield cultivation condition, which would provide theoretical reference and practice data for high yield and high quality rice production. The head rice rate and head rice yield under MT were 1.6% and 7.8% larger than those under MC, and 4.9% and 25.9% larger than those under MD (P<0.05), respectively, indicating a better processing quality under MT method. Compared with MC and MD, MT decreased appearance quality with increased chalky grain rate, chalkiness size and chalkiness degree (P<0.05), and increased protein content and nutrition quality with the increase of 8.7% and 28.0% in protein yield, respec-tively. The effects on amylose content, setback and pasting temperature were MT<MC<MD, and those on gel consistency, peak viscosity, trough viscosity, final viscosity and breakdown value were MT>MC>MD, which indicated that the cooking and eating quality under MT method might be meliorated. The taste quality was not of significant difference among planting methods, show-ing a tendency of MT<MC<MD for conventionaljaponica, andjaponica-indica hybrid rice, and of MC>MT>MD forindica hy-brid rice. Therefore the MT method is recommended as one of promising mechanized planting methods to simultaneously realize high yield, high efficiency and high quality in rice production of rice-wheat rotation system.关键词
水稻/稻麦两熟/机械化种植/钵苗机插/产量/米质Key words
Rice/Rice-wheat rotation system/Mode of mechanized planting/Pothole seedling of mechanical transplanting/Grain yield/Grain quality引用本文复制引用
邢志鹏,霍中洋,戴其根,张洪程,朱明,吴培,钱海军,曹伟伟,胡雅杰,郭保卫,魏海燕,许轲..稻麦两熟制条件下钵苗机插方式对不同类型水稻品种米质的影响[J].作物学报,2017,43(4):581-595,15.基金项目
本研究由国家"十二五"科技支撑计划项目(2011BAD16B03), 江苏省农业科技创新自主项目(CX[15]1002), 江苏省科技支撑项目(BE2015340)和江苏省普通高校研究生科研创新计划项目(KYLX15_1369)资助. This study was supported by the National Key Technology Support Program of China (2011BAD16B03), the Agricultural Technology Inno-vation Program of Jiangsu Province (CX[15]1002), the Jiangsu Provincial Technology Support Program (BE2015340), and the Research Innovation Program for College Graduates of Jiangsu Province (KYLX15_1369). （2011BAD16B03）
