Comparison of Rice Yield, Grain Quality and Some Physiological Parameters as Affected by Cultivation Techniques
文献类型: 外文期刊
第一作者: Mo, Zhaowen
作者: Mo, Zhaowen;Wu, Jianxin;Tian, Jinyuan;Duan, Meiyang;Pan, Shenggang;Tian, Hua;Tang, Xiangru;Mo, Zhaowen;Wu, Jianxin;Tian, Jinyuan;Duan, Meiyang;Pan, Shenggang;Tian, Hua;Tang, Xiangru;Lin, Qingshan;Jiang, Yijun
作者机构:
关键词: grain quality;physiological parameters;rice quality promoter;seedling-strengthening agent;super rice special fertilizers;yield
期刊名称:PHILIPPINE JOURNAL OF CROP SCIENCE ( 影响因子:0.265; 五年影响因子:0.333 )
ISSN: 0115-463X
年卷期: 2014 年 39 卷 3 期
页码:
收录情况: SCI
摘要: Field experiments were conducted in 2010 and 2011 to compare the yield, grain quality and some physiological parameters of five super inbred rice varieties as affected by cultivation techniques. Grain yield, yield components, grain quality, and physiological parameters [leaf net photosynthetic rate (Pn), leaf relative chlorophyll content (SPAD value), granule-bound starch synthase (GBSS) activity and grain soluble starch synthase (SSS) activity] were measured. Both cultivation and variety significantly affected the grain yield in 2010 and 2011. The cultivation technique of integrated use of seedling-strengthening agent, super rice special fertilizers and rice quality promoter (CI) significantly increased rice yield by 16.92 - 21.73% compared to the cultivation technique of local farmer management (CL). The significant increase in yield due to Cl may be attributed to increase in number of panicle and seed setting rate and enhancement of some physiological parameters. The Cl significantly increased brown rice rate, milled rice rate and head rice rate by 0.36 - 0.57%, 1.74 - 1.81% and 4.41 - 11.48%, respectively, due to higher leaf net photosynthetic rate (Pn), leaf relative chlorophyll content (SPAD value), granule-bound starch synthase (GBSS) activity and grain soluble starch synthase (SSS) activity) during grain formation stage. Thus the increase in grain yield and quality is associated with yield component and some physiological parameters. This work highlights the positive impact of the cultivation technique using seedling-strengthening agent, super rice special fertilizers and rice quality promoter (CI) on the grain yield and grain quality of super inbred rice.
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