文献类型： 外文期刊
作者： Wu, Lifeng 1 ; Han, Xiaowei 1 ; Islam, Shahidul 2 ; Zhai, Shengnan 3 ; Zhao, Hui 4 ; Zhang, Guoshun 1 ; Cui, Gangzhu 1 ;
作者机构： 1.Binzhou Acad Agr Sci, Binzhou 256603, Peoples R China
2.Murdoch Univ, Australia China Joint Ctr Wheat Improvement, Western Australian State Agr Biotechnol Ctr, Coll Sci Hlth Engn & Educ, Perth, WA 6150, Australia
3.Shandong Acad Agr Sci, Crop Res Inst, Jinan 250100, Peoples R China
4.Qingdao Agr Univ, Coll Plant Hlth & Med, Qingdao 265200, Peoples R China
5.Jiangsu Sevencontinent Green Chem Co Ltd, Suzhou 215600, Peoples R China
6.Shandong Agr & Rural Hall, Shandong Agr Technol Extending Stn, Jinan 215600, Peoples R China
7.Univ Western Australia, Sch Mol Sci, Perth, WA 6907, Australia
8.Sichuan Agr Univ, Triticeae Res Inst, Chengdu 625014, Peoples R China
关键词： grain yield; high-and-low-plot sowing mode; lodging resistance; small-flat-plot sowing mode; wheat
期刊名称：AGRONOMY-BASEL （ 影响因子：3.417； 五年影响因子：3.64 ）
ISSN：
年卷期： 2021 年 11 卷 7 期
页码：
收录情况： SCI
摘要： For improving lodging resistance and increasing grain yield in wheat in the Yellow-Huai River Basin in China, different sowing modes have been investigated. Conventionally, the small-flat-plot sowing mode has been adopted in wheat cultivation. However, this sowing mode leads to heavy lodging and low land use efficiency. In this study, a new sowing mode, high-low-plot sowing mode with two more rows sowed on the high plot, was investigated. Two cultivars, Hengguan 35 and Jimai 44 were used for two seasonal field experiments from 2018 to 2020. The results showed that grain yield improved with the high-low sowing mode by as much as 25% since more spikes per unit area were observed concomitant with reduced stem lodging. The grain yield increase was mainly due to the enhanced spike number per m(2), while the lodging resistance was improved through the lowered plant height and the center of gravity height. This research proves that the high-low-plot sowing mode is an improved sowing mode for producing greater grain yield with better lodging resistance in the wheat production area in northern China.
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