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Responses of Seed Yield Components to the Field Practices for Regulating Seed Yield of Smooth Bromegrass (Bromus inermis Leyss.)
Ou, Chengming; Wang, Mingya1; Hou, Longyu2; Zhang, Yangyang3; Sun, Ming; Sun, Shoujiang; Jia, Shangang; Mao, Peisheng
2021
发表期刊AGRICULTURE-BASEL
卷号11期号:10
摘要Agronomic practices improve seed yield by regulating seed yield components, and the relationship between seed yield and seed yield components is still unclear in smooth bromegrass (Bromus inermis). To optimize seed production and yield in smooth bromegrass, a five-year field trial was designed with split-split-plot to study the combined effects of row spacing (30, 45, 60, and 75 cm), phosphorus (0, 60, 90, and 120 kg P ha(-1)) and nitrogen (0 and 100 kg N ha(-1)) on seed yield and seed yield components including fertile tillers m(-2) (FTs), spikelets per fertile tiller (SFT), florets per spikelet (FS), and seeds per spikelet (SS). The results showed that FTs as a key factor had a positive effect to seed yield with the biggest pathway coefficient, while SS had a negative effect. Meanwhile, an interaction effect between FTs and SS was observed. FS and SS were increased with phosphorus application under the condition of sufficient nitrogen. In addition, sufficient precipitation at the non-growing season resulted in more FTs in the next year in rain-fed regions. Therefore, the optimum seed yield of smooth bromegrass can be obtained with row spacing (45 cm), nitrogen (100 kg N ha(-1)), and phosphorus application (60 kg P ha(-1)).
关键词fertilization row spacing seed yield seed yield component smooth bromegrass
学科领域Agronomy
DOI10.3390/agriculture11100940
收录类别SCI
语种英语
WOS关键词FALL NITROGEN APPLICATION ; LEYMUS-CHINENSIS ; USE EFFICIENCY ; TALL FESCUE ; PHOSPHORUS ; FORAGE ; PRECIPITATION ; MANAGEMENT ; FERTILIZERS ; IRRIGATION
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000711371700001
出版者MDPI
文献子类Article
出版地BASEL
EISSN2077-0472
资助机构China Agriculture Research System of MOF and MARA ; Beijing Common Construction Project
作者邮箱B20203240983@cau.edu.cn ; mingyawang@cau.edu.cn ; houly@ibcas.au.cn ; yangyangz@cau.edu.cn ; sunmiir@cau.edu.cn ; b20193040362@cau.edu.cn ; shangang.jia@cau.edu.cn ; maops@cau.edu.cn
作品OA属性Green Published, gold
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/26664
专题植被与环境变化国家重点实验室
作者单位1.China Agr Univ, Forage Seed Lab, Beijing Key Lab Grassland Sci, Beijing 100193, Peoples R China
2.Hebei Agr Univ, Coll Anim Sci & Technol, Baoding 071000, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
4.Chinese Acad Agr Sci, China Inst Anim Sci, Beijing 100193, Peoples R China
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GB/T 7714
Ou, Chengming,Wang, Mingya,Hou, Longyu,et al. Responses of Seed Yield Components to the Field Practices for Regulating Seed Yield of Smooth Bromegrass (Bromus inermis Leyss.)[J]. AGRICULTURE-BASEL,2021,11(10).
APA Ou, Chengming.,Wang, Mingya.,Hou, Longyu.,Zhang, Yangyang.,Sun, Ming.,...&Mao, Peisheng.(2021).Responses of Seed Yield Components to the Field Practices for Regulating Seed Yield of Smooth Bromegrass (Bromus inermis Leyss.).AGRICULTURE-BASEL,11(10).
MLA Ou, Chengming,et al."Responses of Seed Yield Components to the Field Practices for Regulating Seed Yield of Smooth Bromegrass (Bromus inermis Leyss.)".AGRICULTURE-BASEL 11.10(2021).
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