不同播期对广西春玉米生长特性及产量的影响
探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考。试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理条件下玉米产量及其构成因子等指标。结果表明,随着播种期推迟,全生育期具有缩短的趋势,其主要由营养生长期的缩短引起,而生殖生长期（包含灌浆期）并未随着播期的变化而发生太大的变化,同时播种出苗期也具有缩短的趋势。平均气温均随播期的推迟而上升,日照时数则下降。灌浆的活跃期缩短,同时晚播处理的平均灌浆速率、0-20 d灌浆速率以及最终籽粒干重均较前两个处理低,而20-40 d灌浆速率较前早播期略高。收获公顷穗数、穗粒数、千粒重、产量、出籽率随...
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| Published in | 西南农业学报 Vol. 29; no. 3; pp. 511 - 515 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广西农业科学院玉米研究所,广西南宁,530007
2016
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.16213/j.cnki.scjas.2016.03.008 |
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| Abstract | 探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考。试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理条件下玉米产量及其构成因子等指标。结果表明,随着播种期推迟,全生育期具有缩短的趋势,其主要由营养生长期的缩短引起,而生殖生长期（包含灌浆期）并未随着播期的变化而发生太大的变化,同时播种出苗期也具有缩短的趋势。平均气温均随播期的推迟而上升,日照时数则下降。灌浆的活跃期缩短,同时晚播处理的平均灌浆速率、0-20 d灌浆速率以及最终籽粒干重均较前两个处理低,而20-40 d灌浆速率较前早播期略高。收获公顷穗数、穗粒数、千粒重、产量、出籽率随着播期的推迟均具有降低的趋势。因此,适宜播期可提高玉米籽粒产量,广西春玉米适应在2月中旬至3月上旬进行播种,以避免因光温升高造成营养生长期缩短、灌浆前期速率低而减产。 |
|---|---|
| AbstractList | 探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考。试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理条件下玉米产量及其构成因子等指标。结果表明,随着播种期推迟,全生育期具有缩短的趋势,其主要由营养生长期的缩短引起,而生殖生长期（包含灌浆期）并未随着播期的变化而发生太大的变化,同时播种出苗期也具有缩短的趋势。平均气温均随播期的推迟而上升,日照时数则下降。灌浆的活跃期缩短,同时晚播处理的平均灌浆速率、0-20 d灌浆速率以及最终籽粒干重均较前两个处理低,而20-40 d灌浆速率较前早播期略高。收获公顷穗数、穗粒数、千粒重、产量、出籽率随着播期的推迟均具有降低的趋势。因此,适宜播期可提高玉米籽粒产量,广西春玉米适应在2月中旬至3月上旬进行播种,以避免因光温升高造成营养生长期缩短、灌浆前期速率低而减产。 S513; 探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考.试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理条件下玉米产量及其构成因子等指标.结果表明,随着播种期推迟,全生育期具有缩短的趋势,其主要由营养生长期的缩短引起,而生殖生长期(包含灌浆期)并未随着播期的变化而发生太大的变化,同时播种出苗期也具有缩短的趋势.平均气温均随播期的推迟而上升,日照时数则下降.灌浆的活跃期缩短,同时晚播处理的平均灌浆速率、0 ～20 d灌浆速率以及最终籽粒干重均较前两个处理低,而20～40 d灌浆速率较前早播期略高.收获公顷穗数、穗粒数、千粒重、产量、出籽率随着播期的推迟均具有降低的趋势.因此,适宜播期可提高玉米籽粒产量,广西春玉米适应在2月中旬至3月上旬进行播种,以避免因光温升高造成营养生长期缩短、灌浆前期速率低而减产. |
| Author | 钟昌松 张玉 吕巨智 闫飞燕 程伟东 石达金 范继征 |
| AuthorAffiliation | 广西农业科学院玉米研究所,广西南宁530007 |
| AuthorAffiliation_xml | – name: 广西农业科学院玉米研究所,广西南宁,530007 |
| Author_FL | ZHANG Yu LV Ju-zhi FAN Ji-zheng SHI Da-jin YAN Fei-yan CHENG Wei-dong ZHONG Cang-song |
| Author_FL_xml | – sequence: 1 fullname: ZHONG Cang-song – sequence: 2 fullname: ZHANG Yu – sequence: 3 fullname: LV Ju-zhi – sequence: 4 fullname: YAN Fei-yan – sequence: 5 fullname: CHENG Wei-dong – sequence: 6 fullname: SHI Da-jin – sequence: 7 fullname: FAN Ji-zheng |
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| ClassificationCodes | S513 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.16213/j.cnki.scjas.2016.03.008 |
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| DocumentTitleAlternate | Effects of Different Sowing Dates on Growth Characteristics and Yield of Spring Maize in Guangxi |
| DocumentTitle_FL | Effects of Different Sowing Dates on Growth Characteristics and Yield of Spring Maize in Guangxi |
| EndPage | 515 |
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| Keywords | 春玉米 灌浆 Sowing dates Grain filling Maize 广西 播期 生长 |
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| Notes | ZHONG Cang-song, ZHANG Yu, LV Ju-zhi, YAN Fei-yan, CHENG Wei-dong,SHI Da-jin, FAN Ji-zheng, （Maize Research Institute, Guangxi Academy of Agricultural Sciences, Guangxi, Nanning 530007, China） The aim of this experiment was to explore effects of sowing dates on the yields of maize and its component factors of local main extended maize varieties and provide references for practical production in spring. Split-plot experiment design was applied in the experiment, and there were a total of 15 treatments including 3 sowing dates as the main treatments and 5 varieties as the supplementary treatments. Maize yield and its component factors were investigated and measured. The result showed that with the delayed sowing period, growth periods in various treatments reduced in turn and the growing process became fast with sowing stage postponed. Shortening of the vegetative growth period appeared to be the main reason. At the same time the stage from sowing to emergence had the trend of decrease. The average temperature i |
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| PublicationTitle | 西南农业学报 |
| PublicationTitleAlternate | Southwest China Journal of Agricultural Sciences |
| PublicationTitle_FL | Southwest China Journal of Agricultural Sciences |
| PublicationYear | 2016 |
| Publisher | 广西农业科学院玉米研究所,广西南宁,530007 |
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| Snippet | 探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考。试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理条件下... S513; 探讨不同播期对广西地区主推春玉米品种的产量及其构成因子的影响,为生产提供理论参考.试验采用裂区设计,以3个播期为主处理,5个品种为副处理,共15个处理,调查各处理... |
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| SubjectTerms | 广西 播期 春玉米 灌浆 生长 |
| Title | 不同播期对广西春玉米生长特性及产量的影响 |
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