| 不同播期·种植密度和施肥量对玉油1号农艺性状及产量的影响 |
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| 引用本文： | 胡新洲,杨进成,李红彦,刘坚坚,安正云,李祥,张立松.不同播期·种植密度和施肥量对玉油1号农艺性状及产量的影响[J].安徽农业科学,2018,46(9):63-65. |
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| 作者姓名： | 胡新洲 杨进成 李红彦 刘坚坚 安正云 李祥 张立松 |
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| 作者单位： | 玉溪市农业科学院,云南玉溪,653100;通海县植保植检站,云南通海,652700 |
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| 基金项目： | 云南省创新人才培养计划，云南省现代农业产业技术体系建设专项资金，玉溪市重点实验室计划 |
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| 摘 要： | 目的]为探索高含油量双低油菜新品种玉油1号的最佳播期、密度和施肥量组合,实现良种和高产栽培技术相配套,以便在云南省适宜区推广应用。方法]试验采用3因素3水平正交试验设计,研究玉油1号在玉溪市最适宜的播种期、种植密度及尿素施用量,及其对主要农艺性状和产量的影响。结果]3个因子对产量影响由大到小依次为播种期、尿素施用量、密度,其中仅播种期对产量的影响达到显著性水平;播种期对玉油1号的生育期、单株有效角果、角粒数和千粒重有显著影响,种植密度与单株有效角果数呈正相关,而尿素施用量对生育期及农艺性状的影响不明显。结论]玉油1号的在中海拔油菜种植区域的最适宜播种期应选择在10月15—20日,密度为18万~21万株/hm~2,种肥及苗肥共施用525 kg/hm~2尿素。
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| 关 键 词： | 油菜品种 正交试验 农艺性状 产量 |
Effects of Different Sowing Date,Planting Density and Fertilizer Dosage on Agronomic Characters and Yield of Yuyou No.1 |
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| Abstract: | Objective] To explore the optimal sowing date,planting density and fertilizer dosage of high oil content double low rapeseed cultivar Yuyou No.1,to realize the combination of good breeding and high yield cultivation techniques,and to promote the application of Yuyou No.1 in Yunnan Province. Method]Using three-factor and three-level orthogonal test,we researched the optimal sowing date,planting density and fertil-izer dosage of Yuyou No.1 in Yuxi City,and their effects on main agronomic traits and yield. Result] The effects of three factors on yield from big to small were in the order of sowing date,urea dosage,planting density. Among them,only sowing date had significant impacts on yield. So-wing date showed significant impacts on growth period,effective pods per plant,grain number per pod and 1 000-grain weight; planting density had positive correlation with effective pods per plant;urea dosage had no significant impacts on growth period and urea dosage. Conclusion] The optimal sowing date,planting density and fertilizer dosage for Yuyou 1 in middle elevation rapeseed planting area were October 15-October 20,18 ×104-21 ×104plants/hm2and 525 kg/hm2,respectively. |
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