ZHANG Hui-jun,LU Rong,WANG Hai-ying,et al.Effect of Topdressing Urea at R1 on Agronomic Traits and Yield of Early-Mature Vegetable-Type Soybeans[J].Soybean Science,2013,32(01):68-75.[doi:10.3969/j.issn.1000-9841.2013.01.016]
始花期追施尿素对早熟菜用大豆农艺性状和产量的影响
- Title:
- Effect of Topdressing Urea at R1 on Agronomic Traits and Yield of Early-Mature Vegetable-Type Soybeans
- 文章编号:
- 1000-9841(2013)01-0068-04
- Keywords:
- Vegetable-type soybean; Urea; Agronomic traits; Yield
- 分类号:
- S643.7
- 摘要:
- 以3个早熟菜用大豆和1个晚熟菜用大豆品种为试材,探讨了始花期追施尿素对菜用大豆农艺性状和产量的影响,旨在为提高菜用大豆的产量提供理论依据。结果表明,早熟菜用大豆品种植株矮小、分枝少、主茎节数少、结荚高度低于晚熟品种。始花期追施尿素对菜用大豆品种形态性状的影响并不明显,但可以增加二粒荚和三粒荚的比例,且中等施肥水平优于高施肥水平;始花期适量施尿素有利于增加菜用大豆的单株荚数、单株荚重、单株粒数、百粒重、籽粒产量和收获指数,且早熟品种的增产幅度大于晚熟品种。从综合性状来看,早熟品种沈农引48更具有商业价值。
- Abstract:
- Three early-maturity and one late-maturity vegetable-type soybean cultivar were used as materials to study the effect of topdressing urea at R1 on agronomic traits and yield.The early-maturity vegetable-type soybeans had shorter plant height,fewer branch and nodes,and lower height of the lowest pod than that of the late-maturity cultivars.Topdressing urea at R1 had no remarkable influence on its morphological traits,but increased the percentage of 2-seed and 3-seed pods,and the effect of 75 kg·ha-1 was better than 150 kg·ha-1 urea.Topdressing suitable amount of urea at R1 also increased the pods per plant,pod weight per plant,seeds per plant,100-seed weight,seed yield and harvest index,and the yield-increasing effect was better than late-maturity ones.Based on the yield performance and response to N fertilizer,early-maturity vegetable-type soybean Shennongyin 48 has better application perspective.
参考文献/References:
[1]袁凤杰,俞琦英,朱申龙.菜用大豆品质和产量性状的评述[J].浙江农业科学,2001(1):1-3.(Yuan F J,Yu Q Y,Zhu S L.Review of quality and yield traits of vegetable-type soybeans[J].Zhejiang Agricultural Sciences,2001(1):1-3.)
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备注/Memo
基金项目:辽宁省科技厅攻关项目(2011201020);国家科技支撑计划(2011BAD35B06-2)。