YAN Chun-juan,SONG Shu-hong,WANG Wen-bin,et al.Effect of Irrigation on Physiological Characteristics and Yield of Different Genotype Soybean[Glycine max(L.)Merr.][J].Soybean Science,2014,33(06):945-948.[doi:10.11861/j.issn.1000-9841.2014.06.0945]
灌溉对不同基因型大豆生理特性及产量的影响
- Title:
- Effect of Irrigation on Physiological Characteristics and Yield of Different Genotype Soybean[Glycine max(L.)Merr.]
- 文章编号:
- 1000-984102014.05.0945
- Keywords:
- Irrigation; Genotype; Physiological characteristics; Soybean
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 通过对不同基因型大豆进行灌溉处理,研究了灌溉对大豆生理特性及产量的差异。结果表明:1)随着生育进程的推进,植株叶面积指数先逐渐增高后又降低,灌溉提高了植株的叶面积指数,增加了植株的地上部生物产量;植株相对生长速率逐渐降低,在生长后期甚至出现了负增长,基因型对相对生长速率的影响高于灌溉。2)灌溉可显著增加大豆单株荚数,从而提高产量,但基因型以及二者互作对大豆单株荚数的影响未达显著差异水平;同一灌溉条件下,辽豆14的单株荚数高于辽豆21。3)灌溉和基因型对大豆的产量影响均达到了显著差异水平,同一灌溉条件下,辽豆14的产量优于辽豆21;同一品种,灌溉的产量优于未灌溉处理,产量以处理“辽豆14+灌溉”为最优。
- Abstract:
- To study the effects of irrigation on yield and physiological characteristics of different genotypes soybeans,two soybean cultivars Liaodou 21 and Liaodou 14 were taken as materials,two irrigation levels were applied.The results indicated that 1)The LAI increased and then declined with the growth of soybean,the irrigation increased LAI and shoot biomass in soybean.The RGR decreased gradually as the growth of soybean and showed negative increase at later growth stage.Both genotype and irrigation influenced RGR of soybean,but genotype played a more important role than irrigation.2)The irrigation could enhance pods per plant to promote yield,but the effect of genotype and the interaction effects of irrigation×genotype on soybean yield were not found.Liaodou 14 had more pods per plant than that of Liaodou 21 under the same irrigation condition.3)The irrigation and genotypes had significant effect on soybean yield,Liaodou 14 showed higher yield than that of Liaodou 21 under the same irrigation condition,and irrigation condition showed higher yield than that of non-irrigation with the same variety.Among all of the treatments,Liaodou 14+irrigation had the highest yield,LAI and shoot biomass at 12-16 weeks after emergence.
参考文献/References:
[1]张丽华,赵洪祥,谭国波,等.灌溉方式对大豆光合性状及土壤水分利用率的影响[J].大豆科学,2012,31(4):613-616.(Zhang L H,Zhao H X,Tan G B,et al.Effects of irrigation modes on photosynthetic characters and water use efficiency of soybean[J].Soybean Sciences,2012,31(4):613-616.)
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备注/Memo
基金项目:转基因生物新品种培育重大专项(2013ZX08004-005),国家科技支撑计划(2011BAD35B06-2-3)。