SUN Xiaohui,LI Chengliang,CHEN Jianqiu,et al.Effects of Different DA-6 Concentrations and Application Methods on Growth of Spinach[J].Northern Horticulture,2017,41(13):122-128.[doi:10.11937/bfyy.20164717]
不同胺鲜酯(DA-6)浓度及施用方式对菠菜生长的影响
- Title:
- Effects of Different DA-6 Concentrations and Application Methods on Growth of Spinach
- Keywords:
- spinach; DA-6; yield; quality; nitrogen content
- 文献标志码:
- A
- 摘要:
- 以菠菜为试材,通过盆栽试验,研究了不同浓度二烷氨基乙醇羧酸酯(DA-6)(0、5、10 mg?kg-1)和不同施用方式(底施、喷施)对菠菜产量、品质及生理特性的影响。结果表明:1)底施DA-6浓度为5、10 mg?kg-1时,与对照CK1(底施DA-6浓度为0 mg?kg-1)相比,菠菜分别增产53.05%和61.64%,生物量增幅分别为14.25%和17.82%,维生素C含量分别增加14.17%和34.90%。DA-6浓度为10 mg?kg-1处理下菠菜硝酸盐含量较对照处理降低27.14%,且提升了菠菜叶绿素含量和叶绿素荧光特性,促进根系生长,但对菠菜植株全氮含量影响差异不显著;2)喷施DA-6浓度为5、10 mg?kg-1时,与对照CK2(喷施DA-6浓度为0 mg?kg-1)相比,菠菜产量和生物量均减少,维生素C含量降低,而硝态氮含量升高;因此,底施DA-6浓度为10 mg?kg-1处理可提高菠菜产量,提升菠菜品质。
- Abstract:
- Taking spinach as test material,the effects of different DA-6 concentrations(0,5,10 mg?kg-1)and application methods(bottom application and spraying)on yield,quality and physiological characteristics of spinach were studied by pot experiment.The results showed that the yield of spinach was increased with increasing DA-6 concentration,and the quality of spinach was also improved.Compared with the CK1(basal application of DA-6 concentration was 0 mg?kg-1),the spinach yield with 5,10 mg?kg-1 DA-6 concentration were increased by 53.05% and 61.64%,and the biomass were enhanced by 14.25% and 17.82%,the vitamin C content of leaf were increased by 14.17% and 34.90%,respectively.10 mg?kg-1 DA-6 treatment decreased by 27.14% of nitrogen content in spinach leaf under the control treatment,and enhanced the spinach chlorophyll content and chlorophyll fluorescence characteristics,and promoted root growth.But there was no significant difference of the total nitrogen content in spinach plants between 10 mg?kg-1 DA-6 treatment and the control;5,10 mg?kg-1 DA-6 spraying treatments significantly reduced yield and biomass of spinach in comparison with the CK2 (the concentration of DA-6 was 0 mg?kg-1),the vitamin C content in leaf was decreased while the nitrogen content in leaf increased.Therefore,the basal application of 10 mg?kg-1 DA-6 could not only improve the yield of spinach,but also enhance the quality of spinach.
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备注/Memo
第一作者简介:孙晓慧(1990-),女,硕士研究生,研究方向为土壤肥料。E-mail:sxh_2014@126.com.责任作者:李成亮(1976-),男,博士研究生,教授,研究方向为土壤肥料与环境效应。E-mail:chengliang_li@163.com.基金项目:山东农业大学泉林黄腐酸肥料工程实验室开发研发基金资助项目(QL2016-17)。