GUO Huan,DUAN Guozhen,FAN Guanghui,et al.Effects of Irrigation With Different Concentrations of Brackish Water on the Fruits Quality of Lycium barbarum[J].Northern Horticulture,2022,(04):92-97.[doi:10.11937/bfyy.20213418]
不同浓度微咸水灌溉对枸杞果实品质的影响
- Title:
- Effects of Irrigation With Different Concentrations of Brackish Water on the Fruits Quality of Lycium barbarum
- Keywords:
- brackish water; Lycium barbarum; effective ingredients
- 文献标志码:
- A
- 摘要:
- 以“宁杞7号”为试材,在枸杞种植方式、田间管理条件均相同的情况下,采用7个不同盐浓度微咸水对枸杞进行灌溉,以当地地下水灌溉为对照,研究了不同盐浓度微咸水对枸杞实施灌溉后枸杞果实表型性状、有效成分、土壤电导率和pH的变化,以期了解不同盐浓度微咸水灌溉对枸杞品质的影响。结果表明:微咸水灌溉对枸杞果实表型性状的影响不显著;微咸水滴灌对枸杞品质有正向影响,适量浓度的微咸水灌溉可以在一定程度上增加枸杞总糖、总黄酮、多糖、维生素E、甜菜碱和β-胡罗卜素含量,降低枸杞脂肪含量;微咸水灌溉对土壤电导率的影响较大,且对表层土壤的电导率影响更明显,对土壤pH的影响较小。总体来看,T5(添加原盐浓度为2.425 g?L-1)是枸杞耐盐性的一个临界点,可适当选用该盐浓度进行枸杞微咸水灌溉。
- Abstract:
- Taking ‘Ningqi No.7’ as the test material,under the same planting method and field management conditions of Lycium barbarum,7 different salt concentrations of brackish water were used to irrigate Lycium barbarum,and the local groundwater irrigation was used as the control.The changes of phenotypic characters,effective components,soil conductivity and pH of the Lycium barbarum fruit after different salt concentration brackish water irrigation were studied,in order to clarify the effect of different salt concentration brackish water irrigation on the quality of Lycium barbarum.The results showed that the effect of brackish water irrigation on the phenotypic characteristics of Lycium barbarum fruit was not significant.The brackish water drip irrigation had a positive effect on the quality of Lycium barbarum,and the appropriate concentration of brackish water irrigation could increase the total sugar,total flavonoids,and flavonoids of Lycium barbarum to a certain extent.The content of polysaccharides,vitamin E,betaine and β-carotene reduced the fat content of Lycium barbarum.Brackish water irrigation had a greater impact on soil electrical conductivity,and it had a more obvious impact on the electrical conductivity of the surface soil,and had an impact on soil pH smaller.In general,T5 (addition of original salt concentration of 2.425 g?L-1) was a critical point for the salt tolerance of Lycium barbarum,and this salt concentration could be appropriately selected for irrigation of Lycium barbarum with brackish water.
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备注/Memo
第一作者简介:郭寰(1997-),女,硕士研究生,研究方向为林木育种。E-mail:17800785323@163.com.责任作者:王占林(1966-),男,本科,研究员,现主要从事经济林等研究工作。E-mail:j361925761@163.com.基金项目:青海省科技基础研究计划资助项目(2021-ZJ-962Q);2020年度青海大学青年科研基金资助项目(2020-QNY-3);科技部重点研发资助项目(2018YFC0406604)。收稿日期:2021-08-20