| Effects of pruning methods on the quality and yield of ‘Ningqi 7’ Lycium barbarum |
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| DOI：10.7606/j.issn.1000-7601.2025.01.17 |
| Key Words: Lycium barbarum ‘Ningqi 7’ pruning methods yield fruit quality |
| Author Name | Affiliation | | HE Xinru | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | WANG Yujing | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | ZHANG Bo | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | HUANG Ting | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | DUAN Linyuan | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | WANG Yajun | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | CAO Youlong | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | DAI Guoli | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China | | QIN Ken | Institute of Wolfberry Science， Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China |
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| Abstract: |
| To explore the scientific and reasonable pruning management technology for Lycium barbarum in Ningxia region, the 8-year-old ‘Ningqi 7’ was used as the experimental material in Zhongning and Guyuan sites of Ningxia. The experimental pruning degrees were categorized as follows: non\|pruning (D1), pruning at 15~20 cm (D2), and pruning at 10~15 cm (D3). The pruning amount was mild pruning amount of 40%~50% (A1), moderate pruning amount of 50%~60% (A2), and severe pruning amount of 60%~70% (A3). The effects of varying pruning intensity and pruning quantity on the yield and quality of Lycium barbarum were investigated. The result showed that the fruit yield and quality of Lycium barbarum were significantly different under treatments, and there were different interaction effects. In yield and branch composition, compared with other treatments, the treatment with pruning at 10~15 cm and mild pruning increased by 4.58%~59.87% in Zhongning site, and the treatment with pruning at 15~20 cm and moderate pruning increased by 9.19%~80.14% in Guyuan site. Moreover, the proportion of middle branches was higher. On the fruit quality, the single fruit mass and the contents of betaine, flavonoids and carotenoids were higher in the treatment with pruning at 15~20 cm and moderate pruning in Zhongning site and the treatment with pruning at 15~20 cm and severe pruning in Guyuan site. The results of the correlation analysis revealed a negative correlation between yield and total sugar content at both test sites. Considering the goals of achieving high yield and quality for cultivation purposes, along with the comprehensive score based on the entropy weight TOPSIS method, it was concluded that pruning at 15~20 cm combined with moderate pruning is the most suitable method for the Zhongning test area. The combination of pruning at 15~20 cm and severe pruning amount is suitable pruning method in the Guyuan test area. |
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