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避雨栽培对枣光合特性和品质的影响
张道玲,周军永,金腾飞,张鹏飞,孙其宝
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(安徽省农业科学院园艺研究所,合肥 230001; 安徽农业大学园艺学院,合肥 230036; 宣城市宣州区种植业局,宣城 242000)
摘要:
为研究避雨栽培对枣光合特性和品质的影响,以‘李府贡枣’为试材,露地栽培为对照,避雨栽培为处理,测定环境因子、光合指标的日变化、叶绿素含量及果实品质。结果表明:避雨条件下,光照强度和净光合速率显著低于露地;叶绿素含量上升,叶绿素a/b比值降低;枣果着色较好,可溶性总糖较露地高10%,单果重及纵横经明显降低;裂果率低于5%,露地栽培为50% ~ 60%。避雨栽培显著提升枣果内在和外观品质,降低裂果率。
关键词:    避雨栽培  光合特性  品质
DOI:10.13610/j.cnki.1672-352x.20220106.008
基金项目:安徽省重点研究与开发计划面上攻关项目(202004a06020008)和安徽省果树产业技术体系专项经费(皖农科函〔2021〕711 号)共同资助。
Effects of rain-shelter cultivation on photosynthetic characteristics and fruit quality of jujube
ZHANG Daoling,ZHOU Junyong,JIN Tengfei,ZHANG Pengfei,SUN Qibao
(Horticulture Research Institute, Anhui Academy of Agriculture Sciences, Hefei 230001; School of Horticulture, Anhui Agricultural University, Hefei 230036; Xuanzhou District Planting Bureau of Xuancheng City, Xuancheng 242000)
Abstract:
In order to analyze the effect of rain-shelter cultivation on the quality and photosynthetic characteristics of jujube, taken ‘LifuGongzao’ as the test material and open-field cultivation as the control, the environment factors, photosynthetic indexes, chlorophyll content and fruit quality were investigated. As results, as compared with the open-field cultivation, in the condition of rain-shelter, light intensity(PAR) and photosynthetic rate(Pn) were significantly decreased, the content of chlorophyll was increased, while the ratio of Chla/Chlb was lower. In the rain-shelter conditions, the fruits had better color, and the total soluble sugar was 10% higher than that in the open-field, but the longitudinal diameter and traverse diameter of fruits and single fruit mass were obviously reduced; the fruit cracking rate was below 5%, while which was 50% - 60% cultivated in the open-field. In conclusion, the results suggested that rain-shelter cultivation could increase the quality of fruits and reduced the fruit cracking rate.
Key words:  jujube  rain-shelter cultivation  photosynthetic characteristics  quality

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