Study on the Varied Character of the Nutrient Content of Different Organs of the Cyperus esculentus at Different Stages of Tuber Growth

doi:10.11733/j.issn.1007-0435.2023.08.024

Acta Agrestia Sinica ›› 2023, Vol. 31 ›› Issue (8): 2462-2470.DOI: 10.11733/j.issn.1007-0435.2023.08.024

Study on the Varied Character of the Nutrient Content of Different Organs of the Cyperus esculentus at Different Stages of Tuber Growth

DU Yi^1,2,3,4, ZHANG Yu-lin^1,2,3,5, CHAI Xu-tian^1,2,3,4, LI Xiang-yi^1,2,3, LU Yan^1,2,3, ZHANG Zhi-hao^1,2,3, ZENG Fan-jiang^1,2,3,4,5

1. Xinjiang Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China;
2. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China;
3. Cele National Station of Observation and Research for Desert-Grassland Ecosystem, Cele, Xinjiang 848300, China;
4. University of Chinese Academy of Sciences, Beijing 100049, China;
5. College of Ecology and Environment, Xinjiang University, Urumqi, Xinjiang 830046, China

Received:2023-02-07 Revised:2023-03-06 Online:2023-08-15 Published:2023-09-01

油莎豆不同器官在不同发育时期的养分变化特征研究

杜艺^1,2,3,4, 张玉林^1,2,3,5, 柴旭田^1,2,3,4, 李向义^1,2,3, 鲁艳^1,2,3, 张志浩^1,2,3, 曾凡江^1,2,3,4,5

1. 中国科学院新疆生态与地理研究所, 新疆荒漠植物根系生态与植被修复重点实验室, 新疆乌鲁木齐 830011;
2. 中国科学院新疆生态与地理研究所, 荒漠与绿洲生态国家重点实验室, 新疆乌鲁木齐 830011;
3. 新疆策勒荒漠草地生态系统国家野外科学观测研究站, 新疆策勒 848300;
4. 中国科学院大学, 北京 100049;
5. 新疆大学生态与环境学院, 新疆乌鲁木齐 830046

通讯作者: 张志浩,E-mail:zhangzh@ms.xjb.ac.cn;曾凡江,E-mail:zengfj@ms.xjb.ac.cn
作者简介:杜艺(1995-),女,汉族,博士研究生,主要从事植物生理生态学和微生物生态学研究,E-mail:duyi1996002001@163.com;张玉林(1991-),男,汉族,博士研究生,主要从事植物生理生态学和微生物生态学研究,E-mail:zhangyl20201051213@163.com
基金资助:
新疆维吾尔自治区重点研发计划(2022B02040-1)；国家重点研发计划(2019YFC0507603)共同资助

Abstract

Abstract: To explore the varied character of the nutrient content in aboveground plant,tuber,and root of Cyperus esculentus at different stages of tuber growth,the aboveground plant,tuber,and root samples of C. esculentus ('Feng Chan No. 2') were collected at the middle,late,and maturity stages of tuber growth with the experimental material as C. esculentus. The sample nutrients were analyzed. The results showed that the acid detergent fiber and neutral detergent fiber contents of aboveground plant were not significantly different at the middle,late,and maturity stages of tuber growth. The soluble sugar content of the tuber at the late stage of tuber growth was significantly lower than at the middle and maturity stages of tuber growth (P<0.05). The ether extract content of the tuber at the maturity stage of the tuber were significantly higher than at the middle stage of tuber growth (P<0.05). The total nitrogen and total phosphorus content of root at the middle stage of tuber growth were significantly higher than at the late and maturity stage of tuber growth (P<0.05);however,the total potassium content of root at the maturity stage of tuber growth was significantly higher than at the middle stage of tuber growth (P<0.05). In conclusion,reflected by the soluble sugar and ether extract of tubers and the neutral and acid detergent fiber indexes of aboveground plant,the best harvest time should be the late and maturity stages of the tuber growth,providing the reference data for the profitable harvest model of the C. esculentus.

Key words: Cyperus esculentus, Developmental stages, Ionic properties, Nutrient quality

摘要： 为探究块茎不同发育期油莎豆(Cyperus esculentus)地上植株、块茎和根系养分含量的变化特征，以油莎豆(品种为'丰产2号')为试验材料，在块茎生长中期、生长后期和成熟期分别收集地上植株、块茎和根系，分析其养分含量的变化。结果表明：地上植株的酸性洗涤纤维和中性洗涤纤维含量在块茎生长中期、生长后期和成熟期无显著差异。块茎的可溶性糖含量在块茎生长后期显著低于生长中期和成熟期(P<0.05)，而粗脂肪含量在块茎成熟期显著高于生长中期(P<0.05)。根系的全氮和全磷含量在块茎生长中期显著高于生长后期和成熟期(P<0.05)，全钾含量在块茎成熟期显著高于生长中期(P<0.05)。综上，由块茎的可溶性糖和粗脂肪及地上植株的中性和酸性洗涤纤维指标体现，最佳的收获时间有块茎生长后期和成熟期，以期为油莎豆的收益模式提供参考数据。

关键词: 油莎豆, 发育期, 离子特性, 养分

CLC Number:

DU Yi, ZHANG Yu-lin, CHAI Xu-tian, LI Xiang-yi, LU Yan, ZHANG Zhi-hao, ZENG Fan-jiang. Study on the Varied Character of the Nutrient Content of Different Organs of the Cyperus esculentus at Different Stages of Tuber Growth[J]. Acta Agrestia Sinica, 2023, 31(8): 2462-2470.

杜艺, 张玉林, 柴旭田, 李向义, 鲁艳, 张志浩, 曾凡江. 油莎豆不同器官在不同发育时期的养分变化特征研究[J]. 草地学报, 2023, 31(8): 2462-2470.

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Study on the Varied Character of the Nutrient Content of Different Organs of the Cyperus esculentus at Different Stages of Tuber Growth

油莎豆不同器官在不同发育时期的养分变化特征研究

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