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浙江大学学报（农业与生命科学版）
浙江大学学报(农业与生命科学版)  2016, Vol. 42 Issue (6): 713-719    DOI: 10.3785/j.issn.1008-9209.2015.08.251
农业科学     
屋顶种植条件下不同栽培方式对菜用甘薯茎尖产量及品质的影响
李欢1,2， 贝嘉伟1,2， 潘超1,2， 赵伟东2， 陆国权1,2*
1.浙江农林大学农业与食品科学学院，浙江省农产品品质改良技术研究重点实验室，浙江 临安 311300；2.浙江农林大学薯类作物研究所，浙江 临安 311300
Effects of different cultivation methods on stem apex yield and quality of sweetpotato for vegetable use under urban roof condition
LI Huan1,2, BEI Jiawei1,2, PAN Chao1,2, ZHAO Weidong2, LU Guoquan1,2*
(1. Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, School of Agricultural and Food Science, Zhejiang A & F University, Lin’an 311300, Zhejiang, China; 2. Institute of Root & Tuber Crops, Zhejiang A & F University, Lin’an 311300, Zhejiang, China)
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摘要： 分别采用土壤栽培、基质栽培和管道营养液栽培种植3个菜用甘薯品种（莆薯53、广菜薯5号和福薯18），比较不同栽培方式对菜用甘薯茎尖产量及品质的影响。结果表明：在3种栽培方式下，供试的3个菜用甘薯品种均在管道营养液栽培条件下茎尖产量、叶绿素b含量、叶绿素总量、类胡萝卜素含量和可溶性糖含量达到最高，硝态氮含量最低。总体上，在屋顶农业中使用管道营养液栽培种植福薯18有利于提高茎尖产量并保证品质。
Abstract: Sweetpotato (Ipomoea batatas) is an important upland crop in China, which plays an important role in feed and industrial raw materials. The root tuber has rich nutrition, and the aerial part of stems and leaves also has extremely high nutritive value. Recently, research on sweetpotato for vegetable use increased gradually. With the rapid development of urbanization process, the cultivated area decreased gradually, along with the decline in quantity and quality of agricultural products. However, the increased space of balcony and roof accelerated the development of balcony agriculture and urban roof agriculture. Meanwhile, new devices for planting become popular in daily life in cities. Sweetpotatoes grow faster in summer, and can solve the problem of leaf vegetables in short supply. Moreover, people can plant organic sweetpotato for vegetable use at home in a convenient and safe way.
In this paper, three cultivation methods (soil cultivation, substrate cultivation and pipeline nutrient solution culture) and three cultivars (Pushu 53, Guangcaishu 5 and Fushu 18) of sweetpotato for vegetable use were selected for urban roof agriculture, to compare the impact of different cultivation methods on yield and quality of sweetpotato. In July 2014, stem cuttings from each of the three cultivars were planted under three cultivation methods in roof of Jixian Building in Zhejiang A & F University. Experiments were conducted in a randomized complete block design with three replications. Seedlings were examined and replanted in time after cutting to ensure a full stand of seedlings. Furthermore, control and prevention for pests should be conducted during the growth period, and sweetpotato tips (15 cm) were harvested after growth. The yield, water content, pigment content, soluble sugar content, soluble protein content, vitamin C content and nitrate content were determined in the lab.
The results showed that the pipeline nutrient solution culture had significant advantages compared with soil cultivation or substrate cultivation. The stem apex yield, chlorophyll b content, total chlorophyll content, carotenoid content and soluble sugar content of Pushu 53, Guangcaishu 5 and Fushu 18 were highest under the pipeline nutrient solution culture condition among all the treatments, while the nitrate content was the lowest. 
In conclusion, planting Fushu 18 using pipeline nutrient solution culture in urban roof agriculture will be a better choice, with higher biomass and guaranteed quality of sweetpotato for vegetable use.
出版日期: 2016-11-19
CLC:  S 531  
基金资助: 国家现代农业产业技术体系建设专项（CARS-11-B-18）；浙江省重大科技专项（2012C12902-3）；浙江农林大学生物种业研究中心预研基金（2023550009）
通讯作者: 陆国权(http://orcid.org/0000-0001-9825-4372)，E-mail:lugq10@zju.edu.cn    
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引用本文:

李欢， 贝嘉伟， 潘超， 赵伟东， 陆国权. 屋顶种植条件下不同栽培方式对菜用甘薯茎尖产量及品质的影响[J]. 浙江大学学报(农业与生命科学版), 2016, 42(6): 713-719.

LI Huan, BEI Jiawei, PAN Chao, ZHAO Weidong, LU Guoquan. Effects of different cultivation methods on stem apex yield and quality of sweetpotato for vegetable use under urban roof condition. Journal of Zhejiang University (Agriculture and Life Sciences), 2016, 42(6): 713-719.

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http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2015.08.251    或    http://www.zjujournals.com/agr/CN/Y2016/V42/I6/713

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