[1]赵旭,刘涛,姚慧敏,等.长期根际CO2浓度升高对雾培番茄植株营养吸收及果实产量和品质的影响[J].江苏农业学报,2020,(01):158-163.[doi:doi:10.3969/j.issn.1000-4440.2020.01.022]
　ZHAO Xu,LIU Tao,YAO Hui-min,et al.Effects of long-term elevated root-zone CO2 concentration on nutrition uptake, fruit yield and quality of aeroponic tomato[J].,2020,(01):158-163.[doi:doi:10.3969/j.issn.1000-4440.2020.01.022]
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长期根际CO2浓度升高对雾培番茄植株营养吸收及果实产量和品质的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年01期
页码:
158-163
栏目:
园艺
出版日期:
2020-02-29

文章信息/Info

Title:
Effects of long-term elevated root-zone CO2 concentration on nutrition uptake, fruit yield and quality of aeroponic tomato
作者:
赵旭1; 2; 刘涛1; 2; 姚慧敏1; 2; 杨洁1; 2
(1.山东省农业可持续发展研究所, 山东济南250100；2.农业农村部华东都市农业重点实验室,山东济南250100)
Author(s):
ZHAO Xu1; 2; LIU Tao1; 2; YAO Hui-min1; 2; YANG Jie1; 2
(1.Shandong Institute of Agricultural Sustainable Development, Jinan 250100, China;2.Key Laboratory of East China Urban Agriculture, Ministry of Agriculture and Rural Affairs, Jinan 250100, China)
关键词:
根际CO2升高; 雾培番茄; 营养吸收; 产量; 品质
Keywords:
elevated root zone CO2; aeroponic tomato; nutrient uptake; yield; quality
分类号:
S641.2
DOI:
doi:10.3969/j.issn.1000-4440.2020.01.022
文献标志码:
A
摘要:
采用气雾法栽培,研究不同根际CO2体积比处理[(370±10) μl/L (CK)、(2 500±50) μl/L、(5 000±100) μl/L和(10 000±200) μl/L],对番茄植株根系营养元素吸收以及产量和品质的影响。结果表明：当处理60 d时各CO2加富处理的根系干质量显著低于对照，随着根际CO2体积比的升高，分别比对照减少17.9%、13.2%和6.1%；茎叶干质量分别比对照减少6.1%、4.4%和2.6%。CO2加富处理根系Mg2+-ATPase活性开始变化缓慢，从处理40 d开始急剧下降，到处理结束时，对照根系的Mg2+-ATPase活性显著高于根际CO2加富处理，分别是2 500 μl/L、5 000 μl/L和10 000 μl/L CO2处理的1.1、1.3和1.8倍。在20 d时，根际CO2加富处理的植株根系Ca2+-ATPase活性均显著低于对照,在处理结束时，根际10 000 μl/L和5 000 μl/L CO2处理显著低于2 500 μl/L处理和对照，但二者间无显著差异。根际CO2处理60 d,叶片中N、P和Mg含量显著低于对照,其中2 500 μl/L、5 000 μl/L和10 000 μl/L处理叶片中P含量分别比对照减少12.6%、17.0%和19.3%,Mg含量分别比对照减少11.1%、18.5%和20.7%。根际CO2加富处理植株的单株结果数与对照无显著性差异，但对照植株单株产量和果实可溶性糖含量显著高于各根际CO2加富处理。
Abstract:
Effects of different root-zone CO2 concentration, such as (370±10) μl/L(CK), 2 500±50) μl/L, (5 000±100) μl/L and (10 000±200) μl/L, on plant root nutrient uptake, fruit yield and quality of aeroponic tomato were investigated. The results showed that the root dry weight of each treatment was significantly lower than that of the control when treated for 60 days. With the increase of rhizosphere CO2 concentration, the root dry weight decreased by 17.9%, 13.2% and 6.1%, and the dry weight of stems and leaves decreased by 6.1%, 4.4% and 2.6%, respectively. The activity of Mg2+-ATPase in the roots of tomato plants under the treatment of CO2 enrichment changed slowly at the beginning, and decreased sharply from 40 days after treatment. At the end of the treatment, the Mg2+-ATPase activity in the control was significantly higher than that in the treatment of CO2 enrichment. The Mg2+-ATPase activity in roots of tomato plants in the control 1.1 times, 1.3 times and 1.8 times as high as that in the treatments of 2 500 μl/L CO2, 5 000 μl/L CO2 and 10 000 μl/L CO2, respectively. At 20 days, the Ca2+-ATPase activity in the roots of tomato plants in the treatment of CO2 enrichment was significantly lower than that in the control. At the end of the treatment, the Ca2+-ATPase activity in roots of tomato plants in the treatments of 10 000 μl/L CO2 and 5 000 μl/L CO2 was significantly lower than that in the treatment of 2 500 μl/L CO2 and control, but there was no significant difference between then. After 60 days of CO2 treatment, the contents of N, P and Mg in the leaves were significantly lower than those in the control. Compared with the control, the P content of leaves in the treatments of 2 500 μl/L CO2, 5 000 μl/L CO2 and 10 000 μl/L CO2 was decreased by 12.6%, 17.0% and 19.3%, the content of Mg was reduced by 11.1%, 18.5% and 20.7%, respectively. There was no significant difference in the number of fruit per plant between the rhizosphere CO2 treatments and control, but the yield per plant and soluble sugar content of fruits in the control were significantly higher than those in the rhizosphere CO2 enrichment treatment.

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备注/Memo

备注/Memo:
收稿日期：2019-06-13基金项目：山东省农业科学院农业科技创新工程项目(CXGC2017B03)作者简介：赵旭(1980-),女,辽宁沈阳人,博士,高级农艺师,主要从事设施蔬菜生理生态以及都市农业栽培模式研究。（E-mail）cfszhaoxu@shandong.cn通讯作者：刘涛，（E-mail）liutaocfs@163.com；姚慧敏,(E-mail)LDZDGC@163.com
更新日期/Last Update: 2020-03-13