YU Ligen,LIU Nan,ZHAO Qian,et al.Effect of Different Ozone Concentrations on Growth and Development of Eggplants[J].Northern Horticulture,2017,41(19):1-5.[doi:10.11937/bfyy.20172037]
不同臭氧浓度处理对盆栽茄子生长发育的影响
- Title:
- Effect of Different Ozone Concentrations on Growth and Development of Eggplants
- 文献标志码:
- A
- 摘要:
- 以“京茄一号”茄子为试材,采用温室盆栽方式,分别设定3个不同臭氧浓度处理:不释放臭氧气体 (T1)、低浓度臭氧1.0 mg?m-3(T2)和高浓度臭氧2.0 mg?m-3(T3),通过测定茄子叶片净光合速率、气孔导度、蒸腾速率和叶绿素含量以及株高、茎粗和叶片数,比较不同臭氧浓度处理对茄子光合特性与生长指标的影响,以期为臭氧消毒技术在蔬菜栽培中的应用提供技术参考。结果表明:茄子叶片气孔导度排序依次为T1>T2>T3,T1与T2之间无显著差异,蒸腾速率的变化规律为T2>T1>T3;T2处理显著提高了茄子叶片的蒸腾速率及叶绿素含量;与T1相比,T2茄子株高、茎粗和叶片数分别增加了6.4%、10.7%和20.5%。综上所述,不同臭氧浓度处理下茄子的光合特性与生长指标差异显著,其中以臭氧气体浓度为1.0 mg?m-3(T2)的表现最优。
- Abstract:
- Eggplant variety of ‘Jingqie No.1’ was used as experimental materials,with the potting experiment in greenhouse,the differences among different levels of ozone treatment were investigated at 0.0,1.0,2.0 mg?m-3 mass concentrations.The effects of ozone on photosynthetic characteristics and growth index were studied by measuring net photosynthetic rate,stomatal conductance,transpiration rate,chlorophyll content and plant height,stem diameter,leaf number.The results showed that the chlorophyll content and net photosynthetic rate of eggplants increased gradually when the ozone concentration was set to 1.0 mg?m-3,while the stomatal conductance followed by T1>T2>T3 and the transpiration rate was ranked with T2>T1>T3.The plant height,stem diameter and leaf number of T2 were 6.4%,10.7% and 20.5% higher than T1.In conclusion,the photosynthetic characteristics,growth and development of eggplants under different ozone concentrations were significantly different,and the ozone mass concentrations with 1.0 mg?m-3 was the best control index.
参考文献/References:
[1]VIEBAHNHNSLER R,FERNNDEZ O S L,FAHMY Z.Ozone in medicine:Clinical evaluation and evidence classification of the systemic ozone applications,major autohemotherapy and rectal insufflation,according to the requirements for evidence-based medicine[J].Ozone-Sci Eng,2016,38(5):322-345.
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备注/Memo
第一作者简介:余礼根(1985-),男,安徽岳西人,博士,助理研究员,现主要从事设施环境调控及蔬菜栽培生理等研究工作。E-mail:yulg@nercita.org.cn.