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Effect of Different Ozone Concentrations on Growth and Development of Eggplants(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年19
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Effect of Different Ozone Concentrations on Growth and Development of Eggplants
Author(s):
YU Ligen1; LIU Nan1; 2; ZHAO Qian1; 2; WEI Ruxue1; GUO Wenzhong1
1.Beijing Research Center of Intelligent Equipment for Agriculture/National Research Center of Intelligent Equipment for Agriculture/Key Laboratory of Agricultural Intelligent Equipment Technology,Beijing 100097；2.School of Mechatronic Engineering,Xi′an Technological University,Xi′an,Shaanxi 710021
Keywords:
eggplants; photosynthetic characteristics; ozone concentration; chlorophyll content
PACS:
-
DOI:
10.11937/bfyy.20172037
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.

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Last Update: 2017-10-10