|Table of Contents|

Effects of Slightly Acidic Electrolyzed Water on Tomato Seedling Growth and Photosynthesis

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年03
Page:
1-7
Research Field:
Publishing date:

Info

Title:
Effects of Slightly Acidic Electrolyzed Water on Tomato Seedling Growth and Photosynthesis
Author(s):
AI Kaiqi1; CAO Kai1; 2; YE Zhangying3; ZOU Zhirong1
(1.College of Horticulture，Northwest A&F University/Agriculture Ministry Key Laboratory of Protected Horticultural Engineering in Northwest，Yangling，Shaanxi 712100；2.Institute of Agricultural Facilities and Equipment，Jiangsu Academy of Agricultural Sciences/Agriculture Ministry Key Laboratory of Agricultural Engineering in the Middle and Lower Reaches of Yangtze River，Nanjing，Jiangsu 210014；3.College of Biosystems Engineering and Food Science，Zhejiang University，Hangzhou，Zhejiang 310058)
Keywords:
slightly acidic electrolyzed water; available chlorine concentration; tomato seedlings; growth index; photosynthesis
PACS:
-
DOI:
10.11937/bfyy.20202147
Abstract:
Taking tomato seedlings ‘Jinpeng No.8’ as experimental material,matrix cultivation method was adopted and 1/2 Yamasaki tomato nutrient solution was used to provide nutrition for the seedlings.Growth and photosynthesis of tomato seedlings with nutrient solutions formulated with slightly acidic electrolytic water with available chlorine concentrations of 20 mg ?L-1 (SAEW20)，40 mg?L-1 (SAEW40)，60 mg?L-1 (SAEW60)，and 80 mg?L-1 (SAEW80) were studied.The effect of application was to screen the available chlorine concentration suitable for watering tomato seedlings for further research.In order to verify whether the slightly acidic electrolyzed water as a kind of functional water could promote the growth of tomato seedlings.The results showed that the dry and fresh weight under SAEW80 treatment were significantly higher than CK；SAEW80 treatment could significantly increase the leaf area of tomato seedlings and improve the seedling index；the available chlorine concentration of slightly acidic electrolytic water had a significant effect on the chlorophyll and the effects of carotenoids were small；the application of slightly acidic water to the roots could increase the net photosynthetic rate and water use efficiency of tomato seedlings；the total surface area，total volume and average diameter of tomato seedling roots under SAEW80 treatment were the highest and significantly higher than CK.In short，the low effective chlorine concentration of slightly acidic electrolytic water formulated nutrient solution would not affect the normal growth of tomato seedlings，while high available chlorine concentration could promote the growth of tomato seedlings to a certain extent.High available chlorine concentration (80 mg?L-1) slightly acidic electrolytic water to further study the mechanism of action.

References:

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Last Update: 2021-05-27