Vigna unguiculata (L.) Walp Effects of Ozone on Carbohydrate Production and Transformation in Cowpea.

被引：0

作者：

Rangserodsombat, Jitrada ^{[1
]}

Chaijamrus, Sirilux ^{[2
]}

Umponstira, Chanin ^{[1
]}

机构：

[1] Naresuan Univ, Dept Nat Resources & Environm, Fac Agr Nat Resources & Environm, Tha Pho, Phitsanulok, Thailand

[2] Naresuan Univ, Dept Biol, Fac Sci, Tha Pho, Phitsanulok, Thailand

来源：

PROCEEDINGS OF 48TH KASETSART UNIVERSITY ANNUAL CONFERENCE: NATURAL RESOURCES AND ENVIRONMENT | 2010年

关键词：

Ozone; Soluble sugar; Fumigating chamber; Biomass; Cowpea; EXPOSURE; PLANTS; GROWTH; TREES; ACCUMULATION; BIOMASS; SPRUCE;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This research aimed at investigating the effects of ozone on production and transformation of carbohydrate in cowpea. Plants were grew in the fumigating chambers which provided additional ozone at 40 and 70 ppb for 8 hours/day. The control group was exposed to ozone less than 10 ppb in Charcoal Filter chambers. Plant samples were taken, after exposed to ozone, at 1-week interval for analyses of soluble sugar, starch, chlorophyll and biomass. The results found that the soluble sugar and starch in leaves and root tissues decreased significantly as compared with the control group. Moreover, chlorophyll and biomass were also significantly affected by ozone. Notably, more severe effects were observed clearly in plant samples treated with 70 ppb O-3 than 40 ppb O-3. Level of ozone concentration and duration of ozone uptake showed influence on the amount of carbohydrate production. Finally, High concentrations of ozone decreased the production and formation of carbohydrate which coincided with the decrease in chlorophyll content.

引用

页码：9 / 16

页数：8

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