EFFECTS OF CARBON TETRACHLORIDE ON SOIL RESPIRATION, SOIL MICROBE AMOUNTS, WHEAT GERMINATION AND SEEDLING'S CHLOROPHYLL CONTENT

EFFECTS OF CARBON TETRACHLORIDE ON SOIL RESPIRATION, SOIL MICROBE AMOUNTS, WHEAT GERMINATION AND SEEDLING'S CHLOROPHYLL CONTENT

Simulated experiments were conducted to study the eco-toxicological effects of carbon tetrachloride (CT) pollution on soil basal respiration, soil microorganism amounts, seed germination rate and seedling's (7 days after germinating) chlorophyll content of wheat. The results showed that CT (. 0...

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Veröffentlicht in:Fresenius environmental bulletin 2010-01, Vol.19 (4a), p.653-657
Hauptverfasser: Wang, A-K, Shan, A-Q, Qin, Y, Yang, X-J
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Triticum aestivum
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Shan, A-Q
Qin, Y
Yang, X-J
description Simulated experiments were conducted to study the eco-toxicological effects of carbon tetrachloride (CT) pollution on soil basal respiration, soil microorganism amounts, seed germination rate and seedling's (7 days after germinating) chlorophyll content of wheat. The results showed that CT (. 0.28 mg/kg) inhibited soil basal respiration significantly (P
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The results showed that CT (. 0.28 mg/kg) inhibited soil basal respiration significantly (P&lt;0.01), and there was a negative correlation between soil basal respiration and CT concentration (P= 0.05). CT obviously inhibited soil bacteria and fungi amounts with the concentration .1.99 mg/kg, and significantly inhibited actinomycetes activity at a concentration of .1.60 mg/kg (P&lt;0.05). Soil microorganism amounts and CT concentrations were distinctly negative (P=0.05 or P=0.01). The processes were inhibited firstly and then recovered. CT reduced seed germination rate and seedling's chlorophyll content of wheat, and the concentrations were negatively correlated with both. The median inhibitory concentrations of CT on wheat seed germination rate and seedling's chlorophyll content were 11.97 mg/kg and 13.18 mg/kg, demonstrating that wheat germination rate is more sensitive than wheat seedling's chlorophyll content to CT pollution.</description><identifier>ISSN: 1018-4619</identifier><language>eng</language><subject>Triticum aestivum</subject><ispartof>Fresenius environmental bulletin, 2010-01, Vol.19 (4a), p.653-657</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782</link.rule.ids></links><search><creatorcontrib>Wang, A-K</creatorcontrib><creatorcontrib>Shan, A-Q</creatorcontrib><creatorcontrib>Qin, Y</creatorcontrib><creatorcontrib>Yang, X-J</creatorcontrib><title>EFFECTS OF CARBON TETRACHLORIDE ON SOIL RESPIRATION, SOIL MICROBE AMOUNTS, WHEAT GERMINATION AND SEEDLING'S CHLOROPHYLL CONTENT</title><title>Fresenius environmental bulletin</title><description>Simulated experiments were conducted to study the eco-toxicological effects of carbon tetrachloride (CT) pollution on soil basal respiration, soil microorganism amounts, seed germination rate and seedling's (7 days after germinating) chlorophyll content of wheat. 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title EFFECTS OF CARBON TETRACHLORIDE ON SOIL RESPIRATION, SOIL MICROBE AMOUNTS, WHEAT GERMINATION AND SEEDLING'S CHLOROPHYLL CONTENT
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