Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity.

Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Research Abstract Details 

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Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Abstract Text:

Qing-fu Ye,Jian-min Wu,Jin-he Sun,

The bioavailability of bound residue (BR) derived from 14C-labeled chlorsulfuron in soil and effect of the main components of the BR on growth of rape (brassica napus) and rice (Oryza sativa L.) were investigated. The results showed that the BR with the concentration of 0.28 and 0.56 nmol/g air-dried soil, which was calculated by special radioactivity of 14C-labeled chlorsulfuron parent compound, resulted in significant depression effect on growth of rape seedling. It was assured that the main components (2-amino-4-methoxyl-6-methyl-1,3,5-triazine, 2-amino-4-hydroxyl-6-methyl-1,3,5-triazine, and 2-chloro-benzenesul-fonamide) of the BR did not inhibit the growth of rape and rice. LC-MS analysis demonstrated that the parent compound previously bound to the soil matrix could be again released and transformed into methanol-extractable residue during the course of rape growth. It was concluded that the molecular leading to the phytotoxicity to rape and rice in the BR is still the parent compound.

Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Publishing Authors By Initials

QF Ye,JM Wu,JH Sun,

For similar heterocyclic compounds: heterocyclic compounds, 1-ring: triazines research abstracts see: heterocyclic compounds: heterocyclic compounds, 1-ring: triazines research

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Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of environmental sciences (China)

VOLUME: 16

Page Numbers: 262-7

Journal Abbreviation: J Environ Sci (China)

ISSN: 1001-0742

DAY: 8

MONTH: 02

YEAR: 2004

Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Information

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LANGUAGE: eng

NlmUniqueID: 100967627

Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Keywords Mesh Terms:

KEYWORDS: Triazines

MESH TERMS: metabolism

Chemical & Substance for Abstract: Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity. Information

Substance Name: chlorsulfuron

Registry Number: 64902-72-3

Grant and Affiliation Information for Bioavailability of bound residue derived from 14C-labeled chlorsulfuron in soil and its mechanism of phytotoxicity.

AFFILIATION: Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China. qfye@zju.edu.cn

Country: Netherlands

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MEDLINETA: J Environ Sci (China)

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