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MaNrtB, a Putative Nitrate Transporter, Contributes to Stress Tolerance and Virulence in the Entomopathogenic Fungus Metarhizium acridum. [PDF]

J Fungi (Basel)
Wang J, Zou Y, Xia Y, Jin K.
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Photolysis of chlorimuron‐ethyl

Toxicological & Environmental Chemistry, 1997
To examine the photostability of the herbicide chlorimuron‐ethyl (ethyl‐2‐[[[[(4‐methoxy‐6‐chloro‐pyrimidin‐2‐yl)amino]carbonyl]amino]sulfonyl]benzoate) in the field, model experiment with organic solvent was performed. Photolysis of chlorimuron‐ethyl in methanol solution resulted in the formation of seven major and five minor photoproducts, isolated ...
Partha P. Choudhury, P. Dureja
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Chlorimuron ethyl metabolism in corn

Pesticide Biochemistry and Physiology, 1991
Abstract [14C]Chlorimuron ethyl was readily absorbed by the roots of young intact corn seedlings and through the cut ends of excised leaves, but it was not readily absorbed by intact leaves. Under the conditions employed, [14C]chlorimuron ethyl was metabolized at a moderate rate in both intact roots and excised leaves (ca.
Gerald L. Lamoureux, Donald G. Rusness, Fred S. Tanaka   +2 more
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Photolysis of chlorimuron‐ethyl in benzene

Toxicological & Environmental Chemistry, 1997
Chlorirauron‐ethyl, a sulfonylurea herbicide was irradiated by ultra violet light from a medium pressure Hg lamp (>290 nm) in benzene solution using a quartz apparatus. Three major and six minor products were identified by spectroscopic methods. These products are formed by cleavage of sulfonylurea bridge, rearrangement, dechlorination etc. The rate of
Partha P. Choudhury, P. Dureja
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Reaction of chlorimuron‐ethyl with diazomethane

Toxicological & Environmental Chemistry, 1996
Methylation of chlorimuron‐ethyl with etheral solution of diazomethane gave ethyl‐2‐[[[[(4‐chloro‐6‐methoxy‐2‐pyrimidinyl) N‐methylamino] carbonyl] N‐methylamino] sulfonyl] benzoate (dimethyl derivative of chlorimuron‐ethyl) as the major product along with 4‐chloro‐6‐methoxy‐2‐N‐methylamino pyrimidine, 2‐aminomethyl sulfonyl benzoic acid, ethyl‐2‐[(N ...
Partha P. Choudhury, Prem Dureja
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Phototransformation of Chlorimuron-ethyl in Aqueous Solution

Journal of Agricultural and Food Chemistry, 1996
Chlorimuron-ethyl is relatively stable in water buffered to pH 7.0 and 9.0, but hydrolyzes readily (half-life, 14 d) in water buffered to pH 4.0. In addition, chlorimuron-ethyl photodegrades rapidly and extensively in aqueous solution. The predominant photoproducts are 4-methoxy-6-chloro-2-aminopyrimidine, ethyl 2-aminosulfonylbenzoate, N-(4-methoxy-6 ...
Partha P. Choudhury, Prem Dureja
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Phototransformation of chlorimuron-ethyl on leaf surface

Toxicological & Environmental Chemistry, 2007
Chlorimuron-ethyl, a post-emergent herbicide selectively used in soybean and maize, degrades mainly through chemical hydrolysis. Photolysis has also an important role in the degradation of this compound. Phototransformation of chlorimuron-ethyl takes place through the cleavage of the sulfonylurea bridge, dechlorination, de-esterification and ...
Partha P. Choudhury, Amitava Bhattacharya, Prem Dureja   +2 more
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Studies on photodegradation of chlorimuron-ethyl in soil

Pesticide Science, 1997
Photolysis of chlorimuron-ethyl was studied on a soil surface under sunlight and UV light. Eight photoproducts were isolated and characterised by spectroscopic methods. Major photoproducts are formed by cleavage of the sulfonylurea bridge and minor products are formed via dechlorination, hydrolysis and cyclisation.
Partha P. Choudhury, Prem Dureja
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Adsorption-Desorption Characteristics of Chlorimuron-Ethyl in Soils

Agricultural Sciences in China, 2007
The adsorption-desorption characteristics of chlorimuron-ethyl in soils were investigated to provide the basic data for evaluating the safety in field and the risk to water resource. The adsorption-desorption experiment was conducted by the batch equilibration and HPLC techniques; furthermore, data were analyzed with 5 mathematic models to describe the
Wei ZHANG, Jin-jun WANG, Zhong-ming ZHANG, Zhen QIN   +3 more
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