Herbicide

专利摘要:

公开号:SU1225471A3
申请号:SU792829249
申请日:1979-10-23
公开日:1986-04-15
发明作者:Рор Вольфганг；Ширмер Ульрих；Вюрцер Бруно
申请人:Басф Аг (Фирма)；
IPC主号:

专利说明:

R
-methyl;
- CH,
 five
Y is hydrogen,
with the following content of components
means, wt.%:
The active substance of the formula 1401
BACKGROUND OF THE INVENTION The invention relates to chemical means of combating weeds and undesirable vegetation containing active substances and auxiliary components.
Herbicidal agents containing active substances - derivatives of aryloxyalkanoic carboxylic acids and auxiliary components - dispersants, stabilizers, emulsifiers, diluents are known. These include, for example, an agent based on 3- (N-methyl-urendo) -anilide 2,4-dichlorophenoxy acetic acid, containing the sodium salt of the phenolsulphonic acid condensation product as a dispersant.
The sodium salt of the condensation product of phenolsulfonic acid, urea and formaldehyde
Silica gel
Water
urea and formaldehyde, as a stabilizer - silica gel; as a diluent - water.
The disadvantage of the tool is its relatively low selectivity of action.
The purpose of the invention is to increase the selectivity of the action of the herbicidal agent based on substituted anilides of aryl xylan carboxylic acids.
This goal is achieved in that the herbicidal agent in the form of an aqueous emulsion contains, as an active substance, a substituted anilide aryloxyalkanecarboxylic acid of the general formula
at
X
m
de r
25
R x m Y,
alkyl C, C, cyanomethyl, 2-chloroethyl, 2-methoxyethyl 5, allyl, 2,2-difluoroisopropyl, 1-ethoxycarbonylethyl, 4 tert-butylcyclohexane 1, tylcyclopentyl; alkylene C — C; methyl or methoxy; O or 1; .ZS
hydrogen, chlorine, fluorine, bromine, methyl, methoxy, trifluoromethyl, cyano, dichloro, dibrom; dimethyl, trichlor or combinations: chloro-bromo, chloro-fluoro 35 chloro-methyl, chloro-methoxy-j chloro-tert-butyl, bromo-fluoro, bromo-methyl, bromo-triftrofluormethyl, nitro-trifluoromethyl, phenyl- chlorine, benzyl chloro or methyl di-chloro;
40
H25

- ES
35
40
CHD O
A, B and D - a) A
R R w - Y -
b) c and D R - R m
Y p
B) A and B R1 R
m
Y. d) D
Yt
n
(one)
oxygen or sulfur provided that:
cepa, when B and D are oxygen;
 or ethyl; CH (CH,);
0;
4-chloro, 254-dichloro or 2 bromo-4-chloro;
sulfur when A is sulfur;
methyl;
CHCCHj);
0;
2,4-dichloro;
sulfur when D is oxygen;
methyl;
CHCCHJ;
0
2,4-dichloro;
sulfur, when A and B - oxygen;
Continued table. one
Continued table. R
k is methyl;
Y is hydrogen,
with the following content1, wt.%;
The active substance of the formula 40
The sodium salt of the condensation product of phenolsulfonic acid, urea and formaldehyde10
Silica gel2
Water48
In tab. 1 shows the compounds of the general formula used as active substances.
The herbicidal agent is prepared by mixing and intensively mixing all components included in it.
Example. In plastic flowers with a capacity of 300 cm, containing clay sand with 1.5% humus in the quality of the substrate, the seeds of experimental plants are sown (see Table 1-9). Immediately after this, during pre-emergence treatment, the herbicidal agent in the form of an aqueous preparation is applied to the ground by spraying. After application
Have
(CH3) 2 -C-BN-O) O
NH-c25471
means vessels cjiei Ka spraying and agg, which promotes germination and growth. Then the vessels are covered with a transparent plastic film until the plants emerge. This coating causes uniform germination of the experimental plants, provided that they are not damaged by chemical growth.
For pre-emergence processing, the shadows of the shade are grown depending on their shape in experienced pots up to a height of 3-10 cm and then treated. At the same time the pots are not filled All experiments were carried out in a greenhouse, and for warmth of 15 loving plants a temperature of 25-45 s is created, and for the rest - 15-30 C. Experiments are carried out for 3-6 weeks. At this time, the plants process and evaluate their reactions to individual
20 processing methods.
Evaluation is carried out in percent from 0 to 100. Herewith, O means normal shoot and no damage, and 100 means no shoot and complete destruction of at least the aboveground part of the plants.
The results of the experiments are summarized in table. 2-9.
For comparison, a 40% aqueous dispersion of a known substance was used.
(BUT)
25
thirty
 ABOUT
NH-cCH o- (oVci
The data presented in Tables 2-9, selectivity of action According to the effect, indicate a high herbicidal activity, it exceeds the known activity of the agent and its good 40 means.
AT
and
Table 1
Table 1
and
H.j / C -A-R /
T „
Hd-r-j) i ii
N o
sn.
-CH (CH3) 4-C1 5-CH,
148-150
Continued table.
Continued table. 2
Continued table. 3
Continued gab.
151225471
Post-harvest processing in greenhouse
sixteen
Table 7
Editor N. Kistutinets Order 1970/62
Tehred O. Sopko
Corr Sub
Circulation 679 VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, st. Project
Continued, table. 9
Proofreader L. Patay Subscription
on, h

权利要求:
Claims (2)
[1]
A HERBICIDE AGENT in the form of an aqueous dispersion containing the active substance — substituted aryloxyalkanecarboxylic acid anilide, dispersant — the sodium salt of the condensation product of phenolsulfonic acid, urea and formaldehyde, stabilizer — silica gel and diluent — water, characterized in that, in order to increase the selectivity of the action, it contains as an active substance, a substituted aryloxyalkanecarboxylic acid anilide of the general formula where R is alkyl C, - C 1, cyanomethyl, 2-chloroethyl, 2-methoxyethyl,
[2]
2,2-difluoroisopropyl, 1 ethoxycarbonylethyl, 4 tert-butylcyclohexyl,
1-methylcyclopentyl .;
R is alkylene C, - C ₃ ;
X is methyl or methoxy;
w - 0 or 1;
Y _h - hydrogen, chlorine, fluorine, bromine, methyl, methoxy, trifluoromethyl, cyano, dichloro, dibromo, dimethyl, trichloro or combinations: chloro-bromo, chloro-fluoro, chloro-methyl, chloro-methoxy, chloro-tert-butyl, bromine -fluorine, bromine — methyl, bromo-trifluoromethyl, nitro-trifluoromethyl, phenylchloro, benzyl-chloro, or methyl-dichloro;
V - ^R - ^ ^Yn <0 о
A, B and D are oxygen or sulfur, provided that:
a) A - sulfur, when B and D are sour, glad;
R is methyl or ethyl;
R ⁷ is CH (CH);
m is 0;
^_ 4-chloro, 2,4-dichloro or
2-bromo-4-chloro;
b) B is sulfur, when A is sulfur;
R is methyl;
R ’- CH (CH„);
m is 0;
Y _n - 2,4-dichloro;
c) A and B are sulfur, when D is oxygen; R is methyl;
R ′ ² —CH (CH);
tp - 0;
Υ _κ is 2,4-dichloro;
d) D is sulfur, when A and B are oxygen; .
SU „„ 1225471
R ¹ is methyl;
R ² is CH _g ;
Y _n is hydrogen, with the following content of components of the agent, wt.%:
The active substance of formula 1 40 Sodium salt of the product of condensation of phenol ul acid, urea and formaldehyde 10
Silica gel
Water

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE19782846625|DE2846625A1|1978-10-26|1978-10-26|M-ANILIDURETHANE|

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