Method of protecting cultivated plants from undesired herbicide action

专利摘要:
Heterocyclic compounds of the general formula: <IMAGE> wherein: R1 represents alkyl, haloalkyl, alkenyl, haloalkenyl, arylalkyl, arylhaloalkyl, cycloalkyl, halocycloalkyl, aryl, haloaryl, alkoxyalkyl or haloalkoxyalkyl; X1 is chlorine, bromine, or fluorine; X2 and X3 are hydrogen, chlorine, bromine or fluorine; A represents oxygen or sulphur, S-O <IMAGE> or N-R8; R8 is hydrogen, alkyl, haloalkyl, hydroxyalkyl, alkoxyalkyl, arylalkyl, aryl or <IMAGE> B represents <IMAGE> m is 0, 1 or 2; n and p are 0 or 1; R2, R3, R4, R5, R6, R7, R'2, R'3, R'4, R'5 are the same or different and are hydrogen, alkyl, alkoxyalkyl, haloalkyl, or hydroxyalkyl; and Y and Z are the same or different and are hydrogen, halogen, alkyl or alkoxy. These compounds are used as antidotes against herbicides.
公开号:SU759045A3
申请号:SU762387471
申请日:1976-08-04
公开日:1980-08-23
发明作者:Сзабо Кароли；Кастро Бертран；Балд Даниель
申请人:Продюи Шимик Южин Кюльман (Фирма)；
IPC主号:

专利说明:

(54) METHOD OF PROTECTING CULTURAL PLANTS AGAINST THE UNDESIRABLE EXPOSURE OF HERBICIDES The invention relates to chemical methods of protecting cultivated plants from undesirable effects of herbicides. There is a known method of protecting cultivated plants from undesirable effects of herbicides using the herbicidal cog. "1 position on the basis of the herbicide - 5-ethyl-H, H-dipropylthiocarbamate and the antidote - 2,2-dimethyl-3-dichloroacetyl-1, 3-oxazolidine - holding thiocarbam common forla. j;: rH-oo-s-ii HZ e R is alkyl R (r is alkyl Cd (Cyclohexyl; R and Rn together form hexamethy; Rg is ethyl, 2, -3-dichlorallyl, ureas of the general formula of the soil, or seeds of an antidote of the general formula where RS is dichloromethyl, butyl, Xa chloro, bromo; Kg is hydrogen, chlorine, bromine; A is oxygen, sulfur, group 0 RC OHOl2; g, oo b is group-W-CH-, 2 CH3-SC-CJ2-NC I, -CH, -CHI, -CH, -, -C-OH2 CH3 with an antidote: herbicide ratio of 0.1-0.5: 1. Compounds of general formula 1 can be obtained by the action of the halogenated aldehyde of formula 2 on the amino compound of formula 3 by reaction X T1 -AH-t- -CHO- -Nn: A + NgN - B XsCH-: W Xi-O-Xjj and action m of anhydrous acid anhydride of the formula R -CO-CE or anhydride: kilograms of formula () O to the obtained intermediate product of formula 4 according to the following reactions: Compound IV — CE — Compound I + HCP. Compound IV + (Rg-C0), j O Compound I + In formulas II, III and IV X, X. and in have the same meanings as in 1, A denotes an oxygen or sulfur atom, or the group -N-C-C II O These compounds can be used Eoyans in all forms commonly used in agriculture: for example, they can be together with a herbicide or separately as a wettable pore Kaf emulsified in water solution of granules and and any other form of IP enjoyed for prigotovlani Herbie tsidov. Additives commonly used to facilitate storage and product penetration into plants, such as mineral fillers (talc, silica Kieselguhr, diatomaceous earth, clay, etc.), various organic diluents ( mineral oils, organic solvents), .surfactants, antioxidants and various stabilizers. The proposed compounds can be applied simultaneously with herbicides or separately. They can, for example, be applied to the soil before or after the appearance of seedlings, before or after the application of the herbicide. They can also be used for seed treatment by spraying or dusting. Example. Placed in a greenhouse in clay cups, the ground is a basis of 2 parts by weight. clay and 3 weight.h. sand (crushed sandstone Fongaipéeap) 10 grains of corn are sown on this ground by two furrows of 0.5 cm depth, and 20 grains of barley between grains of corn. The resulting crops are divided into three sections. A layer of earth 2 cm thick, having the same composition as the ground base, is poured onto 1 plot, but in which a water suspension of the herbicide and antidote is introduced by mechanical mixing. A layer of earth 2 cm thick, of the same composition as the earth base, in which only one herbicide is added, is poured on the second section. Finally, a layer of ground-2 cm thick treated with water is poured on the third section. The amounts of herbicide and antidote applied correspond to doses of 5 and 10 kg / ha of herbicide and doses of 0.5 and 1 kg / ha of antidote. The herbicides used are thiocarbamate. These are -S-ethyl-N, N-dipropylthiocarbamate (ERTS, EPTAM) and 5-ethyl-M, N-diisobutylthiolcarbamate (BUTYLATE). . The following antidotes are used: 2-trichloromethyl-3-dichloroacetyl-1, 3-oxazolidine (1), 2-trichloromethyl-3-dichloroacetyl-5-methyl-1, 3-oxazolidine (2), 2-trichloromethyl-3-dichloroacetyl -4-ethyl-1, 3-oxazolidine (3), 2-trichloromethyl - 3-dichloroacetyl-1, 3-tetragy, arooxazine (4), 2-trichloromethyl-3-dichloroacetyl-1, 3-thiazolidine (5) , 1,3-bis- (dichloroacetyl) -2-trichloromethyl-1, 3 - imidazolidine (6), 2-trichloro-methyl-3-dichloroCetyl-4, 4 Dimethyl-1,3-oxazolidine (7), 2 -tribrom letyl-3-; p; ichloroacetyl-1,3-oxazolidine (8),. 2-trichloromethyl-3-valeryl-1,3-oxazolidine (9), 2-dichloromethyl-3-dichloroacetyl-1,3-oxazolidine (10), l-OKco-2-trichloromethyl-3-dichloroacetyl-1, 3- thiazolidine (11), 1,1-dioxo-2-trichloromethyl-3-dichlorodetil-1, 3-thiazolidine (12). Experiments corresponding to different types of treatment are repeated by five.
times and averaged results are calculated for each type of treatment
The treated crops are checked after 12 and 20 days. It is ascertained that in all experiments, barley, which is a wild-growing plant here, is destroyed at 100%, both in areas treated with a mixture of herbicide + antidote, and also in areas treated with one herbicide. In addition, the antidote effectiveness of the tested compounds was evaluated by assessing the vegetative energy of corn plants treated with a mixture of herbicide + antidote, and compared with the vegetative energy of corn plants treated with one herbicide. Evaluation (calculation) of vegetative energy is carried out by measuring the height of plants.
The height of corn plants treated with a mixture of herbicide + antidote is expressed as a percentage of the height of the corn plants treated with one herbicide.
The obtained average results are presented in table. 1, 2, 3 and 4.
From these tables, it follows that in the experiment with corn treated with ERTS or BUTYLATE, the antidote efficacy is especially noticeable for antidotes 2 and 3.
Example 2. B. plastic boats placed in the ground-bases of 2 parts by weight. clay and 3 weight.h, sand. In this land, the subject cultures of plants and plants that are considered as weed grass are sown, the ylbor is most recently associated with the choice of herbicide to be used. The herbicide tests are given in Table 5.
The resulting crops are divided into three sections. The first section is covered with a layer of earth, into which the herbicide with the antidote is introduced by mechanical mixing, the second section is covered with a layer of earth into which one herbicide is introduced, and the third section is covered with a layer of soil that is not treated and serves as a control.
The applied amounts of herbicides correspond to doses of herbicide 5 and 10 kg / ha. The dose of the antidote is 1/10 or 1/2 of the herbicide. The antidotes tested are compounds 1 and 3 ..
Crops are inspected 12 and 20 days after treatment. It is stated that in all experiments, plants selected as weeds kill 100%, both in areas treated with a mixture of herbicide + antidote (this refers to both doses of the antidote) and in areas treated with one herbicide. In addition, the antidote effectiveness of the test products was evaluated by the method described in the previous example (evaluation of vegetative energy by measuring the height of the plants).
The results are presented in Table. b and 7. In table, the growth of plants treated with a mixture of herbicide + antidote, expressed as a percentage of the height of plants treated with one herbicide. The values given in brackets correspond to the growth of untreated control samples.
Example RZ. In this example, an antidote 1 is tested against an ERTS herbicide applied on corn to change the way the antidote is applied.
Corn crops are divided into four plots. The first section is covered with untreated and serving as control earth. The second section is covered with earth treated with the introduction of herbicidal granules. The third area is covered with earth treated with the introduction of herbicidal granules impregnated with antidote (the concentration in the granules of the antidote is 1/10 of the concentration of the herbicide). Finally, the fourth area is covered with earth treated with the introduction of herbicidal granules, then immediately after that treated with the introduction of an aqueous suspension of the antidote, and the amount of antidote applied is calculated to be 1/10 of the herbicide.
Experiments are checked 12 and 20 days after treatment. The antido on the efficacy of the test product is assessed as indicated previously (assessment of vegetative energy by measuring the height of the maize plants).
The results are shown in Table. 8. In the table, the height of the plants treated with the herbicide / antidote mixtures is expressed as a percentage of the height of the plants treated with the herbicides, and the numbers in brackets correspond to the height of the untreated control plants.
Example4. In this experiment, anti-1, in the form of a powder with 50% of the active start, is applied by stirring the maize grains intended for sowing. The amount of antidote applied to 1 centner of seeds: 31.25 g, 62.5 g, 125 g, 250 g
Crops are carried out as in the previous examples and divided into six parts:
plot 1 - sowing (seedlings) of unprocessed corn, covered with uncultivated land,
plot 2 sowing (sprouting) of uncooked maize covered with land treated with the inclusion of ERTS,
plots 3, 4, 5 and 6 - seedlings of seedlings of corn, treated respectively with doses of antidote, treated respectively with doses of antidote 1 and covered with earth, treated with ERTS by inclusion.
In all these experiments, the dose of ERTS used was 5 kg / ha.
The vegetative energies of corn plants were estimated after 12 and 20 days. Results are presented in
The effectiveness of antidotes on corn, weeded using ERTS
Herbicide + antidote
Time
Table 9. In the table, the vegetative energies of plants are expressed as a percentage relative to the vegetative energy of plants that have been treated only with herbicides.
Thus, the proposed method of protecting cultivated plants from undesirable effects of herbicides is effective.
Table 1
After 5 +0.5 108 118 119 109 109 157 12 daysd +0 (without processing, control) 110 117 117 117 138 138 After, 5 + 0.5 109 135 135 115 115 173 20 "" "Control 115 134 134 134 150 150 After 10 + 1 129 119 148 155 109 147 12 days „135 157 157 157 158 158 Control 147149 165 158 99 222 After 10 + 1 20 control 148181 181 181 217 217
Efficacy of antidotes on corn weeded with BUTYLATE
100
100
100
Table 138 128 95 86 105 125 5 138 133 133 133 133 133 179 141 106 72 130 162 5 100 150 162 162 162 162 162 135 147 126 143 164 20110 158 212 212 212 212 212 198 208 127 146 240 321 10 217 310 310 310 310 310
The effectiveness of antidotes on shoots
The effectiveness of antidotes on shoots
Antidote 2-trichloromethyl-3-acetyl-1, 3-oxazolidine (known) and herbicide
Herbicide only
Without treatment (control)
Table of maize, processed ERTS
Table of corn treated with EPTS
5 10
17.6 11.4
19.5
5 10 14.4
29.0 Herbicides and plants treated by them
Carbamates
5-Ethyl-S, N-diethylthiocarbamate (ETIOLAT)
5-Ethyl-M, N-hexamethylene thiocarbamate (MOLINAT)
5-Ethyl-N-Ethyl-M-cyclohexylthiocarbamate (CYCLAT)
S- (2,3-Dichlorallyl) -N, N-diisopropylthiocarbamate (DIALAT)
4-Chlorobutin-2-yl-3-chlorophenylcarbamate (BARBAN)
S-Ethyl-N, N-diisopropylthiolcarbamate.
Urea
S- (3-Chloro-4-methylphenyl-N, N-dimethylurea (HLORTOLUURON)
N- (3, 4-Dichlorophenyl-) N-methoxy-M-methyl urea (LINURON)
Chloroacetanilides
N-Isopropylchloroacetan (PROCHOHOL)
N-methoxymethyl-2,6-diethylchloroacetanilide
(ANAHLOR)
Triazines
2-Chloro-4-ethylamino-6-isopropylamino-simm-triazine (ATRAZINE)
Table 5
Corn
Mustard
Pic
Mustard
Barley
Beet
Sunflower
Barley Wheat
Barley
Corn
Wheat
Mustard
Mustard
Corn
Barley
Wheat
Mustard
Wheat
Grain Bread Oats
(and I s: s; y (b n
I am
(13
with
ABOUT)
3
X
tJ
S
with;
em (d a
(d ng
about and
S
S o
but
W
|: m -v,
o (and h o o, "n
S D
n s; g.
(OK
sh
S
p o o
pz ga t;
ID
to
The effect of the methods of making antidote 1 on its activity in relation to ERTS
Introduction Method
The introduction of antidote B herbicide granule
Separate application of herbicide and antidote granules
The effect of different doses of antidote 1 in the processing of corn seeds
Antidote dose, g
31.25
62.5
125
250
Without antidote (only with herbicide)
No processing
(control)
Table 8
Vegetative energy,%
The dose of herbicide + dose of antidote, kg / ha.
2.5 + 0.25
5tO, 5
10 + 1
After
12 days 86 (90) 105 (110) 115 (135)
After
20 days 85 (99) 112 (115) 130 (148)
After
12 days 97 (99) 109 (110) 130 (135)
After
20 days 97 (99) 110 (115) 147 (148)
Table 9
Vegetative
Energy Evaluation Time,%
159
After 12 days 287 After 20 days
189
After 12 days 363 After 20 days
185
After 12 days 348 After 20 days
%
188
12 days 369 20 days
100
After 12 days 100 After 20 days
192

权利要求:
Claims (2)
[1]
1. The patent of France 2212336, cl. C 07 O 85/26, published 1974.
[2]
2. Melnikov N.N. Chemistry and technology of pesticides, M .: Himi, 1974 p. 348, 331, 376, 384, 196, 198, 668 (prototype). nor treated with an antidote of the general formula O "- Xi-C-Xj where Rft is dichloromethyl, butyl; X, 5-chloro, bromine; X - hydrogen, chlorine, bromine; And - oxygen, sulfur, group - o, -. в - group CH-CH - -CHN-on-, 1. g / I

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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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FR7514297A|FR2310348B1|1975-05-07|1975-05-07|

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