SU592331A3 - Method of fighting insects, ticks and nematodes - Google Patents

Description

This invention relates to the field of combating harmful insects, mites and nematodes. A known method of combating insects T1, by treating them or their environment with an active substance based on 0, O-aapkip-0-pyrimidiip-2 - phosphates or thiophosphates 11A well-known method of combating insects, mites and nematodes by treating them or their environment acting on the basis of 4-phosphorylated pyrimidines. However, this method is insufficiently effective at low consumption rates of the active substance. The purpose of the invention is to increase the efficiency of the method. The above objective is achieved by using the total iH3 "phosphorus acid ester pyrimidinyl esters as the active ingredient: Р-О-Н (Л $ 1 where R is alkyl, Cj is C; R is alkyl, Ci is Cg, alkoxy, C t is C6 or phenyl; alkyl Cj is C or phenyl, which may contain halogen atoms as substituents, X is oxygen or sulfur. The concentration of the active substance should be in the range of O, 0001-1O wt.% And rarely, 0.01-1 wt.%. Pyrimidinyl Phosphorus esters of the above formulas have a significantly higher insecticidal, acaricide 1st and him tocid activity than the known analogs. With a slight phytotoxicity, they exhibit a destructive action against sucking and biting insects, mites and nematodes. These compounds can be successfully named for protecting plants, food stocks and sowing materials as pre-chemicals. substances can be used in conventional compositions, such as emulsion solutions, wettable powders, suspensions, powders, dusts, foams, pastes, soluble powders, powders, aerosols, suspension-emulsion concentrates, porosity ki for seed material, as well as in formulations that form mist during ultra-small volumetric spraying.5 With active substances. it is possible to impregnate natural and synthetic substances, to introduce them into the thinnest. capsules of polymeric materials, into the shells for seed material, into smoke cartridges spirals and checkers. These compositions are prepared by conventional methods, for example, by mixing the effect of ryx substances with diluents, liquid solvents, pressurized gases and / or solid carriers using surfactants, emulsifiers and / or dispersants, and / or blowing agents. . When water is used as a diluent, organic solvents can also be used.20 The liquid solvents used are mainly aromatic hydrocarbons (xylene, toluene, benzene, alkylnaphthalenes), chlorinated aromatic and aliphatic hydrocarbons (chlorine benzopa, chlorine-25 ethylene, - chloride methylene), aliphatic. , /, hydrocarbons (cyclohexane), paraffins (petroleum fractions), alcohols (butanol, glycol), their ethers and esters, ketones (acetone, methyl ethyl ketone, methyl isobutyl ketone, 30 cyclohexanone), highly polar solvents (dimethylformamide, dimethyl sulfoxide) and water. Of the gases liquefied under pressure, for example, hapogenic hydrocarbons are used. The solid carriers used are kaolin, clays, talc, chalk, quartz, attapulgite, montmorillonite, dunatoic earth, highly dispersed silicic acid, aluminum oxide 40 and silicates, non-ionic and / or emulsifying agents. anionic emulsifiers (polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, for example, 45 alkyl ester polyglycol ethers, alkyl sulfates, alkyl sulfates, arylsulfonates, as well as protein hydrolysates); as a dispersant, lignin, sulfite liquors, and methyl acetate; other biologically active substances can be added to the compositions. The resulting compositions are used in the usual manner, for example, by spraying, watering, dusting, fumigating, treating with gas, etching, spraying or ultra-low volume exclusion C, only compositions containing up to 95-100% of the active substance). cm ki When applying the active substances to the aly and clays, the compositions have a high degree of effect, and when applied to these bases, they are well resistant to alkalis. . For the preparation of compositions in all measures of 1 weight.h, the active substance is eshivat c.3 weight, h. acetone, add weight.h. Alcyyl aryl polyglycolic e4ir and Baval concentrate, with water to the desired concentration. Example 1. A composition containing the ppm of the dehydrating substance is thoroughly mixed with the soil, filled with a mixture of a stick, kept for 24 hours at room temperature, placed in a treated Phoybia antianot and after days determined by the activity of the actual BeicecTBa. When treating a known substance with the handicum C Y y / ocigHs OtzHs, -., „. , the stump of the death of the larvae 0% (as in the control) ,, .wnc /. When using active substances, mules /. „/ OCtaHg Ne $ - / L-O-RS -NOSgNd (Compound (Ji) UN / -o-RS: {compound f / 2) 4-oo gNa coeduHtHvy / ocigHa H aNaICH -0 OtiiHs - m (cofduHgHVftlk CH3. 1 OUj / -o-Pc: CrH (coeduHeHve fJS) iHi. 1 OYz t.Hsjl- / -OP: OC are connected by a tie) (compound lil degree of death of larvae 100%. Example 2. As in the case The activity is active at a concentration of 2.5 times to the larvae of PHLEP1O m When using the known formula f Vo-1. p-N oen (compound, fi 9) the degree of death of the larvae is 0%, when treated with active substances 50

N 1, No. 4, J 5, L 6, and No. 7 degree of gabbella of larvae 10%.

10O, 100, 99, 90, 10O. 98, .10O to 90%, respectively. Example 3 A composition containing 20 ppm active substances is thoroughly mixed with soil that is heavily infected with MeCmdodyne incognita nematodes, sawed pots, planted lettuce and keep pots in a greenhouse at. After 4 weeks, lettuce roots (root galls) are examined and the activity of the active substance is determined. When tilling the soil with the well-known compound hfe 9, damage to the roots of lettuce, as in the control. The activity of compounds N 1 - No. 7 is equal to 1OO%. Example 4. A composition containing 0.01 and 0.1% of the active substance is sprayed on the leaves of cabbage {BtxssSicc oCstKaceci), wet with dew, and infected with cabbage moths of PEtiteEBa mactitipennis with caterpillars. After 3 days, the number of dead caterpillars is determined. The results are shown in Table. Example 5. 1 cm of the composition is pipetted onto a sheet of filter paper (diameter 7 cm), placed wet on the opening of the tube containing 50 fruit flies Binosoplyrioi meto-no qstei and covered with a glass plate. After 1 day, it is determined the number of dead fruit flies. The results are shown in Table. 2. Example 6. A composition containing 0.1% of the active substance is sprayed from dewed plants of PhaseoEus beans with a height of -Cho-30 cm, heavily affected by spider mite Tetfanychus ut tdcae. After 2 days, the number of dead ticks was determined. When using compounds No. 1О, N 11, N 12, No. 1, No. 13, hfo 7, f9 2, No. 4, N9 8, Jvfe 5, and the compounds of the formula JH5 - / VoOCjHr-H N oCgHs, the degree of death of flares is 0, Oh oh

Table 1

. (N.ZH, o4

jj J jNHdjHT (JHj

(compound

N 1

bN

ABOUT

 Vo-P (o (t2H5) 8

but

N

sh,

(compound V / C)

OD

20

OD 0.01

100 100

OD

lOO

O.Ol

100

OD

100

0.01

100

Concentration,%

Active substance

 СГН, СНь

(cotioHfHVf)

lO ;; Continued table. one

The degree of death of caterpillars,%

1OO

0.01

90

100

0.01 10О

0.1

100 0.01 100

Active substance

N) 11

Table 2

Degree of death

Concentration of fruit flies,%

10A

0.1 0.01

20

100

0.1

About 0.01

1OO

1OO

90

13Concentration

Active substance

14

Continued tabl, 2

The degree of death of fruit flies,%

1OO

0.1 0.01 1OO

100

0.1 1OO 0.01

100

oh 01 100

1OO

0.01

1OO

65

Oh, 001

1OO

0.01,100

Oh, GS1 1OO

10A

0.01

100

0.001

Claims (2)

45 59233 1b Claim 1. Method of combating insects, flares and nematodes by treating them or the environment with an active substance 5 based on phosphorylated pyrimidines, characterized in that, in order to increase the efficiency of the method, pyrimidinyl phosphorus esters are used as phosphorylated pyrimidines o & y formula formula. СНз Р - 0- {V $ I | 2 where R is alkyl C, - C; one . 16. C is alkyl Cj - C, alkoxy C, C or phenyl; alkyl C. - C. or phenyl, which may contain halogen atoms as substitutes; X - oxygen or sulfur, in a concentration of O, 0001 - 10 wt.%. 2. The method of claim 1, wherein the pyrimidyl esters of phosphorus acids are used at a concentration of 0.01 to 1. Sources of information taken into account in the examination: 1. US Patent No. 3741968, cl. Z6 (-251 P, 1973. 2. For the application of FRG 2144392, cl. jL2p 7 / O1, 1973.