CN1074252C - Pesticide composition - Google Patents

Abstract

The present invention relates to a pesticide composition. The present invention is characterized in that the pesticide composition is prepared from one preparation or the compounded preparation of any two kinds of 25 to 50% of methamidophos preparation, 20 to 40% of omethoate preparation and 21% of mite-killing pesticide preparation compounded by cyanopyrethroid and Malathion and traditional Chinese medicine mint according to the dosage compounding ratio of (99.0 to 99.5): (0.5 to 1.0). The composition of the present invention can be used for killing various pests and insect ova of foodstuff and cotton, and can postpone the pesticide resistance of pests and decrease the chronic poisoning of crops.

Description

Pesticide composition

The present invention relates to a kind of crops pesticide composition, belong to pesticide.

The insect of crops is one of problem of restriction agricultural foison, and at present control some agricultural chemicals that uses aspect the worm crops are produced chronic poisoning in insect protected, and insect develops immunity to drugs, and problem such as contaminated environment is still problem anxious to be solved, as phoxim emulsifiable concentrate agricultural chemicals or phoxim and other organic phosphor kind complex preparation, behind composite dose of phoxim and pyrethrin pesticide or phoxim and the organic phosphorous built again with composite dose of chrysanthemum ester class, produce cotton two areas at the Central Plains emphasis and a large amount of cotton field cottons are arranged because of pesticide poisoning early ageing and injures and deaths, economic loss is quite serious, with the phoxim is example, because part volatilization is in the space after the dispenser, a part is absorbed by cotton leaf, drop on the soup in the soil, irrigate the fields or when rainy, absorption by the cotton secondary root, making cotton dredge tissue poisons, cause cotton leaf top-down withered, after meeting continuous bright day gas, though cotton poisoning symptom respite, but light and effect and vigor reduce, cause the later stage bud to come off in a large number, cause the cotton underproduction significantly, after cotton absorbs phoxim pesticide, the serious symptoms of progressive poisoning, make cotton become the death of bell phase, the death of cotton growth middle and later periods, cotton boll can not increase, fiber no longer increases, quality descends, and cotton is the underproduction significantly, and is in poor harvest.

Purpose of the present invention is just in order to solve the problem of above-mentioned existence, and provide a kind of methamidophos preparation selected from common agricultural chemicals, flolimat preparation and mite-killing pesticide preparation are the basis, allocate a kind of multiple worm moth of repellent that has into, it is sterile to upset cotton bollworm, can suppress Chinese medicine peppermint oil again, thereby improve pesticide resistance and reduce the crops chronic poisoning owing to the generation of the hot and humid multiple fungal disease that causes.

The objective of the invention is to realize by following technical proposal:

Pesticide composition of the present invention, by 25-50% methamidophos preparation or 20-40% flolimat preparation, or by 21% composite mite-killing pesticide preparation of cyanogen penta chrysanthemum vinegar and malathion, wherein a kind of or any two kinds of complex preparation agricultural chemicals and Chinese medicine peppermint are formed, and consumption proportion is 99.0-99.5: 0.5-1.0.

Wherein any two kinds of composite its proportionings of preparation agricultural chemicals: 1-4: 4-1.

The peppermint oil that adds in the composition of the present invention is a kind of peppermint fragrance that has, band hot taste, and refrigerant, strong gas blowby is arranged, when temperature is low, there is a large amount of clear crystals to separate out, become sticky when cool, easy molten water, it is a kind of vegetable oil with insecticidal activity, after plant absorbing, can increase the pest-resistant effect of plant, improve plant disease-resistant worm ability, owing to have fragrance, insect is inhaled the aroma, produce and poison and death, insect there is action of contace poison, also have repellent action, can disturb embryonic development in larva and the ovum, larva can not normally be peeled and death, ovum can not normally be hatched, can kill various instar larvaes and ovum.

Methamidophos preparation another name gram mite is grand, methamidophos, active ingredient is O, S-dimethyl thiophosphoryl amide or O, S-dimethyl amido D2EHDTPA ester content is 25-50%, insect is had tag, stomach toxicity and certain stifling, systemic action.

The flolimat preparation is a kind of efficient, broad spectrum organic phosphorus insecticidal/acaricidal agent, it is strong that insect is knocked down power, control produces effect to the aphid mite that Rogor and organophosphorus insecticide develop immunity to drugs, and also can prevent and treat pests with chewing mouthparts such as leaf roller, and active constituent content is 20-40%.

The mite-killing pesticide preparation is by containing 5% sumicidin and 16% malathion, and total active ingredient is 21%, sumicidin, also claim Belmark, speed go out the chrysanthemum ester, kill chrysanthemum ester, valeric acid Cyano chrysanthemate, active ingredient 20%, Shanghai insecticide factory produces, it has wide spectrum, efficient, effect is rapid, and the power of knocking down is strong, to tag, stomach poison function is also arranged, the malathion is S-1,2-two (ethyoxyl carboxyl) ethyl O, O-dimethyl disulfide substituted phosphate, active ingredient is 45%, be a kind of high-efficiency low-toxicity Insecticiding-miticiding preparation, prevention and treatment range is wide, and toxicity is low, residual effect is short, Zhejiang Hangzhou production.Mite-killing pesticide preparation by the production of Taihe county, Anhui insecticide factory.

The present invention carries out single variety and peppermint compounded combination according to the performance of above-mentioned known pesticidal preparations; perhaps any two kinds compounded combination; through practice; the preparation of Pesticidal combination isotropic body of the present invention; and form meagre protective layer on preparation top; make agricultural chemicals reduce volatilization; delay to reduce the time of content; prolong the term of validity of agricultural chemicals; behind the composition thin up insect there is stronger wetability; and the cured matter layer of the resistance that penetrates insect that can be stronger, make chemical pesticide be penetrated into the organization internal of insect as early as possible, thereby increased the effect of killing the resistant insect adult.

Composition of the present invention is through a large amount of farmlands test of pesticide effectiveness, and the result shows that said composition can kill cereal crops, the two spotted spider mite of cotton, cotton bollworm, educates stinkbug, aphid etc. and various worm's ovums, can delay the pesticide resistance and mutual pesticide resistance of insect.

Composition of the present invention, each component mix the back under the mixing speed that per minute 50 changes, and mix the homogeneous liquid state that forms, and dilute 800-1000 in use doubly, can use continuously.Not only consumption is few, and cost is low, up to ten thousand mu of cotton fields, wheat field test effect highly significant in the central plain area.

Result of the test is as follows:

The anti-test that eliminates aphis of apple tree

For the examination apple variety is blue or green banana, the apple tree in 13 years, and the result is as follows: see Table 1

Table 1 numbering medicament title medicament place of production dosing preventive effect % mu expense (unit)

Behind the ml/ mu medicine behind 1 day medicine behind 3 days medicines 7 days 1 2.5% time missible oil Britain foretell inside door chemistry 25 68.76 98.1 99.0 1.20

Co., Ltd's 2 21% mite-killing pesticide preparation Zhengzhou Mangshan Mountain chemical plant 20 79.01 98.3 98.6 0.603 flolimat preparations and Taikan, Henan 20 85.13 100 100 0.44

Peppermint complex composition 4 methamidophos preparations and oxidation " 20 81.60 100 100 0.56

Rogor preparation and peppermint composition 5 CK (blank) clear water-51-45-40

Two, the anti-field control effectiveness test that eliminates aphis of wheat paddock:

This test repeats four times, and randomized arrangement the results are shown in Table 2

Table 2 numbering medicament title dosing preventive effect % mu expense (unit)

7 days 1 21% mite-killing pesticide preparation 17 94.48 94.49 48.98 0.62 40% flolimat preparations 20 98.81 99.41 99.41 0.443 flolimat preparations 20 99.51 100 100 0.60 behind 3 days medicines behind 1 day medicine behind the ml/ mu medicine

With composite 4 methamidophos preparations of peppermint and oxidation 20 99.41 100 100 0.56

Rogor preparation and peppermint composition 5 CK (blank) 0-19.35-19.45-18.1

More than test effluent south agriculture university provides report, its result:

1, medicament of the present invention and contrast medicine " time " missible oil, mite-killing pesticide preparation quick-acting will be got well, and behind the medicine 3 days, 7 days, drug effect was still compared according to medicine high slightly, and the field expense reduces half.

2, medicament of the present invention is in quick-acting, and it is good that wholesomeness is all compared according to medicine, and the mu expense is suitable substantially, but reduces by 24% than flolimat preparation.

Three, the cotton field test of pesticide effectiveness

Test in three areas respectively, its result is as follows: see Table 3

Table 3 test site medicament title extension rate preventive effect % mu expense

(unit) I 5% came good fortune spirit 1,500 0 20 60 1.66 in 30 minutes 2 hours 3 hours

The present composition 2,000 50 70 100 0.55II 2.5% time missible oil 3,000 20 40 70 1.00

The present composition 2,500 60 80 100 0.56III 21% mite-killing pesticide missible oil 2,000 45 60 85 0.87

The present composition 2,000 60 80 100 0.6

The result shows, medicament antagonism cotton bollworm of the present invention knocks down that power is strong, and it is fast to be poisoned to death, and the preventive effect comparison improves 30-40% according to medicine, and expense only uses 0.55-0.6 unit/mu, than control group minimizing 0.27-1.11 unit/mu.

Four, to the test of control resistant bollworm: title object multiple base was imitated 1 day 2 days 3 days 5 days 7 days after seeing Table 4 table 4 chemical controls use insect population medicine

The worm that the lives % worm % worm % worm % worm % chlorine horse soluble oil cotton bollworm 1,000 10 of going down that lives of going down that lives of going down that lives of going down that lives of going down

3 70 2 80 2 80 2 80 3 80 present composition cotton bollworms, 1,000 14 3 78.6 1 92.8 1 92.8 1 92.8 1 92.8 present composition two spotted spider mite, 1,000 182 18 90 9 95 7 95.8 present composition cotten aphids 1,000 51 35 31 2 96

The result shows: medicament of the present invention is fine to cotten aphid, two spotted spider mite control.

The above South Pacific of effluent as a result Kang County cotton office provides.

Compared with the prior art technology of the present invention has following advantage and effect:

A) can be stronger kill two spotted spider mite, cotton bollworm on grain, the cotton, educate insect and multiple worm's ovums such as stinkbug, aphid can delay the pesticide resistance and mutual pesticide resistance of insect;

B) by thousands of times small plot experiment and field demonstration, by 1: 800-1000 doubly dilutes, and uses continuously, and insect is developed immunity to drugs, and does not produce chronic poisoning again;

C) utilize the characteristics of peppermint oil, make crops reduce temperature, thereby change the state of cotton, can make plant absorbing increase insect resistance capacity after the plant absorbing simultaneously, play the effect of biological control insect because of hot and humid generation disease at low temperature crystallization; After the plant absorbing, make blade turn green thickening, increased light and effect, improve resistance against diseases, behind agriculture chemical compounding, form a kind of protective layer, prevent the volatilization of agricultural chemicals, make active ingredient storage life lengthening on the agricultural chemicals surface;

D) reduce usage amount, reduce cost, improve insecticidal effect, reduce the pollution of agricultural chemicals environment.

50% methamidophos preparation that embodiment produces with Xinyang, Henan Province chemical general factory; 40% flolimat preparation with the production of Zhengzhou insecticide factory; 21% mite-killing pesticide preparation with Taihe county, Anhui pesticide producing; Peppermint oil with the Henan product.

Embodiment 1:

Get 50% methamidophos preparation 99kg, with peppermint oil 1kg, stirring gets final product;

Embodiment 2:

Get 50% methamidophos preparation 30kg, 40% flolimat preparation 69kg, with peppermint oil 1kg, stirring gets final product.

Embodiment 3:

Get 40% flolimat preparation 40kg and 21% mite-killing pesticide preparation 59.5kg, peppermint 0.5kg mixes and gets final product.

Embodiment 4:

Get 40% flolimat preparation 99.5kg and add the 0.5kg peppermint oil, stirring gets final product.

Claims (2)

1, pesticide composition is characterized in that it is made up of 50% acephatemet missible oil, 40% omethoate emulsifiable solution and peppermint oil, and consumption proportion is 30: 69: 1.

2, pesticide composition is characterized in that it is made up of 40% omethoate emulsifiable solution and peppermint oil, and its consumption proportion is 99.5: 0.5.