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Insecticide, fungicide, acaricide, herbicide characteristics summary

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Apr 15,2015

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Insecticide

Methomyl

It is 10-100 times more active than avermectin in killing insects, mites and nematodes, and has a wider insecticidal spectrum; stomach poisoning is the main effect as well as touching; irreversible paralysis of pests occurs, and they stop feeding and die only after 2-4 days, so the insecticide speed is slow; the duration of effect is long, 10-15 days for pests and 15-25 days for mites. No endosmosis in crops, but can penetrate into epidermal tissues; very active against lepidopterans, mites, coleopterans and coleopterans, thrips, and not easily resistant to pests; easily degraded in soil; highly safe for all crops in protected areas or at 10 times the recommended dose; a second peak of insecticide occurs in 10 days or more;

Imidacloprid

Nicotine; touch, stomach poisoning and internal absorption; pest paralysis and death; good fast-acting, high efficacy in 1 day, residual period up to about 25 days; good insecticidal effect at high temperature; stinging-sucking oral pests; easily absorbed by crops and distributed to the top, with root-sucking effect;

Carbofuran

Promotes molting of lepidopteran larvae; opposite mechanism of action to other larval molting inhibitors; effective on both old and young larvae; stops feeding in 6-8 hours (gastric poisoning), more rapid action than molting inhibitors, starts to die after 3-4 days; harmless, safe for crops, no residual spots;

Malathion

When the temperature is low, the toxicity decreases, you can increase the application amount or concentration; chewing mouthparts and stinging mouthparts pests; touch and stomach poisoning, certain fumigation and penetration; strong knockdown force on pests, good effect at high temperatures; short residual period; sorghum, melon beans and pears, grapes, cherries and some other species prone to damage, should be used with caution; stop using 10 days before fruit picking.

Mirex

The older the insects are, the worse the prevention effect. Inhibits synthesis of titin; stomach toxicity, can invade the epidermis of insects and eggs, but no internal absorption; sprayed on the back of plant leaves; efficacy period of more than 30 days, resistant to rain; safe for natural enemies, high activity against lepidopteran and mosquito fly larvae; 3 days after the drug began to die, 5 days to reach the peak of death; ineffective for adult insects;

Quinthion

Insecticidal and acaricidal, with stomach poisoning and touching effect, no internal absorption and fumigation performance; good penetration, with certain egg-killing effect, fast degradation on plants, short residual period; good effect in preventing chewing and sucking pests

Acetamiprid

Chlorinated nicotinic pyridines; touch and stomach poisoning, good endosmosis activity; inhibits the activity of acetylcholine receptors; effective against aphids, leafhoppers, whiteflies, mealybugs in Hemiptera and leafminer moths, small feeding insects in Lepidoptera and aspergillus, thrips and other types of pests in Coleoptera; granules for soil treatment, can control underground pests; fast-acting, long shelf-life, up to about 20 days;

Thiamethoxam

Inhibits the synthesis of titin and interferes with metabolism; it takes 3-7 days after the drug to take effect, and has no direct killing effect on adults, but can shorten their life span and reduce the amount of eggs laid, and the output is mostly sterile eggs, and the larvae die quickly even if they hatch. It has good control effect on lice, leafhoppers, whiteflies and moths of Hemiptera, and the efficacy period is more than 30 days; it can not be used in toxic soil method; it is not suitable for direct contact with cabbage and radish, otherwise there will be brown spot and green leafing and other harmful effects.

Isoprope

It is mainly used in rice to control rice lice and leafhoppers, and can also be used against thrips; it cannot be used at the same time with dicotyledon, and must be used at intervals of more than 10 days; it is harmful to taro and must not be used.

Fenthion

Insecticidal spectrum, strong knockdown, mainly touch and stomach poisoning, no endosmosis, very effective for Phosphoroptera larvae, also have a certain role in killing eggs; light instability, best used at night or evening, short residual period; in the soil, the residual period is very long, suitable for the control of underground pests; cucumber, beans sensitive to octinoxate, easy to produce damage, sorghum sensitive, should not be sprayed and used; corn fields can only use granules to prevent corn borer, do not spray to control aphids, stick insects, etc.

Methoprene

Tacticidal, gastric and penetrating effects; chewing and stinging mouthparts pests, special effects on mites, some control of mites; residual period of 10-20 days; concentration in orchards should not be too high, otherwise it will cause brown spots;

Bifenthrin

Insecticide and acaricide; stomach poisoning and touch; rapid action and long duration; several times more active than other pyrethroids; stop using 4 days before vegetable harvest; more effective at low temperature, use in spring and autumn.

Methomyl

Rapid action; touch and stomach poisoning, also an excellent ovicide, and penetrates into the plant and moves from bottom to top with body fluids;

Fenthion

Touch and stomach poisoning, no internal absorption; fast knockdown, can control underground pests and larvae of Lepidoptera; easy decomposition in the light; melons, beans, beets, corn are sensitive to phoxim; stop using 5 days before harvest.

Chlorpyrifos (Roxaben, chlorpyrifos, toxaphene)

Broad-spectrum, stomach poisoning, touch and fumigation; good for underground pests; Sphingidae, Lepidoptera and pest mites; sensitive to melon seedlings;

Cypermethrin

It is effective against lepidopteran pests, aphids and small green leafhoppers. It is ineffective against mites and blind bugs, and has a weak residual period. It has a weak penetrating power and is less polluting to the interior of fruits;

Deltamethrin

It is effective against Lepidoptera larvae but not mites; it is weak in penetration and only pollutes fruit skin;

Triflumethrin (Kung Fu, PP321)

Strong touching and stomach poisoning effects on pests and mites, also has repellent effects; resistant to rain; no soil treatment;

Fluthrin (Permethrin, Permethrin)

Tacticidal and stomach poisoning; good for a variety of lepidopteran larvae; egg killing; repellent;

Bacillus thuringiensis

Bacterial; stomach poisoning, producing bacterial toxins; slow effect; residual period of about 10 days; the higher the temperature, the more feeding, the better the effect; larvae of lepidopteran pests such as cabbage moth, chokecherry moth, dipper moth, beet moth, silvery night moth; above 30 ℃ to play the role of insecticide; 2 to 3 days in advance

Avermectin

Broad-spectrum antibiotic insecticide and acaricide; stomach poisoning and touch, repellent;

Tetrapolyacetaldehyde

Very strong luring power; spring and autumn rainy season; after seedling sowing or transplanting; low temperature (below 1.5℃) or high temperature (above 35℃) due to weak snail activity, which affects the control effect;

Butylurea

Thiourea insecticide and acaricide; used on cotton, fruits, vegetables and tea trees; with endosmosis and fumigation, transformed into insecticide-insect-active substances under ultraviolet light, preferably in sunny days; resistant aphids, leafhoppers and sooty moths; control the infestation of small vegetable moths, vegetable butterflies and night moths;

Pyrethrum

Inhibits the enzyme of geobutyrin synthetase; causes sterility of adults, and is toxic to larvae, pupae, adults and eggs; more effective against larvae of Lepidoptera and Diptera.

Flubenuron

Insecticidal and ovicidal activity, and fast-acting, especially against cotton bollworm; a variety of Coleoptera, Diptera, Homoptera insects inhibit pest feeding rate; faster knockdown power.

Acaricide

Pyridaben

Broad-spectrum, high efficiency, touch-kill; eggs, wakame and adult mites; fast-acting and long residual period; should be sprayed evenly on both sides

Propargite

Tacticidal and stomach poisoning; poor effect on eggs; good effect above 20℃, decreasing effect below 20℃; residual effect period up to 15-25 days; must be used at low concentration under high temperature and high humidity conditions

Tetrabenazine

Sprayed before the hatching of winter eggs, can control phytophagous leaf mites throughout the season; effective against elm alligator mite (apple red spider), has no effect on predatory mites and beneficial insects; organic nitrogen heterocyclic; touch-kill effect, kills both young and wakame mites, but less effective on adult mites. It is effective up to 50-60 days; for apple red spider, it is applied during the incubation period of overwintering eggs before flowering, and for mountain plant red spider, it is applied during the peak egg-laying period of overwintering generation of adult mites after flowering; its effect is slow, and it can reach the highest acaricidal activity only 2-3 weeks after application; it is not affected by temperature when applied at the incubation period, and it can be mixed with staphylococcus. It can be mixed with staphylococcus; prevent from freezing and direct sunlight during storage;

Thiamethoxam

It is penetrating to the epidermis of plants and has no internal absorption and conduction effect. It has strong characteristics of killing eggs and mites, and is ineffective against adult mites, but has the effect of inhibiting hatching; it is a non-sensitive acaricide, and its efficacy can be maintained for about 50 days, and its efficacy is slow, so the application should be on the principle of early in the season; it can be mixed with a variety of pesticides, such as Bordeaux liquid and lithosulphide. Good for leaf mites, but poor for rust mites and gall mites;

Triazolyltin

Strong tactile action; broad-spectrum, can kill wakame mites, adult mites and summer eggs, not effective against winter eggs. Stable to light, long residual period, safe to crop; spraying on sweet orange at 32℃ and above can cause damage to new shoots and should be avoided in high temperature season.

Methothrin

Nerve agent with certain acaricidal activity but without fluorine; long residual period; repels its feeding and egg laying; non-thermophilic; Lepidoptera; not used for special acaricidal action; residual period is about 10 days.

Herbicides

Butachlor (marshmallow, dechlor, methomyl)

Selective pre-emergence; absorbed by young shoots and roots; effective for weeds before bud and second leaf stage; no effect on later crops; grass weeds, some sedge weeds and some broad-leaved weeds; melon weeds can be applied 1 to 2 days before seedling or transplanting; poor effect on cattle flour worm. ;

Isopropylmetolachlor (Duer, Duer, Metolachlor, Inarox)

Selective pre-emergence soil treatment agent; absorbed by bud sheath (monocotyledon) or young buds and young roots (dicotyledon); weed control for dryland crops such as peanut, soybean, vegetable, corn, sugarcane and melon field; must keep soil moisture after application;

Dimethylvalerate (Sida tonic, weedkiller, aminopyralid)

Inhibits cell division of meristematic tissue. Does not affect the germination of weed seeds. It is used in soybean, corn, cotton, tobacco, peanut and many kinds of vegetables and orchards to prevent and control annual grass weeds and some broad-leaved weeds; it is more effective than dicotyledonous weeds in preventing and controlling monocotyledonous weeds;

Sulfometuron (Sulfometuron)

Selective stem and leaf treatment agent of internal absorption and conduction type; grass weeds; absorbed by stems and leaves and hydrolyzed into acid; broad-leaved crops; grass weeds; slow action; persistence period up to about 45 days; good weed control effect when humidity is high;

Efficient Gaixin(Efficient Pyraclofop, Fine Gaixin, Efficient Pyraclofop)

Selective herbicide of internal absorption and conduction type; stem and leaf treatment; long residual period; effective in 1 week in summer and 20 days in winter; broad-leaved crop fields; grass weeds; not effective on broad-leaved weeds and sedge weeds; stop using 60 days before harvest;

Quebracho (quebracho, quebracho)

Selective herbicide of internal absorption and conduction type; 2 days for new leaves to turn yellow; 1 to 2 hours even in case of rain; broad-leaved crops; grass weeds; melons, soybeans, peanuts and vegetable fields; ineffective against sedge and broad-leaved weeds;

Weeba (Phyllostachys, Phyllostachys, Gauchozolin)

Selective systemic post-emergence herbicide; flexible application period (from the first leaf stage to the end of tillering), safe for crops, no residue on subsequent crops; for melons, vegetables, ornamentals, orchards, tea gardens, medicinal plants to prevent and control grass weeds;

Dicamba (Dicamba, Dicamba, Dicamba, Dicamba, Dicamba)

It is a selective herbicide of internal absorption and conduction type; it is absorbed by young shoots and roots; it works only after seed germination; it is effective before the second leaf stage of barnyardgrass and decreases significantly in the third leaf stage; it is used for weeding rice, vegetables, barley, rape and purple yew. The use of melon land is generally in the post-sowing seedling before;

Fungicide

Zinc Dyson

Broad-spectrum; mildew, late blight, anthracnose, etc.; early onset, short duration; melon blast, blight, angular blotch, wilt, anthracnose, mildew and other diseases;

Dexamethasone

For anthracnose, epidemic, downy mildew, leaf spot and black spot of melon; avoid using at high temperature; no need to make up spray after rain;

Thiophanate-methyl

Broad spectrum; protection and treatment; gray mold, powdery mildew, anthracnose, brown spot, leaf mold, etc.; root irrigation, control wilt; can be mixed with alkaline pesticides such as staphylococcus, but not mixed with copper-containing preparations, or used immediately before and after, and can not be used alone for a long time; stop using 14 days before harvest; sweet potato, peach; rice in the formation of young spike to pregnancy spray can control rice blast, blight, etc.; oilseed rape in the blooming period Spraying can control botrytis; spraying can control gray spot in soybean pod period;

Chlorothalonil

Broad-spectrum; preventive effect, no internal absorption and conduction; not easily washed by rain, long residual period; tomato, mushroom, strawberry, tea tree, peach, tobacco, some apple, grape varieties have damage; prevent and control potato late blight, early blight and gray mold before sealing rows; control grape anthracnose, powdery mildew, fruit rot in the first 2 weeks after flowering; control peach brown rot, scab in the bud stage and flowering, camphor The control of strawberry gray mold, leaf blight, leaf scorch and powdery mildew is usually sprayed once at the beginning, middle and end of flowering;

Methomyl

With up and down conduction, protection and treatment; residual period of 10 to 14 days; melon downy mildew, epidemic mildew and rot;

Polymyxin

Broad-spectrum, protection and treatment; effective for many ascomycetes and hemipterans, control melon blight, vine blight, anthracnose, powdery mildew, downy mildew, leaf spot, etc.; peach, tobacco, tomato; wheat spraying at the beginning of flowering to control blast; young spike formation period to the pregnant spike can be sprayed to control stripe blight;

Mildew

protection and treatment; long duration and can stop the development of the spot; leaf, root internal absorption; special effects on diseases caused by the genus Staphylococcus and the genus Nucleus, such as gray mold, mycobacterium and pathogenic bacteria resistant to methomyl and carbendazim under high humidity and low temperature conditions; should not be mixed with organophosphorus pesticides; spraying in seedlings, weak seedlings, high temperature, high humidity conditions, pay attention to the concentration of application to avoid drug damage Strawberry, peach and cherry;

Isometuron

Broad-spectrum, touch-type, protection and treatment, root absorption plays a therapeutic role; Staphylococcus, Candida, nucleus discus, cross-streptococcus and other diseases caused by the disease, especially for the control of gray mold, mycobacterium, early blight; cherry, peach, plum; control grape gray mold can be in the grape receptacle off, grape bunches stop growing, began to ripen and 20 d before harvesting each application; control apple spotted defoliation apple spring tip The beginning of the growth period began to spray; drupe (apricot, cherry, peach, plum, etc.) flower rot, gray star disease, gray mold, flower rot in the beginning of the flowering period and the flowering period of the fruit trees are sprayed l times;

Fluosiliconazole

Broad-spectrum, systemic triazole; effective in diseases caused by cysticercus, tamoxifera and hemipterococcus; duration of effect is about 7d; no damage under changing climatic conditions and effective dose for disease control;

Nibuconazole

Triazole, systemic, protection and treatment; powdery mildew, rust, black star, rot, etc.; safe for crops, stimulates growth;

Polymycin

Broad-spectrum antibiotics, systemic transmission; interferes with the cell wall titin and inhibits spore production and spot expansion;

Manganese zinc oxamate

Contact fungicide and systemic transmission; effective in diseases caused by oomycetes and downy mildew; powdery mildew, downy mildew, epidemics;

Manganese zinc fenoxycarb

It is effective for fungal diseases such as epidemic and downy mildew; stop using 7-14 days before harvesting; first make the master batch;

Mildew

Inhibit the cell membrane of the fungus; have excellent effect on downy mildew, epidemic disease and sudden fall disease; suitable for foliar spray and soil treatment; promote crop growth; used for spraying to keep the soil moist;

Mizoram

Protection and treatment; special effect on a variety of diseases caused by ascomycetes and hemipterans; does not have a systemic effect, but has certain conductive properties, has a better effect on rice malady, mango anthracnose, citrus green mold and anthracnose and tilapia, banana anthracnose and crown rot, etc. It can also be used for post-harvest treatment of fruits to prevent and control diseases during storage. In addition, through seed treatment, it has good activity against many seed-borne and soil-borne diseases of cereals and grasses. When used alone, it has good effect on spot disease, mildew rot, leaf blight, leaf spot, stripe disease, leaf spot of caraway, and glume blight, and mixed with chlormequat chloride or carbendazim, it has excellent effect on fishy black spike disease and black powder;

Chlormequat chloride

Soil disinfection and sterilization; can be absorbed by the roots and move in the root system, metabolize in the plant to produce two kinds of glycosides, improve physiological activity; soil-borne diseases caused by Fusarium, Fusarium, etc., such as sudden fall, blight, wilt, botrytis, etc.; wet mixing or smothering seeds are prone to drug damage; the amount of drug should be strictly controlled to prevent inhibition of crop growth;

Tebuconazole

Broad-spectrum triazole; promote growth, improve yield; sorghum, tea; powdery mildew, shank rust, beak spore, nuclear cavity and shell needle spore genus

Oxamyl

High efficacy against downy mildew pathogens with long shelf life; tobacco; also treats secondary diseases such as brown spot, black rot, etc.

Tebuconazole

Broad spectrum with protective, therapeutic and systemic activity; improves crop yield and ensures quality

Pyrimethanil

Anilinopyrimidine; highest activity against gray mold; inhibits the production of dip enzymes; endosynthetic conduction and fumigation, quickly reach the flowers, young fruits and other parts of the plant after application; faster and more stable efficacy; insensitive to temperature; gray mold, as well as fruit trees black star disease, spotted leaf drop disease; open field vegetables should be selected in the morning and evening with little wind, low temperature; temperature higher than 28 degrees should stop application.

Fomesin

Organic sulfur protective fungicide, moderate toxicity; certain permeability, long duration in the soil; low safety for crops, young leaves, young fruit period susceptible to damage; broad-spectrum fungicide, currently mainly used to control white rot and anthracnose of grapes, pear black star disease, black spot, apple early leaf drop, date brown spot, rotten fruit disease, vegetable blight, root rot, leaf spot, gray mold, etc.;

Leaf blight

Protection and treatment; safe for fish; long duration of effect, safe for crops; strong internal absorption and conduction properties; special effects on bacterial diseases of crops; excellent prevention and treatment effects on white leaf blight of rice fields, bacterial streak and citrus ulcer disease; no effect on the effect of rain 4h after spraying.

Jinggangmycin

It has strong endosmosis and is easily absorbed by the cells of the bacterium; it can be used for the prevention and treatment of grain blight from the time of row sealing to the pre-sprouting stage or the early stage of the development of rice; it can be used for the prevention and treatment of rice berry; it can be used for the prevention and treatment of cotton blight; it can be used for the prevention and treatment of wheat blight;

Dilute morpholine

Cinnamic acid derivative, with strong activity against fungi of the family of downy mildew and blastomycetes; causes decomposition of the sporangial wall; acts on all stages of the life history of oomycetes, especially in the sporangial peduncle and oospore formation stage is more sensitive; strong endosmosis, can enter all parts of the plant; when cucumbers, peppers, cruciferous vegetables and other young, the amount of spray solution and the amount of drug with low amounts.

Mildew

There are protection, treatment and stimulation of growth; inhibition of cell membranes; algae; ideal for vegetables downy mildew, epidemic disease, sudden fall, tomato late blight, eggplant or tomato sheep blight, cruciferous white rust; safe interval on cucumber is 3 days.

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Powered by www.300.cn    Business license   SEO

This website supports IPV6