CN103355343A - Agricultural compositions containing sulfur - Google Patents

Abstract

The invention belongs to the field of plant protection, and particularly relates to an agricultural composition containing sulfur and application thereof. The agricultural composition containing sulfur also contains one or two other pesticide components, and the mass part ratio of the sulfur to the pesticide components is 0.1-200: 1. The agricultural composition containing the sulfur can be compounded with other various bactericidal components or insecticidal and acaricidal components, improves the bactericidal or insecticidal and acaricidal effects, can be processed into granules, suspending agents and the like, can be used for preventing and treating diseases and insect pests of various crops, and is particularly used for preventing and treating powdery mildew, nematodes, red spiders or rust ticks of the crops.

Description

Agricultural compositions containing sulfur

technical field

The invention belongs to the field of plant protection, in particular to an agricultural composition containing sulfur and its application.

Background technique

In agricultural production, the resistance of crop diseases and insect pests to pesticide products is gradually increasing. Moreover, the diseases and insect pests of the same crop often occur at the same time. When farmers control insect pests or diseases alone, they often lose sight of one another, not only delaying work but also missing the opportunity of prevention and control, thus increasing the dosage of pesticides. wait. Due to the single and unscientific use of medicines, the cost of farmers has increased, environmental pollution and ecological environment have been destroyed. Compounding with different structures, different mechanisms of action, and environment-friendly active ingredients, and rationally adding additives to make new agricultural compositions is the best way to reduce and delay resistant pests, expand control targets, improve drug efficacy, and reduce environmental pollution. Effective Ways.

Sulfur is an important species of inorganic pesticides. The product is yellow solid or powder, with obvious odor and can be volatilized. Sulfur aqueous suspension is slightly acidic and insoluble in water. Sulfur is a multifunctional medicament, in addition to its bactericidal effect, it can also kill mites, insects, and has fertilizer effect. It is safe for humans and animals, and it is not easy to cause phytotoxicity to crops.

The inventor has carried out a lot of efficacy tests of sulfur and other pesticide components, and found many unexpected effects. The invention improves the drug efficacy and expands the prevention and control targets, which is beneficial to reducing the frequency of drug use, reducing agricultural costs and improving the economic benefits of agricultural products.

Contents of the invention

The object of the present invention is to provide an agricultural composition containing sulfur, which can improve drug efficacy, expand control targets and have fertilizer effect.

The present invention provides an agricultural composition containing sulfur, the agricultural composition also contains another one or two kinds of pesticide ingredients, the mass ratio of sulfur and pesticide ingredients is 0.1-200:1, preferably, the mass fraction The ratio is 1-100:1.

The present invention provides an agricultural composition containing sulfur, the agricultural composition also contains another one or two kinds of pesticide ingredients, the mass ratio of sulfur and pesticide ingredients is 0.1-200:1, preferably, the mass fraction The ratio is 1-100:1. In the above composition, the pesticide components are methoxy acrylate components orysastrobin, pyraclostrobin, trifloxystrobin, picoxystrobin, enoxastrobin, dioxystrobin, phenoxystrobin, One of syringstrobin, pyraclostrobin, and cyclostrobin, or triazole fungicidal ingredients tebuconazole, propiconazole, difenoconazole, myclobutanil, flusilazole, triadimefon, bran One of cloconazole, hexaconazole, metconazole, triaconazole, econazole, tetrafluconazole, and fenconazole, or the sulfur-containing bactericidal ingredients zinc, ethyl allicin, propineb, Disenlian, chlorothalonil, carbendazim, thiophanate-methyl, thiram, arsenic thiram, captan, folpet, disulfone sodium, disulfone sodium, disenium ammonium, or pyrimidine One of the fungicidal ingredients cyprodinil, fluoxanil, and azoxystrobin, or one of the biological source fungicidal ingredients polyoxin, Jinggangmycin, kasugamycin, and Zhongshengmycin, or One of the organophosphorus fungicidal ingredients Isoframid and Difenfos, or one of the amide fungicidal ingredients dimethomorph, benzamid, high-efficiency metalaxyl, high-efficiency benalaxyl, and fluoxamid One, or one of the imidazole-type fungicidal ingredients prochloraz, cyazofamid, midazifadone, and blastic-methyl, or one of the oxazole-type fungicidal ingredients oxafefenone and oxaxyl, or a macrocyclic Lactone abamectin, emamectin benzoate (hereinafter referred to as emamectin benzoate), ivermectin, one of spinosad, or organophosphorus insecticidal ingredients thiazophosphine, chlorine One of azophos, chlorpyrifos, phoxim, and profenofos, or the neonicotinoid insecticides nitenpyram, thiamethoxam, imidacloprid, acetamiprid, thiacloprid, dinotefuran, and clothianidin One of the amines, or one of the amide insecticidal ingredients cyantraniliprole, fluamide, tolfenpyrad, flonicamid, and chlorantraniliprole, or the pyrethroid insecticidal ingredient bifenthrin , Ethoproxil, lambda-cyhalothrin, lambda-cypermethrin, cypermethrin, and tefluthrin, or one of the carbamate insecticides isoprocarb, thiodicarb, or benzoyl One of the urea insecticides hexaflumuron, fluflubenuron, hexflubenuron, lufenuron, flufenuron, diflubenzuron, diflubenzuron and furbenuron, or selected nereistoxins One of insect mono, dimehypo, cartap, or other components of spirodiclofen, bifenazate, spirotetramat, pyridaben, chlorfenapyr, indoxacarb, pymetrozine A sort of. Preferably, the above-mentioned pesticide ingredients are oryzastrobin, pyraclostrobin, tebuconazole, zinc zinc, acetocilin, cyprodinil, polyoxamycin, abamectin, emamectin benzoate, thiazole One of phosphine, chlorazophos, spirodiclofen, bifenazate, spirotetramat, and pyridaben.

The above-mentioned agricultural composition of the present invention is processed and formulated into suspensions, granules, wettable powders, water-dispersible granules, microemulsions or aqueous emulsions, preferably, into suspensions or granules.

The present invention also provides the use of the above-mentioned agricultural composition for preventing and controlling crop diseases and insect pests, and the said diseases and insect pests are powdery mildew, nematode, rust, downy mildew, blight, sheath blight, leaf spot, canker, red spider, rust wall Lice, whitefly, rice planthopper, diamondback moth, flea beetle, tea leafhopper, thrips, beet armyworm, rice leaf roller, aphids, scale insects, rice gall midge. Preferably, the pests and diseases are powdery mildew, nematodes, spider mites, and rust ticks.

Composition of the present invention compares with prior art, produces following beneficial effect:

(1) The effect of the agricultural composition of the present invention on crop diseases or pests is significantly improved, which is beneficial to reduce the dosage or frequency of medication;

(2) The pesticide composition expands the application target and effect, and one application can control insect pests and diseases at the same time, and improve crop growth;

(3) Due to the different action mechanisms of the active ingredients in the pesticide composition, according to the theory and practice of pest resistance, its application can delay the development of resistance of pests to pesticides and prolong the service life of a single agent.

Detailed ways

The following descriptions are only used to explain the present invention, and all modifications, replacements or improvements that do not deviate from the spirit and principles of the present invention fall within the scope of protection of the present invention.

Embodiment 150% sulfur abamectin granules

Mix 49.5g of sulfur, 0.5g of avermectin, 5g of naphthalenesulfonate formaldehyde condensate, 5g of sodium alkylbenzenesulfonate, 10g of fine sand, and 30g of bentonite. The mixture is ultrafinely pulverized, granulated, dried, and sieved points, both made of 50% sulfur Abamectin granules.

Embodiment 240% sulfur tebuconazole suspending agent

Fully mix 30g of sulfur, 10g of tebuconazole, 3g of sodium lignosulfonate, 5g of tea dry powder, 5g of bentonite, 2g of magnesium aluminum silicate, and 5g of ethylene glycol, add 15g of water to fully grind, make up to 100g of water, and prepare 40 % Sulfur Tebuconazole Suspending Concentrate.

Example 3 The effect of the agricultural composition containing sulfur on wheat powdery mildew

A single compound or composition is prepared as a 1000mg/L suspension concentrate mother solution. According to the preliminary test, a certain amount of the above mother liquor was diluted with 0.1% Tween 80 to prepare the required concentration. During the measurement, first spray the medicinal liquid on the potted wheat plants, then inoculate the wheat powdery mildew pathogen, keep moist and cultivate for 24 hours, then place them in the greenhouse for cultivation, and measure the percentage of plant leaf surface infection after a certain period of time. Convert percentages to efficacy using Abbot's formula. The results are shown in Table 1.

Table 1 Contains the effect of sulfur-containing agricultural compositions on fungicidal ingredients

See Table 1 for the effects of sulfur-containing agricultural compositions on wheat powdery mildew. It can be seen that at a specific dosage, the combination of sulfur and orysastrobin, the combination of sulfur and pyraclostrobin, the combination of sulfur and tebuconazole, the combination of sulfur and zinc zinc, the combination of sulfur and acetocilin, the combination of sulfur and The effect of the combination of cyprodinil, sulfur and polyoxin on wheat powdery mildew is higher than that of its single component on wheat powdery mildew, and the leaf color is greener, and the wheat grows well, which is beneficial to reduce the dosage of pesticides and increase production and income .

Example 4 The effect of the agricultural composition containing sulfur in controlling nematodes

Taking macrolide components abamectin, emamectin benzoate, and organophosphorus pesticide components thiazophos and chlorazophos as examples, the effects of sulfur-containing agricultural compositions on nematode control were illustrated. Use sterilized soil and sterilized river sand to mix into culture soil, mix the composition or a single dose of granules, mix well, add water to make the water content 40%, put it into a pot, and transplant the 20d growing cotton plants to In the pots, 10 days after transplanting, 500 2nd instar larvae of Meloidogyne incognita were inserted into each pot, placed in the greenhouse, and managed with quantitative watering. Three repetitions were set for each treatment, and blank control and different single agent and binary mixture treatments were set according to the preliminary experiment. After 30 days, when there are a large number of root knots in the rhizosphere of the blank control plants, the average number of root knots per plant is investigated and recorded, and graded according to Liu Weizhi (1995): level 0, no root knots; level 1, 1-2 root knots; 2 Level 3, 3-10 knots; Level 3, 11-30 knots; Level 4, 31-100 knots; Level 5, more than 100 knots. The results are shown in Table 2.

The effect of table 2 sulfur-containing agricultural compositions on nematodes

See Table 2 for the effects of sulfur-containing agricultural compositions on controlling nematodes. It can be seen that under certain medication conditions, the combination of sulfur and abamectin, the combination of sulfur and emamectin emamectin, the combination of sulfur and thiazophos, and the combination of sulfur and chlorazophos have a higher effect on the number of root knots of cotton than that of a single component. The cotton root-knot numbers were 2, 3, 2, 2, respectively, and the disease grades were 1, 2, 1, 1. It can be seen that the control effect of any composition containing sulfur on root-knot nematodes is significantly better than that of a single agent combination. Unexpectedly, compared with single ingredients, any binary combination has the effect of promoting green leaves and strong seedlings of cotton plants. It can be seen that the agricultural composition containing sulfur can improve the effect of preventing and controlling nematodes, and has the effect of promoting green leaves and strong seedlings.

Example 5 The effect of the agricultural composition containing sulfur on apple diseases and insect pests

Taking the acaricidal ingredients spirodiclofen and bifenazate as examples, the effect of the sulfur agricultural composition on apple diseases and insect pests is illustrated. At the later stage of apple flowering in the test site, the apples were listed and marked, and the occurrence of spider mites and powdery mildew on the listed branches were investigated before spraying. Accurately prepare suspension concentrates of different medicinal ingredients, pre-dilution according to the dosage of the medicinal agents, spray evenly with a hand-held sprayer, spray one plant for each treatment, and set corresponding medicinal controls and blank controls. 10 days after the treatment, investigate the occurrence of spider mites in each listed treatment, and then spray once, and investigate the occurrence of powdery mildew in the listed treatment 7 days after the second treatment, and observe the growth situation. See Table 3 for statistical results.

Table 3 contains the effect of the agricultural composition of sulfur on apple diseases and insect pests

See Table 3 for the effects of sulfur-containing agricultural compositions on apple diseases and insect pests. It can be seen that at a specific dosage, the combination of sulfur and spirodiclofen, and the combination of sulfur and bifenazate have higher control effects on apple spider mite and apple powdery mildew than each single agent, and the compositions have higher effects on apple leaves. The color is greener.

Example 6 The effect of the agricultural composition containing sulfur on citrus diseases and insect pests

Mark the citrus in the test site at the later stage of flowering, and investigate the occurrence of powdery mildew and rust ticks on the branches before spraying. Accurately prepare suspension concentrates of different medicinal ingredients, pre-dilution according to the dosage of the medicinal agents, spray evenly with a hand-held sprayer, spray one plant for each treatment, and set corresponding medicinal controls and blank controls. 10 days after spraying, investigate the occurrence of rust ticks in each listed treatment, and then spray again. 7 days after the second spraying, investigate the occurrence of powdery mildew in listed treatments, and observe the growth situation. See Table 4 for statistical results.

Table 4 contains the effect of sulfur-containing agricultural compositions on citrus diseases and insect pests

See Table 4 for the effects of sulfur-containing agricultural compositions on citrus diseases and insect pests. It can be seen that at a specific dosage, the combination of sulfur and spirotetramat, and the combination of sulfur and pyridaben have higher effects on citrus rust ticks than their single components, and the leaves are greener and the plants grow better. It is beneficial to reduce the dosage of medicine and increase production and income.

Claims (7)

1. agriculturally useful compositions that contains sulphur is characterized in that also containing in this agriculturally useful compositions another or two kinds of farm chemical ingredients, and the ratio of quality and the number of copies of sulphur and farm chemical ingredients is 0.1-200:1.

2. according to claim 1 agriculturally useful compositions, sulphur and farm chemical ingredients ratio of quality and the number of copies are 1-100:1.

3. agriculturally useful compositions that contains sulphur also contains another or two kinds of farm chemical ingredients in this agriculturally useful compositions, the ratio of quality and the number of copies of sulphur and farm chemical ingredients is 0.1-200:1, and preferred, ratio of quality and the number of copies is 1-100:1.In the above-mentioned composition, farm chemical ingredients is methoxy acrylic composition orysastrobin, pyraclostrobin, oxime bacterium ester, ZEN 90160, alkene oxime amine, ZJ0712, SSF 126, SYP-3375, azoles bacterium ester, a kind of in the 2-cyano-3-amino-3-phenylancryic acetate, or triazole type sterilization component Tebuconazole, propiconazole, Difenoconazole, nitrile bacterium azoles, Flusilazole, triazolone, bromuconazole, own azoles alcohol, metconazole, Triadimenol, epoxiconazole, tetraconazole, a kind of in the triticonazole, or sulfur-bearing class sterilization component zineb, S-Ethyl ethylthio sulfonate, Propineb, Carbatene, tpn, carbendazim, thiophanate-methyl, tmtd, asomate, captan, folpet, sulfonat, fenaminosulf, a kind of in the ambam, or miazines sterilization component cyprodinil, the fluorine mepanipyrim, a kind of in the mepanipyrim, or biogenic substances sterilization component polyoxin, jinggangmeisu, kasugarnycin, a kind of in the Zhongshengmycin, or organic phosphates sterilization component iprobenfos, a kind of in the edifenphos, or amide-type sterilization component dimethomorph, zoxamide, efficient metalaxyl, efficient M 9834, a kind of in the fluopicolide, or imidazoles sterilization component Prochloraz, cyazofamid, Fenamidone, a kind of in the pefurazoate, or oxazole class sterilization Cheng Fen famoxadone, a kind of in the Wakil, or macrolides Avermectin, emamectin-benzoate, ivermectin, a kind of in the pleocidin, or organic phosphates insecticidal constituent fosthiazate, isazofos, chlopyrifos, a kind of in phoxim and the Profenofos, or anabasine insecticidal constituent Nitenpyram, Diacloden, Imidacloprid, Acetamiprid, thiacloprid, a kind of in MTI-446 and the clothianidin, or amide-type insecticidal constituent cyanogen insect amide, flutolanil, Tolfenpyrad, a kind of in flonicamid and the Rynaxypyr, or pyrethroid insecticidal constituent Biphenthrin, ether chrysanthemum ester, gamma cyhalothrin, beta-cypermethrin, a kind of in cypermethrin and the tefluthrin, or carbamate insecticide Mobucin, a kind of in the thiodicarb, or process for preparation of benzoylurea compounds HEXAFLUMURON, flufenoxuron, fluorine pyridine urea, lufenuron, the fluorine uride, young urea goes out, a kind of in diflubenzuron and the Teflubenzuron, or the nereistoxin constituents is selected from the desinsection list, dimehypo, a kind of in the cartap, or other constituents spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, pyridaben, chlorfenapyr, indoxacarb, a kind of in the pymetrozine.

4. according to claim 3 agriculturally useful compositions, farm chemical ingredients are a kind of in orysastrobin, pyraclostrobin, Tebuconazole, zineb, S-Ethyl ethylthio sulfonate, cyprodinil, polyoxin, Avermectin, emamectin-benzoate, fosthiazate, isazofos, spiral shell mite ester, Bifenazate, spiral shell worm ethyl ester, the pyridaben.

5. according to claim 3 or 4 agriculturally useful compositions, agriculturally useful compositions processing is mixed with suspending agent, granule, wetting powder, water dispersible granules, microemulsion or aqueous emulsion.Preferably, be mixed with suspending agent or granule.

6. according to claim 5 agriculturally useful compositions is used for the purposes of controlling crop diseases and insect pests, and described damage by disease and insect is nematode, powdery mildew, rust, downy mildew, epidemic disease, banded sclerotial blight, spot defoliation, canker, two spotted spider mite, blister mite, trialeurodes vaporariorum, rice fulgorid, diamond-back moth, flea beetle, tea lesser leafhopper, thrips, beet armyworm, rice leaf roller, aphid, scale insect or rice gall midge.

7. according to claim 6 agriculturally useful compositions is used for the purposes of controlling crop diseases and insect pests, and described damage by disease and insect is powdery mildew, nematode, two spotted spider mite, blister mite.