CN101856029B - Pesticide combination containing etoxazole and abamectin - Google Patents

Pesticide combination containing etoxazole and abamectin Download PDF

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Publication number
CN101856029B
CN101856029B CN 201010218740 CN201010218740A CN101856029B CN 101856029 B CN101856029 B CN 101856029B CN 201010218740 CN201010218740 CN 201010218740 CN 201010218740 A CN201010218740 A CN 201010218740A CN 101856029 B CN101856029 B CN 101856029B
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Prior art keywords
mite
avermectin
azoles
abamectin
mite azoles
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CN 201010218740
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Chinese (zh)
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CN101856029A (en
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吴明龙
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浙江威尔达化工有限公司
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Publication of CN101856029A publication Critical patent/CN101856029A/en
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Abstract

The invention relates to a synergism pesticide combination, in particular to a pesticide combination containing etoxazole and abamectin which are used for effective quantity synergism. In the pesticide combination, the weight ratio of the etoxazole and the abamectin is preferably 50:1-1:1, is more preferably 11:0.4-11:1.2, is further preferably 11:0.6-11:1.2 and is most preferably 11:0.8.

Description

The composition pesticide that contains second mite azoles and Avermectin

Technical field

The present invention relates to a kind of synergetic pesticide composition, particularly relate to a kind of synergetic pesticide composition of second mite azoles and Avermectin and purposes that this synergetic pesticide composition is used for control mandarin tree two spotted spider mite of comprising.

Background technology

Mandarin tree two spotted spider mite Occurrence before the mid-50 is generally not serious.After chemical pesticide was widely used in the mandarin orange pest control, its Occurrence degree was day by day serious, and became one of main insect of serious threat citrus production, and the expense that is used for control also increases year by year.If the adult mite of mandarin tree two spotted spider mite and young mite all can endanger, puncture blade, green branch and fruit surface with mouthpart, make that full leaf is greyish white, the base of a fruit is injured and cause shedding, particularly annual when March, SPRING WHEAT BEFORE AND AFTER FLOWERING seriously occured, cause spring tip tender leaf to come off, increased the weight of fallen flowers, shedding.The harm of mandarin tree two spotted spider mite has a strong impact on output then.For a long time, the control of mandarin tree two spotted spider mite mainly depends on the chemical pesticides such as Hexythiazox, Avermectin, fenpropathrin, pyridaben, propargite.Because two spotted spider mite is the type that produces easily resistance in the citrus pest, so it has all produced resistance to most miticide in the market.Add that these agricultural chemicals are longer service life, dosage increases year by year, thereby causes the occurrence frequency of mandarin tree two spotted spider mite and severity to show ascendant trend.Along with the fast development of economy and the raising of living standards of the people, people are more and more higher to the requirement of oranges and tangerines Quality and yield.The production of green fruit is in the urgent need to when reducing the production loss that is caused by damage by disease and insect as far as possible, reduces the consumption of chemical pesticide and residual, keeps the natural quality of oranges and tangerines, therefore, develops new control medicament and seems very important and urgent.

Avermectin (abamectin) is to prevent and treat in the market preferably Pesticidal products of citrus red mite effect.It has the mite class tags and stomach poison function and faint fumigation action is arranged, and blade is had very strong osmosis, can kill subepidermal insect, and the longevity of residure is long.What its mechanism of action was different from general insecticide is that it disturbs neurophysiology movable, stimulate to discharge the r-aminobutyric acid, and the r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, if the mite class paralysis symptom namely occurs after becoming mite contact medicament, inertia does not take food, and is dead after 2-4 days.

Second mite azoles (etoxazole), chemical name is (RS)-2-(2, the 6-difluorophenyl)-4-(2-ethyoxyl-4-tert-butyl-phenyl)-4,5-dihydro-1, the 3-oxazoline, SUMITOMO CHEMICAL chemistry pillar commercial firm in 20th century the mid-80 exploitation and commercial 2 in 1998,4-diphenyl-1,3-oxazoline class insecticidal/acaricidal agent.Second mite azoles has remarkable preventive effect to mite classes such as the tetranychids of the crops such as oranges and tangerines, beginning tetranychid, Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus.Its mode of action is that the embryo who suppresses the mite ovum forms and the process of casting off a skin from young mite to the one-tenth mite, and is effective to ovum and young mite, to becoming mite invalid.Therefore the control time of its best is the evil mite harm initial stage.Environmentally safe, to useful insect and beneficial mite without harm or endanger minimum.

Have now found that, second mite azoles is remarkable to mite ovum and young mite preventive effect, if Avermectin to mite with to become the mite preventive effect remarkable, the combination of the two will all have good control efficiency to the whole developmental process of mandarin tree two spotted spider mite, and the stack that exceeds each composition activity of its effect that shows or activity level, have unforeseeable synergistic function.

Summary of the invention

The object of the present invention is to provide a kind of mixed ratio reasonable, control efficiency is good, the synergetic pesticide composition that drug cost is low.

Another object of the present invention is to provide the purposes that this synergetic pesticide composition is used for control mandarin tree two spotted spider mite.

Technical scheme of the present invention is as described below:

A kind of composition pesticide is characterized in that containing second mite azoles and the Avermectin of synergy effective dose.

Wherein, in this composition pesticide the weight ratio of second mite azoles and Avermectin be preferably 50: 1~1: 1, more preferably 11: 0.4~11: 1.2, more preferably 11: 0.6~11: 1.2, most preferably be 11: 0.8.

Composition pesticide of the present invention can be mixed with according to the conventional production process of this area the preparations such as emulsifiable concentrates for agricultural chemicals, suspending agent, wetting powder, water dispersible granules and aqueous emulsion, soluble liquid.Its administration form depends on specific application; In all cases, must guarantee that their dispersion is trickle as much as possible and even.

These preparations can prepare in a known manner, for example by reactive compound is mixed with liquid flux and/or solid carrier, if necessary, surfactant such as emulsifier, dispersant, wetting agent can be added simultaneously, thickener, defoamer, antifreeze, oxidant, dyestuff etc. can also be added.If use water as thinner, also available other organic solvent is made cosolvent.

The organic solvent that is fit to comprises aromatic compound (such as dimethylbenzene), chlorinated aromatic hydrocarbons compound (such as chlorobenzene), paraffin (such as petroleum distillate), alcohols (such as methyl alcohol, ethanol), ketone (such as cyclohexanone), amine (such as monoethanolamine, dimethyl formamide) etc.

The synthetic mineral matter (such as high molecular silicic acid, silicate etc.) that solid carrier commonly used has natural mineral matter (such as kaolin, talcum, bentonite, attapulgite) and grinds.

Surfactant can be emulsifier, dispersant or wetting agent; Can be nonionic or ionic.For example, lauryl sodium sulfate, Teepol, neopelex, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine or directly use the commercial emulsifier: agricultural newborn 0201B, 0203,0203B, 600# etc.Material as dispersant and wetting agent has: sodium lignin sulfonate, pull open powder, calcium lignosulfonate and sldium lauryl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfonate, neopelex etc.

Thickener; can be for example carbonyl methylol, polyvinyl alcohol or the polyvinyl acetate that synthesizes; or natural water-soluble polymer; such as xanthans, gelatin, gum Arabic, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc. adds in the preparation with powder, particle or latex form.

Defoamer is: bubble enemy, silicone, C 8-10Fatty alcohol, phosphoric acid ester, C 10-20Saturated fat acids (such as capric acid) and acid amides etc.

Oxidant is: potassium chlorate, sodium chlorate, potassium perchlorate, sodium nitrate, potassium nitrate, potassium permanganate etc.

Antifreeze is urea, calcium chloride etc.

Usually composition contains by weight 0.01 to 90% active component, and usually according to the difference of preparation type, preferably contains by weight 1 to 30% active component.

The application dosage of the present composition, the difference according to factors such as Different Crop, time of application, weather conditions is generally 5~30 mg/kg, and preferred 10~30 mg/kg generally adopt foliar spray.

The present composition shows fabulous synergistic effect in certain ratio range, mixed composition has obviously improved miticidal effect than its single dose, thereby has reduced application dosage, has reduced the impact on environment when reducing drug cost.

Embodiment:

The invention will be further described below in conjunction with embodiment, but it only is illustration, and by no means scope of the present invention is construed as limiting.In each embodiment, except as otherwise noted, the percentage composition of each component or percentage all refer to weight percentage or weight proportion.

1. example of formulations

Example of formulations 1 11.8% second mite azoles Avermectin soluble liquid

Second mite azoles 11%,

Avermectin 0.8%,

Farming breast 0,203 10%,

DMF????????30%,

Dimethylbenzene supplies 100%.

Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use in case of necessity the hot bath heating for dissolving, namely get soluble liquid.

Example of formulations 2 10.5% second mite azoles abamectin emulsifiable concentrates

Second mite azoles 10%,

Avermectin 0.5%,

The newborn 0203B 10% of farming,

DMF???????????20%,

Fatty acid methyl ester supplies 100%

Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use in case of necessity the hot bath heating for dissolving, namely get transparence missible oil.

Example of formulations 3 11.8% second mite azoles Avermectin wetting powders

Second mite azoles 11%

Avermectin 0.8%

Lauryl sodium sulfate 1.5%

Carboxymethyl cellulose 1%

Sodium lignin sulfonate 10%

Precipitated calcium carbonate supplies 100%

By above-mentioned prescription requirement, former medicine, various auxiliary agent and filler etc. are fully mixed, behind ultra-fine pulverizer disintegrating, namely obtain converted products.

Example of formulations 4 12% second mite azoles Avermectin suspending agents

Second mite azoles 11%

Avermectin 1%

The newborn 600# 3% of farming

OP-10 phosphate ester salt 4%

Polyvinyl alcohol 0.9%

Ethylene glycol 5%

Preservative 0.2%

Water supplies 100%

By above-mentioned prescription requirement, with former medicine, emulsifier and antifreeze, preservative, water, etc. mix, after high-speed stirred, sand milling 2 times forms the aqueous suspension agent of favorable dispersibility.

Example of formulations 5 12% second mite azoles Avermectin water dispersible granules

Second mite azoles 11%

Avermectin 1%

Dispersant 4%

Poly-fumaric acid acrylic acid sodium sulfonate 6.9%

Speed collapses 5%

Suspending agent 2.2%

Filler supplies 100%

2. biological Examples: the abamectin compounded Toxicity Determination test to citrus red mite of second mite azoles

2.1 experimental condition

2.1.1 try altogether the worm source

Citrus red mite [Panonychus cirri (McGregor)], to gather the worm source from Agricultural University Of Hunan's proving ground citrus orchard, come captive breeding in the greenhouse with leguminous plants such as Kidney bean, kidney beans, when bean seedlings have 3-4 sheet true leaf usually the blade of existing a large amount of two spotted spider mite on the host plant is sheared off on the plant that is placed on fresh stalwartness, two spotted spider mite can migrate on the bean seedlings voluntarily, just there is second generation two spotted spider mite to occur behind the inoculation 15-20d, in 3 generations of indoor feeding, then select the consistent female worm mite of Individual Size to be for experiment.

2.1.2 condition of culture

Greenhouse temperature is 20-28 ℃, humidity 50-70%, and illumination is sufficient, and the content of organic matter is higher.

2.1.3 instrument and equipment

Writing brush, double faced adhesive tape, beaker, tweezers, slide, binocular anatomical lens, glass rod etc.

2.2 experimental scheme

2.2.1 test medicine

The former medicine of (1) 93% second mite azoles, SUMITOMO CHEMICAL KCC product, Weierda Chemical Co., Ltd., Zhejiang provides;

The former medicine of (2) 95% Avermectin, Weierda Chemical Co., Ltd., Zhejiang provides.

2.2.2 dosage is processed

Respectively the different proportionings with two former medicines of each an amount of former medicine are dissolved with a small amount of acetone first, the aqueous solution with 0.1% Tween 80 dilutes again.Second mite azoles is diluted to 10,5,2.5,1.25,0.625 μ g/mL; Avermectin is diluted to 2,1,0.5,0.25,0.125 μ g/mL; (ratio of active ingredient was respectively 0.4: 11 5 Avermectin with the different proportionings of second mite azoles; 0.6: 11; 0.8: 11; 1.0: 11; 1.2: it is stand-by 11) all to be diluted to respectively 4,2,1,0.5,0.25 μ g/mL series concentration.

2.3 test method

Adopt the slide infusion process.Every processing repeats four times, 40 female one-tenth mites of every repetition, and every processing is totally 160 female one-tenth mites.

2.4 result of the test

Table 1 second mite azoles and Avermectin are mixed to the toxicity test result of citrus red mite

Medicament Virulence regression equation ??r ??LC 50 Co-toxicity coefficient

(weight ratio) ??Y=a+bx ??(μg/mL) 93% second mite azoles ??Y=4.1807+1.5982x ??0.99 ??3.26 ??- 95% Avermectin ??Y=5.3763+1.6139x ??0.98 ??0.58 ??- Second mite azoles: Avermectin (11: 0.4) ??Y=4.5223+1.3445x ??0.96 ??2.27 ??123.81 Second mite azoles: Avermectin (11: 0.6) ??Y=4.5413+1.4559x ??0.98 ??2.06 ??127.48 Second mite azoles: Avermectin (11: 0.8) ??Y=4.7688+1.4612x ??0.99 ??1.44 ??172.67 Second mite azoles: Avermectin (11: 1.0) ??Y=4.6943+1.4875x ??0.98 ??1.61 ??146.88 Second mite azoles: Avermectin (11: 1.2) ??Y=4.7123+1.4953x ??0.99 ??1.56 ??144.22

2.5 interpretation of result and discussion

Toxicity Determination result shows, 5 different proportions of second mite azoles and Avermectin are mixed co-toxicity coefficient to citrus red mite all greater than 120, illustrate that two composite reagents are used for the control citrus red mite and have unforeseeable synergistic effect, and the two active ingredient is the most obvious to the synergistic effect of citrus red mite at 11: 0.8 o'clock.

Claims (3)

1. composition pesticide it is characterized in that containing second mite azoles and the Avermectin of synergy effective dose, and the weight ratio of second mite azoles and Avermectin is 11: 0.8.
2. formulated missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion or the soluble liquid of composition pesticide according to claim 1.
3. the purposes that composition pesticide claimed in claim 1 is used for the control citrus red mite.
CN 201010218740 2010-07-07 2010-07-07 Pesticide combination containing etoxazole and abamectin CN101856029B (en)

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EP2353388A1 (en) * 2010-01-28 2011-08-10 Syngenta Participations AG Insecticidal composition
CN103271077B (en) * 2010-12-01 2016-03-23 联保作物科技有限公司 A kind of Compositional type farmland, fruit tree miticide
JP2013095740A (en) 2011-11-04 2013-05-20 Sumitomo Chemical Co Ltd Aqueous suspension agrochemical composition and aqueous suspension agrochemical formulation
CN103636621A (en) * 2013-11-29 2014-03-19 北京燕化永乐生物科技股份有限公司 Pesticide composition containing etoxazole and azadirachtin
CN104255751A (en) * 2014-09-15 2015-01-07 广东中迅农科股份有限公司 Mite-killing composition containing etoxazole and vermectin
CN104351228A (en) * 2014-12-08 2015-02-18 佛山市盈辉作物科学有限公司 Diafenthiuron and etoxazole mixed suspending agent
CN106259393A (en) * 2015-05-19 2017-01-04 成都宝科生物科技有限公司 A kind of method preventing and treating citrus red mite
CN106259392A (en) * 2015-05-19 2017-01-04 成都宝科生物科技有限公司 A kind of containing etoxazole with the composition pesticide of Cascade
CN105123714A (en) * 2015-09-25 2015-12-09 安徽美兰农业发展股份有限公司 Abamectin and etoxazole compound suspending agent and preparation method thereof
CN106879611A (en) * 2017-02-16 2017-06-23 佛山市瑞生通科技有限公司 A kind of Pesticidal combination containing AVM and second azoles mite nitrile

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CN102283216A (en) * 2010-06-19 2011-12-21 海利尔药业集团股份有限公司 Acaricidal composition containing abamectin and etoxazole

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IL165021D0 (en) * 2004-11-04 2005-12-18 Makhteshim Chem Works Ltd Pesticidal composition

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CN102283216A (en) * 2010-06-19 2011-12-21 海利尔药业集团股份有限公司 Acaricidal composition containing abamectin and etoxazole

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Effective date of registration: 20121212

Address after: 311106 Yuhang District, Zhejiang, Hangzhou

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Address before: 311106 Yuhang District, Zhejiang, Hangzhou

Applicant before: Wu Minglong

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