WO2015070567A1 - 一种含丙硫菌唑和咪鲜胺锰盐的杀菌组合物及其应用 - Google Patents

一种含丙硫菌唑和咪鲜胺锰盐的杀菌组合物及其应用 Download PDF

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WO2015070567A1
WO2015070567A1 PCT/CN2014/076329 CN2014076329W WO2015070567A1 WO 2015070567 A1 WO2015070567 A1 WO 2015070567A1 CN 2014076329 W CN2014076329 W CN 2014076329W WO 2015070567 A1 WO2015070567 A1 WO 2015070567A1
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prothioconazole
manganese salt
prochloraz manganese
prochloraz
composition containing
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PCT/CN2014/076329
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English (en)
French (fr)
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汤飞荣
高瑞花
甘华军
芮裕健
郭崇友
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南京华洲药业有限公司
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof

Definitions

  • the present invention relates to a bactericidal composition and its use, and more particularly to a bactericidal composition comprising prothioconazole and prochloraz manganese as main active ingredients and uses thereof.
  • Prothioconazole a new broad-spectrum triazole thione bactericide developed by Bayer, chemical name: 2-(2-(1-chlorocyclopropyl)-3-(2-chlorophenyl) )-2-hydroxypropyl-1-2-dihydro-3-1,2,4-triazole-3-thio, molecular formula: C 14 H 15 C1 2 N 3 0S.
  • the structural formula is as follows:
  • prothioconazole The mechanism of action of prothioconazole is to inhibit the demethylation of the precursors of sterols in the fungus, lanosterol or 24-methylene dihydrogen, which are demethylating inhibitors (DMIs). . It not only has good systemic activity, excellent protection, treatment and eradication activity, but also has a long-lasting effect. Through a large number of field efficacy tests, the results show that prothioconazole not only has good safety to crops, but also has good anti-disease and curative effect, and has obvious yield increase. Compared with triazole-based fungicides, prothioconazole has more A broad spectrum of bactericidal activity.
  • Imidazole fungicides act by inhibiting the biosynthesis of alcohols and have a systemic action in plants. They are excellent for a variety of diseases caused by ascomycetes and deuteromycetes. Melting point 141-142.5 °C, solubility in water It is 40mg/L, 7g/L in acetone, and the vapor pressure is 0.02Pa (20°C). In the aqueous solution or suspension, the complex is quickly separated, and its resolution is 4 hours at 25 °C. Nida is 55%.
  • the object of the present invention is to provide a bactericidal composition containing thiothiazol and prochloraz, which has a wide range of application, low cost and good effect, in view of the above technical problems.
  • Still another object of the present invention is to provide the use of the bactericidal composition for controlling fungal diseases caused by plant fungi, especially for controlling powdery mildew, sheath blight, blight, leaf spot, rust, sclerotinia, net blotch , moiré, gray mold, black spot, brown spot, black shank, cucumber, citrus, sweet pepper, anthracnose, citrus rot, green mold, blue mold and mushroom brown rot application.
  • the object of the invention is achieved by the following measures:
  • a bactericidal composition comprising prothioconazole and prochloraz manganese salt, wherein the weight ratio of prothioconazole to prochloraz manganese salt is 1-70: 1-50, preferably 1-35: 1-25 Further preferably, it is 1-10: 1-20, and most preferably 1:2-6.
  • both the prothioconazole and the prochloraz manganese salt comprise from 2 to 80% by weight, preferably from 10 to 40% by weight of the composition.
  • the bactericidal composition wherein prothioconazole and prochloraz manganese salt are compounded with known auxiliaries and excipients into a pesticide-acceptable dosage form. These known auxiliaries include dispersing agents, diffusing agents, defoaming agents, wetting agents, disintegrating agents, etc., and calcium dodecyl benzene sulfonate, nonyl phenol ethoxylate, benzyl phenol polyoxygen can be used.
  • the above auxiliaries, excipients and other excipients may be used singly or in combination.
  • the bactericidal composition is in the form of an emulsifiable concentrate, a wettable powder, a suspending agent, a water emulsion, a microemulsion or a moisture granule.
  • the bactericidal composition containing prothioconazole and prochloraz manganese salt is prepared for controlling powdery mildew, sheath blight, blight, leaf spot, rust, sclerotinia, net blotch, moiré, Application of gray mold, black spot, brown spot, black shank, cucumber, citrus, sweet pepper, anthracnose, citrus rot, green mold, blue mold and mushroom brown rot.
  • the use of the bactericidal composition of the invention for preparing and controlling resistant fungi, especially for controlling powdery mildew, sheath blight, blight, leaf spot, rust, sclerotinia, net blotch, moiré, gray mold Black spot, brown spot, black shank, cucumber, citrus, sweet pepper, anthracnose, citrus rot, green mold, blue mold and mushroom brown rot have significant effects.
  • the above bactericidal compositions are capable of producing a high synergistic effect, and the activity is greater than the activity of the individual components.
  • the composition is resistant to fungal diseases such as powdery mildew, sheath blight, blight, leaf spot, rust, sclerotinia, net Spot disease, moiré, gray mold, black spot, brown spot, black shank, cucumber, citrus, sweet pepper, anthracnose, citrus rot, green mold, blue mold and mushroom brown rot It has obvious synergistic effects, overcomes and delays drug resistance, expands the spectrum of prevention and treatment, and significantly improves the control effect; (2) reduces the cost of prevention and treatment, and the cost of medication; (3) can replace conventional and susceptible pesticides;
  • the two active compounds can be processed into any of the acceptable dosage forms, and the preparation of the two active ingredients is described below in the specific examples, but the preparations in which the two active ingredients can be processed are not limited to the following.
  • prothioconazole 5 g of prothioconazole, 10 g of prochloraz, 10 g of detergent LS (sodium p-methoxy fatty acid amino sulfonate), 4 g of diffusing agent NNO (sodium methylene bis naphthalene sulfonate), white charcoal Black 5 g, kaolin added to 100 g of the mixture was subjected to jet milling to obtain a 15% by weight wettable powder.
  • detergent LS sodium p-methoxy fatty acid amino sulfonate
  • diffusing agent NNO sodium methylene bis naphthalene sulfonate
  • white charcoal Black 5 g, kaolin added to 100 g of the mixture was subjected to jet milling to obtain a 15% by weight wettable powder.
  • prothioconazole 50 g of prochloraz ammonium salt, phenethylphenol polyoxyethylene ether phosphate 3 g, agricultural milk 33 # 2 g, nonylphenol ethoxylate lg, solvent oil 13 g, and water were added to 100 g.
  • the above raw materials are prepared by conventionally preparing an aqueous emulsion, and mixed into a mixing kettle at a high speed to prepare a 55% prothioconazole-imisamine manganese salt emulsion.
  • prothioconazole 30g of prochloraz ammonium salt, calcium 12-dodecylbenzenesulfonate 6g, phenethylphenol polyoxyethylene ether phosphate 3g, agricultural milk 33 # 2g, nonylphenol polyoxyethylene ether Lg, 10 g of isopropanol, add water to 100 g.
  • the above raw materials are mixed into a mixing kettle according to a conventional method of preparing a microemulsion, and a microemulsion of 32% prothioconazole-imitian manganese salt is prepared as an active ingredient.
  • prothioconazole 5 g of prochloraz ammonium salt, phenethyl phenol polyoxyethylene ether phosphate 3 g, agricultural milk 33 # 2 g, nonylphenol ethoxylate lg, solvent oil 13 g, and water was added to 100 g.
  • the above raw materials are put into a mixing kettle according to a conventional method for preparing an aqueous emulsion, and mixed at a high speed to prepare a 6% prothioconazole-imisamine manganese salt emulsion.
  • prothioconazole 50 g of prothioconazole, 20 g of prochloraz ammonium salt, 5 g of calcium dodecylbenzenesulfonate, 2 g of phenethylphenol polyoxyethylene ether, 2 g of castor oil polyoxyethylene ether, and solvent oil to 100 g were weighed.
  • the above raw materials are mixed into a mixing kettle according to a conventional method for preparing an emulsifiable concentrate, and the active ingredient is 70% by weight of prothioconazole-imisamine manganese salt emulsifiable concentrate.
  • prothioconazole 20g of prochloraz ammonium salt, calcium 12-dodecylbenzenesulfonate 6g, phenethylphenol polyoxyethylene ether phosphate 3g, agricultural milk 33 # 2g, nonylphenol polyoxyethylene ether Lg, 10 g of isopropanol, add water to 100 g.
  • the above raw materials are put into a mixing kettle by conventionally preparing a microemulsion to prepare a microemulsion having an active ingredient weight percentage of 25% prothioconazole-imisamine manganese salt.
  • prothioconazole 5 g of prothioconazole, 0.5 g of prochloraz ammonium salt, 6 g of calcium dodecylbenzenesulfonate, 7 g of phenethylphenol polyoxyethylene ether, and solvent oil to 100 g were weighed.
  • the above raw materials are put into a mixing kettle by conventionally preparing an emulsifiable concentrate, and are prepared into an effective component weight percentage of 5.5% prothioconazole-imisamine manganese salt emulsifiable concentrate.
  • prothioconazole 10g of prothioconazole, 10g of prochloraz ammonium salt, 2g of lignin, 4g of polyoxyethylene polyoxypropylene ether, 0.15g of xanthan gum, 5g of ethylene glycol, 0.10g of siloxane, magnesium aluminum silicate 0.5 g, made up to 100 g with water, and made into a 20% prothioconazole-imisamine manganese salt suspension by the action of a sand mill.
  • prothioconazole 12g of prochloraz ammonium salt, 2g of lignin, 4g of polyoxyethylene polyoxypropylene ether, 0.15g of xanthan gum, 5g of ethylene glycol, 0.10g of siloxane, magnesium aluminum silicate 0.5 g, made up to 100 g with water, and made into a 42% prothioconazole-imisamine manganese salt suspension by the action of a sand mill.
  • Example 14 Weigh 2g of prothioconazole, 5g of prochloraz ammonium salt, 8g of sodium lignosulfonate, 2g of sodium decyl sulfate, 5g of ammonium sulfate, 5g of polyvinyl alcohol, 2g of borax, 3g of white carbon, diatomaceous earth To make up to 100g, the above raw materials were prepared by the method of dispersing granules by water, and the content of the active ingredient was 7% by weight of prothioconazole-mimiline manganese salt dispersed granules.
  • prothioconazole 13g of prochloraz ammonium salt, 8g of sodium lignosulfonate, 2g of sodium decyl sulfate, 5g of ammonium sulfate, 5g of polyvinyl alcohol, 2g of borax, 28g of diatomaceous earth to 100g,
  • the above raw materials are prepared by the method of dispersing granules by water to obtain an active ingredient weight percentage of 17% prothioconazole-imisamine manganese salt-dispersed granules.
  • prothioconazole 15g prochloraz ammonium salt, lignin 2g, polyoxyethylene polyoxypropylene ether 4g, xanthan gum 0.15g, ethylene glycol 5g, ethoxylated oxime 0.10g, magnesium silicate aluminum 0.5 g, made up to 100 g with water, and made into a 20% prothioconazole-imisamine manganese salt suspension by the action of a sand mill.
  • the hyphal growth rate method was used indoors to determine the EC 5 o value of the strains of different pesticides.
  • the co-toxicity coefficient calculation method was used to calculate the co-toxicity coefficient (CTC) of the mixture, and the synergistic effect of the mixture was determined. as follows:
  • Single dose virulence index standard pharmaceutical EC 5 . / A single dose of EC 5 . X 100
  • Theoretical virulence index virulence index of eight single agents X A ratio of single agent in the mixture + virulence index of B single agent X B proportion of single agent in the mixture
  • Measured virulence index standard single dose EC 5 Q value / mixed EC 5 Q value X 100
  • Co-toxicity coefficient measured virulence index / theoretical virulence index X 100
  • Classification of co-toxicity coefficient When CTC is greater than 120, the mixture has synergistic effect. When CTC is less than 80, it is antagonistic, and CTC is additive between 80 and 120.
  • Table 1 uses propionate (A) and prochloraz (B) in different ratios to the indoor bioassay of capsicum anthracis. It can be seen from Table 1 that the co-toxicity coefficient of the composition of the present invention is greater than 120, that is, the composition of the present invention has better synergistic effect, and the effect is better than that of a single dose.
  • Test treatment In this test, three dosages are respectively set according to the different components, and the dosage is the mass of the effective component prothioconazole (A) and the active ingredient prochloraz (B).
  • the control agents were a single pesticide 50% prochlorazin WP and 5% prothioconazole ME and a blank water test.
  • Test method The area of each plot is 66.7m 2 , repeated 3 times; the pre-application investigation and the post-treatment investigation efficacy method are as follows: randomly sample 5 points in the test treatment area, according to the national field test related standards for the disease Grading, calculate the effect. The test results are shown in the table below:
  • the composition of the present invention has an obvious synergistic effect, the composition has excellent control effect, and the control effect is better than that of a single dose, and has application value in agricultural applications.

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Abstract

本发明公开了一种含丙硫菌唑和咪鲜胺锰盐的杀菌组合物及其应用。该杀菌组合物以丙硫菌唑和咪鲜胺锰盐为主要有效成分。该杀菌组合物可应用于防治禾谷类、果树、蔬菜病害,具有较高的协同增效作用,克服和延缓了病菌的抗药性,杀菌速度快、持效期长、降低了应用成本,防治效果明显优于其单剂使用。本发明可以用于防治农作物上的真菌性病害,尤其可以用于防治白粉病、纹枯病、枯萎病、叶斑病、锈病、菌核病、网斑病、云纹病、灰霉病、黑斑病、褐斑病、黑胫病、黄瓜、柑橘、甜椒、炭疽病,柑橘蒂腐病、绿霉病、青霉病和蘑菇褐腐病,效果好于单剂使用。

Description

一种含丙硫菌唑和咪鲜胺锰盐的杀菌组合物及其应用 技术领域:
本发明涉及一种杀菌组合物及其应用,尤其是一种以丙硫菌唑和咪鲜胺锰盐为主要 活性成分的杀菌组合物及其应用。
背景技术:
丙硫菌唑(Prothioconazole), 是由拜耳公司研制的新型广谱三唑硫酮类杀菌剂, 化 学名称: 2-(2-(1-氯环丙基) -3-(2-氯苯基 )-2-羟丙基 -1-2-二氢 -3-1,2,4-三唑 -3-硫代,分子式: C14H15C12N30S。 结构式如下:
Figure imgf000002_0001
丙硫菌唑的作用机理是抑制真菌中甾醇的前体一一羊毛甾醇或 24-亚甲基二 氢芈毛醉 14 位上的脱甲基化作用, 即脱甲基化抑制剂 (DMIs )。 不仅具有很好的 内吸活性, 优异的保护、 治疗和铲除活性, 且持效期长。 通过大量的田间药效试 验, 结果表明丙硫菌唑对作物不仅具有良好的安全性, 防病治病效果好, 而且增 产明显, 同三唑类杀茵剂相比, 丙硫菌唑具有更广谱的杀菌活性。 主要用于防治 禾谷类作物如小麦、 大麦、 油菜、 花生、 水稻和豆类作物等众多病害。 几乎对所 有麦类病害都有很好的防治效果, 如小麦和大麦的白粉病、 纹枯病、 枯萎病、 叶 斑病、 锈病、 菌核病、 网斑病、 云纹病等。 还能防治油莱和花生的土传病害, 如 菌核病, 以及主要叶面病害, 如灰霉病、 黑斑病、 褐斑病、 黑胫病、 菌核病和锈 病等。
咪鲜胺锰盐 (Prochloraz manganese) , 分子式: [C15H16Cl3N302]4MnCl2。 化学名 称: N-丙基一 N— [2— (2, 4, 6—三氯苯氧基)乙基]一 1H咪唑一 1一甲酰胺一氯化锰。 结构式: _
Figure imgf000003_0001
咪唑类杀菌剂,通过抑制 醇的生物合成而起作用,在植物体内具有内吸传导作用, 对于子囊菌和半知菌引起的多种病害防效极佳.熔点 141一 142.5 °C, 水中溶解度为 40mg/L, 丙酮中为 7g/L, 蒸气压为 0.02Pa(20°C), 在水溶液中或悬浮液中, 此复合物很 快地分离, 在 25 °C下其分离度于 4小时内达 55%。
目前植物病菌的防治难度越来越大, 一方面, 随着种植结构的改变, 瓜果、 蔬菜等 经济作物种植面积逐步扩大,病害发生程度、发生数量均有所提高,在防治上难度加大; 另一方面,病原菌的抗性在持续的药剂选择压力下逐年上升,单剂的防治效果大打折扣, 植物病害防治面临着重大挑战。
发明内容:
本发明的目的是针对上述技术问题提供一种适用范围广、 成本低、 效果好的含丙硫 菌唑与咪鲜胺锰盐的植物杀菌组合物。
本发明还有一个目的是提供该杀菌组合物在防治植物真菌引起真菌病害上的应用, 尤其是在防治白粉病、 纹枯病、 枯萎病、 叶斑病、 锈病、 菌核病、 网斑病、 云纹病、 灰霉病、 黑斑病、 褐斑病、 黑胫病、 黄瓜、 柑橘、 甜椒、 炭疽病, 柑橘蒂腐病、 绿霉病、 青霉病和蘑菇褐腐病上的应用。
本发明的目的是通过下列措施来实现的:
一种杀菌组合物, 它含有丙硫菌唑与咪鲜胺锰盐, 其中丙硫菌唑与咪鲜胺锰盐重量 比为 1-70: 1-50, 优选为 1-35: 1-25, 进一步优选为 1-10: 1-20, 最优选为 1: 2~6。
在本发明组合物中, 丙硫菌唑和咪鲜胺锰盐二者占组合物的重量百分比为 2~80%, 优选 10~40%。 所述的杀菌组合物,其中丙硫菌唑和咪鲜胺锰盐与已知的助剂和赋形剂复配成农药 上允许的剂型。 这些已知的助剂有分散剂、 扩散剂、 消泡剂、 润湿剂、 崩解剂等, 可以 采用十二垸基苯磺酸钙、垸基酚聚氧乙烯醚、苄基酚聚氧乙烯醚、苯乙基酚聚氧乙烯醚、 脂肪醇聚氧乙烯醚及其类似产品、 脂肪胺聚氧乙烯醚、 脂肪酸环氧乙垸加成物、 聚氧乙 烯聚氧丙稀嵌段化合物、 蓖麻油聚氧乙烯醚、 壬基酚聚氧乙烯醚、 吐温系列、 脂肪醇聚 氧乙烯醚、 聚乙二醇系列、 磺酸盐类、 羧酸盐、 硫酸盐、 磷酸盐、 亚磷酸盐、 木质素磺 酸盐、 黄原胶、 酚甲醛缩合物、 铵盐、 季铵盐型等中的一个或多个组合, 赋形剂包括环 己酮、 二甲苯、 各种溶剂油、 水、 防冻剂 (如丙二醇)、 去离子水等。 以上助剂、 赋形 剂及其它辅料可以单用或并用。
所述的杀菌组合物, 其剂型是乳油、 可湿性粉剂、 悬浮剂、 水乳剂、 微乳剂或水分 散颗粒剂。
所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物在制备具有防治抗性植物真菌病害 药物中的应用。
所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物在制备具有防治白粉病、 纹枯病、 枯萎病、 叶斑病、 锈病、 菌核病、 网斑病、 云纹病、 灰霉病、 黑斑病、 褐斑病、 黑胫病、 黄瓜、 柑橘、 甜椒、 炭疽病, 柑橘蒂腐病、 绿霉病、 青霉病和蘑菇褐腐 病药物上的应用。
本发明的有益效果:
本发明杀菌组合物在制备防治抗性真菌上的应用, 尤其是在防治白粉病、 纹枯病、 枯萎病、 叶斑病、 锈病、 菌核病、 网斑病、 云纹病、 灰霉病、 黑斑病、 褐斑病、 黑胫病、 黄瓜、 柑橘、 甜椒、 炭疽病, 柑橘蒂腐病、 绿霉病、 青霉病和蘑菇褐腐 病有显著的效果。上述杀菌组合物能产生较高的协同增效作用, 并且该活性大于单独组 分的活性。
与现有技术相比本发明的有益效果: (1 )与单剂相比, 该组合物对抗性真菌病害如 白粉病、 纹枯病、 枯萎病、 叶斑病、 锈病、 菌核病、 网斑病、 云纹病、 灰霉病、 黑斑病、 褐斑病、 黑胫病、 黄瓜、 柑橘、 甜椒、 炭疽病, 柑橘蒂腐病、 绿霉病、 青霉病和蘑菇褐腐病有明显协同增效作用, 克服和延缓了抗药性, 扩大防治谱, 明显 提高了防治效果; (2)减少防治用工、用药成本; (3 )可替代常规和易产生抗性的农药;
( 4) 与单剂相比, 生产和使用成本降低; (5 ) 抑制真菌抗药性的产生, 其效果明显高 于其单剂使用。 具体实施方式- 以下结合实施例对本发明作进一步说明, 实施例中剂型的制备方法均为常规方法, 本发明所述的 均为质量百分比。
两种活性化合物可以加工成允许的任意一种剂型,下面以具体的实施例说明两种有 效成分加工成的制剂, 但是该两种活性成分可以加工的制剂不仅限于以下所列。
实施例 1 :
将丙硫菌唑 5g、 咪鲜胺锰盐 10g、 净洗剂 LS (对甲氧基脂肪酸胺基苯磺酸钠) 2g、 扩散剂 NNO (亚甲基双萘磺酸钠) 4g、 白炭黑 5g, 高岭土加至 100g混合物进行气流粉 碎, 制得有效成分重量百分含量为 15%可湿性粉剂。
实施例 2:
将丙硫菌唑 3g、咪鲜胺锰盐 12g、十二垸基硫酸钠 3g、扩散剂 NNO 4g、 白炭黑 5g, 高岭土加至 100g混合物进行气流粉碎,制得有效成分重量百分含量为 15%可湿性粉剂。 实施例 3:
将丙硫菌唑 2g、咪鲜胺锰盐 12g、十二垸基硫酸钠 3g、扩散剂 NN0 4g、 白炭黑 5g, 高岭土加至 100g混合物进行气流粉碎,制得有效成分重量百分含量为 14%可湿性粉剂。 实施例 4:
称取 5g丙硫菌唑、 50g咪鲜胺锰盐、苯乙基酚聚氧乙烯醚磷酸酯 3g、农乳 33 # 2g、 垸基酚聚氧乙烯醚 lg, 溶剂油 13g, 加水至 100g。将以上原料按常规配制水乳剂的方法 投入混合釜中高速混合,制成有效成分重量百分含量为 55 %丙硫菌唑一咪鲜胺锰盐水乳 剂。
实施例 5:
称取 2g丙硫菌唑、 30g咪鲜胺锰盐、 十二垸基苯磺酸钙 6g、 苯乙基酚聚氧乙烯醚 磷酸酯 3g、 农乳 33 # 2g、 垸基酚聚氧乙烯醚 lg, 异丙醇 10g, 加水至 100g。 将以上原 料按常规配制微乳剂的方法投入混合釜中混合,制成有效成分重量百分含量为 32%丙硫 菌唑一咪鲜胺锰盐微乳剂。
实施例 6:
称取 lg丙硫菌唑、 5g咪鲜胺锰盐、 苯乙基酚聚氧乙烯醚磷酸酯 3g、农乳 33 # 2g、 垸基酚聚氧乙烯醚 lg, 溶剂油 13g, 加水至 100g。将以上原料按常规配制水乳剂的方法 投入混合釜中高速混合, 制成有效成分重量百分含量为 6%丙硫菌唑一咪鲜胺锰盐水乳 剂。 实施例 7:
称取 50g丙硫菌唑、 20g咪鲜胺锰盐, 十二垸基苯磺酸钙 5g、 苯乙基酚聚氧乙烯醚 2g、 蓖麻油聚氧乙烯醚 2g、 溶剂油至 100g。 将以上原料按常规配制乳油的方法投入混 合釜中混合, 制成有效成分重量百分含量为 70%丙硫菌唑一咪鲜胺锰盐乳油。
实施例 8:
称取 2g丙硫菌唑、 40g咪鲜胺锰盐, 十二垸基苯磺酸钙 8g、 苯乙基酚聚氧乙烯醚 5g、溶剂油至 100g。将以上原料按常规配制乳油的方法投入混合釜中混合, 制成有效成 分重量百分含量为 42%丙硫菌唑一咪鲜胺锰盐乳油。
实施例 9:
称取 5g丙硫菌唑、 20g咪鲜胺锰盐、 十二垸基苯磺酸钙 6g、 苯乙基酚聚氧乙烯醚 磷酸酯 3g、 农乳 33 # 2g、 垸基酚聚氧乙烯醚 lg, 异丙醇 10g, 加水至 100g。 将以上原 料按常规配制微乳剂的方法投入混合釜中混合,制成有效成分重量百分含量为 25 %丙硫 菌唑一咪鲜胺锰盐微乳剂。
实施例 10:
称取 5g丙硫菌唑、 0.5g咪鲜胺锰盐, 十二垸基苯磺酸钙 6g、 苯乙基酚聚氧乙烯醚 7g、溶剂油至 100g。将以上原料按常规配制乳油的方法投入混合釜中混合, 制成有效成 分重量百分含量为 5.5 %丙硫菌唑一咪鲜胺锰盐乳油。
实施例 11 :
称取 5g丙硫菌唑、 30g咪鲜胺锰盐, 十二垸基苯磺酸钙 4g、 苯乙基酚聚氧乙烯醚 4g、溶剂油至 100g。将以上原料按常规配制乳油的方法投入混合釜中混合, 制成有效成 分重量百分含量为 35 %丙硫菌唑一咪鲜胺锰盐乳油。
实施例 12:
称取 10g丙硫菌唑、 10g咪鲜胺锰盐, 木质素 2g, 聚氧乙烯聚氧丙烯醚 4g, 黄原胶 0.15g, 乙二醇 5g, 硅氧乙垸 0.10g, 硅酸镁铝 0.5g, 用水补足至 100g, 在砂磨机的作用 下制成有效成分重量百分含量为 20%丙硫菌唑一咪鲜胺锰盐悬浮剂。
实施例 13:
称取 30g丙硫菌唑、 12g咪鲜胺锰盐, 木质素 2g, 聚氧乙烯聚氧丙烯醚 4g, 黄原胶 0.15g, 乙二醇 5g, 硅氧乙垸 0.10g, 硅酸镁铝 0.5g, 用水补足至 100g, 在砂磨机的作用 下制成有效成分重量百分含量为 42%丙硫菌唑一咪鲜胺锰盐悬浮剂。
实施例 14: 称取 2g丙硫菌唑、 5g咪鲜胺锰盐, 木质素磺酸钠 8g、 十二垸基硫酸钠 2g、硫酸铵 5g, 聚乙烯醇 5g, 硼砂 2g, 白炭黑 3g、 硅藻土补足至 100g, 将以上原料按水分散颗粒 剂方法制成有效成分重量百分含量为 7 %丙硫菌唑一咪鲜胺锰盐水分散颗粒剂。
实施例 15:
称取 4g丙硫菌唑、 13g咪鲜胺锰盐, 木质素磺酸钠 8g、 十二垸基硫酸钠 2g、 硫酸 铵 5g, 聚乙烯醇 5g, 硼砂 2g, 硅藻土 28g补足至 100g, 将以上原料按水分散颗粒剂 方法制成有效成分重量百分含量为 17 %丙硫菌唑一咪鲜胺锰盐水分散颗粒剂。
实施例 16:
称取 5g丙硫菌唑、 15g咪鲜胺锰盐, 木质素 2g, 聚氧乙烯聚氧丙烯醚 4g, 黄原胶 0.15g, 乙二醇 5g, 硅氧乙垸 0.10g, 硅酸镁铝 0.5g, 用水补足至 100g, 在砂磨机的作用 下制成有效成分重量百分含量为 20%丙硫菌唑一咪鲜胺锰盐悬浮剂。
室内生测试验:
在室内采用菌丝生长速率法,测定不同药剂对菌株的 EC5o值,采用共毒系数计算方 法, 计算出混剂的共毒系数 (CTC), 确定混剂的增效性, 具体计算方法如下:
以混剂中某一单剂为标准药剂 (通常选择 EC5o较低者), 进行计算:
单剂毒力指数 =标准药剂 EC5。/某单剂 EC5。X 100
理论毒力指数 =八单剂的毒力指数 X A单剂在混剂中所占比例 + B单剂的毒力指数 X B单剂在混剂中所占比例
实测毒力指数 =标准单剂的 EC5Q值 /混剂的 EC5Q值 X 100
共毒系数=实测毒力指数 /理论毒力指数 X 100
共毒系数分级: CTC大于 120时混剂具有协同增效性, CTC小于 80时为拮抗, CTC 在 80-120之间为相加作用。
表 1 : 丙硫菌唑 +咪鲜胺锰盐不同配比对辣椒炭疽病病菌 (Cotletotrichum
capsici(Syd.)Butl&Bisby. ) 的室内生测结果
Figure imgf000007_0001
表 1中采用丙硫菌唑 (A) 和咪鲜胺锰盐 (B)以不同配比对辣椒炭疽病病菌的室内 生测试验, 由表 1可知, 本发明的组合物共毒系数均大于 120, 即本发明组合物具有较 好的协同增效性, 其效果均好于单剂品种。
田间药效试验:
1.试验处理: 本试验根据各个成分的不同分别设三个药剂用量, 药剂用量是有效成 分丙硫菌唑(A)和有效成分咪鲜胺锰盐(B) 的质量和。对照药剂分别是农药单剂 50% 咪鲜胺锰盐 WP和 5%丙硫菌唑 ME及空白清水试验。
2.试验方法: 每个小区面积为 66.7m2, 重复 3次; 施药前调查及防治后的调查药效 方法为: 在试验处理区内随机取样 5点, 按照国家田间试验相关标准进行病情分级, 计 算防效。 试验结果见下表:
表 2田间药效试验结果
Figure imgf000008_0001
通过田间药效结果表明, 由表 2可知, 本发明组合物具有明显的协同增效作用, 组 合物的防治效果优良, 防治效果均好于单剂品种, 在农业应用中具有应用价值。

Claims

权 利 要 求 书
1、 一种含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征在于: 所述的丙硫菌唑与 咪鲜胺锰盐的重量比为 1~70: 1~50。
2、 根据权利要求 1所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征在于: 所述的丙硫菌唑与咪鲜胺锰盐的重量比为 1~35: 1~25。
3、 根据权利要求 2所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是所述 的丙硫菌唑与咪鲜胺锰盐的重量比为 1~10: 1~20。
4、 根据权利要求 3所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是所述 的丙硫菌唑与咪鲜胺锰盐的重量比为 1 : 2-6
5、 根据权利要求 1所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是丙硫 菌唑和咪鲜胺锰盐二者占组合物的重量百分含量为 5.5~80%。
6、 根据权利要求 5所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是丙硫 菌唑和咪鲜胺锰盐二者占组合物的重量百分含量为 10~40%。
7、 根据权利要求 1所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是该杀 菌组合物是以丙硫菌唑和咪鲜胺锰盐为主要有效成分和农药助剂、 赋型剂配制成农药 上允许的剂型。
8、 根据权利要求 7所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物, 其特征是所述 剂型是乳油、 悬浮剂、 水乳剂、 可湿性粉剂、 微乳剂或水分散颗粒剂。
9、权利要求 1所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物作为制备防治抗性植 物真菌病害药物药物的应用。
10、 根据权利要求 9所述的含丙硫菌唑和咪鲜胺锰盐的杀菌组合物作为制备防治 白粉病、 纹枯病、 枯萎病、 叶斑病、 锈病、 菌核病、 网斑病、 云纹病、 灰霉病、 黑斑病、 褐斑病、 黑胫病、 黄瓜、 柑橘、 甜椒、 炭疽病, 柑橘蒂腐病、 绿霉病、 青霉病和蘑菇褐腐病药物的应用。
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