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WO2018006462A1 - 一种杀菌剂组合物 - Google Patents

一种杀菌剂组合物 Download PDF

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Publication number
WO2018006462A1
WO2018006462A1 PCT/CN2016/094042 CN2016094042W WO2018006462A1 WO 2018006462 A1 WO2018006462 A1 WO 2018006462A1 CN 2016094042 W CN2016094042 W CN 2016094042W WO 2018006462 A1 WO2018006462 A1 WO 2018006462A1
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Prior art keywords
sulfur
mbit
bbit
bit
composition according
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PCT/CN2016/094042
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English (en)
French (fr)
Inventor
仲汉根
季自华
季红进
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江苏辉丰农化股份有限公司
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Publication of WO2018006462A1 publication Critical patent/WO2018006462A1/zh

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the invention belongs to the field of agricultural plant protection, in particular to a germicidal composition with improved properties, in particular to a germicidal composition comprising benzisothiazolinones and sulfur.
  • Benzoisothiazolinones are a new type of broad-spectrum fungicide mainly used for the prevention and treatment of various bacterial and fungal diseases such as cereal crops, vegetables and fruits.
  • the mechanism of bactericidal action mainly includes destroying the nuclear structure of the pathogen, causing it to lose the heart part and failing to death and interfering with the metabolism of the pathogenic cells, causing its physiological disorder and ultimately leading to death. It can effectively protect plants from pathogens in the early stage of disease occurrence. Increasing the dosage after disease occurrence can obviously control the spread of pathogens, thus achieving the dual functions of protection and eradication.
  • Sulfur is a traditional inorganic sulfur protective fungicide.
  • the mechanism of action is to act on the electron transfer process between the cytochromes b and c in the redox process, capture electrons, interfere with the normal oxidation-reduction reaction, and cause the bacteria to die.
  • Applicable crops and control objects Sulfur has a wide range of applications and has good control effects on many kinds of pests and diseases.
  • Production is mainly used to control wheat crops powdery mildew, melon powdery mildew, anthracnose, asparagus stem blight, peanut leaf spot (brown spot, black spot, net blotch, etc.), apple powdery mildew, rot disease , pear tree rot disease, powdery mildew, pear hibiscus, peach leaf disease, brown rot, anthracnose, sputum fruit disease, grape powdery mildew, felt disease, hawthorn powdery mildew, citrus scab, anthracnose, powdery mildew , rust spiders, rust spiders, flower powdery mildew, leaf spot, rubber powdery mildew and closed environment fumigation.
  • the object of the present invention is to solve the resistance of the bactericide in practical application and the problem of soil residue, and to screen out the fungicides with different sterilization principles to obtain a new fungicide composition, so as to improve the control effect of the bactericide and delay the resistance.
  • Sexual production reducing the amount of application, reducing the cost of prevention.
  • Another object of the present invention is to provide a preparation method comprising the two active ingredients A and B germicidal compositions and in agriculture The application of the field to control crop diseases.
  • the object of the invention can be achieved by the following measures:
  • a synergistic biocide composition comprising two active components, A and B, wherein active component A is a structural compound having formula (I) and active component B is sulfur.
  • R is selected from H or a C 1 - C 8 alkyl group.
  • the C 1 -C 8 alkyl group in the present invention means a linear or branched alkyl group having 1 to 8 carbon atoms, and includes a C 1 alkyl group (e.g., methyl group) and a C 2 alkyl group (e.g., ethyl group). , C 3 alkyl (such as n-propyl, isopropyl), C 4 alkyl (such as n-butyl, isobutyl, tert-butyl, sec-butyl), C 5 alkyl (such as n-pentyl, etc.) , C 6 alkyl, C 7 alkyl, C 8 alkyl. It includes, but is not limited to, C 1 -C 6 alkyl, C 1 -C 5 alkyl, C 1 -C 4 alkyl, and the like.
  • R is selected from H or a C 1 -C 4 alkyl group.
  • R is selected from the group consisting of H, -CH 3 or -C 4 H 9 .
  • A is 1,2-benzisothiazolin-3-one (abbreviated as BIT in the specification).
  • R is -CH 3
  • A is 2-methyl-1,2-benzisothiazolin-3-one (abbreviated as MBIT in the specification).
  • the inventors have found through experiments that the composition of the present invention is effective for controlling bacterial or fungal diseases of crops, and more importantly, the application amount is reduced and the use cost is lowered.
  • the compounds containing component A and component B have different structural types and different mechanisms of action. The combination of the two can expand the bactericidal spectrum, and can delay the generation and development of pathogen resistance to a certain extent, and component A and group There is no cross-resistance between points B.
  • the weight ratio between the two components in the bactericide composition of the present invention is 1:5 to 300, preferably 1:5 to 250, in order to make the synergistic effect between the two components more remarkable, the component A and The weight ratio between the two components of component B can be further optimized to 1:10 to 250.
  • the weight ratio between the two components of A and B can be arbitrarily adjusted within the range of the following ratios: 1:5, 1:6, 1:7, 1:8, 1:9 , 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:21, 1 :22, 1:23, 1:24, 1:25, 1: 26, 1:27, 1:28, 1:29, 1:30, 1:32, 1:33, 1:34, 1:35, 1:36, 1:37, 1:38, 1:39, 1:40, 1:41, 1:42, 1:43, 1:44, 1:45, 1:46, 1:47, 1:48, 1:49, 1:50, 1:51, 1: 52, 1:53, 1:54, 1:55, 1:56, 1:57, 1:58, 159:, 1:60, 1:61, 1:62, 1:63, 1:64, 1 : 65, 1:66, 1:67, 1:68,
  • composition of the present invention can be made into a pesticide-acceptable dosage form from the active ingredient and agrochemical adjuvant or adjuvant. Further, the composition comprises from 5 to 80% by weight of the active ingredient and from 95 to 20% by weight of the pesticide adjuvant to form a pesticide-acceptable dosage form.
  • the present invention provides the use of a bactericidal composition comprising component A and component B for controlling crop diseases in the agricultural sector, in particular for controlling fungi or bacteria of certain crops.
  • composition may specifically comprise an agrochemical adjuvant or an auxiliary such as one or more of a carrier, a solvent, a dispersing agent, a wetting agent, an adhesive, a thickener, a binder, a surfactant or a fertilizer.
  • auxiliary such as one or more of a carrier, a solvent, a dispersing agent, a wetting agent, an adhesive, a thickener, a binder, a surfactant or a fertilizer.
  • auxiliary such as one or more of a carrier, a solvent, a dispersing agent, a wetting agent, an adhesive, a thickener, a binder, a surfactant or a fertilizer.
  • auxiliary such as one or more of a carrier, a solvent, a dispersing agent, a wetting agent, an adhesive, a thickener, a binder, a surfactant or a fertilizer.
  • Common auxiliaries can be mixed during the application.
  • the method of application of the compositions of the invention comprises the use of the compositions of the invention for aerial parts of plants, in particular leaves or foliage. You can choose to soak or apply to the surface of the control object.
  • the frequency of administration and the amount administered will depend on the biological and climatic conditions of the pathogen.
  • the plant growth site such as rice fields, may be wetted with a liquid formulation of the composition, or the composition may be applied to the soil in solid form, such as in the form of granules (soil application), the composition may be passed from the soil to the plant through the roots of the plant. In vivo (systemic action).
  • composition of the present invention can be prepared into various pesticide-acceptable dosage forms including, but not limited to, emulsifiable concentrates, suspending agents, wettable powders, water-dispersible granules, powders, granules, aqueous preparations, aqueous emulsions, microemulsions, poison baits.
  • the dosage form of the invention employs a wettable powder, a suspending agent, a water-dispersible granule, an aqueous emulsion or a microemulsion.
  • the compositions may be applied by spraying, misting, dusting, spreading or pouring, and the like.
  • composition of the present invention can be prepared into various dosage forms by known methods, and the active ingredient and auxiliary agent can be used, for example.
  • the solvent and the solid carrier can be uniformly mixed and ground with a surfactant as needed to prepare a desired dosage form.
  • the above solvent may be selected from aromatic hydrocarbons, preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • aromatic hydrocarbons preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • Alkenes or paraffins, alcohols and glycols and their ethers and esters such as ethanol, ethylene glycol, ethylene glycol monomethyl
  • ketones such as cyclohexanone
  • highly polar solvents such as N-methyl-2 Pyrrolidone, dimethyl sulfoxide or dimethylformamide
  • vegetable or vegetable oils such as soybean oil.
  • the above solid carriers are typically natural mineral fillers such as talc, kaolin, montmorillonite or activated clay.
  • a highly dispersible silicic acid or a highly dispersible adsorbent polymer carrier such as a particulate adsorbent carrier or a non-adsorbing carrier, and a suitable particulate adsorbent carrier is porous, such as pumice, bentonite or Bentonite; a suitable non-adsorbing carrier such as calcite or sand.
  • a large amount of pre-granulated materials of inorganic or organic nature can be used as a carrier, in particular dolomite.
  • Suitable surfactants are lignosulfonic acid, naphthalenesulfonic acid, phenolsulfonic acid, alkaline earth metal or amine salts, alkylarylsulfonates, alkyl groups Sulfates, alkyl sulfonates, fatty alcohol sulphates, fatty acids and sulfated fatty alcohol glycol ethers, as well as condensates of sulfonated naphthalene and naphthalene derivatives with formaldehyde, naphthalene or naphthalene sulfonic acid with phenol and formaldehyde Condensate, polyoxyethylene octyl phenyl ether, ethoxylated isooctyl phenol, octyl phenol, nonyl phenol, alkyl aryl polyglycol ether, tributyl benzene poly
  • the active component A may be first dissolved in a basic substance to form a benzisothiazolin metal salt.
  • Suitable basic substances include: alkali metal carbonates, alkali metal hydroxides (such as hydroxides). Sodium, potassium hydroxide), alkali metal alkoxy carbonate, alkali metal alkoxide or magnesium methoxide.
  • the two active ingredients in the compositions of the present invention exhibit synergistic effects, the activity of which is more pronounced than the expected sum of activity using a single compound, and the individual activity of a single compound.
  • the synergistic effect is manifested by allowing for a reduced application rate, a broader fungicidal control profile, quicker effect, longer lasting control effect, better control of plant harmful fungi by only one or a few applications, and broadening of possible application. Intervals. These properties are particularly desirable in the practice of plant fungi control.
  • the fungicide composition of the invention can be applied to the field of agricultural diseases for controlling crop diseases, and the specific diseases targeted include, but not limited to, wheat diseases (such as wheat scab, wheat powdery mildew, wheat rust, etc.) and rice diseases (such as: Rice sheath blight, rice blast disease, rice blast, rice bacterial streaks, etc., corn diseases (such as: corn smut, corn big spot, corn spot), cucumber diseases (such as: cucumber frost Mildew, cucumber powdery mildew, cucumber anthracnose, cucumber Bacterial keratosis, etc., tomato diseases (eg, tomato anthracnose, tomato gray mold, tomato bacterial angular plaque, etc.), grape diseases (eg, grape downy mildew, grape gray mold, grape powdery mildew) Apple diseases (such as apple ring disease, apple anthracnose, etc.), citrus diseases (citrus canker, citrus sores, citrus anthracnose), tobacco diseases (tobacco wildfire).
  • wheat diseases such as wheat
  • the other characteristics exhibited by the bactericidal composition of the present invention are mainly as follows: 1.
  • the compounding of the composition of the present invention has obvious synergistic effect; 2. Since the chemical composition of the two single agents of the present composition is greatly different, the effect The mechanism is completely different, there is no cross-resistance, and the problem of resistance caused by the separate use of the two single agents can be delayed; 3.
  • the composition of the present invention is safe and safe for crops. It has been proved by experiments that the bactericidal composition of the invention has stable chemical properties, remarkable synergistic effect, and exhibits obvious synergistic effect and complementary effect on the control object. 4. This product has good preventive and therapeutic effects on fungi and bacteria.
  • the active ingredient A and the active ingredient B are sufficiently mixed with various auxiliary agents and fillers, and are pulverized by an ultrafine pulverizer to obtain a wettable powder.
  • Active component A BIT
  • active component B wettable powder
  • Example 2 25.5% BIT ⁇ Sulphur Wettable Powder
  • Example 3 44% BIT ⁇ Sulfur Wettable Powder
  • Example 5 30.1% BIT ⁇ Sulfur Wettable Powder
  • MBIT was 0.5%
  • sulfur was 25%
  • the remaining components were prepared in the same manner as in Example 2.
  • the MBIT was 0.25% and the sulfur was 43.75%.
  • the remaining components were prepared in the same manner as in Example 3.
  • the MBIT was 0.25% and the sulfur was 56.25%.
  • the remaining components were prepared in the same manner as in Example 4.
  • Active component A (BBIT) and active component B to prepare wettable powder
  • Example 12 25.5% BBIT ⁇ Sulfur Wettable Powder
  • the active ingredient A and the active ingredient B, and the auxiliary agent and the filler are uniformly mixed according to the formula, and are pulverized into a wettable powder by a jet stream, and then added with a certain amount of water to be mixed and granulated, and after being sieved by drying. A water dispersible granule product is obtained.
  • Active component A BIT
  • active component B to prepare water-dispersible granules
  • Example 16 12% BIT ⁇ Sulphur Water Dispersible Granules
  • Example 17 76% BIT ⁇ Sulphur Water Dispersible Granules
  • Example 18 25.2% BIT ⁇ Sulphur Water Dispersible Granules
  • Example 19 50.2% BIT ⁇ Sulphur Water Dispersible Granules
  • Active component A MBIT
  • active component B to prepare water-dispersible granules
  • Example 20 12% MBIT ⁇ Sulphur Water Dispersible Granules
  • Active component A BBIT
  • active component B to prepare water-dispersible granules
  • Example 24 12% BBIT ⁇ Sulphur Water Dispersible Granules
  • Example 27 50.2% BBIT ⁇ Sulphur Water Dispersible Granules
  • the active ingredient A and the active ingredient B, and the components such as a dispersing agent, a wetting agent, a thickener and water are uniformly mixed according to the formulation, and after being sanded and/or sheared at a high speed, a semi-finished product is obtained. After the analysis, the water is added and uniformly filtered to obtain the finished product.
  • Active component A (BIT) and active component B to prepare suspension agent
  • the MBIT was 0.25%, the sulfur was 25%, and the remaining components were prepared in the same manner as in Example 29.
  • MBIT was 0.25%, sulfur was 50%, and the remaining components were prepared in accordance with the procedure of Example 31.
  • MBIT was 0.25%, sulfur was 50%, and the remaining components were prepared in accordance with the procedure of Example 31.
  • the control effect is converted into the probability value (y), the liquid height ( ⁇ g/ml) is converted into a logarithmic value (x), the virulence equation is calculated by the least squares method, and the neutral concentration EC50 is suppressed, and the virulence of the drug is calculated according to the method of Sun Yunpei. Exponential Co-toxicity Factor (CTC).
  • CTC Exponential Co-toxicity Factor
  • Measured virulence index (ATI) (standard drug EC50 / test drug EC50) * 100
  • Theoretical virulence index (TTI) A virulence index * Percentage of A in the mixture + B virulence index * Percentage of B in the mixture
  • CTC Co-toxicity coefficient [mixture measured virulence index (ATI) / mixed theory virulence index (TTI)] * 100
  • the composition showed antagonism, 80 ⁇ CTC ⁇ 120, the composition showed additive effect, CTC ⁇ 120, the composition exhibits synergism.
  • Test method In the early stage of the disease, the first spray was immediately performed, and after 7 days, the second application was carried out, each treatment of 4 cells, 20 square meters per cell. The incidence of the disease was investigated before the drug and 11 days after the second drug. Each plot was randomly sampled at 5 points, and 5 crops were investigated at each point. The percentage of the lesion area per leaf on the whole plant was counted and graded. Disease index and control effect.
  • Grade 1 less than 5 leaf lesions, less than 1 cm in length;
  • Grade 3 6-10 leaf lesions, some lesions are longer than 1 cm;
  • Grade 5 11-25 leaf lesions, some lesions are connected into pieces, and the lesion area accounts for 10-25% of the leaf area;
  • Grade 7 more than 26 leaf lesions, the lesions are connected into pieces, and the lesion area accounts for 26-50% of the leaf area;
  • Grade 9 The lesions are connected into pieces, and the area of the lesions accounts for more than 50% of the leaf area or the whole leaves are dead.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
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  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
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Abstract

提供了一种杀菌剂组合物，其包含两种有效成分A和B，活性组分A为具有式(Ⅰ)结构的化合物，活性组分B为硫磺，两组分之间的重量比为1:5～300。还提供了该组合物的制备方法及用途。试验结果表明，上述杀菌组合物增效明显，各单剂施用量减少，使用成本降低，能有效防治作物的某些特定的真菌病害。通过将不同作用机制和作用方式的杀菌剂进行复配，对于扩大杀菌谱和延缓真菌抗性以及提高防治效果等方面具有很好的作用。

Description

一种杀菌剂组合物 技术领域
本发明属于农业植物保护领域，特别是涉及一种具有改进性能的杀菌组合物，具体地说是涉及一种包含苯并异噻唑啉酮类和硫磺的杀菌组合物。
背景技术
苯并异噻唑啉酮类化合物是一种新型、广谱杀菌剂，主要用于防治和治疗禾谷类作物、蔬菜、水果等多种细菌、真菌性病害。其杀菌作用机理，主要包括破坏病菌细胞核结构，使其失去心脏部位而衰竭死亡和干扰病菌细胞的新陈代谢，使其生理紊乱，最终导致死亡两个方面。在病害发生初期使用可有效保护植株不受病原物侵染，病害发生后酌情增加用药量可明显控制病菌的蔓延，从而达到保护和铲除的双重作用。
硫磺(sulfur)是一种传统的无机硫保护性杀菌剂。其作用机理是作用于氧化还原过程中细胞色素b和c之间的电子传递过程，夺取电子，干扰正常的氧化一还原反应，而导致病菌死亡。适用作物及防治对象硫磺适用范围非常广泛，对许多种病虫害均具有良好的防治效果。生产中主要用于防治麦类作物白粉病，瓜类白粉病、炭瘟病，芦笋茎枯病，花生叶斑病(褐斑病、黑斑病、网斑病等)，苹果白粉病、腐烂病，梨树腐烂病、白粉病、梨木虱，桃缩叶病、褐腐病、炭疽病、瘿螨畸果病，葡萄白粉病、毛毡病，山楂白粉病，柑橘疮痂病、炭疽病、白粉病、锈蜘蛛，枸杞锈蜘蛛，花卉白粉病、叶斑病，橡胶白粉病及密闭环境熏蒸消毒等。
实际的农药经验已经表明，重复且专一施用一种活性化合物来防治有害真菌在很多情况下将导致真菌菌株的快速选择性，为降低抗性真菌菌株选择性的危险性，目前通常使用不同活性化合物的混合物来防治有害真菌。通过将具有不同作用机理的活性化合物进行组合，可延缓抗性产生，降低施用量，减少防治成本。
发明内容
本发明的目的是针对杀菌剂在实际应用中抗性以及土壤残留问题，筛选出不同杀菌原理的杀菌剂进行复配，得到新的一种杀菌剂组合物，以提高杀菌剂防治效果，延缓抗性产生，降低施用量，减少防治成本。
本发明的另一个目的是提供包含两种有效成分A和B杀菌组合物的制备方法及在农业 领域防治农作物病害的应用。
本发明的目的可以通过以下措施达到：
一种具有增效作用的杀菌剂组合物，该组合物包含A和B两种活性组分，其中活性组分A为具有式(Ⅰ)的结构化合物，活性组分B为硫磺。
Figure PCTCN2016094042-appb-000001
式(Ⅰ)中，R选自H或C1～C8烷基。
本发明中的C1～C8烷基是指含有1至8个碳原子的直链或支链烷基，它包括C1烷基(如甲基)、C2烷基(如乙基)、C3烷基(如正丙基、异丙基)、C4烷基(如正丁基、异丁基、叔丁基、仲丁基)、C5烷基(如正戊基等)、C6烷基、C7烷基、C8烷基。它包括但不限于C1～C6烷基、C1～C5烷基、C1～C4烷基等。
在一种优选方案中，R选自H或C1～C4烷基。
在一种更优选的方案中，R选自H、-CH3或-C4H9。
式(Ⅰ)中，当R为H时，A为1,2-苯并异噻唑啉-3-酮(说明书中简称BIT)。
式(Ⅰ)中，当R为-CH3时，A为2-甲基-1,2-苯并异噻唑啉-3-酮(说明书中简称MBIT)。
式(Ⅰ)中，当R为-C4H9时，A为2-正丁基-1,2-苯并异噻唑啉-3-酮，该式中的“丁基”为正丁基(说明书中简称BBIT)。
发明人通过试验发现，本发明的组合物是用于防治农作物细菌或真菌性病害防治增效明显，更重要的是施用量减少，降低使用成本。含有组分A与组分B的化合物结构类型不同，作用机制各异，两者复配能够扩大杀菌谱，并且可以在一定程度上延缓病原菌抗性的产生和发展速度，且组分A与组分B之间无交互抗性。
本发明杀菌剂组合物中的两组分之间的重量比为1:5～300，优选1:5～250，为使两组分间的药效增效作用更为显著，组分A和组分B的重量两组分之间的重量比可以进一步优化至1:10～250。
一种优选的方案中，A和B两组分之间的重量比可以任意地在下述配比的范围内进行调整：1：5、1：6、1：7、1：8、1：9、1：10、1：11、1：12、1：13、1：14、1：15、1：16、1：17、1：18、1：19、1：20、1：21、1：22、1：23、1：24、1：25、1： 26、1：27、1：28、1：29、1：30，1:32、1:33、1:34、1:35、1:36、1:37、1:38、1:39、1:40、1:41、1:42、1:43、1:44、1:45、1:46、1:47、1:48、1:49、1:50、1:51、1:52、1:53、1:54、1:55、1:56、1:57、1:58、159:、1:60、1:61、1:62、1:63、1:64、1:65、1:66、1:67、1:68、1:69、1:70、1:71、1:72、1:73、1:74、1:75、1:76、1:77、1:78、1:79、1:80、1:81、1:82、1:83、1:84、1:85、1:86、1:87、1:88、1:89、1:90、1:91、1:92、1:93、1:94、1:95、1:96、1:97、1:98、1:99、1:100、1:110、1:120、1:130、1:140、1:150、1:160、1:170、1:180、1:190、1:200、1:210、1:220、1:230、1:240、1:250、1:260、1:270、1:280、1:290、1:300也可以在以上任意两个配比所组成的范围内进行选择。
本发明的组合物可以由活性成分和农药助剂或辅料制成农药上允许的剂型。进一步的，该组合物由5～80％重量份的活性组分与95～20％重量份的农药助剂组成农药上允许的剂型。
本发明提供了包含组分A和组分B的杀菌组合物在农业领域防治农作物病害方面的用途，特别是在防治某些作物的真菌或细菌方面的用途。
上述组合物具体可包含农药助剂或辅料，例如载体、溶剂、分散剂、润湿剂、胶粘剂、增稠剂、粘合剂、表面活性剂或肥料等中的一种或几种。在施用的过程中可以混合常用的助剂。
合适的助剂或辅料可以是固体或液体，它们通常是剂型加工过程中常用的物质，例如天然的或再生的矿物质，溶剂、分散剂、润湿剂、胶粘剂、增稠剂、粘合剂。
本发明组合物的施用方法包括将本发明的组合物用于植物生长的地上部分，特别是叶部或叶面。可以选择浸种或涂抹于防治对象表面。施用的频率和施用量取决于病原体的生物学和气候生存条件。可以将植物的生长场所，如稻田，用组合物的液体制剂浸湿，或者将组合物以固体形式施用于土壤中，如以颗粒形式(土壤施用)，组合物可以由土壤经植物根部进入植物体内(内吸作用)。
本发明的组合物可以制备成农药上可接受的各种剂型，包括但不限于乳油、悬浮剂、可湿性粉剂、水分散粒剂、粉剂、粒剂、水剂、水乳剂、微乳剂、毒饵、母液、母粉等，在一种优选方案中，本发明的剂型采用可湿性粉剂、悬浮剂、水分散粒剂、水乳剂或微乳剂。根据这些组合物的性质以及施用组合物所要达到的目的和环境情况，可以选择将组合物以喷雾、弥雾、喷粉、撒播或泼浇等之类的方法施用。
可用已知的方法可以将本发明的组合物制备成各种剂型，可以将有效成分与助剂，如 溶剂、固体载体，需要时可以与表面活性剂一起均匀混合、研磨，制备成所需要的剂型。
上述的溶剂可选自芳香烃，优选含8-12个碳原子，如二甲苯混合物或取代的苯，酞酸酯类，如酞酸二丁酯或酞酸二辛酸，脂肪烃类，如环已烷或石蜡，醇和乙二醇和它们的醚和酯，如乙醇，乙二醇，乙二醇单甲基；酮类，如环已酮，强极性的溶剂，如N-甲基-2-吡咯烷酮，二甲基亚砜或二甲基甲酰胺，和植物油或植物油，如大豆油。
上述的固体载体，如用于粉剂和可分散剂的通常是天然矿物填料，例如滑石、高岭土，蒙脱石或活性白土。为了管理组合物的物理性能，也可以加入高分散性硅酸或高分散性吸附聚合物载体，例如粒状吸附载体或非吸附载体，合适的粒状吸附载体是多孔型的，如浮石、皂土或膨润土；合适的非吸附载体如方解石或砂。另外，可以使用大量的无机性质或有机性质的预制成粒状的材料作为载体，特别是白云石。
根据本发明的组合物中的有效成分的化学性质，合适的表面活性剂为木质素磺酸、萘磺酸、苯酚磺酸、碱土金属盐或胺盐，烷基芳基磺酸盐，烷基硫酸盐，烷基磺酸盐，脂肪醇硫酸盐，脂肪酸和硫酸化脂肪醇乙二醇醚，还有磺化萘和萘衍生物与甲醛的缩合物，萘或萘磺酸与苯酚和甲醛的缩合物，聚氧乙烯辛基苯基醚，乙氧基化异辛基酚，辛基酚，壬基酚，烷基芳基聚乙二醇醚，三丁基苯聚乙二醇醚，三硬脂基苯基聚乙二醇醚，烷基芳基聚醚醇，乙氧基化蓖麻油，聚氧乙烯烷基醚，氧化乙烯缩合物、乙氧基化聚氧丙烯，月桂酸聚乙二醇醚缩醛，山梨醇酯，木质素亚硫酸盐废液和甲基纤维素。
在制备液体剂型时，可以先将活性组分A溶于碱性物质，形成苯并异噻唑啉金属盐，合适的碱性物质包括：碱金属碳酸盐、碱金属氢氧化物(如氢氧化钠、氢氧化钾)、碱金属烷氧基碳酸盐、碱金属醇盐或甲醇镁。
本发明的组合物中两种有效成分表现为增效效果，该组合物的活性比使用单个化合物的活性预期总和，以及单个化合物的单独活性更为显著。增效效果表现为允许施用量减少、更宽的杀真菌控制谱、见效快、更持久的防治效果、通过仅仅一次或少数几次施用更好的控制植物有害真菌、以及加宽了可能的施用间隔时间。这些特性是植物真菌控制实践过程中特别需要的。
本发明的杀菌剂组合物可应用于农业领域防治农作物病害方面，所针对的具体病症包括但不限于小麦病害(如：小麦赤霉病、小麦白粉病、小麦锈病等)、水稻病害(如：水稻纹枯病、水稻稻曲病、水稻稻瘟病、水稻细菌性条斑等)、玉米病害(如：玉米黑穗病、玉米大斑病、玉米小斑病)、黄瓜病害(如：黄瓜霜霉病、黄瓜白粉病、黄瓜炭疽病、黄瓜 细菌性角斑病等)、番茄病害(如：番茄炭疽病、番茄灰霉病、番茄细菌性角斑病等)、葡萄病害(如：葡萄霜霉病、葡萄灰霉病、葡萄白粉病)、苹果病害(如苹果轮纹病、苹果炭疽病等)、柑橘病害(柑橘溃疡病、柑橘疮痂并、柑橘炭疽病)、烟草病害(烟草野火病)等。
本发明的杀菌组合物的表现出的其它特点主要表现为：1、本发明的组合物混配具有明显的增效作用；2、由于本组合物的两个单剂化学结构差异很大，作用机理完全不同，不存在交互抗性，可延缓两单剂单独使用所产生的抗性问题；3、本发明的组合物对作物安全、防效好。经试验证明，本发明杀菌剂组合物化学性质稳定，增效显著，对防治对象表现出明显的增效以及互补作用。4、本品对真菌和细菌具有较好的预防和治疗效果。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明，凡在本发明的精神和原则之内所做的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。
以下实施例所有配方中百分比均为重量百分比。本发明组合物各种制剂的加工工艺均为现有技术，根据不同情况可以有所变化。
一、剂型制备实施例
(一)可湿性粉剂的加工及实施例
将活性成分A与活性成分B与各种助剂及填料等按比例充分混合，经超细粉碎机粉碎后制得可湿性粉剂。
1、活性组分A(BIT)与活性组分B制备可湿性粉剂
实施例1:16％BIT·硫磺可湿性粉剂
BIT 1％，硫磺15％，膨润土4％，烷基硫酸盐5％，白炭黑5％，高岭土补足至100％。
实施例2:25.5％BIT·硫磺可湿性粉剂
BIT 0.5％，硫磺25％，萘磺酸钠5％，烷基聚氧乙基醚磺酸盐5％，白炭黑6％，硅藻土补足至100％。
实施例3:44％BIT·硫磺可湿性粉剂
BIT 0.25％，硫磺43.75％，拉开粉5％，膨润土2.0％，脂肪醇硫酸盐4％，白炭黑补足至100％。
实施例4:56.5％BIT·硫磺可湿性粉剂
BIT 0.25％，硫磺56.25％，木质素磺酸钠5％，烷基聚氧乙基醚磺酸盐5％，白炭黑10％，高岭土补足至100％。
实施例5:30.1％BIT·硫磺可湿性粉剂
BIT 0.1％，硫磺30％，膨润土3％，苯酚磺酸钠4％，烷基磺酸盐3％，白炭黑补足至100％。
2、活性组分A(MBIT)与活性组分B制备悬浮剂
实施例6：16％MBIT·硫磺可湿性粉剂
MBIT 1％，硫磺15％，其余组分按照实施例1的方法制备。
实施例7：25.5％MBIT·硫磺可湿性粉剂
MBIT 0.5％，硫磺25％，其余组分按照实施例2的方法制备。
实施例8：44％MBIT·硫磺可湿性粉剂
MBIT 0.25％，硫磺43.75％，其余组分按照实施例3的方法制备。
实施例9：56.5％MBIT·硫磺可湿性粉剂
MBIT 0.25％，硫磺56.25％，其余组分按照实施例4的方法制备。
实施例10：30.1％MBIT·硫磺可湿性粉剂
MBIT 0.1％，硫磺30％，其余组分按照实施例5的方法制备。
3、活性组分A(BBIT)与活性组分B制备可湿性粉剂
实施例11：16％BBIT·硫磺可湿性粉剂
BBIT 1％，硫磺15％，其余组分按照实施例1的方法制备。
实施例12：25.5％BBIT·硫磺可湿性粉剂
BBIT 0.5％，硫磺25％，其余组分按照实施例2的方法制备。
实施例13：44％BBIT·硫磺可湿性粉剂
BBIT 0.25％，硫磺43.75％，其余组分按照实施例3的方法制备。
实施例14：56.5％BBIT·硫磺可湿性粉剂
BBIT 0.25％，硫磺56.25％，其余组分按照实施例4的方法制备。
实施例15：30.1％BBIT·硫磺可湿性粉剂
BBIT 0.1％，硫磺30％，其余组分按照实施例5的方法制备。
(二)水分散粒剂的加工及实施例
将活性成分活性组分A与活性组分B，与助剂和填料按配方的比例混合均匀，经气流粉碎成可湿性粉剂，再加入一定量的水混合挤压造粒，经干燥筛分后制得水分散粒剂产品。
1、活性组分A(BIT)与活性组分B制备水分散粒剂
实施例16：12％BIT·硫磺水分散粒剂
BIT 2％，硫磺10％，十二烷基硫酸钠6％，硫酸铵6％，烷基萘磺酸钙5％，轻质碳酸钾补足至100％。
实施例17：76％BIT·硫磺水分散粒剂
BIT 1％，硫磺75％，聚氧乙烯辛基苯基醚5％，十二烷基萘磺酸钾5％，木质素磺酸钠5％,高岭土补足至100％。
实施例18：25.2％BIT·硫磺水分散粒剂
BIT 0.2％，硫磺25％，木质素磺酸钾5％，硫酸钙3％，烷基萘磺酸钾4％，轻质碳酸钙补足至100％。
实施例19：50.2％BIT·硫磺水分散粒剂
BIT 0.2％，硫磺50％，甲基萘磺酸钠甲醛缩合物5％，，木质素磺酸钠5％,白炭黑补足至100％。
2、活性组分A(MBIT)与活性组分B制备水分散粒剂
实施例20：12％MBIT·硫磺水分散粒剂
MBIT 2％，硫磺10％，其余组分按照实施例16的方法制备。
实施例21：76％MBIT·硫磺水分散粒剂
MBIT 1％，硫磺75％，其余组分按照实施例17的方法制备。
实施例22：25.2％MBIT·硫磺水分散粒剂
MBIT 0.2％，硫磺25％，其余组分按照实施例18的方法制备。
实施例23：50.2％MBIT·硫磺水分散粒剂
MBIT 0.2％，硫磺50％，其余组分按照实施例19的方法制备。
3、活性组分A(BBIT)与活性组分B制备水分散粒剂
实施例24：12％BBIT·硫磺水分散粒剂
BBIT 2％，硫磺10％，其余组分按照实施例16的方法制备。
实施例25：76％BBIT·硫磺水分散粒剂
BBIT 1％，硫磺75％，其余组分按照实施例17的方法制备。
实施例26：25.2％BBIT·硫磺水分散粒剂
BBIT 0.2％，硫磺25％，其余组分按照实施例18的方法制备。
实施例27：50.2％BBIT·硫磺水分散粒剂
BBIT 0.2％，硫磺50％，其余组分按照实施例19的方法制备。
(三)悬浮剂的加工及实施例
将活性成分活性组分A与活性组分B，与分散剂、润湿剂、增稠剂和水等各组分按配方的比例混合均匀，经砂磨和/或高速剪切后，得到半成品，分析后补加水混合均匀过滤即得成品。
1、活性组分A(BIT)与活性组分B制备悬浮剂
实施例28：15.5％BIT·硫磺悬浮剂
BIT 0.5％，硫磺15％，硅藻土5％，乙二醇4％，甲基萘磺酸钠甲醛缩合物6％，水补足至100％。
实施例29：325.25％BIT·硫磺悬浮剂
BIT 0.25％，硫磺25％，白炭黑3％，乙二醇5％，苯磺酸钠5％，脂肪醇聚氧乙烯醚磷酸酯5％,水补足至100％。
实施例30：37.75％BIT·硫磺悬浮剂
BIT 0.25％，硫磺37.5％，膨润土4％，丙三醇5％，木质素磺酸钠7％,黄原胶2％，水补足至100％。
实施例31：50.25％BIT·硫磺悬浮剂
BIT 0.25％，硫磺50％，高岭土5％，丙三醇3％，脂肪醇聚氧乙烯醚磷酸酯5％，水补足至100％。
实施例32：27.6％BIT·硫磺悬浮剂
BIT 0.1％，硫磺27.5％，膨润土5％，乙二醇5％，苯甲酸钠4％，乙氧基化蓖麻油8％,水补足至100％。
2、活性组分A(MBIT)与活性组分B制备悬浮剂
实施例33：15.5％MBIT·硫磺悬浮剂
MBIT 0.5％，硫磺15％，其余组分按照实施例28的方法制备。
实施例34：25.25％MBIT·硫磺悬浮剂
MBIT 0.25％，硫磺25％，其余组分按照实施例29的方法制备。
实施例35：37.75％MBIT·硫磺悬浮剂
MBIT 0.25％，硫磺37.5％，其余组分按照实施例30的方法制备。
实施例36：50.25％MBIT·硫磺悬浮剂
MBIT 0.25％，硫磺50％，其余组分按照实施例31的方法制备。
实施例37：27.6％MBIT·硫磺悬浮剂
MBIT 0.1％，硫磺27.5％，其余组分按照实施例32的方法制备。
3、活性组分A(BBIT)与活性组分B制备悬浮剂
实施例38：15.5％BBIT·硫磺悬浮剂
BBIT 0.5％，硫磺15％，其余组分按照实施例28的方法制备。
实施例39：25.25％BBIT·硫磺悬浮剂
BBIT 0.25％，硫磺25％，其余组分按照实施例29的方法制备。
实施例40：37.75％BBIT·硫磺悬浮剂
BBIT 0.25％，硫磺37.5％，其余组分按照实施例30的方法制备。
实施例41：50.25％BBIT·硫磺悬浮剂
MBIT 0.25％，硫磺50％，其余组分按照实施例31的方法制备。
实施例42：27.6％BBIT·硫磺悬浮剂
BBIT 0.1％，硫磺27.5％，其余组分按照实施例32的方法制备。
二、药效验证试验
(一)生物测定实施例
按照试验分级标准调查整株叶片的发病情况，计算病情指数和防治效果。
将防治效果换算成几率值(y)，药液弄高度(μg/ml)转换成对数值(x)，以最小二乘法计算毒力方程和抑制中浓度EC50，依孙云沛法计算药剂的毒力指数级共毒系数(CTC)。
实测毒力指数(ATI)＝(标准药剂EC50/供试药剂EC50)*100
理论毒力指数(TTI)＝A药剂毒力指数*混剂中A的百分含量+B药剂毒力指数*混剂中B的百分含量
共毒系数(CTC)＝[混剂实测毒力指数(ATI)/混剂理论毒力指数(TTI)]*100
CTC≤80,组合物表现为拮抗作用,80＜CTC＜120，组合物表现为相加作用,CTC≥ 120，组合物表现为增效作用。
1、BIT与硫磺复配对毒力测定试验
表1.BIT与硫磺复配对石榴疮痂病测定结果分析
药剂名称 EC50(μg/ml) ATI TTI 共毒系数(CTC)
硫磺 47.66 100.00 \ \
BIT 32.54 146.47 \ \
BIT：硫磺＝1：5 27.41 173.88 138.73 125.34
BIT：硫磺＝1：15 25.19 189.19 143.57 131.78
BIT：硫磺＝1：30 24.82 192.03 144.97 132.46
BIT：硫磺＝1：50 24.48 194.70 145.56 133.76
BIT：硫磺＝1：75 24.16 197.24 145.86 135.23
BIT：硫磺＝1：100 23.73 200.85 146.01 137.56
BIT：硫磺＝1：125 23.47 203.11 146.10 139.02
BIT：硫磺＝1：150 23.59 202.07 146.16 138.25
BIT：硫磺＝1：175 23.87 199.67 146.21 136.57
BIT：硫磺＝1：200 24.16 197.23 146.24 134.87
BIT：硫磺＝1：225 24.58 193.89 146.26 132.56
BIT：硫磺＝1：250 25.05 190.26 146.28 130.06
BIT：硫磺＝1：275 26.11 182.56 146.30 124.78
BIT：硫磺＝1：300 26.48 179.95 146.32 122.99
结果(表1)表明，BIT与硫磺复配对石榴疮痂病的防治效果显著提高，说明二者复配对石榴疮痂病防治有显著的增效作用。实验发现，BIT与硫磺的复配比例不在本发明的范围内时难以具有协同增效作用。
2、MBIT与硫磺复配对毒力测定试验
表2.MBIT与硫磺复配对豇豆角斑病毒力测定结果分析
药剂名称 EC50(μg/ml) ATI TTI 共毒系数(CTC)
硫磺 34.59 100 \ \
MBIT 21.45 161.26 \ \
MBIT：硫磺＝1：5 18.88 183.25 151.05 121.32
MBIT：硫磺＝1：15 17.36 199.28 157.43 126.58
MBIT：硫磺＝1：30 16.97 203.85 159.28 127.98
MBIT：硫磺＝1：50 16.64 207.87 160.06 129.87
MBIT：硫磺＝1：75 16.37 211.27 160.45 131.67
MBIT：硫磺＝1：100 16.09 214.92 160.65 133.78
MBIT：硫磺＝1：125 15.83 218.48 160.77 135.89
MBIT：硫磺＝1：150 15.42 224.34 160.85 139.47
MBIT：硫磺＝1：175 15.49 223.33 160.91 138.79
MBIT：硫磺＝1：200 15.88 217.76 160.96 135.29
MBIT：硫磺＝1：225 16.36 211.48 160.99 131.36
MBIT：硫磺＝1：250 16.87 205.05 161.02 127.35
MBIT：硫磺＝1：275 17.23 200.78 161.04 124.68
MBIT：硫磺＝1：300 17.85 193.78 161.06 120.32
结果(表2)表明，MBIT与硫磺复配对豇豆角斑病的防治效果显著提高，说明二者复配对豇豆角斑病防治有显著的增效作用。实验发现，MBIT与硫磺的复配比例不在本发明的范围内时难以具有协同增效作用。
3、BBIT与硫磺复配对毒力测定试验
表3.BBIT与硫磺复配对小麦黑穗病毒力测定结果分析
药剂名称 EC50(μg/ml) ATI TTI 共毒系数(CTC)
硫磺 40.53 100 \ \
BBIT 25.38 159.69 \ \
BBIT：硫磺＝1：5 21.59 187.76 149.74 125.39
BBIT：硫磺＝1：15 19.78 204.88 155.96 131.37
BBIT：硫磺＝1：30 19.25 210.54 157.76 133.45
BBIT：硫磺＝1：50 18.82 215.41 158.52 135.89
BBIT：硫磺＝1：75 18.48 219.32 158.90 138.02
BBIT：硫磺＝1：100 18.15 223.25 159.10 140.32
BBIT：硫磺＝1：125 17.73 228.59 159.22 143.57
BBIT：硫磺＝1：150 17.57 230.63 159.29 144.78
BBIT：硫磺＝1：175 17.80 227.70 159.35 142.89
BBIT：硫磺＝1：200 18.18 222.97 159.39 139.89
BBIT：硫磺＝1：225 18.59 218.06 159.43 136.78
BBIT：硫磺＝1：250 19.07 212.53 159.45 133.29
BBIT：硫磺＝1：275 20.04 202.29 159.47 126.85
BBIT：硫磺＝1：300 20.44 198.31 159.49 124.34
结果(表3)表明，BBIT与硫磺复配对小麦黑穗病的防治效果显著提高，说明二者复配对小麦黑穗病防治有显著的增效作用。尤其在1:15～250之间，增效作用非常明显。实验发现，BBIT与硫磺的复配比例不在本发明的范围内时难以具有协同增效作用。
(二)田间药效验证试验
试验方法：在发病初期，立即进行第一次喷雾，7天后进行第二次施药，每个处理4个小区，每个小区20平米。于药前和第二次药后11天调查统计发病情况，每个小区5点随机取样，每点调查5株作物，调查整株上每叶片的病斑面积占叶片面积的百分率并分级，计算病情指数和防治效果。
Figure PCTCN2016094042-appb-000002
Figure PCTCN2016094042-appb-000003
预期防效(％)＝X+Y-XY/100(其中，X，Y为单剂防效)
分级标准：
0级：无病斑；
1级：叶片病斑少于5个，长度小于1cm；
3级：叶片病斑6-10个，部分病斑长度大于1cm；
5级：叶片病斑11-25个，部分病斑连成片，病斑面积占叶面积的10-25％；
7级：叶片病斑26个以上，病斑连成片，病斑面积占叶面积的26-50％；
9级：病斑连成片，病斑面积占叶面积的50％以上或全叶枯死。
1、BIT与硫磺复配田间药效实验
表4 BIT与硫磺混配对苹果树白粉病防治效果
Figure PCTCN2016094042-appb-000004
Figure PCTCN2016094042-appb-000005
Figure PCTCN2016094042-appb-000006
测定结果(表4)表明，BIT与硫磺混配对苹果树白粉病的防效明显提高，说明二者复配对苹果树白粉病有显著的增效作用。
2、MBIT与硫磺复配田间药效实验
表5 MBIT与硫磺混配对柚子疮痂病防治效果
Figure PCTCN2016094042-appb-000007
Figure PCTCN2016094042-appb-000008
Figure PCTCN2016094042-appb-000009
Figure PCTCN2016094042-appb-000010
测定结果(表5)表明，MBIT与硫磺混配对柚子疮痂病的防效明显提高，说明二者复配对柚子疮痂病有显著的增效作用。
3、BBIT与硫磺复配田间药效实验
表6 BBIT与硫磺混配对桃细菌性穿孔病防治效果
Figure PCTCN2016094042-appb-000011
Figure PCTCN2016094042-appb-000012
Figure PCTCN2016094042-appb-000013
Figure PCTCN2016094042-appb-000014
测定结果(表6)表明，BBIT与硫磺混配对桃细菌性穿孔病的防效明显提高，说明二者复配对桃细菌性穿孔病有显著的增效作用。

Claims (10)

  1. 一种杀菌剂组合物，其特征在于所述的组合物包含A和B两种活性组分，其中活性组分A为具有式(Ⅰ)的结构化合物，活性组分B为硫磺，两组分之间的重量比为1:5～300，
    Figure PCTCN2016094042-appb-100001
    式(Ⅰ)中，R选自H或C1～C8烷基。
  2. 根据权利要求1所述的杀菌剂组合物，其特征在于式(Ⅰ)中，R选自H或C1～C4烷基。
  3. 根据权利要求2所述的杀菌剂组合物，其特征在于式(Ⅰ)中，R选自H、-CH3或-C4H9，对应的活性组分A分别为1,2-苯并异噻唑啉-3-酮、2-甲基-1,2-苯并异噻唑啉-3-酮或2-正丁基-1,2-苯并异噻唑啉-3-酮。
  4. 根据权利要求1所述的杀菌剂组合物，其特征在于活性组分A和活性组分B的重量比为1:5～250。
  5. 根据权利要求4所述的杀菌剂组合物，其特征在于活性组分A和活性组分B的重量比为1:10～250。
  6. 根据权利要求1～5中任意一项所述的杀菌剂组合物，其特征在于该组合物由活性成分和农药助剂或辅料制成农药上允许的剂型。
  7. 根据权利要求6所述的杀菌剂组合物，其特征在于该组合物中活性组分的质量含量为5～80％。
  8. 根据权利要求6所述的杀菌剂组合物，其特征在于所述的剂型为可湿性粉剂、悬浮剂或水分散粒剂。
  9. 根据权利要求6所述的杀菌剂组合物，其特征在于所述农药助剂或辅料选自载体、溶剂、分散剂、润湿剂、胶粘剂、增稠剂、粘合剂、表面活性剂或肥料中的一种或几种。
  10. 权利要求1～5中任意一项所述的杀菌剂组合物在农业领域防治农作物病害方面的用途。
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