CN114982765A - 一种农药组合物及其制剂和用途 - Google Patents
一种农药组合物及其制剂和用途 Download PDFInfo
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- CN114982765A CN114982765A CN202210796956.1A CN202210796956A CN114982765A CN 114982765 A CN114982765 A CN 114982765A CN 202210796956 A CN202210796956 A CN 202210796956A CN 114982765 A CN114982765 A CN 114982765A
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Classifications
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- A—HUMAN NECESSITIES
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- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/50—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
- A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
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- 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
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- Zoology (AREA)
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- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
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- Chemical & Material Sciences (AREA)
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Abstract
本发明的第一方面提供了一种农药组合物,其特征在于,包括环丙唑醇和肟菌酯,两者的重量比为50:1‑1:50。本发明的第二方面提供了一种农药制剂,包括如上所述的农药组合物,所述农药制剂的剂型选自可湿性粉剂、水分散粒剂、悬浮剂、水乳剂、微乳剂、悬乳剂、微囊悬浮剂中的一种。本发明的第三方面提供了一种如上所述的农药组合物的用途,其用作农用杀菌剂。本发明通过以一定比例复配环丙唑醇和肟菌酯,保证了环丙唑醇抗小麦白粉病的优异效果,且未发现小麦叶尖发黄现象,环丙唑醇与肟菌酯以3:1、7:3、5:3、1:1、5:7复配时均为相加作用。
Description
技术领域
本发明涉及农化领域,尤其是一种农药组合物及其制剂和用途。
背景技术
小麦白粉病是由禾本科布氏白粉菌引起、发生在小麦上的病害,主要为害叶片,严重时叶鞘、茎秆、穗部均会受到侵染。发病初期病部可见黄色小点,随着病情加重病点逐渐发展为病斑,呈椭圆形或圆形,表面有一层白粉状霉层,发展至中期呈白灰色,后期呈浅褐色,并产生闭囊壳。病情较轻时霉斑呈分散分布,随着病情加重霉斑也逐渐扩大成片,最终覆盖全叶;病斑下部及周围组织褪绿,病叶发黄、早枯,如发病累及茎及叶鞘,则会导致植株整株倒伏;植株矮小细弱,穗小粒少,千粒重有显著下降,最终影响小麦产量。
环丙唑醇(cyproconazole)是先正达公司开发的三唑类杀菌剂,为甾醇脱甲基化抑制剂,具有内吸传导性,可起到保护、治疗和铲除作用。环丙唑醇杀菌谱广,持效期长,适用于谷物、玉米、水稻、大豆、油菜、棉花、甜菜、其他果蔬等。但在实践中发现,环丙唑醇的施用浓度较高时,会引起小麦叶尖发黄,且单一成分易使病菌产生耐药性,导致持效性缩短。
发明内容
为了解决上述问题,本发明的第一方面提供了一种农药组合物,包括环丙唑醇和肟菌酯,两者的重量比为50:1-1:50。
优选的,所述环丙唑醇和肟菌酯的重量比为10:1-1:10。
优选的,所述环丙唑醇和肟菌酯的重量比为5:1-1:5。
优选的,所述农药组合物还包括植物精油和/或生物碱。
优选的,所述植物精油选自万寿菊精油、茶树精油、香茅精油、桉树精油、薰衣草精油、柠檬草精油、薄荷精油、黑胡椒精油、橘皮精油、麝香草精油、印楝精油中的一种或多种的混合。
优选的,所述生物碱选自苦参碱、小檗碱、胡椒碱、木兰花碱、茶碱中的一种或多种的混合。
优选的,所述农药组合物包括植物精油和生物碱,两者的重量比为3:1-1:3。
本发明的第二方面提供了一种农药制剂,包括如上所述的农药组合物,所述农药制剂的剂型选自可湿性粉剂、水分散粒剂、悬浮剂、水乳剂、微乳剂、悬乳剂、微囊悬浮剂中的一种。
本发明的第三方面提供了一种如上所述的农药组合物的用途,其用作农用杀菌剂。
优选的,所述农用杀菌剂用于防治小麦白粉病。
本发明至少具有以下一种有益效果:
1、本发明通过以一定比例复配环丙唑醇和肟菌酯,保证了环丙唑醇抗小麦白粉病的优异效果,且未发现小麦叶尖发黄现象,环丙唑醇与肟菌酯以3:1、7:3、5:3、1:1、5:7复配时均为相加作用。
2、本发明在复配剂中进一步引入植物源提取物(例如植物精油、生物碱等),使得环丙唑醇在更低的施用浓度下具有更高的防治效果。
具体实施方式
下面结合具体的实施方式对本发明做进一步的解释说明。
本发明的第一方面提供了一种农药组合物,包括环丙唑醇和肟菌酯,两者的重量比为50:1-1:50;优选的,两者的重量比为10:1-1:10;进一步优选的,两者的重量比为5:1-1:5。
实施例1环丙唑醇·肟菌酯复配剂对小麦白粉病的室内配方筛选
供试药剂:(1)环丙唑醇原药,有效含量98%,由江苏七洲绿色化工股份有限公司生产;(2)肟菌酯原药,有效含量97.5%,由内蒙古灵圣作物科技有限公司生产。
供试靶标:小麦白粉病菌(Blumeria graminis(Dc.)Speer)分离自田间发病的小麦,在敏感品系小麦上传代保存。
试材准备:淮麦52播种于盆子中,基质为黑龙江泥碳土:蛭石(3:1),待长到第2片完全展开时剪掉差苗,每盆保留10株用于试验。
配比与剂量设置:供试药剂均用二甲基亚砜(DMSO)配成10000μg/ml母液,然后用0.1%(V/V)吐温80水溶液稀释至所需药液浓度,各药剂及复配药剂配比和浓度如表1。
表1各药剂及复配剂实验浓度
试验方法:参考NY/T 1156.4-2006《农药室内生物测定试验准则杀菌剂第4部分:防治小麦白粉病试验盆栽法》、NY/T1156.6-2006《农药室内生物测定试验准则杀菌剂第6部分:混配的联合作用测定》。
(1)药剂处理
用农业部南京农机所的3WPSH-500D喷雾塔均匀喷雾到2叶期麦苗,每处理3盆,每盆10株,用15ml药液,采用侧喷,小麦叶片全部湿润。
(2)接种与培养
喷药24h后,用抖粉法接种小麦白粉病菌,然后移到植物生长室,把温度控制在18~20℃,RH 75%,1000LUX光照16h,黑暗8h交替培养8d。
(3)调查方法
调查和记录第1~2叶的发病情况。采用如表2的分级方法:
表2小麦白粉病的分级标准
根据调查数据,计算各处理的病情指数和防治效果。
病情指数根据公式(a)计算,计算结果保留小数点后两位:
式中:X——病情指数;
Ni——各级病株数;
i——相对级数值;
N——调查总株数。
防治效果按照公式(b)计算:
式中:P——防治效果,单位为百分率(%);
CK——空白对照病情指数
(4)数据统计分析方法
根据各药剂浓度对数值及对应的防效几率值做回归分析,求出毒力回归方程计算各药剂的EC50,根据Wadley法计算混剂的增效系数(SR),评价混剂的联合作用类型:即SR<0.5为拮抗作用,0.5≤SR≤1.5为相加作用,SR>1.5则两种药剂复配有增效作用,其中SR由式(c)、(d)求得:
式中:X1——混剂EC50理论值,单位为微克每毫升(μg/ml);
PA——混剂中A的百分含量,单位为百分率(%);
PB——混剂中B的百分含量,单位为百分率(%);
A——混剂中A的EC50值,单位为微克每毫升(μg/ml);
B——混剂中B的EC50值,单位为微克每毫升(μg/ml)。
式中:SR——混剂的增效系数;
X1——混剂EC50理论值,单位为微克每毫升(μg/ml);
X2——混剂EC50实测值,单位为微克每毫升(μg/ml)。
(5)数据调查与统计分析(5.1)环丙唑醇的毒力
环丙唑醇防治小麦白粉病的剂量反应曲线回归方程为Y=6.1815+1.4196X,相关系数为r=0.9907,根据回归方程计算得到EC50为0.1472μg/ml。
表3环丙唑醇对小麦白粉病的防治效果
(5.2)肟菌酯的毒力
肟菌酯防治小麦白粉病的剂量反应曲线回归方程为Y=5.8480+1.7485X,相关系数为r=0.9795,根据回归方程计算得到EC50为0.3274μg/ml。
表4肟菌酯对小麦白粉病的防治效果
(5.3)环丙唑醇·肟菌酯(3:1)的毒力
环丙唑醇·肟菌酯(3:1)防治小麦白粉病的剂量反应曲线回归方程为Y=5.8027+1.0554X,相关系数为r=0.9760,根据回归方程计算得到EC50为0.1736μg/ml。
表5环丙唑醇·肟菌酯(3:1)对小麦白粉病的防治效果
(5.4)环丙唑醇·肟菌酯(7:3)的毒力
环丙唑醇·肟菌酯(7:3)防治小麦白粉病的剂量反应曲线回归方程为Y=5.7955+0.8904X,相关系数为r=0.9893,根据回归方程计算得到EC50为0.1278μg/ml。
表6环丙唑醇·肟菌酯(7:3)对小麦白粉病的防治效果
(5.5)环丙唑醇·肟菌酯(5:3)的毒力
环丙唑醇·肟菌酯(5:3)防治小麦白粉病的剂量反应曲线回归方程为Y=5.6582+0.8434X,相关系数为r=0.9921,根据回归方程计算得到EC50为0.1658μg/ml。
表7环丙唑醇·肟菌酯(5:3)对小麦白粉病的防治效果
(5.6)环丙唑醇·肟菌酯(1:1)的毒力
环丙唑醇·肟菌酯(1:1)防治小麦白粉病的剂量反应曲线回归方程为Y=5.5787+0.8949X,相关系数为r=0.9773,根据回归方程计算得到EC50为0.2256μg/ml。
表8环丙唑醇·肟菌酯(1:1)对小麦白粉病的防治效果
(5.7)环丙唑醇·肟菌酯(5:7)的毒力
环丙唑醇·肟菌酯(5:7)防治小麦白粉病的剂量反应曲线回归方程为Y=5.5287+0.9188X,相关系数为r=0.9866,根据回归方程计算得到EC50为0.2659μg/ml。
表9环丙唑醇·肟菌酯(5:7)对小麦白粉病的防治效果
(6)环丙唑醇与肟菌酯不同配比对小麦白粉病菌生物活性的互作效果评价
环丙唑醇对小麦白粉病防效的EC50值为0.1472μg/mL,肟菌酯对小麦白粉病防效的EC50值为0.3274μg/mL。
(6.1)环丙唑醇和肟菌酯3:1复配时,EC50(理论值)=1/[(3/4)/0.1472+(1/4)/0.3274]=0.1707μg/mL,EC50(实测值)为0.1736μg/mL,SR=EC50(理论值)/EC50(实测值)=0.1707/0.1736=0.9832,0.5<SR<1.5,所以环丙唑醇和肟菌酯3:1复配为相加作用。
(6.2)环丙唑醇和肟菌酯7:3复配时,EC50(理论值)=1/[(7/10)/0.1472+(3/10)/0.3274]=0.1763μg/mL,EC50(实测值)为0.1278μg/mL,SR=EC50(理论值)/EC50(实测值)=0.1763/0.1278=1.3796,0.5<SR<1.5,所以环丙唑醇和肟菌酯7:3复配为相加作用。
(6.3)环丙唑醇和肟菌酯5:3复配时,EC50(理论值)=1/[(5/8)/0.1472+(3/8)/0.3274]=0.1855μg/mL,EC50(实测值)0.1658μg/mL,SR=EC50(理论值)/EC50(实测值)=0.1855/0.1658=1.1187,0.5<SR<1.5,所以环丙唑醇和肟菌酯5:3复配为相加作用。
(6.4)环丙唑醇和肟菌酯1:1复配时,EC50(理论值)=1/[(1/2)/0.1472+(1/2)/0.3274]=0.2031μg/mL,EC50(实测值)为0.2256μg/mL,SR=EC50(理论值)/EC50(实测值)=0.2031/0.2256=0.9002,0.5<SR<1.5,所以环丙唑醇和肟菌酯1:1复配为相加作用。
(6.5)环丙唑醇和肟菌酯5:7复配时,EC50(理论值)=1/[(5/12)/0.1472+(7/12)/0.3274]=0.2168μg/mL,EC50(实测值)为0.2659μg/mL,SR=EC50(理论值)/EC50(实测值)=0.2168/0.2659=0.8152,0.5<SR<1.5,所以环丙唑醇和肟菌酯5:7复配为增效作用。
总之,通过测定环丙唑醇与肟菌酯不同配比对小麦白粉病的生物活性及Wadley法计算混剂的增效系数(SR值),可知,环丙唑醇与肟菌酯以3:1、7:3、5:3、1:1、5:7复配时均为相加作用(表10)。
表10环丙唑醇与肟菌酯复配对小麦白粉病菌的生物活性
环丙唑醇为甾醇脱甲基化抑制剂,通过抑制病原菌甾醇生物合成中细胞色素P450的C14去甲基过程,阻碍真菌细胞壁的形成。环丙唑醇的施用浓度在较低时,对小麦株高、鲜重并无影响,但随着施用浓度升高,小麦会出现叶尖发黄的现象。发明人在研究中发现,将环丙唑醇与肟菌酯复配使用,由于肟菌酯为真菌线粒体的呼吸抑制剂,其作用机理是通过与细胞色素bc1复合体的结合,抑制线粒体的电子传递,从而破坏病菌能量合成,起到杀菌作用,与环丙唑醇具有完全不同的作用机理,复配可以适当降低环丙唑醇的施用浓度,避免小麦叶尖变黄(以上复配药剂均未观察到叶尖变黄现象),此外还可以延长农药组合物的持效期,防治病菌在短期内产生抗性。
为了进一步提高杀菌效果,且保证农药组合物的环保性,降低合成类农药的施用浓度,在一些优选的实施方式中,所述农药组合物还包括植物精油和/或生物碱。
进一步的,所述植物精油选自万寿菊精油、茶树精油、香茅精油、桉树精油、薰衣草精油、柠檬草精油、薄荷精油、黑胡椒精油、橘皮精油、麝香草精油(麝香草,又名百里香)、印楝精油中的一种或多种的混合。更进一步的,所述植物精油选自茶树精油、桉树精油、薰衣草精油、柠檬草精油、薄荷精油中的一种或多种的混合。
进一步的,所述生物碱选自苦参碱、小檗碱、胡椒碱、木兰花碱、茶碱中的一种或多种的混合。更进一步的,所述生物碱选自苦参碱、小檗碱、胡椒碱中的一种或多种的混合。
进一步的,所述农药组合物包括植物精油和生物碱,两者的重量比为3:1-1:3。更进一步的,所述农药组合物包括植物精油和生物碱,两者的重量比为1:1。
实施例2环丙唑醇·肟菌酯复配剂与植物精油、生物碱的混剂的防治效果测定
供试药剂:(1)环丙唑醇原药,有效含量98%,由江苏七洲绿色化工股份有限公司生产;(2)肟菌酯原药,有效含量97.5%,由内蒙古灵圣作物科技有限公司生产;(3)茶树精油,CAS:68647-73-4,由武汉吉鑫益邦生物科技有限公司生产;(4)百里香精油,CAS:8007-46-3,由武汉吉鑫益邦生物科技有限公司生产;(5)小檗碱,CAS:2086-83-1,由上海源叶生物科技有限公司生产。
配比与剂量设置:供试药剂均用二甲基亚砜(DMSO)配成10000μg/ml母液,然后用0.1%(V/V)吐温80水溶液稀释至所需药液浓度,各药剂及复配药剂配比和浓度如表11。
表11各混剂实验浓度
实施例2中的试验方法、数据统计分析方法等与实施例类似,在此不做赘述。各混剂的防治效果见表12。
表12各混剂对小麦白粉病的防治效果
发明人在研究中发现,在合成类农药组合物中加入植物源提取物,一方面可以降低合成类农药的施用浓度,更利于环保,减少药害,延长病菌耐药性的发生时间,另一方面植物源提取物能够提高药效,推测其原因在于植物源提取物能够促进活性成分的内吸效果。植物精油和生物碱的用量需严格控制,以保证药物效力,同时维持农药组合物的pH以使合成类农药保持稳定。
本发明的第二方面提供了一种农药制剂,包括如上所述的农药组合物,所述农药制剂的剂型选自可湿性粉剂、水分散粒剂、悬浮剂、水乳剂、微乳剂、悬乳剂、微囊悬浮剂中的一种。
以微乳剂为例,其制备方法可以是:室温下,按比例混合各原料,然后依次加入十二烷基苯磺酸钙、苯乙基聚氧乙烯醚,混合均匀后,再在搅拌条件下加入乙二醇、去离子水,最终得到稳定的微乳剂。
以悬浮剂为例,其制备方法可以是:按照预先设置的比例先将羧甲基纤维素称量后加入山梨醇聚氧乙烯醚和木质素磺酸钠,混合均匀后,经高剪切混合乳化机剪切,按照预先计算的物料配比,将农药原药和/或植物源提取物称量后混合均匀,将浆料移入砂磨机,启动电机,进行砂磨,检测粒径合格后即可出料。
本发明的第三方面提供给了一种如上所述的农药组合物的用途,其用作农用杀菌剂。
优选的,所述农用杀菌剂用于防治小麦白粉病。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制。
Claims (10)
1.一种农药组合物,其特征在于,包括环丙唑醇和肟菌酯,两者的重量比为50:1-1:50。
2.如权利要求1所述的农药组合物,其特征在于,所述环丙唑醇和肟菌酯的重量比为10:1-1:10。
3.如权利要求2所述的农药组合物,其特征在于,所述环丙唑醇和肟菌酯的重量比为5:1-1:5。
4.如权利要求1-3任一项所述的农药组合物,其特征在于,还包括植物精油和/或生物碱。
5.如权利要求4所述的农药组合物,其特征在于,所述植物精油选自万寿菊精油、茶树精油、香茅精油、桉树精油、薰衣草精油、柠檬草精油、薄荷精油、黑胡椒精油、橘皮精油、麝香草精油、印楝精油中的一种或多种的混合。
6.如权利要求4所述的农药组合物,其特征在于,所述生物碱选自苦参碱、小檗碱、胡椒碱、木兰花碱、茶碱中的一种或多种的混合。
7.如权利要求4所述农药组合物,其特征在于,所述农药组合物包括植物精油和生物碱,两者的重量比为3:1-1:3。
8.一种农药制剂,其特征在于,包括如权利要求1-7任一项所述的农药组合物,所述农药制剂的剂型选自可湿性粉剂、水分散粒剂、悬浮剂、水乳剂、微乳剂、悬乳剂、微囊悬浮剂中的一种。
9.一种如权利要求1-7任一项所述的农药组合物的用途,其特征在于,用作农用杀菌剂。
10.如权利要求9所述的农药组合物的用途,其特征在于,所述农用杀菌剂用于防治小麦白粉病。
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