CN115363031A - 一种含有Lancotrione-钠盐和敌稗的除草剂组合物 - Google Patents
一种含有Lancotrione-钠盐和敌稗的除草剂组合物 Download PDFInfo
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- CN115363031A CN115363031A CN202211205604.0A CN202211205604A CN115363031A CN 115363031 A CN115363031 A CN 115363031A CN 202211205604 A CN202211205604 A CN 202211205604A CN 115363031 A CN115363031 A CN 115363031A
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- Prior art keywords
- propanil
- lancotrione
- sodium salt
- weeds
- herbicidal composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A01N37/18—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
- A01N43/26—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings
- A01N43/28—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings with two hetero atoms in positions 1,3
-
- 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
- A01P13/00—Herbicides; Algicides
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- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明涉及一种含有Lancotrione‑钠盐和敌稗的除草组合物,其中Lancotrione‑钠盐与敌稗的重量比为1:10至1:480。本发明还涉及所述的除草组合物用于防除不希望的杂草的用途,以及所述的除草组合物用于作物田防除不希望的杂草的方法。本发明的组合物在杂草防治方面具有协同增效作用。
Description
技术领域
本发明属于除草剂领域,具体涉及一种含有Lancotrione-钠盐和敌稗的除草组合物及其应用。
背景技术
Lancotrione-钠盐,又称Lancotrione-sodium,CAS登录号1486617-22-4,为lancotrione的钠盐,是日本石原产业株式会社开发的三酮类HPPD抑制剂类除草剂,可用于防治水稻田的禾本科和阔叶杂草,对水稻安全。
敌稗为酰胺类触杀型除草剂,其作用机制较为复杂,可破坏植物的光合作用,抑制呼吸作用与氧化磷酸化作用,干扰核酸与蛋白质合成等,主要用于水稻田防除稗草,也可用于防除其他多种禾本科和阔叶杂草,如水芹、马唐、狗尾草等。
JP2021075477A 公开了一种含有1-[2-(N-三氟甲磺酰基)氨基苄基]-3,3-二甲基氮杂环丁烷-2-酮和成分B的组合物,成分B选自氟乐灵、二甲戊灵、Lancotrione-钠盐等,用于防治水田杂草。
CN102265852A公开了一种含灭草松和敌稗的除草组合物,以灭草松与敌稗为主要有效成分,二者的质量比为0.1~80∶0.1~80,可用于防治多种杂草,具有较好的防效。
TW公开了一种含有式(I)所示化合物的除草组成物,其具有范围广泛的杀草谱,活性高,除草有效成分用量小,且持效期长。
目前,由于除草剂的大量使用,导致杂草的抗药性风险增加。在应对杂草抗性发展方面,现阶段较为有效的方式之一为将未产生抗性或者抗性不明显的除草剂新品种与现有农药品种进行复配,在有效防治杂草的同时,大大降低了除草剂新品种的抗性风险。未发现现有技术中存在Lancotrione-钠盐与敌稗复配相关的报道。
发明内容
本发明人经过研究发现,Lancotrione-钠盐与敌稗在杂草防治方面具有协同增效作用,能够延缓杂草抗性发展。基于此,完成了本发明。
本发明一方面提供一种含有Lancotrione-钠盐和敌稗的除草组合物,其中Lancotrione-钠盐与敌稗的重量比为1:10至1:480。
进一步地,所述Lancotrione-钠盐与敌稗的重量比优选为1:20至1:240,更优选为1:40至1:200,例如1:40、1:45、1:50、1:55、1:60、1:65、1:70、1:75、1:80、1:85、1:90、1:95、1:100、1:105、1:110、1:115、1:120、1:125、1:130、1:135、1:140、1:145、1:150、1:155、1:160、1:165、1:170、1:175、1:180、1:185、1:190、1:195、1:200。
本发明的除草组合物除包含活性成分Lancotrione-钠盐与敌稗外,还可通过添加农业上可接受的助剂和/或载体,制备成农业上常用的剂型,包括但不限于:可湿性粉剂、水分散粒剂、悬浮剂、乳油、微乳剂、水乳剂。优选制备成悬浮剂、水分散粒剂。上述剂型的加工方法均是相关领域的技术人员所熟知的。
在本发明所述的除草组合物中,所述活性成分Lancotrione-钠盐与敌稗在组合物中的重量百分含量为1%-90%,优选为5%-80%,更优选10%-70%。
在本发明的除草组合物中,可用的助剂和/或载体包括但不限于分散剂、润湿剂、乳化剂、溶剂、增稠剂、防冻剂、粘合剂、崩解剂、消泡剂、载体等。
其中,
所述分散剂可选自壬基酚聚氧乙烯醚、甘油脂肪酸聚氧乙烯醚、聚氧乙烯烷基芳基醚、聚氧乙烯羊毛脂醇、烷基萘磺酸盐、萘磺酸盐甲醛缩合物、萘磺酸甲醛缩合物钠盐、木质素磺酸盐、对羟苯基木质素磺酸钠、脂肪醇聚氧乙烯醚硫酸盐、烷基酚聚氧乙烯醚甲醛缩合物、十二烷基三甲基铵盐、烷基二甲基苄基铵盐、对甲氧基脂肪酰胺基苯磺酸、对甲氧基脂肪酰胺基苯磺酸盐、脂肪醇聚氧乙烯醚、脂肪醇聚氧乙烯醚磷酸酯、聚氧乙烯山梨聚糖脂肪酸酯中的一种或多种。
所述润湿剂可选自月桂酰基肌氨酸钠、N-月桂酰基谷氨酸钠、二辛基磺基琥珀酸盐、聚氧乙烯烷基芳基醚磷酸酯盐、三硅氧烷聚氧乙烯醚、十二烷基硫酸钠、十二烷基苯磺酸钙、异辛醇琥珀酸酯磺酸钠、油酰基甲基牛磺酸钠、三苯乙基苯酚聚氧乙烯醚、蓖麻油聚氧乙烯醚、聚氧乙烯脂肪酸酯、高级脂肪酸甘油酯、山梨聚糖脂肪酸酯、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯基醚磷酸酯中的一种或多种。
所述乳化剂可选自木质素磺酸盐、萘磺酸盐甲醛缩合物、苄基二甲基酚聚氧乙基醚、苯乙烯基苯基聚氧乙烯醚、苯乙基苯酚聚氧乙烯聚氧丙烯醚、蓖麻油聚氧乙烯醚壬基酚聚氧乙烯醚、脂肪醇聚氧乙烯醚、聚氧乙烯烷基醚、烷基酚甲醛树脂聚氧乙烯醚、聚氧乙烯山梨醇脂肪酸酯、十二烷基硫酸钠、十二烷基苯磺酸钠、十二烷基苯磺酸钙、壬基酚聚氧乙烯醚磷酸酯、苯基酚聚氧乙基醚磷酸酯、苯乙烯聚氧乙烯醚硫酸铵盐、山梨醇酐单硬脂酸酯、失水山梨醇单硬脂酸酯聚氧乙烯醚、失水山梨醇脂肪酸酯聚氧乙烯醚中的一种或多种。
所述溶剂可选自丙酮、二甲基甲酰胺、二甲基亚砜、二甲苯、三氯甲烷、二氯甲烷、乙酸乙酯、环己烷、乙基乙二醇醚、环己酮、N-甲基吡咯烷酮、椰油脂肪酸甲酯、环己醇、甲基乙二醇醚、乙腈、石蜡、四氢化萘、异佛尔酮、大豆油、棉籽油、甲酯化植物油、邻苯二甲酸二甲酯中的一种或多种。
所述增稠剂可选自阿拉伯胶、羧甲基纤维素、羧甲基纤维素钠、黄原胶、明胶、聚乙烯醇、硅酸镁铝、海藻酸钠中的一种或多种。
所述防冻剂可选自乙二醇、丙二醇、丙三醇、聚乙二醇、山梨醇中的一种或多种。
所述粘合剂可选自淀粉、糊精、蔗糖、羧甲基纤维素、羧乙基纤维素、明胶、阿拉伯胶、黄原胶中的一种或多种。
所述崩解剂可选自硫酸钠、硫酸钙、碳酸氢钠、硫酸铵、氯化镁、羧甲基淀粉钠、尿素中的一种或多种。
所述消泡剂可选自硅酮、磷酸丁酯、磷酸异丁酯、正-辛醇中的一种或多种。
所述载体可选自硅藻土、高岭土、膨润土、凹凸棒土、蒙脱石、碳酸钙、沸石、酸性粘土、水、蓖麻油、大豆油、玉米油、松节油、菜籽油、油酸甲酯、椰子油、矿物油中的一种或多种。
本发明另一方面涉及所述的除草组合物用于作物田防除不希望的杂草的方法或用途,其中将所述除草组合物与不希望的杂草接触。具体的施药方法是所属领域的技术人员所熟知的,例如叶面喷雾。具体施用量也是所属领域的技术人员易于确定的,例如5-2000g a.i./ha,优选10-1000 g a.i./ha。
本发明所述的除草组合物可用于多种作物田,如玉米、水稻、小麦、大麦、黑麦、燕麦、高粱、棉花、大豆、油菜等防治多种不希望的杂草。所述不希望的杂草包括禾本科杂草、阔叶杂草及莎草科杂草,具体种类包括但不限于:稗草、鸭跖草、异型莎草、牛毛毡、节节菜、鳢肠、马唐、狗尾草、小藜、凹头苋、千金子、碎米莎草、水莎草、野荸荠、萤蔺、藨草、野慈姑、矮慈姑、鸭舌草、水苋菜、陌上菜、母草、丁香蓼、草龙、莲子草、牛筋草、播娘蒿、车前草、繁缕、反枝苋、褐穗莎草、黑麦草、藜、马齿苋、牛繁缕、婆婆纳、荠菜、千根草、苘麻、田旋花、铁苋菜、野燕麦。优选用于防治稗草、马唐。
具体实施方式
下面结合实施例对本发明作进一步的说明,但本发明并不局限于此。另外,如无特别说明,下述实施例中所述的百分比均为重量百分比。
一、制剂实施例
实施例1 水分散粒剂
Lancotrione-钠盐 0.5%,敌稗20%,对羟苯基木质素磺酸钠3%,三苯乙基苯酚聚氧乙烯醚5%,阿拉伯胶4%,羧甲基淀粉钠5%,膨润土余量。
制备方法为将除粘合剂外的各组分混合均匀并粉碎,然后加入粘合剂水溶液造粒,干燥,得到水分散粒剂。
实施例2 水分散粒剂
Lancotrione-钠盐 1%,敌稗40%,萘磺酸甲醛缩合物钠6%,三硅氧烷聚氧乙烯醚3%,羧乙基纤维素4%,硫酸铵5%,膨润土余量。
制备方法为将除粘合剂外的各组分混合均匀并粉碎,然后加入粘合剂水溶液造粒,干燥,得到水分散粒剂。
实施例3 水分散粒剂
Lancotrione-钠盐 0.4%,敌稗48%,聚氧乙烯山梨聚糖脂肪酸酯5%,N-月桂酰基谷氨酸钠6%,糊精2%,硫酸钙5%,膨润土余量。
制备方法为将除粘合剂外的各组分混合均匀并粉碎,然后加入粘合剂水溶液造粒,干燥,得到水分散粒剂。
实施例4 悬浮剂
Lancotrione-钠盐 1%,敌稗20%,聚氧乙烯烷基芳基醚3%,山梨聚糖脂肪酸酯5%,硅酸镁铝4%,磷酸异丁酯0.5%,丙二醇5%,水余量。
制备方法为将各组分加入水中,混合搅拌,经高速剪切分散、研磨得到悬浮剂。
实施例5 悬浮剂
Lancotrione-钠盐 0.2%,敌稗24%,脂肪醇聚氧乙烯醚硫酸钠7%,蓖麻油聚氧乙烯醚2%,硅酸镁铝4%,磷酸异丁酯0.5%,丙二醇5%,水余量。
制备方法为将各组分加入水中,混合搅拌,经高速剪切分散、研磨得到悬浮剂。
实施例6 悬浮剂
Lancotrione-钠盐0.1%,敌稗20%,甘油脂肪酸聚氧乙烯醚2%,异辛醇琥珀酸酯磺酸钠5%,硅酸镁铝4%,磷酸异丁酯0.5%,丙二醇5%,水余量。
制备方法为将各组分加入水中,混合搅拌,经高速剪切分散、研磨得到悬浮剂。
二、联合毒力试验
本发明除草组合物的除草活性参照“NY/T 1155.4-2006农药室内生物测定试验准则除草剂第四部分:活性测定试验茎叶喷雾法”进行。
供试靶标:稗草、马唐;
供试药剂:Lancotrione-钠盐、敌稗以及二者的混合物。药剂用DMF溶解配制成母液,再用0.5%的吐温-80水溶液稀释配制成试验所需各剂量药液,具体如下表1-2所示。
试验方法:取直径22 cm的塑料盆钵,填装复合营养土至3/4高度,将杂草种子均匀薄如盆钵内,置于温室培养。待种子出苗后进行间苗,每盆保留25株长势均一的植株,培养至2-3叶期供试。
各处理采用全自动喷雾塔对供试杂草进行茎叶喷雾处理,每盆喷液量10 mL。每处理设4次重复,另设喷0.5%的吐温-80水溶液作空白对照。处理后移入温室常规培养。处理后20天调查各处理鲜重防效:
E:鲜重防效;
C:对照杂草地上部分鲜重;
T:处理杂草地上部分鲜重;
然后,通过Colby公式计算组合物联合作用的理论防效:
X为当以m的施用量施用活性组分A时的防效,表示为未处理对照组的百分比;
Y为当以n的施用量施用活性组分B时的防效,表示为未处理对照组的百分比;
E0为当以m和n的施用量施用活性组分A和B时的理论防效,表示为未处理对照组的百分比。
若防效的观察值(实际防效)高于理论值(理论防效),则组合物具有增效效应。
本发明Lancotrione-钠盐与敌稗的除草组合物对稗草、马唐的测定结果见下表1-2。
表1对稗草的联合毒力测定结果
表1结果显示,Lancotrione-钠盐与敌稗的组合在1:20至1:240的范围内对稗草具有协同增效作用,尤其在比例为1:80至1:200时最为明显。
表2对马唐的联合毒力测定结果
表2结果显示,Lancotrione-钠盐与敌稗的组合在1:20至1:240的范围内对马唐具有协同增效作用。
本发明已经通过具体的实施例进行了描述。本领域技术人员可以借鉴本发明的内容来进行适当改变,当相关改变未脱离本发明的内容时,均被被视为包括在本发明的范围之内。
Claims (9)
1.一种含有Lancotrione-钠盐和敌稗的除草组合物,其特征在于,Lancotrione-钠盐与敌稗的重量比为1:10至1:480。
2.根据权利要求1所述的除草组合物,其特征在于,所述Lancotrione-钠盐与敌稗的重量比优选为1:20至1:240。
3.根据权利要求1或2所述的除草组合物,其特征在于,所述除草组合物还包含农业上可接受的助剂和/或载体;所述农业上可接受的助剂和/或载体包括分散剂、润湿剂、乳化剂、溶剂、增稠剂、防冻剂、粘合剂、崩解剂、消泡剂、载体中的一种或多种。
4.根据权利要求3所述的除草组合物,其特征在于,所述农药组合物的剂型为颗粒剂、可湿性粉剂、水分散粒剂、悬浮剂、乳油、微乳剂或水乳剂。
5.根据权利要求4所述的除草组合物,其特征在于,所述农药组合物的剂型为水分散粒剂、悬浮剂。
6.权利要求1-5任一项所述的除草组合物用于作物田防除不希望的杂草的的用途。
7.根据权利要求6所述的用途,其特征在于,所述不希望的杂草包括禾本科杂草,阔叶杂草、莎草科杂草。
8.根据权利要求6或7所述的用途,其特征在于,所述不希望的杂草为稗草、马唐。
9.权利要求1-5任一项所述的除草组合物用于作物田防除不希望的杂草的方法,其特征在于,将所述除草组合物与不希望的杂草接触。
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