CN104798810A - 一种复配除草组合物及其制剂和使用方法 - Google Patents
一种复配除草组合物及其制剂和使用方法 Download PDFInfo
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- CN104798810A CN104798810A CN201510241063.0A CN201510241063A CN104798810A CN 104798810 A CN104798810 A CN 104798810A CN 201510241063 A CN201510241063 A CN 201510241063A CN 104798810 A CN104798810 A CN 104798810A
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- Prior art keywords
- butafenacil
- ammonium phosphine
- herbicidal composition
- careless ammonium
- preparation
- Prior art date
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Landscapes
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Abstract
本发明涉及一种复配除草组合物,用于防治抗性杂草,属于农药领域。所述复配除草组合物有效成分包括草铵膦和氟丙嘧草酯,还可以采用本组合物制备制剂;本发明还涉及采用所述组合物制备的制剂及其使用方法。本发明选用草铵膦与氟丙嘧草酯混配,对于防除田间抗性杂草具有很好活性,有效减少抗性杂草对田间作物的危害,提高农作物产量,提升品质。
Description
技术领域
本发明涉及一种复配除草组合物及其制剂和使用方法,属于农药领域。
背景技术
草铵膦是由赫斯特公司80年代开发成功,属广谱触杀型除草剂,内吸作用不强,与草甘膦杀根不同,草铵膦先杀叶,通过植物蒸腾作用可以在植物木质部进行传导,其速效性间于百草枯和草甘膦之间。
氟丙嘧草酯,通用名称:butafenacil,商品名称:Inspire,是先正达公司开发的非选择性尿嘧啶类除草剂。已在瑞士、美国、巴西、澳大利亚、日本、泰国、阿根廷等国家登记注册。其结构式为:
除草剂化学除草是农田杂草防除中最为经济、有效的手段。但长期连续高剂量地使用单一品种或单一作用方式的化学除草剂,容易造成杂草耐药和抗性演化等问题。除草剂化合物的合理复配或混配具有扩大杂草谱,提高防除效果,延缓杂草耐药性和抗药性的发生与发展等优点,是解决上述问题的最为有效的方法之一。
发明内容
本发明提供一种复配除草组合物,其有效成分包括草铵膦、氟丙嘧草酯;草铵膦、氟丙嘧草酯具有增效作用,对于防治抗性杂草具有极好活性。
本发明的技术方案为:
一种复配除草组合物,包含的有效成分为草铵膦与氟丙嘧草酯,草铵膦与氟丙嘧草酯重量配比为0.01-100:1;优选0.02-50:1;优选0.03-30:1;优选0.05-10:1;优选1-10:1;优选1-5:1。
采用所述复配除草组合物与至少一种制剂技术常用助剂混合,得到复配除草制剂。
所述制剂技术常用助剂包括液体载体、固体载体、分散剂、乳化剂、稳定剂、防冻剂、增稠剂及其它有益于有效成分在制剂中稳定和药效发挥的已知物质,优选农药中常用或允许使用的各种成分,具体成分和用量根据各种制剂不同的性能而定,通过试验确定。
适合制备本发明所述复配除草制剂的液体载体优选芳烃、脂肪烃,尤其优选极性溶剂,如醇类以及它们的醚和酯,此外还可选择植物油和甲基溶纤维;同时,不同液体的混合物也是适用的。
适合制备本发明所述复配除草制剂的固体载体优选硅藻土、硅酸铝镁、活性白土、高岭土、粘土、石膏、膨润土、白炭黑、轻质碳酸钙、石灰石、木屑、玉米淀粉、可溶性淀粉中的一种或多种。
适合制备本发明所述复配除草制剂的分散剂优选烷基萘磺酸盐、双(烷基)萘磺酸盐甲醛缩合物、萘磺酸甲醛缩合物、烷基酚聚氧乙烯基磷酸盐、烷基酚聚氧乙烯基醚甲醛缩合物硫酸盐、烷基酚聚氧乙烯醚磷酸酯、烷基酚聚氧乙烯醚、蓖麻油环氧乙烷加成物、环氧乙烷-环氧丙烷嵌段共聚物、烷基酚聚氧乙烯醚甲醛缩合污、辛基酚聚氧乙烯基醚硫酸盐和甲基纤维素。例如木质素磺酸钠、木质素磺酸钙、甲基萘磺酸钠甲醛缩合物、萘磺酸钠甲醛缩合污、亚甲基萘磺酸钠中的一种或多种。
适合制备本发明所述复配除草制剂的乳化剂优选阴离子和/或非离子型乳化剂,如烷基酚聚氧乙烯醚、烷基酚聚氧乙烯聚氧丙烯醚、苄基酚聚氧乙烯醚、聚氧乙烯脂肪酸酯、聚氧乙烯脂肪醇醚、聚氧乙烯脂肪胺、烷基酚聚乙二醇醚中的一种或多种。
其它添加剂,采用通常以助剂形式使用的羧甲基纤维素,乙二醇和丙二醇等。
所述复配除草组合物与制剂技术常用助剂可配制成农业上允许的任意剂型,本发明优选的剂型为液剂、可湿性粉剂、乳油、悬浮剂、油悬浮剂、微囊剂、微乳剂、水乳剂、悬浮乳剂、水分散粒剂、胶囊水悬混剂(ZC)、超低容量液剂、种衣剂。
对悬浮剂,使用的助剂有:分散剂、乳化剂、润湿剂、增稠剂、防腐剂、消泡剂和防冻剂;其中:分散剂选自聚羧酸盐、木质素磺酸盐、烷基萘磺酸盐;乳化剂选自农乳700#(通用名:烷基酚甲醛树脂聚氧乙烯醚)、农乳2201、斯盘-60#(通用名:山梨醇酐单硬脂酸酯)、乳化剂T-60(通用名:失水山梨醇单硬脂酸酯聚氧乙烯醚)、农乳1601#(通用名:苯乙基苯酚聚氧乙烯聚氧丙烯醚);润湿剂选自烷基酚聚氧乙烯基醚甲醛缩合物硫酸盐、烷基酚聚氧乙烯基醚磷酸酯、苯乙基酚聚氧乙烯基醚磷酸酯、烷基硫酸盐、烷基磺酸盐、萘磺酸盐、TERSPERSE2500(美国亨斯迈公司出品);增稠剂选自黄原胶、聚乙烯醇、膨润土、硅酸镁铝;防腐剂选自甲醛、苯甲酸、苯甲酸钠;消泡剂为有机硅类消泡剂;防冻剂选自乙二醇、丙二醇、甘油、尿素、无机盐类(如氯化钠)。
对可分散油悬浮剂,使用的助剂有:分散剂、乳化剂、润湿剂、增稠剂、防冻剂、稳定剂和分散介质;其中:分散剂选自聚羧酸盐、木质素磺酸盐、烷基萘磺酸盐(扩散剂NNO)、TERSPERSE2425;乳化剂选自BY(蓖麻油聚氧乙烯醚)系列乳化剂(BY-110、BY-125、BY-140)农乳700#(通用名:烷基酚甲醛树脂聚氧乙烯醚)、农乳2201、斯盘-60#(通用名:山梨醇酐单硬脂酸酯)、吐温-60#(通用名:失水山梨醇单硬脂酸酯聚氧乙烯醚)、农乳1601#(通用名:苯乙基苯酚聚氧乙烯聚氧丙烯醚)、TERSPERSE4894;润湿剂选自烷基酚聚氧乙烯基醚甲醛缩合物硫酸盐、烷基酚聚氧乙烯醚磷酸酯、苯乙基酚聚氧乙烯基醚磷酸酯、烷基硫酸盐、烷基磺酸盐、萘磺酸盐、TERSPERSE2500;增稠剂选自白炭黑、聚乙烯醇、膨润土、硅酸镁铝;防冻剂选自乙二醇、丙二醇、甘油、尿素、无机盐类(如氯化钠);稳定剂选自环氧大豆油、环氧氯丙烷、磷酸三苯酯;分散介质选自大豆油、菜籽油、玉米油、油酸甲酯、柴油、机油、矿物油。
对可湿性粉剂,使用的助剂有:分散剂、润湿剂和固体载体;其中:分散剂选自聚羧酸盐、木质素磺酸盐、烷基萘磺酸盐;润湿剂选自烷基硫酸盐、烷基磺酸盐、萘磺酸盐;固体载体选自硫酸铵、尿素、蔗糖、葡萄糖、硅藻土、高岭土、白炭黑、轻质碳酸钙、滑石粉、凹凸棒土、陶土。
对于水分散粒剂,使用的助剂有:分散剂、润湿剂、崩解剂、粘结剂和固体载体;其中:分散剂选自聚羧酸盐、木质素磺酸盐、烷基萘磺酸盐、烷基酚聚氧乙烯醚、EO/PO嵌段聚醚;润湿剂选自烷基硫酸盐、烷基磺酸盐、萘磺酸盐、木质素磺酸钠、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚;崩解剂选自硫酸铵、硫酸钠、氯化钠、氯化铵、尿素、蔗糖、葡萄糖、羧甲基纤维素、可溶淀粉、聚乙烯吡咯烷酮;粘结剂选自聚乙烯醇、可溶性淀粉、糊精、黄原胶、羧甲基(乙基)纤维素类;固体载体选自硅藻土、高岭土、白炭黑、轻质碳酸钙、滑石粉、凹凸棒土、陶土。
本发明还提供一种防治不希望有的植物的方法,包括将所述的复配除草组合物施用于不希望有的植物的生长场所和/或叶和/或茎上。
所述不希望有的植物为禾本科杂草、阔叶杂草及莎草科杂草。如繁缕属、豆瓣菜属、剪股颖属、马唐属、燕麦属、狗尾草属、欧白芥属、黑麦草属、茄属、雀麦属、看麦娘属、母菊属、茼麻属、黄花稔属、苍耳属、苋属、藜属、番薯属、茼蒿属、猪殃殃属、堇菜属和婆婆纳属。具体地,如扁杆藤草、牛毛毡、日本藨草、水莎草、碎米莎草、异型莎草、稗草、马唐、牛筋草、千金子、狗尾草、早熟禾、牛毛毡、萤蔺、鸭舌草、节节菜、水马齿、水车前、荆三棱、野慈姑、眼子菜、猪殃殃、荠菜、刺儿菜、苍耳、香附子、铁苋菜、藜、刺苋及枝苋、遏兰菜、唐松草、马齿苋等。
本发明的有效成分还可以与一种或多种其它除草剂联合施用以控制更广范围的不期望的植被。当与其它除草剂联合使用时,有效成分可以与其它除草剂配制、或与其它除草剂相续施用。本发明的有效成分与下述除草剂混配同样可以取得增效的技术效果;草铵膦、氟丙嘧草酯和其他种类除草剂施用的质量比为100-1:100-1:100-1。
上述可以与本发明的有效成分联合使用的其他种类除草剂包括:2,4-D,刈草胺,三氟羧草醚,苯草醚,甲草胺,磺氨磺隆氯氨吡啶酸,氨基三唑,硫氰酸铵,四唑磺隆,呋草磺,苄嘧磺隆,噻草平,杀草丹,苯并双环酮,吡草酮,治草醚,双草醚,除草定,溴丁酰草胺,溴苯腈,地乐胺,苯酮唑,长杀草,唑草酯,氯甲丹,氯嘧磺隆,氯苯胺灵,醚磺隆,烯草酮,炔草酯-炔丙基,异噁草酮,稗草胺,二氯吡啶酸,氯酯磺草胺(cloransulam-methyl),苄草隆,环丙磺隆,噻草酮,氰氟草丁酯,香草隆,麦草畏,敌草腈,精2,4-滴丙酸,唑嘧磺胺,吡氟酰草胺,二氟吡隆,哌草丹,戊草津,二甲吩草胺,精二甲吩草胺,敌草快,氟硫草定,敌草隆,禾草畏,乙氧嘧磺隆,乙氧苯酰草,噁唑禾草灵,乙基噁唑禾草灵,四唑草,啶嘧磺隆,双氟磺草胺,吡氟禾草灵,丁基精吡氟禾草灵,氟吡磺隆,氟噻草胺,氟哒嗪草乙酯,氟唑啶草,氟烯草酸-戊基酯,丙炔氟草胺,伏草隆,氟啶磺隆,氟草烟,氟磺胺草醚,甲酰胺磺隆,fumiclorac,草甘膦,吡氯磺隆,甲基氟吡禾灵,精氟吡禾灵,咪草酯,咪草啶酸,甲咪唑烟酸,灭草烟,灭草喹,咪草烟,啶咪磺隆,茚草酮,碘磺隆,碘苯腈,,异丙隆,异噁酰草胺,异噁氟草酮,乳氟禾草灵,MCPA,MCPB,精2甲4氯丙酸,苯噻酰草胺,甲基二磺隆,甲基磺草酮,噁唑酰草胺,异丙甲草胺,唑草磺胺,甲磺隆,草达灭,单嘧磺隆,MSMA,敌草胺,烟嘧磺隆,达草灭,OK-9701,orthosulfamuron,黄草消,炔丙噁唑草,噁草灵,乙氧氟草醚,百草枯,胺硝草,戊噁唑草,烯草胺,氨氯吡啶酸,氟吡草胺,哌草磷,冰草胺,氟嘧磺隆,环苯草酮,毒草安,敌稗,异丙草胺,炔苯酰草胺,苄草丹,氟丙磺隆,双唑草腈,氟唑草乙酯,pyrazogyl,吡唑特,吡嘧磺隆,苄草唑,嘧苯草肟,pyrabuticarb,环酯草醚,嘧草醚,pyroxsulam,二氯喹啉酸,灭藻醌,喹禾灵-乙基-D,saflufenacil,稀禾定,西玛津,西草净,s-异丙甲草胺,磺草酮,磺胺草唑,草硫膦,tefuryltrione,tembotrione,特草定,噻醚草胺,噻草啶,禾草丹,绿草定,氟乐灵,抗倒酯和三氟甲磺隆。
有效成分在本发明的复配除草制剂中的浓度通常为0.001-98wt%,优选使用0.01-90wt%的浓度。在设计用作浓缩物的制剂中,有效成分的存在浓度通常为5-98wt%,优选10-90wt%,更优选5-75wt%。
与现有技术相比,本发明的有益效果为:
(1)本发明选用草铵膦与氟丙嘧草酯混配,对于防除田间抗性杂草具有很好活性,有效减少抗性杂草对田间作物的危害,提高农作物产量,提升品质。
(2)草铵膦为茎叶处理剂,作用速度快;氟丙嘧草酯既可芽前除草,又可芽后除草,芽后除草对禾本科和阔叶类杂草都有效,防治谱与草铵膦有一定互补;两者混用有助于降低各成分的用量,减少对环境的污染。
具体实施方式
下面结合实施应用例对本发明进一步说明。
实施应用例1:
草铵膦、氟丙嘧草酯混配对杂草的活性测定试验报告。
1 试验条件
1.1 供试靶标
稗草(Echinochloa crus-galli)、反枝苋(Amaranthus retroflexus),2009年采自山东省黄岛区试验基地玉米田。
上述杂草采用盆栽法培养。用180*140mm塑料营养钵,摆放于搪瓷盘中,内装从农田采回经风干过筛的表层土壤(4/5处),土壤湿度初期均控制在20%,挑选籽粒饱满均一的杂草种子,用25℃温水浸泡6小时,在28℃生化培养箱(黑暗)中催芽,将刚刚露白的杂草种子均匀摆放在土壤表面,然后覆土0.7cm。药剂处理后置于可控日光温室内培养,定期在搪瓷盘中加入一定量的水,保持土壤湿润。
1.2 培养条件
在可控日光温室内进行,温度18~30℃,自然光照,相对湿度57%~72%。
土壤类型为壤土,有机质含量为1.63%,pH=7.1,碱解氮84.3mg/kg,速效磷38.5mg/kg,速效钾82.1mg/kg。
1.3 仪器设备
3WP-2000型行走式喷雾塔,农业部南京农业机械研究所。GA110型万分之一电子天平(德国);ZDR2000智能数据记录仪(杭州泽大仪器有限公司);SPX型智能生化培养箱(宁波江南仪器厂)。
2.试验设计
2.1试剂
2.1.1 试验药剂
95%草铵膦(Glufosinate)原药(永农生物科学有限公司提供);
96%氟丙嘧草酯(Butafenacil)原药(瑞士先正达公司提供)。
由于两种药剂均溶于丙酮,因此,两种原药均采用丙酮作溶剂,用含量0.1%乳化剂T-80水溶液稀释,现用现稀释。
2.2 试验处理
2.2.1 剂量设置
在确定草铵膦与氟丙嘧草酯各组分配比或含量时,应从两种药剂的作用特点及其毒力等衡量,还要考虑该配方的主要使用目的。草铵膦为茎叶处理剂,作用速度快。氟丙嘧草酯既可芽前除草,又可芽后除草,芽后除草对禾本科和阔叶类杂草都有效,防治谱与草铵膦有一定互补。两者混用有助于降低各成分的用量,减少对环境的污染。本研究在前期预试的基础上,设草铵膦、氟丙嘧草酯单用及混合用量分别见表1,共设计15组。以不含药剂、含相同溶剂及乳化剂的水作为空白对照。
2.2.2 试验重复
每处理重复4次,每次每处理3盆,每盆播种杂草种子20粒,每处理共60株。
2.3 处理方式
2.3.1 处理时间和次数
试验共用药1次。待杂草2叶1心期,间苗,保持每盆内杂草15株,每处理保留45株,然后继续培养至稗草4叶1心期、反枝苋4片真叶期进行处理。
2.3.2 使用器械和用药方法
将培养好的试材均匀摆放在面积0.5m2的平台上,用3WP-2000型行走式喷雾塔茎叶喷雾,喷液量按30公斤/公顷计。喷雾压力0.3MPa。待全部药液喷完后,关闭气阀,30秒后,打开喷雾塔门,取出营养钵。然后打开气阀,喷清水50ml,清洗喷液管。
3 试验方法
采用盆栽法。杂草培养见2.1,参照《农药室内生物测定试验准则除草剂》进行。用药方法见3.3.2,采用茎叶处理法。
4 数据调查与统计分析
4.1 调查方法
采用绝对数调查法,用刀片沿土壤表面切断存活杂草整株幼苗,用分析天平称量杂草鲜重。对于已经死亡的杂草,按鲜重为零计。
4.2 调查时间和次数
处理后20天调查,共调查1次。
4.3 数据统计分析
用Gowing法计算各处理混合组合的理论鲜重抑制率(E0=X+Y-X*Y/100),然后与实测抑制率(E)相比较,评价二者混用对杂草的联合作用类型,当E-E0值大于10%为增效作用、小于-10%为拮抗作用、在-10%~10%之间为加成作用。并根据实际防效和除草剂特点、配方的平衡性等因素确定最佳配比。
式中X为草铵膦用量为P时的鲜重抑制率;Y为氟丙嘧草酯用量为Q时的鲜重抑制率。
统计结果见表1。
5 结果分析与讨论
5.1 药剂评价
联合作用类型:试验结果表明(表1),草铵膦与氟丙嘧草酯混用各组合处理对2种杂草的抑制率E-E0值≥0,表现出一定的增加药效趋势。
最佳配比确定:从表1可以看出,氟丙嘧草酯对反枝苋的防效略高于稗草。9个配比中,综合对2种杂草的整体防效,氟丙嘧草酯+草铵膦用量为600+150及以上所有组合防效均可满足对两种杂草的防效。对稗草,低剂量组合表现为增效作用,高剂量组合表现为加和作用;对反枝苋,所有组合表现为加和作用。可以看出,二者的配比范围较广,当氟丙嘧草酯用量低时,草铵膦高用量弥补,反之亦然。从成本、防效、杀草谱和配方的平衡性等考虑,草铵膦与氟丙嘧草酯在1-5:1范围及附近混用较为适宜。
选择制剂的配比范围和含量要适当考虑加工的剂型,若加工成可分散油悬浮剂,制剂的总含量不宜过高,否则黏度太大,难以加工,一般选择相对较小的配比范围。若两药剂加工成可湿性粉剂、水分散性粒剂或水悬浮剂,配比范围可更宽泛。
表1:草铵膦、氟丙嘧草酯混用对杂草的联合作用效应(Gowing法)
实施应用例2:
为了更好地理解本发明,以下结合实施例具体说明本发明的技术内容,下列实施例中的百分比均为质量百分比。
实施例1:水悬浮剂
20%草铵膦+10%氟丙嘧草酯水悬浮剂
配方组成为:20%草铵膦+10%氟丙嘧草酯+2%苯乙基酚聚氧乙烯醚磷酸酯三乙醇胺盐+2%梳状聚羧酸盐类分散剂+2%壬基酚聚氧乙烯醚+5%乙二醇+0.18%黄原胶+0.1%消泡剂+水补足
加工设备:真空泵,配料釜,胶体磨,砂磨机,储罐。
加工过程:将原药、助剂、乙二醇、黄原胶、消泡剂、水投入配料釜中,搅拌均匀,过胶体磨,之后三级砂磨,取样化验合格后,转移至储罐灌装。
实施例2:水悬浮剂
20%草铵膦+5%氟丙嘧草酯水悬浮剂
配方组成为:20%草铵膦+5%氟丙嘧草酯+3%苯乙基酚聚氧乙烯醚磷酸酯三乙醇胺盐+2%萘磺酸盐类分散剂+2%脂肪醇聚氧乙烯醚+5%乙二醇+0.22%黄原胶+0.1%消泡剂+水补足
加工设备:真空泵,配料釜,胶体磨,砂磨机,储罐。
加工过程:将原药、助剂、乙二醇、黄原胶、消泡剂、水投入配料釜中,搅拌均匀,过胶体磨,之后三级砂磨,取样化验合格后,转移至储罐灌装。
表2 水悬浮剂主要技术指标
实施例3:可分散油悬浮剂
5%草铵膦+20%氟丙嘧草酯可分散油悬浮剂
配方组成为:5%草铵膦+20%氟丙嘧草酯+5%苯乙基酚聚氧乙烯醚磷酸酯三乙醇胺盐+8%蓖麻油聚氧乙烯醚+3%油酸聚氧乙烯酯+2.2%有机膨润土+2%气相法白炭黑+10%豆油+混合脂肪酸甲酯补足
加工设备:真空泵,配料釜,胶体磨,砂磨机,储罐。
加工过程:将原药、助剂、有机膨润土、气相法白炭黑、豆油、混合脂肪酸甲酯投入配料釜中,搅拌均匀,过胶体磨,之后三级砂磨,取样化验合格后,转移至储罐灌装。
实施例4:可分散油悬浮剂
10%草铵膦+5%氟丙嘧草酯可分散油悬浮剂
配方组成为:10%草铵膦+5%氟丙嘧草酯+5%壬基酚酚聚氧乙烯醚磷酸酯三乙醇胺盐+6%油酸聚氧乙烯酯+4%壬基酚聚氧乙烯醚+2.6%有机膨润土+2%气相法白炭黑+15%豆油+混合脂肪酸甲酯补足
加工设备:真空泵,配料釜,胶体磨,砂磨机,储罐。
加工过程:将原药、助剂、有机膨润土、气相法白炭黑、豆油、混合脂肪酸甲酯投入配料釜中,搅拌均匀,过胶体磨,之后三级砂磨,取样化验合格后,转移至储罐灌装。
表3 可分散油悬浮剂主要技术指标
实施例5:可湿性粉剂
40%草铵膦+10%氟丙嘧草酯可湿性粉剂
配方组成为:40%草铵膦+10%氟丙嘧草酯+5%分散剂萘磺酸盐+5%润湿剂拉开粉+5%沉淀法白炭黑+煅烧高岭土补足
加工设备:机械粉碎机,气流粉碎机。
加工过程:将原药、助剂、白炭黑、高岭土等投入机械粉碎机中,机械粉碎后过气流粉碎机,取样化验合格后备用。
实施例6:可湿性粉剂
40%草铵膦+20%氟丙嘧草酯可湿性粉剂
配方组成为:40%草铵膦+20%氟丙嘧草酯+10%分散剂木质素磺酸钠+5%润湿剂拉开粉+5%沉淀法白炭黑+硅藻土补足
加工设备:机械粉碎机,气流粉碎机。
加工过程:将原药、助剂、白炭黑、硅藻土等投入机械粉碎机中,机械粉碎后过气流粉碎机,取样化验合格后备用。
表4 可湿性粉剂主要技术指标
实施例7:水分散粒剂
50%草铵膦+10%氟丙嘧草酯水分散粒剂
配方组成为:50%草铵膦+10%氟丙嘧草酯水分散粒剂+10%梳状聚羧酸盐类分散剂+5%琥珀酸磺酸钠+2%崩解剂葡萄糖+煅烧高岭土补足
加工设备:机械粉碎机,气流粉碎机,犁刀式混合机,篮式造粒机,干燥箱,筛分机等。
加工过程:将上述物料混合经过机械粉碎,气流粉碎,之后加水捏合,造粒,干燥,最后筛分得到成品。
实施例8:水分散粒剂
50%草铵膦+15%氟丙嘧草酯水分散粒剂
配方组成为:50%草铵膦+15%氟丙嘧草酯+10%萘磺酸盐类分散剂+5%拉开粉+2%崩解剂硫酸铵+硅藻土补足
加工设备:机械粉碎机,气流粉碎机,犁刀式混合机,篮式造粒机,干燥箱,筛分机等。
加工过程:将上述物料混合经过机械粉碎,气流粉碎,之后加水捏合,造粒,干燥,最后筛分得到成品。
表5 水分散粒剂主要技术指标
实施应用例3:
草铵膦、氟丙嘧草酯复配组合物防治非耕地杂草田间药效试验
防治药剂:草铵膦、氟丙嘧草酯复配组合物,由青岛农冠农药有限责任公司研发生产;
对照药剂:200g/L草铵膦可溶性液剂(市购);100g/L氟丙嘧草酯乳油(市购)。
设人工除草和清水对照处理。
使用方法:每亩兑水30升后均匀喷雾于各小区内。
施药时间:杂草旺盛生长期,进行茎叶喷雾1次。
调查方法及药效计算:
调查杂草对象为:马唐、稗草、牛筋草、反枝苋、马齿苋、铁苋菜、藜、苘麻等杂草,调查施药后20天、40天对杂草的鲜重防效。
按下列公式计算鲜重防效。
表5 草铵膦·氟丙嘧草酯复配组合物防治非耕地杂草药效试验
上述表中仅详细列出稗草和马齿苋的具体数据,其中总体表示马唐、稗草、牛筋草、反枝苋、马齿苋、铁苋菜、藜、苘麻等杂草的统计平均值;由表5可知草铵膦、氟丙嘧草酯复配对非耕地的杂草有很好的防治效果,防效优于单剂防效,与对照药剂、相对于清水对照处理的之间差异显著,并且具有较好的速效性和持效性。
Claims (10)
1.一种复配除草组合物,其特征在于:有效成分包括草铵膦和氟丙嘧草酯。
2.根据权利要求1所述的复配除草组合物,其特征在于:草铵膦与氟丙嘧草酯的重量比为0.02-50:1。
3.根据权利要求2所述的复配除草组合物,其特征在于:草铵膦与氟丙嘧草酯重量比为0.05-10:1。
4.根据权利要求3所述的复配除草组合物,其特征在于:草铵膦与氟丙嘧草酯重量比为1-10:1。
5.根据权利要求3所述的复配除草组合物,其特征在于:草铵膦与氟丙嘧草酯重量比为1-5:1。
6.一种采用权利要求1-5任一所述复配除草组合物制得的复配除草制剂,包括至少一种制剂技术常用助剂,其特征在于:所述剂型为:液剂、可湿性粉剂、乳油、悬浮剂、油悬浮剂、微囊剂、微乳剂、水乳剂、悬浮乳剂、水分散粒剂、胶囊水悬混剂、超低容量液剂、种衣剂。
7.根据权利要求6所述的制剂,其特征在于:有效成分草铵膦和氟丙嘧草酯在制剂中的百分含量为0.001-90wt%。
8.根据权利要求6所述的制剂,其特征在于:浓缩制剂中,有效成分草铵膦和氟丙嘧草酯在制剂中的百分含量为10-90%。
9.根据权利要求6所述的制剂,其特征在于:浓缩制剂中,有效成分草铵膦和氟丙嘧草酯在制剂中的百分含量为5-75%。
10.一种根据权利要求1-5任一所述复配除草组合物的使用方法,其特征在于:将复配除草组合物施用于不希望有的植物的生长场所和/或叶和/或茎上。
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