CN1977603A - 一种除草剂组合物 - Google Patents
一种除草剂组合物 Download PDFInfo
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- CN1977603A CN1977603A CN 200510126292 CN200510126292A CN1977603A CN 1977603 A CN1977603 A CN 1977603A CN 200510126292 CN200510126292 CN 200510126292 CN 200510126292 A CN200510126292 A CN 200510126292A CN 1977603 A CN1977603 A CN 1977603A
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- herbicidal composition
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Abstract
本发明提供了一种除草剂组合物，包含磺酰脲类除草剂和均三氮苯类除草剂作为活性成分。本发明所述的除草剂组合物杀草谱广，安全性高，对杂草防除增效作用显著。
Description
技术领域
本发明涉及农药领域，具体地涉及一种除草剂组合物。
背景技术
由于跟农作物争光和争水肥，农田杂草每年给农作物生产造成很大损失。目前，防治农田杂草的方法主要是喷洒农药。
莠去津属于均三氮苯类除草剂，英文通用名为Atrazine，化学名称是2-氯-4-乙胺基-6-异丙氨基-1，3，5，-三嗪，是一种选择性土壤处理剂和茎叶除草剂，它通过抑制植物的光合作用使之死亡。缺点是除草范围窄，不易分解，使用后容易对下茬作物产生药害。
甲酰胺磺隆属于磺酰脲类除草剂，英文通用名为Foramsulfuron，化学名称是1-(4，6-二甲氧基嘧啶-2-基)-3-(2-二甲基氨基羰基-5-甲酰基氨基苯基磺酰基)脲，是一种选择性茎叶除草剂，它通过抑制乙酰乳酸合酶来杀死杂草。缺点是见效慢，除草范围相对较窄。
因此，需要研制防治效果更好且防治谱更广的除草剂。
发明内容
(一)要解决的技术问题
本发明的目的是提供一种具有更广的防治谱和更好的防治效果的除草剂。
(二)技术方案
本发明所述的除草剂组合物，包含磺酰脲类除草剂和均三氮苯类除草剂作为活性成分。其中，磺酰脲类除草剂选自玉嘧磺隆、噻磺隆、烟嘧磺隆、甲酰胺磺隆以及其它磺酰脲类除草剂中的一种，均三氮苯类除草剂选自莠去津、草净津及其它均三氮苯类除草剂中的一种。
本发明所述的除草剂组合物，活性成分在除草组合物中的重量百分含量为0.01-90％。优选地，活性成分在除草组合物中的重量百分含量为0.1-50％。
优选地，本发明所述的除草剂组合物，包含甲酰胺磺隆和莠去津作为活性成分。其中，甲酰胺磺隆和莠去津的重量为：0.2-50％∶1-90％。优选地，甲酰胺磺隆和莠去津的重量份数为：0.2-10％∶5-50％。
本发明所述的除草剂组合物，剂型为乳油、可湿性粉剂、粒剂、可溶性粉剂、水分散粒剂、水悬浮剂、水乳剂、微乳剂、乳剂、干悬剂、油悬浮乳剂。优选地，剂型为可湿性粉剂、水悬乳剂、干悬剂、油悬浮剂。
这些制剂可以用已知的方式制备，将活性成分与辅料混合。
适合用于此目的的辅料包括：
溶剂：芳香族化合物(例如二甲苯)，氯代芳族化合物(例如氯苯)，石蜡(例如石油馏份)，醇类(例如甲醇、丁醇)，酮类(例如环已酮)，胺类(例如乙醇胺、二甲基甲酰胺)，水；
载体：研碎的天然矿物质(例如高岭土、矾土、滑石、白垩)，研碎的合成矿物质(例如高分散的硅酸、硅酸盐)；
乳化剂：非离子乳化剂(例如聚氧乙烯脂肪醇醚)，阴离子乳化剂(例如烷基磺酸盐和芳基磺酸盐)；
分散剂：木素亚硫酸盐废液，甲基纤维素。
表面活性剂：芳族磺酸(例如木素磺酸、苯酚磺酸、萘磺酸和二丁基萘磺酸)，脂肪酸的碱金属、碱土金属和铵盐，烷基磺酸盐，烷基芳基磺酸盐，烷基硫酸盐，月桂基醚硫酸，脂肪醇硫酸盐，硫酸化的十六、十七、十八醇，脂肪醇醚的盐，磺化萘及其衍生物与甲醛的缩合产物，萘或萘磺酸与苯酚和甲醛的缩合产物，聚氧乙烯辛基酚醚，乙氧基烷化的异辛基、辛基、壬基酚，烷基苯酚，三丁基苯基聚乙二醇醚，烷基芳基聚醚醇，异三癸基醇和脂肪醇与环氧乙烷的缩合物，乙氧基化蓖麻油，聚氧乙烯烷基醚，聚氧丙烯烷基醚，月桂醇聚乙二醇醚乙酸酯，失水山梨醇酯，木素亚硫酸盐废液，甲基纤维素；
固体载体：矿石土(如硅胶、硅酸、硅酸盐、滑石、高岭土、石灰石、石灰、白垩、红玄武土、黄土、陶土、白云石、硅藻土、硫酸钙和硫酸镁、氧化镁)，研碎的合成材料，化肥(如硫酸铵、磷酸铵、硝酸铵、尿素)，植物产物(如面粉、树皮粉、木粉和坚果壳粉、纤维素粉)，以及其它固体载体。
含水的剂型可以通过加水来制备，例如由乳油、分散液、膏剂、可湿性粉剂、泡腾剂或水可分散颗粒剂制备。
制备乳剂、膏剂、油分散液或液态水面漂浮剂时，通过加入润湿剂、粘合剂、分散剂或乳化剂，将物质于水中均质化，或溶于油及其它溶剂中。
也可以制备由活性物质、润湿剂、粘合剂、分散剂或乳化剂和可能的溶剂或油组成的浓缩物，该浓缩物适合于用水稀释。
粉剂、撒施粉剂、泡腾剂、固态水面漂浮剂组合物可以通过将活性物质与固体载体混合或一起研磨来制备。
颗粒剂(例如涂敷、浸渍或均质颗粒剂)可以通过将活性成分粘合到固体载体上而制备。
本发明所述的除草剂组合物中的活性化合物浓度可以在相对宽的范围内变化。
本发明所述的除草剂组合物的施用剂量，根据作物种类、施用时间、气候条件等因素的具体情况来定，一般为400g/亩，优选地为200g/亩。一般采用叶面施用，例如叶面喷雾处理。施用时必须保证分散尽可能的细微和均匀。
本发明所述的除草剂组合物的使用方法是：将所述组合物直接喷洒或兑水、植物油和/或矿物油喷洒或与其他杀虫剂、杀菌剂、除草剂、植物生长调节剂、肥料混合施用。
本发明所述的除草组合物可以广泛应用于玉米作物大田中防除一年生及多年生禾禾本科杂草和阔叶杂草，如稗草、绿苋、反枝苋、麦瓶草、蓼草等，但不局限于上述杂草。
(三)有益效果
本发明所述的除草剂组合物与现有技术相比有如下优点：
1.杀草谱广：该除草剂组合物可以广泛应用于玉米作物大田中防除禾本科杂草和阔叶杂草，如稗草、绿苋、反枝苋、麦瓶草、蓼草等；
2.安全性高：该除草剂组合物毒性低，弱致敏，对作物、人畜的毒害低。可以在不伤害作物的情况下，安全地防除杂草。
3.对杂草防除增效作用显著：该除草剂组合物为复合制剂，两种活性成分的使用量均比单一使用时降低，从而提高了除草效果、降低了成本，减少了环境污染。
具体实施方式
以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例1 制备活性成分含量为20％的乳油制剂
称取甲酰胺磺隆和莠去津溶解于二甲苯和二甲基甲酰胺中，然后加入乳化剂农乳2201，搅拌均匀，即制得所述的乳油。
具体配比为：
原料 用量(重量份)
甲酰胺磺隆 0.5
莠去津 19.5
农乳2201 10
二甲苯 50
二甲基甲酰胺 20
实施例2 制备活性成分含量为30％的乳油制剂
称取活性成分烟嘧磺隆和莠去津溶解于二甲苯和甲基甲酰胺中，然后再加入乳化剂农乳2201，搅拌均匀，即制得所述的乳油。
具体配比为：
原料 用量(重量份)
烟嘧磺隆 1
莠去津 29
农乳2201 10
二甲苯 40
二甲基甲酰胺 20
实施例3 制备活性成分含量为50％的乳油制剂
称取活性成分甲酰胺磺隆和氰草津溶解于二甲苯和甲基甲酰胺中，然后再加入乳化剂农乳2201，搅拌均匀，即制得所述的乳油。
具体配比为：
原料 用量(重量份)
甲酰胺磺隆 2
氰草津 48
农乳2201 10
二甲苯 20
二甲基甲酰胺 20
实施例4 制备活性成分含量为20％的油悬乳剂
称取活性成分甲酰胺磺隆和莠去津，加入植物油和辅助成分，经过球磨、砂磨处理，即制得所述的油悬乳剂。
具体配比为：
原料 用量(重量份)
甲酰胺磺隆 0.5
莠去津 19.5
木素磺酸 20
乳化剂1601 10
植物油 加至100
实施例5 制备活性成分含量为20％的水悬乳剂
称取活性成分甲酰胺磺隆和氰草津，加入水和辅助成分，经过球磨、砂磨处理，即制得所述的水悬乳剂。
具体配比为：
原料 用量(重量份)
甲酰胺磺隆 0.5
氰草津 19.5
月桂基醚硫酸 20
乳化剂1601 10
水 加至100
实施例6 制备活性成分含量为20％的可湿性粉剂
称取活性成分甲酰胺磺隆和莠去津，加入填料和上述加工辅助成分，经过气流粉碎处理，即制得所述的可湿性粉剂。
原料 用量(重量份)
甲酰胺磺隆 0.5
莠去津 19.5
聚氧乙烯辛基酚醚 5
聚氧乙烯脂肪醇醚 8
填料 加至100
实施例7 制备活性成分含量为20％的干悬剂
称取活性成分甲酰胺磺隆和氰草津，加入填料和上述加工辅助成分，经过气流粉碎、干燥制粒处理，即制得所述的干悬剂。
原料 用量(重量份)
甲酰胺磺隆 0.5
氰草津 19.5
三丁基苯基聚乙二醇醚 5
农乳2201 8
高岭土 加至100
实验例1 甲酰胺磺隆与莠去津组成制剂的药效试验
玉米在3-4叶期，杂草在2-3叶期施药，用药后30天调查株防效结果如下：
| 药剂名称 | 有量克/亩 | 马唐 | 牛筋草 | 稗草 | 马齿苋 | 铁苋菜 | |||||
| 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | ||
| 实施例1得到的制剂 | 150 | 3 | 96.9 | 0 | 100 | 3.2 | 94.7 | 2 | 82.4 | 2 | 84.8 |
| 实施例4得到的制剂 | 250 | 8 | 91.2 | 2.2 | 93.7 | 5.8 | 90.5 | 2 | 83.1 | 2 | 83.3 |
| 实施例6得到的制剂 | 250 | 1.5 | 98.4 | 0 | 100 | 2.4 | 96.1 | 2 | 85.8 | 1 | 86.2 |
| CK | 96 | 36 | 61 | 12 | 11 | ||||||
实验例2 甲酰胺磺隆与氰草津组成制剂的药效试验
玉米在3-4叶期，杂草在2-3叶期施药，用药后30天调查株防效结果如下：
| 药剂名称 | 有量克/亩 | 马唐 | 牛筋草 | 稗草 | 马齿苋 | 铁苋菜 | |||||
| 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | 株/m2 | 防效(％) | ||
| 实施例3得到的制剂 | 150 | 2 | 97 | 0 | 100 | 3 | 95 | 2 | 85.6 | 1.5 | 84.8 |
| 实施例5得到的制剂 | 250 | 6 | 90.2 | 2 | 93.7 | 6 | 90.5 | 2 | 84.3 | 2 | 82.7 |
| 实施例7得到的制剂 | 250 | 2 | 97.4 | 0 | 100 | 2. | 96.6 | 2 | 88.6 | 1 | 88.2 |
| CK | 96 | 36 | 61 | 12 | 11 | ||||||
Claims (10)
1、一种除草剂组合物，其特征在于包含磺酰脲类除草剂和均三氮苯类除草剂作为活性成分。
2、如权利要求1所述的除草剂组合物，其特征在于磺酰脲类除草剂选自玉嘧磺隆、噻磺隆、烟嘧磺隆、甲酰胺磺隆以及其它磺酰脲类除草剂中的一种。
3、如权利要求1所述的除草剂组合物，其特征在于均三氮苯类除草剂选自莠去津、草净津及其它均三氮苯类除草剂中的一种。
4、如权利要求1所述的除草剂组合物，其特征在于活性成分在除草组合物中的重量百分含量为0.01-90％。
5、如权利要求1所述的除草剂组合物，其特征在于活性成分在除草组合物中的重量百分含量为0.1-50％。
6、如权利要求1-5之任一所述的除草剂组合物，其特征在于包含甲酰胺磺隆和莠去津作为活性成分。
7、如权利要求1所述的除草剂组合物，其特征在于剂型为乳油、可湿性粉剂、粒剂、可溶性粉剂、水分散粒剂、水悬浮剂、水乳剂、微乳剂、乳剂、干悬剂、油悬浮乳剂。
8、如权利要求1所述的除草剂组合物，其特征在于剂型为可湿性粉剂、水悬乳剂、干悬剂、油悬浮乳剂。
9、如权利要求1所述的除草组合物的用途，其特征在于在防治玉米田一年生及多年生禾本科和阔叶杂草上使用所述的除草组合物。
10、如权利要求1所述的除草组合物的使用方法，其特征在于将所述组合物直接喷洒或兑水、植物油和/或矿物油喷洒或与其他杀虫剂、杀菌剂、除草剂、植物生长调节剂、肥料混合施用。
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101926349A (zh) * | 2010-09-13 | 2010-12-29 | 尹小根 | 一组含有酰嘧磺隆与莠去津的除草组合物 |
| CN101961022A (zh) * | 2010-09-16 | 2011-02-02 | 合肥星宇化学有限责任公司 | 一种用于玉米地的除草组合物 |
| CN102027977A (zh) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | 一种含玉嘧磺隆与莠去津的增效除草组合物及其应用 |
| CN102976860A (zh) * | 2012-12-26 | 2013-03-20 | 李成国 | 一种玉米苗后复合除草剂及其应用 |
| CN101743988B (zh) * | 2010-01-25 | 2013-06-19 | 陕西上格之路生物科学有限公司 | 一种玉米田除草剂组合物 |
| CN103181312A (zh) * | 2011-12-30 | 2013-07-03 | 河南金苑种业有限公司 | 玉米种植的施药方法 |
| CN104488934A (zh) * | 2014-11-27 | 2015-04-08 | 广东中迅农科股份有限公司 | 一种含有甲酰胺磺隆的除草组合物 |
| CN105211087A (zh) * | 2015-09-30 | 2016-01-06 | 河南科技学院 | 一种含有氟胺磺隆和莠去津的除草组合物及其应用 |
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| CN1187298A (zh) * | 1998-01-19 | 1998-07-15 | 张家口市宣化农药厂 | 一种复合除草剂 |
| CN1537428A (zh) * | 2003-10-22 | 2004-10-20 | 河北宣化农药有限责任公司 | 一种除草剂组合物 |
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| CN102027977A (zh) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | 一种含玉嘧磺隆与莠去津的增效除草组合物及其应用 |
| CN101743988B (zh) * | 2010-01-25 | 2013-06-19 | 陕西上格之路生物科学有限公司 | 一种玉米田除草剂组合物 |
| CN101926349A (zh) * | 2010-09-13 | 2010-12-29 | 尹小根 | 一组含有酰嘧磺隆与莠去津的除草组合物 |
| CN101961022A (zh) * | 2010-09-16 | 2011-02-02 | 合肥星宇化学有限责任公司 | 一种用于玉米地的除草组合物 |
| CN103181312A (zh) * | 2011-12-30 | 2013-07-03 | 河南金苑种业有限公司 | 玉米种植的施药方法 |
| CN103181312B (zh) * | 2011-12-30 | 2015-03-25 | 河南金苑种业有限公司 | 玉米种植的施药方法 |
| CN102976860A (zh) * | 2012-12-26 | 2013-03-20 | 李成国 | 一种玉米苗后复合除草剂及其应用 |
| CN102976860B (zh) * | 2012-12-26 | 2014-06-04 | 李成国 | 一种玉米苗后复合除草剂及其应用 |
| CN104488934A (zh) * | 2014-11-27 | 2015-04-08 | 广东中迅农科股份有限公司 | 一种含有甲酰胺磺隆的除草组合物 |
| CN105211087A (zh) * | 2015-09-30 | 2016-01-06 | 河南科技学院 | 一种含有氟胺磺隆和莠去津的除草组合物及其应用 |
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