CN1254181C - 一种苏云金芽孢杆菌生物农药泡腾片剂 - Google Patents
一种苏云金芽孢杆菌生物农药泡腾片剂 Download PDFInfo
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Abstract
一种苏云金芽孢杆菌(Bt)生物农药泡腾片剂，涉及一种生物农药剂型。本发明提供的Bt生物农药泡腾片剂由Bt生物农药原粉和辅料润湿剂、分散剂、崩解剂、粘结剂组成，成分为Bt生物农药原粉、木植素磺酸钠、硬脂酸、水杨酸、碳酸氢钠、淀粉，各成分的重量比依次为10～800∶0.3～30∶0.3～30∶0.1～90∶0.1～70∶0.2～50。使用时，Bt生物农药泡腾片剂在水中产生气泡，片剂逐渐崩解，崩解后Bt粉剂均匀地分散到水中。本发明毒力效价为16000-32000IU/mg，污染少，易于贮运，保质期长，使用简便。
Description
技术领域
本发明涉及一种生物农药剂型的制备，特别涉及苏云金芽孢杆菌生物农药。
背景技术
目前，苏云金芽孢杆菌(Bacillus Thuringiensis，Bt)生物农药主要有粉剂、可湿性粉剂、乳剂和水悬浮剂四种剂型。由于Bt生物农药中含有蛋白、孢子、发酵残留物等成分，所以乳剂和水悬浮剂容易腐败变质，导致保质期较短。而粉剂需要专用药械喷粉使用，很容易造成使用者的吸入，并发生粉剂漂移，污染环境。因此，Bt的乳剂、水悬浮剂和粉剂不受人们欢迎，在市场上十分少见。Bt可湿性粉剂较为常用，易溶于水，喷雾施用，但是，使用前需要将其倒入水中并搅拌溶解，很容易沾染到使用者的皮肤上。因此，Bt生物农药的新剂型亟待开发。
泡腾片剂是近年来出现的一种新剂型，主要由原药、润湿剂、分散剂、崩解剂和粘结剂组成，其特点是高效、污染少、贮运方便、使用简便，代表了农药新剂型和新使用技术的发展方向。《福建化工》(2000，2：P6-7)报道了化学农药如百菌清、禾草丹、二氯·卞和乙·西的泡腾片剂已研制成功。《农药》(2001，40，11：P9-11)报道了除虫脲泡腾片剂研制成功。但这些泡腾片剂都属于化学农药剂型，所含成分只限于化学范围。
发明内容
本发明提供一种生产Bt生物农药泡腾片剂的配方，增加一种Bt生物农药的剂型，使Bt污染少，易于贮运，保质期长，使用简便。
Bt生物农药泡腾片剂由Bt生物农药原粉和辅料润湿剂、分散剂、崩解剂、粘结剂组成，成分为Bt生物农药原粉、木植素磺酸钠、硬脂酸、水杨酸、碳酸氢钠、淀粉，各成分的重量比依次为10～800∶0.3～30∶0.3～30∶0.1～90∶0.1～70∶0.2～50。
其中木植素磺酸钠既可以起到润湿剂的作用，增加Bt的溶解度，又可以起到分散剂的作用，促进Bt的均匀分散；崩解剂碳酸氢钠和水杨酸起搅动和混匀作用；粘结剂淀粉使所有成分在压片时结合到一起。
本发明所获得产品为片剂，在水中产生气泡，片剂逐渐崩解，崩解后Bt粉剂均匀地分散到水中，既可喷雾施用于各种作物，也可直接抛施到水稻田中，不需专门的药械。
本产品的毒力效价为16000-32000IU/mg，保质期3年，常温密封保存。
具体实施方式
(1)表1成分称取原料
表1 Bt生物农药泡腾片剂成分(克)
(2)将上述原料混合均匀，用压片机压成片剂；
(3)密封包装，常温保存，保质期为3年。
Bt生物农药泡腾片的毒力效价为16000-30000IU/mg。使用时，可以投放到喷雾器中，用水崩解，片剂中的水杨酸和碳酸氢钠遇水后发泡，气泡推动泡腾片在水中游动，有效成分会迅速地分散到水中，形成均匀的悬浊液，再喷雾施用于各种作物。也可以将Bt生物农药泡腾片直接抛到水稻田里，崩解后有效成分能扩散到稻田的每一处。Bt生物农药泡腾片剂集生物农药和泡腾片剂的优点于一身，使用方便，易于计量，能够减少对操作者的沾染，对环境友好，对人、畜无毒无害，适用于粮食、棉花、蔬菜、瓜果、绿地及林木上100多种害虫的防治。
Claims (1)
1、一种苏云金芽孢杆菌生物农药泡腾片剂，其特征在于，Bt生物农药泡腾片剂由Bt生物农药原粉和辅料润湿剂、分散剂、崩解剂、粘结剂组成，成分为Bt生物农药原粉、木植素磺酸钠、硬脂酸、水杨酸、碳酸氢钠、淀粉，各成分的重量比依次为10～800∶0.3～30∶0.3～30∶0.1～90∶0.1～70∶0.2～50。
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| CN 200410009872 CN1254181C (zh) | 2004-11-25 | 2004-11-25 | 一种苏云金芽孢杆菌生物农药泡腾片剂 |
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| CN 200410009872 CN1254181C (zh) | 2004-11-25 | 2004-11-25 | 一种苏云金芽孢杆菌生物农药泡腾片剂 |
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| CN1631164A CN1631164A (zh) | 2005-06-29 |
| CN1254181C true CN1254181C (zh) | 2006-05-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TR201007613A2 (tr) * | 2010-09-16 | 2012-04-24 | Yed�Tepe �N�Vers�Tes� | Liyofilize biyopestisit efervesan granül ve üretim yöntemi |
| CN104012530A (zh) * | 2014-06-16 | 2014-09-03 | 中国烟草总公司陕西省公司 | 用于防治烟田土传病害的微生物分散片剂及其制备方法 |
| CN104560791B (zh) * | 2014-12-16 | 2017-05-10 | 华南农业大学 | 一株降解农药的苏云金芽孢杆菌及其应用 |
| CN104909889A (zh) * | 2015-06-01 | 2015-09-16 | 刘彬 | 一种具有提升地温功效的泡腾微生物肥料 |
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