CN107156188A - 防治水稻虫害的杀虫剂及其制备方法 - Google Patents

防治水稻虫害的杀虫剂及其制备方法 Download PDF

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CN107156188A
CN107156188A CN201710379852.XA CN201710379852A CN107156188A CN 107156188 A CN107156188 A CN 107156188A CN 201710379852 A CN201710379852 A CN 201710379852A CN 107156188 A CN107156188 A CN 107156188A
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江爱华
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Food Technology Co Ltd Yueqing Rui Yao
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Abstract

本发明公开了一种用于防治水稻虫害的杀虫剂及其制备方法,成分及其重量份为:氯氰菊酯20~30份、雷公藤生物碱10~15份、除虫菊8~12份、活性多肽5~10份、季戊四醇硬脂酸酯0.05~0.08份、间氨基苯甲酸乙酯甲磺酸盐0.1~0.2份、乳化剂2~8份、增稠剂0.1~0.5份、助溶剂5~10份、增效剂0.1~0.5份、水20~30份。有益效果为:本发明杀虫剂有效成分具有协同增效作用,防治效果高于单剂,可防治多种害虫;对害虫兼有速效和长效的功能,害虫对该药剂不易产生抗药性;有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染。

Description

防治水稻虫害的杀虫剂及其制备方法
技术领域
本发明涉及农药制作技术领域,尤其是涉及一种防治水稻虫害的杀虫剂及其制备方法。
背景技术
水稻是我国的主要粮食作物,在我国种植面积广泛,在全国多地均有种植。水稻病虫危害种类很多,目前已发现的虫害有250多种,危害比较严重的病虫害主要有稻飞虱、二化螟、稻纵卷叶螟、稻秆蝇、粘虫、纹枯病、稻瘟病、立枯病、细菌性条斑病等。一般从水稻播种到水稻收获需防治病虫害3-4次,尤其水稻分蘖后期及抽穗期是水稻虫害的防治关键。
为了方便和快捷,种植水稻的农户大都使用甲胺磷、辛硫磷杀螟松等杀虫剂,此类杀虫剂主要是用于防止水稻害虫的一类农药。目前,产品的品种多、产量居杀虫剂第一位且应用最广的一类杀虫剂是有机磷类杀虫剂,这类杀虫剂通常是用化学合成方法制成,虽然其具有杀虫快速的优点,但农药残留量大,长期食用施用过这类杀虫剂的食品会使人体产生慢性毒性,尤其是迟发性神经中毒等问题,已对人类的生存环境构成威胁;另外,化学制剂的广泛应用危害了生态农业,对土壤和水资源造成了严重的污染,严重不符合现代倡导的绿色、环保、健康和可持续发展的理念。
现有技术如授权公告号为CN 100379342 C的中国发明专利,公开了一类防治水稻害虫的复配杀虫剂,原料中含有以下重量百分比的原料药:醚菊酯0.5~20%、毒死稗2~50%、二嗪农2~50%、乳化剂5~15%、其余为溶剂。该杀虫剂具有杀虫效果明显,杀虫范围广等特点,但对有药物残留,对环境不友好。
发明内容
本发明的目的在于提供一种杀虫谱广、杀虫效果好、无药物残留、对环境无不良影响的防治水稻虫害的杀虫剂及其制备方法。
本发明针对上述技术中提到的问题,采取的技术方案为:防治水稻虫害的杀虫剂,成分及其重量份为:氯氰菊酯20~30份、雷公藤生物碱 10~15 份、除虫菊8~12份、季戊四醇硬脂酸酯0.05~0.08份、间氨基苯甲酸乙酯甲磺酸盐0.1~0.2份、乳化剂2~8份、增稠剂0.1~0.5份、增效剂0.1~0.5份、水20~30份。乳化剂为活性多肽;增稠剂为硅酸铝镁、黄原胶、羟甲基纤维素、聚丙烯酸中的一种或几种混合物;增效剂为质量比为1:0.5~2的辛基十二烷醇和甘油葡糖苷。活性多肽的氨基酸序列为:HSHAYSCRARRCGYYVSKAHCRRARRCGYYVSHRGRCYCRCLRCRVLHPGKLCVCVNCSR。杀虫剂有效成分在水中的分散度小,乳化剂活性多肽的加入提高了杀虫剂有效成分的分散度,增加了杀虫剂的品质,且该活性多肽具有一定的诱导性气味,增加了害虫对杀虫剂的摄入,大大提高了杀虫剂的作用效果。上述杀虫剂药有效成分具有明显的协同增效作用,防治效果高于单剂,一次施药可同时防治多种害虫,减少了用药量和施用次数,降低防治用工成本;对害虫兼有速效和长效的功能,不易产生抗药性;有效成分皆属于植物源,在自然环境中易于降解,无药物残留,对土壤无污染。
防治水稻虫害的杀虫剂的制备方法,制备步骤为:
按照配方量取氯氰菊酯、雷公藤生物碱、除虫菊、活性多肽、季戊四醇硬脂酸酯、间氨基苯甲酸乙酯甲磺酸盐、乳化剂、增稠剂、增效剂、水,投在密闭的调配釜中,搅拌混合均匀,造粒,在100℃~120℃条件下干燥至颗粒含水量为1~5%,筛分,粒度范围3000um~4000um,经检验合格后,即得防治水稻虫害的杀虫剂,该杀虫剂各有效成分之间具有明显的协同增效作用,防治效果高于单剂,达到一药多治的目的,一次施药可同时防治多种害虫,如稻飞虱、二化螟、稻纵卷叶螟、稻秆蝇、粘虫、稻叶蝉、稻蓟马、稻苞虫等,减少了稻农的用药量和施用次数,降低水稻防治虫害的用工成本;各有效成分灭杀害虫的原理不同,导致杀虫剂对害虫的作用点较多,对害虫兼有速效和长效的功能,使害虫对该药剂不易产生抗药性,同时也在一定程度上抑制了害虫对其他农药的抗性;杀虫剂的有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染,实现资源的循环利用,符合国家倡导的可持续发展理念;制备方法简单,生产成本低,可实现全自动化操作,简单培训后工人既能操作生产,适合工厂的扩大化生产。
与现有技术相比,本发明的优点在于:1)本发明杀虫剂各有效成分之间具有明显的协同增效作用,防治效果高于单剂,一次施药可同时防治多种害虫,减少了用药量和施用次数,降低水稻防治虫害的用工成本;2)对害虫兼有速效和长效的功能,使害虫对该药剂不易产生抗药性,同时也抑制了害虫对其他农药的抗性;3)杀虫剂的有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染;4)制备方法简单,生产成本低,可实现全自动化操作,适合工厂的扩大化生产。
具体实施方式
下面通过实施例对本发明作进一步说明:
实施例1:
防治水稻虫害的杀虫剂,成分及其重量份为:氯氰菊酯25份、雷公藤生物碱 15 份、除虫菊10份、季戊四醇硬脂酸酯0.06份、间氨基苯甲酸乙酯甲磺酸盐0.1份、乳化剂5份、增稠剂0.1份、增效剂0.2份、水30份。乳化剂为活性多肽;增稠剂为硅酸铝镁、黄原胶、羟甲基纤维素、聚丙烯酸中的一种或几种混合物;增效剂为质量比为1:1的辛基十二烷醇和甘油葡糖苷。杀虫剂有效成分在水中的分散度小,乳化剂活性多肽的加入提高了杀虫剂有效成分的分散度,增加了杀虫剂的品质,且该活性多肽具有一定的诱导性气味,增加了害虫对杀虫剂的摄入,大大提高了杀虫剂的作用效果。季戊四醇硬脂酸酯和间氨基苯甲酸乙酯甲磺酸盐可有效增强杀虫剂中有效成份对害虫的毒杀作用,缩短杀虫剂的作用时间。
防治水稻虫害的杀虫剂的制备方法,制备步骤为:
按照配方量取氯氰菊酯、雷公藤生物碱、除虫菊、活性多肽、季戊四醇硬脂酸酯、间氨基苯甲酸乙酯甲磺酸盐、乳化剂、增稠剂、增效剂、水,投在密闭的调配釜中,搅拌混合均匀,造粒,在110℃条件下干燥至颗粒含水量为1~5%,筛分,粒度范围3000um-4000um,经检验合格后,即得防治水稻虫害的杀虫剂,该杀虫剂各有效成分之间具有明显的协同增效作用,防治效果高于单剂,达到一药多治的目的,一次施药可同时防治多种害虫,如稻飞虱、二化螟、稻纵卷叶螟、稻秆蝇、粘虫、稻叶蝉、稻蓟马、稻苞虫等,减少了稻农的用药量和施用次数,降低水稻防治虫害的用工成本;各有效成分灭杀害虫的原理不同,导致杀虫剂对害虫的作用点较多,对害虫兼有速效和长效的功能,使害虫对该药剂不易产生抗药性,同时也在一定程度上抑制了害虫对其他农药的抗性;杀虫剂的有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染,实现资源的循环利用,符合国家倡导的可持续发展理念;制备方法简单,生产成本低,可实现全自动化操作,简单培训后工人既能操作生产,适合工厂的扩大化生产。
实施例2:
防治水稻虫害的杀虫剂,成分及其重量份为:氯氰菊酯25份、雷公藤生物碱 12份、除虫菊10份、季戊四醇硬脂酸酯0.07份、间氨基苯甲酸乙酯甲磺酸盐0.2份、乳化剂5份、增稠剂0.2份、增效剂0.5份、水30份。乳化剂为活性多肽;增稠剂为硅酸铝镁、黄原胶、羟甲基纤维素、聚丙烯酸中的一种或几种混合物;增效剂为质量比为1:2的辛基十二烷醇和甘油葡糖苷。杀虫剂有效成分在水中的分散度小,乳化剂活性多肽的加入提高了杀虫剂有效成分的分散度,增加了杀虫剂的品质,且该活性多肽具有一定的诱导性气味,增加了害虫对杀虫剂的摄入,大大提高了杀虫剂的作用效果。季戊四醇硬脂酸酯和间氨基苯甲酸乙酯甲磺酸盐可有效增强杀虫剂中有效成份对害虫的毒杀作用,缩短杀虫剂的作用时间。
防治水稻虫害的杀虫剂的制备方法,制备步骤为:
按照配方量取氯氰菊酯、雷公藤生物碱、除虫菊、活性多肽、季戊四醇硬脂酸酯、间氨基苯甲酸乙酯甲磺酸盐、乳化剂、增稠剂、增效剂、水,投在密闭的调配釜中,搅拌混合均匀,造粒,在120℃条件下干燥至颗粒含水量为1~5%,筛分,粒度范围3000um-4000um,经检验合格后,即得防治水稻虫害的杀虫剂,该杀虫剂各有效成分之间具有明显的协同增效作用,防治效果高于单剂,达到一药多治的目的,一次施药可同时防治多种害虫,如稻飞虱、二化螟、稻纵卷叶螟、稻秆蝇、粘虫、稻叶蝉、稻蓟马、稻苞虫等,减少了稻农的用药量和施用次数,降低水稻防治虫害的用工成本;各有效成分灭杀害虫的原理不同,导致杀虫剂对害虫的作用点较多,对害虫兼有速效和长效的功能,使害虫对该药剂不易产生抗药性,同时也在一定程度上抑制了害虫对其他农药的抗性;杀虫剂的有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染,实现资源的循环利用,符合国家倡导的可持续发展理念;制备方法简单,生产成本低,可实现全自动化操作,简单培训后工人既能操作生产,适合工厂的扩大化生产。
实施例3:
防治水稻虫害的杀虫剂,成分及其重量份为:氯氰菊酯30份、雷公藤生物碱 12 份、除虫菊11份、季戊四醇硬脂酸酯0.05份、间氨基苯甲酸乙酯甲磺酸盐0.2份、乳化剂3份、增稠剂0.2份、增效剂0.2份、水25份。乳化剂为活性多肽;增稠剂为硅酸铝镁、黄原胶、羟甲基纤维素、聚丙烯酸中的一种或几种混合物;增效剂为质量比为1:1.5的辛基十二烷醇和甘油葡糖苷。杀虫剂有效成分在水中的分散度小,乳化剂活性多肽的加入提高了杀虫剂有效成分的分散度,增加了杀虫剂的品质,且该活性多肽具有一定的诱导性气味,增加了害虫对杀虫剂的摄入,大大提高了杀虫剂的作用效果。季戊四醇硬脂酸酯和间氨基苯甲酸乙酯甲磺酸盐可有效增强杀虫剂中有效成份对害虫的毒杀作用,缩短杀虫剂的作用时间。
防治水稻虫害的杀虫剂的制备方法,制备步骤为:
按照配方量取氯氰菊酯、雷公藤生物碱、除虫菊、活性多肽、季戊四醇硬脂酸酯、间氨基苯甲酸乙酯甲磺酸盐、乳化剂、增稠剂、增效剂、水,投在密闭的调配釜中,搅拌混合均匀,造粒,在100℃条件下干燥至颗粒含水量为1~5%,筛分,粒度范围3000um-4000um,经检验合格后,即得防治水稻虫害的杀虫剂,该杀虫剂各有效成分之间具有明显的协同增效作用,防治效果高于单剂,达到一药多治的目的,一次施药可同时防治多种害虫,如稻飞虱、二化螟、稻纵卷叶螟、稻秆蝇、粘虫、稻叶蝉、稻蓟马、稻苞虫等,减少了稻农的用药量和施用次数,降低水稻防治虫害的用工成本;各有效成分灭杀害虫的原理不同,导致杀虫剂对害虫的作用点较多,对害虫兼有速效和长效的功能,使害虫对该药剂不易产生抗药性,同时也在一定程度上抑制了害虫对其他农药的抗性;杀虫剂的有效成分皆属于植物源,来源丰富且可再生,在自然环境中易于降解,无药物残留,对土壤无污染,实现资源的循环利用,符合国家倡导的可持续发展理念;制备方法简单,生产成本低,可实现全自动化操作,简单培训后工人既能操作生产,适合工厂的扩大化生产。
实施例4:
本发明实施例的实际应用效果:
选择品种、长势相同的80株水稻平均分为试验组和对照组两组,将本发明的杀虫剂与普通市售分别施于试验组与对照组,试验共调查3次,分别施药当天药前及施药后3d、7d进行调查。各调查采用随机5点取样,每点顺行连续调查,每株固定上、中、下部共3片叶,调查害虫数量,计算防治效果,结果如下表:
由上表可看出,相对于普通市售,本明的杀虫剂用于灭杀水稻害虫时,见效快、效果好。
本发明的操作步骤中的常规操作为本领域技术人员所熟知,在此不进行赘述。
以上所述的实施例对本发明的技术方案进行了详细说明,应理解的是以上所述仅为本发明的具体实施例,并不用于限制本发明,凡在本发明的原则范围内所做的任何修改、补充或类似方式替代等,均应包含在本发明的保护范围之内。
SEQUENCE LISTING
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<120> 防治水稻虫害的杀虫剂及其制备方法
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<170> PatentIn version 3.5
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<213> 人工合成
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Claims (6)

1.防治水稻虫害的杀虫剂,其特征在于:所述的杀虫剂成分及其重量份为:氯氰菊酯20~30份、雷公藤生物碱10~15 份、除虫菊8~12份、活性多肽5~10份、季戊四醇硬脂酸酯0.05~0.08份、间氨基苯甲酸乙酯甲磺酸盐0.1~0.2份、乳化剂2~8份、增稠剂0.1~0.5份、增效剂0.1~0.5份、水20~30份。
2.根据权利要求1所述的防治水稻虫害的杀虫剂,其特征在于:所述的乳化剂为活性多肽,该活性多肽的氨基酸序列为:HSHAYSCRARRCGYYVSKAHCRRARRCGYYVSHRGRCYCRCLRCRVLHPGKLCVCVNCSR。
3.根据权利要求1所述的防治水稻虫害的杀虫剂,其特征在于:所述的增稠剂为硅酸铝镁、黄原胶、羟甲基纤维素、聚丙烯酸中的一种或几种混合物。
4.根据权利要求1所述的防治水稻虫害的杀虫剂,其特征在于:所述的增效剂为质量比为1:0.5~2的辛基十二烷醇和甘油葡糖苷。
5.防治水稻虫害的杀虫剂的制备方法,其特征在于:所述的制备方法为:
按照配方量取氯氰菊酯、雷公藤生物碱、除虫菊、季戊四醇硬脂酸酯、间氨基苯甲酸乙酯甲磺酸盐、乳化剂、增稠剂、增效剂、水,投在密闭的调配釜中混合均匀,包膜法造粒,干燥,筛分,粒度范围3000um-4000um,经检验合格后,即得防治水稻虫害的杀虫剂。
6.根据权利要求5所述的防治水稻虫害的杀虫剂的制备方法,其特征在于:所述的干燥温度为100℃~120℃,干燥后颗粒含水量为1~5%。
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