CN106879625B - 一种能防治白蚁的惰性粉剂 - Google Patents

一种能防治白蚁的惰性粉剂 Download PDF

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CN106879625B
CN106879625B CN201710118284.8A CN201710118284A CN106879625B CN 106879625 B CN106879625 B CN 106879625B CN 201710118284 A CN201710118284 A CN 201710118284A CN 106879625 B CN106879625 B CN 106879625B
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黄求应
张祖斌
雷朝亮
李晶舰
高勇勇
李功春
余树信
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Huazhong Agricultural University
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Abstract

本发明涉及一种能防治白蚁的惰性粉剂,由质量比为99%‑99.9%的硅藻土和0.1%‑1%大蒜素粉剂混合而成。本发明惰性粉剂具有良好的吸附昆虫表皮脂类能力,与白蚁表皮接触后相互摩擦,使白蚁表皮受损,并在4‑5个小时内脱水死亡;本发明可有效阻隔白蚁危害建筑材料,将本发明均匀铺设3mm以上厚度的惰性粉剂,白蚁一旦接触本发明,行动严重受阻,无法穿透,只能原地转圈或打滚,随即死亡。本发明以硅藻土、大蒜素粉剂为原料对白蚁有较好的触杀和驱避效果,持效期长,对哺乳动物、水生动物和鸟类安全,在环境中容易降解,不污染环境;具有长效、无毒和环境友好,价格低廉,操作简便等特点,具有广阔的市场前景。

Description

一种能防治白蚁的惰性粉剂
技术领域
本发明涉及一种能防治白蚁的惰性粉剂。
背景技术
随着社会进步和人民生活水平的提高,人们开始对房屋进行大规模的装饰装修,这为白蚁的生存和繁殖提供了良好条件,房屋白蚁危害日益严重。目前主要使用化学农药防治室内装饰装潢中的白蚁,这对人居环境构成巨大安全威胁。开发高效、无毒和对环境友好的白蚁防治技术成为为室内装饰装潢白蚁防治的迫切需要。
硅藻土作为一种天然矿物质,在储粮害虫的防治上得到广泛利用。国内外有许多硅藻土的杀虫产品,如澳大利亚的干硅粉(Dryacide)和中国的普粮泰等。中国发明专利ZL03106957公开了一种《无毒防虫剂及其生产方法》,该无毒防虫剂主要成分由硅藻土组成,属于无毒、无残留防虫剂,在粮食防虫、杀虫方面具有良好的效果。但是到目前为止,未见硅藻土用于白蚁防治的专利报道。
中国发明专利ZL201410655651.4公开了一种《白蚁诱杀专用剂》,该专用剂由80%~95%滑石粉,氟虫胺1%~8%和氟虫腈1%~8%组成,对台湾乳白蚁和黄胸散白蚁有较好的防治效果。中国发明专利ZL 201310190493.5公开了一种《白蚁粉剂》,该粉剂的有效成分是氟虫腈,对白蚁有较好的防治效果。但是上述白蚁粉剂存在以下缺点:1、上述粉剂都添加了有机合成农药,对人体健康和环境安全构成威胁;2、上述粉剂添加有机合成农药后,生产成本提高,不利于产品的推广使用。
发明内容
本发明的目的是针对上述现状,旨在提供一种对白蚁有较好的触杀和驱避效果,持效期长,对人畜安全,在环境中容易降解,不污染环境;具有长效、无毒和环境友好,价格低廉,操作简便的能防治白蚁的惰性粉剂。
本发明目的的实现方式为,一种能防治白蚁的惰性粉剂,由质量比为99%-99.9%的硅藻土和0.1%-1%大蒜素粉剂混合组成,含水量控制在0.1%-25%。
本发明具有良好的吸附昆虫表皮脂类的能力,与白蚁表皮接触后相互摩擦,使白蚁表皮受损,并在4-5个小时内使白蚁脱水死亡;本发明可以有效阻隔白蚁危害建筑材料,将本发明均匀铺设3mm以上的厚度,白蚁一旦接触本惰性粉剂,行动严重受阻,无法穿透,只能原地转圈或打滚,随即死亡。
本发明以硅藻土、大蒜素粉剂为原料对白蚁有较好的触杀和驱避效果,持效期长,对哺乳动物、水生动物和鸟类安全,在环境中容易降解,不污染环境;具有长效、无毒和环境友好,价格低廉,操作简便等特点,具有广阔的市场前景。
附图说明
图1为用实施例2处理6h,黑胸散白蚁的致死效果图。
具体实施方式
本发明由质量比为99%-99.9%的硅藻土和0.1%-1%大蒜素粉剂混合组成,含水量控制在0.1%-25%。硅藻土为200-400目的硅藻土。优选的硅藻土为300目的硅藻土,含水量控制在0.1%%-25%,较优选含水量控制在0.1%%-10%,更优选的含水量控制在0.1%%-1%。
本发明采用硅藻土为原料,硅藻土是一种天然矿物质,性能稳定,不会产生有害化学残留或与环境中其他物质发生反应,用于防治白蚁,具有长效、无毒和环境友好等特点。采用大蒜素粉剂,大蒜素粉剂对白蚁有较好的触杀和驱避效果,对哺乳动物、水生动物和鸟类安全,在环境中容易降解。两者混合对白蚁有较好的触杀和驱避效果,对哺乳动物、水生动物和鸟类安全,在环境中容易降解。
下面用具体实施例详述本发明。
实施例1、
将99.9%硅藻土(200目)和0.1%大蒜素粉剂混合均匀,干燥处理得到白蚁惰性粉剂,含水量0.1%。
在直径为9cm的塑料烧杯中,每个烧杯中放入30头黑胸散白蚁,用湿润的蛭石均匀覆盖至烧杯2cm处,然后在蛭石层上分别均匀铺设1mm、2mm、3mm厚度的本实施例所得惰性粉剂;对照组在蛭石层上铺设相同厚度的沙粒。设4个实验重复,在(25±1)℃和(90±5)%RH的黑暗条件下进行试验,定时记录白蚁穿透情况。穿透能力结果见表1。
表1黑胸散白蚁对不同厚度纳米惰性粉剂的穿透能力
Figure BDA0001236254320000031
注:表中数据为平均值±标准差,同列数字后标有不同小写字母表示经“TukeyHSD”法在5%水平上差异显著。
由表1可知,黑胸散白蚁可穿透1mm和2mm厚的惰性粉层和三种厚度的砂粒层,但未穿透3mm厚的惰性粉层,表明3mm厚惰性粉对白蚁有很好的阻隔效果。
实施例2、将99.5%硅藻土(300目)和0.5%大蒜素粉剂混合均匀,干燥处理得到白蚁惰性粉剂,含水量控制在10%、25%。
在直径为9cm的培养皿中,每个培养皿中均匀铺设3mm厚度不同湿度惰性粉剂,对照组铺设相同湿度和厚度的沙粒,每个培养皿投放30头黑胸散白蚁。设4个实验重复,在(25±1)℃,(90±5)%RH,黑暗条件下进行试验,定时记录白蚁死亡率。无水惰性粉剂与无水沙粒致死效果比较见图1。不同湿度惰性粉剂对黑胸散白蚁的致死效果见表2。
表2不同湿度惰性粉剂对黑胸散白蚁的致死效果
Figure BDA0001236254320000032
注:表中数据为平均值±标准差,同列数字后标有不同小写字母表示经“TukeyHSD”法在5%水平上差异显著。
由图1可知,无水惰性粉剂处理6h后,白蚁死亡率达100%,显著高于沙粒对照处理,说明本实施例对白蚁有很好的触杀效果。
由表2可知,含水量10%的惰性粉剂处理6h后,白蚁死亡率达22.5%,显著高于对照处理;处理12h后,白蚁死亡率达75.83%,显著高于对照处理。含水量25%惰性粉剂处理6h后,白蚁死亡率达5.83%,也显著高于对照处理;处理12h后,白蚁死亡率达20%,显著高于对照处理。但处理6h、12h后,含水量25%惰性粉剂处理白蚁死亡率不如含水量10%惰性粉剂。
说明本发明在含水量10%的惰性粉剂仍对白蚁有较好的触杀效果。
实施例3、将99%硅藻土(400目)和1%大蒜素粉剂混合均匀,干燥处理得到白蚁惰性粉剂,含水量控制在0.1%-1%。
在室内地板装修前,使用喷粉装置在地面均匀喷施惰性粉剂,厚度3-5mm,再铺上防潮垫,最后铺盖地板。
当发现室内的木构件被白蚁危害后,可戳破木构件表面,喷施惰性粉剂,把本实施例直接喷在白蚁体表,防治效果更佳。

Claims (1)

1.一种能防治白蚁的惰性粉剂的使用方法,其特征在于:将99.9%硅藻土和0.1%大蒜素粉剂混合均匀,干燥处理得到惰性粉剂,含水量0.1%,所述硅藻土为200目的硅藻土;在室内地板装修前,使用喷粉装置在地面均匀喷施惰性粉剂,厚度3-5mm,再铺上防潮垫,最后铺盖地板。
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