CN111713502A - 一种防治天牛的制剂及其制备方法 - Google Patents

一种防治天牛的制剂及其制备方法 Download PDF

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CN111713502A
CN111713502A CN202010516397.5A CN202010516397A CN111713502A CN 111713502 A CN111713502 A CN 111713502A CN 202010516397 A CN202010516397 A CN 202010516397A CN 111713502 A CN111713502 A CN 111713502A
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longicorn
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郭武杰
杜霄霞
胡俊娜
郭丽霞
郭保军
张艳星
崔晓琦
袁自更
范大整
王联营
王桂林
翟明恬
李俊中
张丽娟
田群芳
辛贺奎
张永枝
沈红
郭婷婷
王世全
张乐观
张改香
郭嘉灏
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Zhengzhou Chang'an Plant Protection Co ltd
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Abstract

本发明涉及园林工程害虫防治领域,具体涉及一种防治天牛的制剂及其制备方法。防治天牛的制剂由以下重量份的原料组成:米尔贝霉素0.1~10份、噻虫啉0.1~10份、杀菌剂0.5‑6份、氮酮5~18份、多氯苯甲酸0.5~5份、吲哚丁酸钾0.1~4份、萘乙酸钠0.1~4份、壳寡糖1~15份、乳化剂5~15份、水30~60份、乙醇20~40份。本发明防治天牛的制剂对天牛的防治效果好,不伤害天牛的天敌,对人、畜安全,对环境友好,既可用于树干注射也可用于树冠喷雾;而且能够促进树木伤口愈合,使树木健壮成长。

Description

一种防治天牛的制剂及其制备方法
技术领域
本发明涉及园林工程害虫防治领域,具体涉及一种防治天牛的制剂及其制备方法。
背景技术
天牛是天牛科昆虫的统称,天牛科昆虫种类繁多,分布广泛,目前世界已知约4000属25000种以上,我国估计超过3000种,种属之间体型差异较大。绝大部分天牛种类是林木和果树的重要蛀干害虫,也是我国危害最严重的、防治最困难的害虫之一。天牛对林木、果树的危害主要以幼虫最为严重,幼虫钻蛀林木的韧皮部、木质部和形成层,并形成虫道,破坏树木养分、水分的疏导和分生组织,造成树势衰弱,轻者枯枝,易遭风折或其它病菌侵害,重者导致整株死亡。因此,天牛虫害在林业上被称为“无烟的森林火灾”。
天牛幼虫生活隐蔽,蛀孔复杂,成虫体壁、鞘翅厚且坚硬,耐药力强,生殖能力强,传统的防治方法很难奏效。目前防治天牛的主要方法由化学防治法、生物防治法和管护林防治法等。化学药剂防治法是采用化学药剂对天牛进行防治,起效快,防治效果好,在天牛防治中起着重大的作用。但是目前防治天牛的化学药剂多存在毒性大,易伤害天敌,污染环境,对人和牲畜危害大等缺点,因此,继续研究一种安全、环保的天牛防治制剂。
发明内容
针对现有技术存在的问题和不足,本发明的目的旨在提供一种防治天牛的制剂及其制备方法。
为实现发明目的,本发明采用的技术方案如下:
本发明首先提供了一种防治天牛的制剂,该制剂由以下重量份的原料组成:米尔贝霉素0.1~10份、噻虫啉0.1~10份、杀菌剂0.5-6份、氮酮5~18份、多氯苯甲酸0.5~5份、吲哚丁酸钾0.1~4份、萘乙酸钠0.1~4份、壳寡糖1~15份、乳化剂5~15份、水30~60份、乙醇20~40份。
根据上述防治天牛的制剂,优选地,所述制剂由以下重量份的原料组成:米尔贝霉素0.1~5份、噻虫啉0.1~5份、杀菌剂1-4份、氮酮5~10份、多氯苯甲酸0.5~5份、吲哚丁酸钾0.1~2份、萘乙酸钠0.1~2份、壳寡糖1~10份、乳化剂5~10份、水40~60份、乙醇20~30份。
根据上述防治天牛的制剂,优选地,所述杀菌剂为甲基硫菌灵、苯菌灵、菌毒清中的任意一种。更加优选地,所述杀菌剂为甲基硫菌灵。
根据上述防治天牛的制剂,优选地,所述乳化剂为脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、壬基酚聚氧乙烯醚、二乙醇酰胺一种或两种混合物。更加优选地,所述乳化剂为脂肪醇聚氧乙烯醚。
本发明还提供了一种上述防治天牛的制剂的制备方法,包括以下步骤:
(1)将多氯苯甲酸、吲哚丁酸钾、萘乙酸钠、壳寡糖加入水中,搅拌至混合均匀,得到组分A;
(2)将乳化剂加入乙醇中,然后再加入米尔贝霉素、噻虫啉、杀菌剂、氮酮,搅拌至混合均匀,得到组分B;
(3)将组分A加入组分B中,搅拌混合均匀,即得防治天牛的制剂。
本发明防治天牛的制剂可以直接用于树冠喷雾使用,也可以直接作为注干液剂,通过钻孔注射的方式用于树干注射;此外,本发明防治天牛的制剂还可以添加推进剂制成气雾剂,气雾剂可以装入压力喷雾瓶,通过在压力喷雾瓶喷雾口连接注射管,可直接将防治天牛的气雾剂注射入树干上天牛钻蛀的虫孔中,实现虫孔中天牛幼虫的消杀,而且制备成气雾剂形式,可直接针对靶标害虫进行喷雾,用量少,见效快,使用方便,便于携带。
本发明还提供了一种防治天牛害虫的方法,包括以下步骤:
(a)在天牛害虫初发期,在树木根茎交界处上方10~20cm的区域内进行钻孔,孔深达髓心部,然后通过钻孔向树木注射上述防治天牛的制剂,注射完毕后,封闭钻孔;
(b)在天牛害虫盛发期,采用上述防治天牛的制剂喷施树木树干、树冠及周围地表;
(c)针对虫孔,对虫孔进行清理,然后向虫孔中注射上述防治天牛的制剂,注射完毕后封闭虫孔。
根据上述的方法,优选地,步骤(a)中钻孔与树干呈30~45度的夹角。
根据上述的方法,优选地,步骤(a)中注射完毕后采用软木塞封闭钻孔。
本发明防治天牛的制剂以米尔贝霉素和噻虫啉作为主要的杀虫成分,米尔贝霉素和噻虫啉对树木的刺吸式害虫、食叶性害虫、钻蛀性害虫均具有高效的杀虫活性,因此,可以用于防治天牛,而且,米尔贝霉素和噻虫啉的毒性低,对人畜安全性高,对施药操作人员,不污染环境。本发明中杀菌剂具有除菌的作用,能够防止树木的伤口由腐烂病菌、溃疡病、流胶病及它真菌、细菌类病原菌引起的感染引起的伤口腐烂,起到保护伤口、持久抑菌的功效。本发明防治天牛的制剂中还含有多氯苯甲酸、吲哚丁酸钾、萘乙酸钠和壳寡糖,多氯苯甲酸、吲哚丁酸钾和萘乙酸能够迅速激活植物免疫系统,促进植物细胞分裂,提高植物愈伤组织的修复和再生能力,促进伤口愈合,而且,还能促进吲哚类、萘乙酸类生长素代谢以及酚类因子的修复、消毒、杀菌和防腐,防止水分及养分流失,促进伤口愈合,使树木健壮成长。本发明防治天牛的制剂中还含有氮酮,氮酮能够作为渗透剂氮酮能促进植物对药剂的吸收,还能够促进杀虫剂对虫体的渗透,提高杀虫效果,使用极少量的杀虫剂即可达到杀虫功效,可减少杀虫剂的用量,降低生产成本。
与现有技术相比,本发明取得的有益效果技术效果为:
(1)本发明防治天牛的制剂以米尔贝霉素和噻虫啉作为主要的杀虫成分,对天牛具有很高的杀虫活性,防治高效,而且,毒性低,对人畜安全性高,对施药操作人员安全,不污染环境,适合用于居民区林木中天牛害虫防治的目的;同时还能起到防治树木叶螨、蚜虫、蝽类、介壳虫、木蠹蛾、潜叶蛾等病虫害的功效。
(2)本发明防治天牛的制剂可通过树干注射的方式注入树木体内,易于树木吸收,在树木体内更易传导,经过传导可分布于树体的各个部位,以达到树木全株带毒与补充营养的功效,从而达到杀死藏在树干内的害虫与拯救树体的目的。
(3)本发明防治天牛的制剂中多种植物生长调节剂,注入树体后能够迅速激活树木免疫系统,促进细胞分裂,提高愈伤组织的修复和再生能力,促进伤口愈合,而且,还能防止水分及养分流失,使树木健壮成长。
(4)本发明防止天牛的制剂中含有氮酮,氮酮能促进植物对药剂的吸收,还能够促进杀虫剂对虫体的渗透,提高杀虫效果,使用极少量的杀虫剂即可达到杀虫功效,可减少杀虫剂的用量,降低生产成本。
(5)本发明防治天牛的制剂对天牛的防治效果好,稳定性好,药效持效期长,既可用于树干注射也可用于树冠喷雾;而且,不伤害天牛的天敌,对人、畜安全,对环境友好,可大规模推广应用,具有重要经济效益及社会效益。
(6)本发明防治天牛的制剂可直接喷涂在树干上天牛幼虫钻蛀的虫孔中,喷涂后既能杀灭虫孔中的天牛幼虫,还能够促进虫孔的修复、愈合。
(7)本发明采用树干注射和树冠喷雾相结合的方法对天牛进行防治,树干注射能够使杀虫剂分布于树体的各个部位,从而实现直接对藏在树干内的天牛幼虫害虫进行杀灭,树冠喷雾能够杀灭天牛成虫,因此,通过树干注射和树冠喷雾能够达到天牛的综合防治,防治效果好,杀虫效果彻底。
具体实施方式
以下通过具体的实施例对本发明作进一步详细说明,但并不限制本发明的范围。
实施例1:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素5份、噻虫啉2份、甲基硫菌灵3份、氮酮8份、多氯苯甲酸4份、吲哚丁酸钾1份、萘乙酸钠1份、壳寡糖10份、脂肪醇聚氧乙烯醚10份、水50份、乙醇30份。
上述防治天牛的制剂的制备方法,包括以下步骤:
(1)将多氯苯甲酸、吲哚丁酸钾、萘乙酸钠、壳寡糖加入水中,搅拌至混合均匀,得到组分A;
(2)将脂肪醇聚氧乙烯醚加入乙醇中,然后再加入米尔贝霉素、噻虫啉、甲基硫菌灵、氮酮,搅拌至混合均匀,得到组分B;
(3)将组分A加入组分B中,搅拌混合均匀,即得防治天牛的制剂。
实施例2:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素3份、噻虫啉1份、甲基硫菌灵2份、氮酮8份、多氯苯甲酸3份、吲哚丁酸钾1份、萘乙酸钠0.5份、壳寡糖10份、脂肪醇聚氧乙烯醚10份、水50份、乙醇30份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例3:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素2份、噻虫啉3份、甲基硫菌灵1份、氮酮5份、多氯苯甲酸2份、吲哚丁酸钾2份、萘乙酸钠0.1份、壳寡糖8份、脂肪醇聚氧乙烯醚8 份、水50份、乙醇30份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例4:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素5份、噻虫啉0.1份、甲基硫菌灵4份、氮酮5份、多氯苯甲酸5份、吲哚丁酸钾0.1份、萘乙酸钠2份、壳寡糖5份、脂肪醇聚氧乙烯醚5 份、水40份、乙醇20份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例5:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素0.1份、噻虫啉5份、甲基硫菌灵4份、氮酮6份、多氯苯甲酸0.5份、吲哚丁酸钾2份、萘乙酸钠1份、壳寡糖1份、脂肪醇聚氧乙烯醚6 份、水60份、乙醇25份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例6:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素10份、噻虫啉1份、甲基硫菌灵1份、氮酮5份、多氯苯甲酸4份、吲哚丁酸钾1份、萘乙酸钠1份、壳寡糖15份、脂肪醇聚氧乙烯醚15份、水50份、乙醇20份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例7:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素1份、噻虫啉10份、甲基硫菌灵6份、氮酮8份、多氯苯甲酸0.5份、吲哚丁酸钾4份、萘乙酸钠3份、壳寡糖12份、脂肪醇聚氧乙烯醚12份、水40份、乙醇40份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例8:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素5份、噻虫啉5份、甲基硫菌灵0.5份、氮酮6份、多氯苯甲酸1份、吲哚丁酸钾0.1份、萘乙酸钠4份、壳寡糖8份、脂肪醇聚氧乙烯醚10份、水30份、乙醇40份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例9:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素4份、噻虫啉5份、甲基硫菌灵4份、氮酮9份、多氯苯甲酸3份、吲哚丁酸钾0.5份、萘乙酸钠1.5份、壳寡糖6份、脂肪醇聚氧乙烯醚10份、水40份、乙醇20份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例10:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素8份、噻虫啉0.5份、甲基硫菌灵1份、氮酮8份、多氯苯甲酸2份、吲哚丁酸钾1份、萘乙酸钠2份、壳寡糖7份、脂肪醇聚氧乙烯醚5份、水45份、乙醇25份。
上述防治天牛的制剂的制备方法与实施例1相同。
实施例11:
一种防治天牛害虫的方法,包括以下步骤:
(a)在天牛害虫初发期,在树木根茎交界处上方10~20cm的区域内进行钻孔,钻孔与树干呈45度的夹角,同一高度钻孔不超过2个,孔深达髓心部,然后通过钻孔向树木注射实施例1-实施例10任一所述的防治天牛的制剂,注射完毕后,用软木塞封闭钻孔;
(b)在天牛害虫盛发期,采用实施例1-实施例10任一所述的防治天牛的制剂喷施树木树干、树冠及周围地表;
(c)针对虫孔,对虫孔进行清理,疏通虫孔,然后向虫孔中注射实施例1-实施例10任一所述的防治天牛的制剂,注射完毕后用软木塞封闭虫孔。
本发明防治天牛的制剂的功效验证实验:
以本发明实施例1制备的防治天牛的制剂为例进行功效验证。同时,为了与本发明防治天牛的制剂进行对比,本发明还进行了对比试验1-对比试验3。对比试验1-对比试验3的具体内容如下。
对比试验1:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素5份、甲基硫菌灵3份、氮酮8份、多氯苯甲酸4份、吲哚丁酸钾1份、萘乙酸钠1份、壳寡糖10份、脂肪醇聚氧乙烯醚10份、水50份、乙醇30份。实施例1:
对比试验2:
一种防治天牛的制剂,由以下重量份的原料组成:噻虫啉5份、甲基硫菌灵3份、氮酮8份、多氯苯甲酸4份、吲哚丁酸钾1份、萘乙酸钠1份、壳寡糖10份、脂肪醇聚氧乙烯醚10份、水50份、乙醇30份。
对比试验3:
一种防治天牛的制剂,由以下重量份的原料组成:米尔贝霉素5份、噻虫啉5份、甲基硫菌灵3份、氮酮8份、脂肪醇聚氧乙烯醚10份、水50份、乙醇30份。
功效验证实验的具体实验方法如下:
选取树干直径为20-25cm生长状态良好的无病虫害垂柳树木,分为五组(处理组1、处理组2、处理组3、处理组4和空白对照组),处理组1-处理组4中每颗垂柳上分散放置40头大小一致的云斑天牛幼虫,然后在垂柳根茎交界处上方15cm的区域进行钻孔,钻孔与树干呈45度的夹角,孔深达髓心部,然后通过钻孔分别向处理组1、处理组2、处理组3、处理组4中的垂柳树木注射本发明实施例1、对比试验1、对比试验2和对比试验3制备的防治天牛的制剂。注射完毕后48h、72h和96h统计云斑天牛幼虫的死亡数量。空白对照组垂柳树木上只放置云斑天牛幼虫,但不注射任何药剂。
选取40头大小一致的云斑天牛幼虫,分散地放置于事先选定的树干直径为20-25cm生长状态良好的无病虫害垂柳树木上,然后在垂柳根茎交界处上方15cm的区域进行钻孔,钻孔与树干呈45度的夹角,孔深达髓心部,然后通过钻孔向树木注射本发明实施例1制备的防治天牛的制剂,然后分别在注射完毕后48h、72h和96h统计云斑天牛幼虫的死亡数量。实验设置一组空白对照,空白对照组垂柳树木上只放置云斑天牛幼虫,但不注射任何药剂。处理组和对照组各进行5次重复试验,
按照公式P1=K/N×100(P1表示死亡率,K表示死亡虫数,N表示处理总虫数)计算处理组(注射防治天牛的制剂)和空白对照组云斑天牛幼虫的校正死亡率。并记录垂柳树木钻孔伤口愈合时间,钻孔伤口愈合时间是指垂柳树干钻孔起至观测到钻孔伤口最终愈合的时间。实验结果如表1所示。
Figure DEST_PATH_IMAGE001
由表1可知,单独采用米尔贝霉素、噻虫啉对天牛进行防治时,防治效果相对较差,采用本发明制备的防治天牛的制剂对天牛具有很好的杀虫功效,树干注射96h后,对云斑天牛幼虫的防治功效达到了96.8%。由此说明,米尔贝霉素和噻虫啉一起使用时,能够起到协同增效的作用,极大地提高了对云斑天牛幼虫的杀虫功效。而且,本发明防治天牛的制剂中由于添加了多氯苯甲酸、吲哚丁酸钾、萘乙酸钠和壳寡糖,能够显著提高树木在给药后的伤口愈合速度。

Claims (7)

1.一种防治天牛的制剂,其特征在于,由以下重量份的原料组成:米尔贝霉素0.1~10份、噻虫啉0.1~10份、杀菌剂0.5-6份、氮酮5~18份、多氯苯甲酸0.5~5份、吲哚丁酸钾0.1~4份、萘乙酸钠0.1~4份、壳寡糖1~15份、乳化剂5~15份、水30~60份、乙醇20~40份。
2.根据权利要求1所述防治天牛的制剂,其特征在于,由以下重量份的原料组成:米尔贝霉素0.1~5份、噻虫啉0.1~5份、杀菌剂1-4份、氮酮5~10份、多氯苯甲酸0.5~5份、吲哚丁酸钾0.1~2份、萘乙酸钠0.1~2份、壳寡糖1~10份、乳化剂5~10份、水40~60份、乙醇20~30份。
3.根据权利要求2所述防治天牛的制剂,其特征在于,所述杀菌剂为甲基硫菌灵、苯菌灵、菌毒清中的任意一种。
4.根据权利要求3所述防治天牛的制剂,其特征在于,所述乳化剂为脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、壬基酚聚氧乙烯醚、二乙醇酰胺一种或两种混合物。
5.一种权利要求1~4任一所述防治天牛的制剂的制备方法,其特征在于,包括以下步骤:
(1)将多氯苯甲酸、吲哚丁酸钾、萘乙酸钠、壳寡糖加入水中,搅拌至混合均匀,得到组分A;
(2)将乳化剂加入乙醇中,然后再加入米尔贝霉素、噻虫啉、杀菌剂、氮酮,搅拌至混合均匀,得到组分B;
(3)将组分A加入组分B中,搅拌混合均匀,即得防治天牛的制剂。
6.一种防治天牛害虫的方法,其特征在于,包括以下步骤:
(a)在天牛害虫初发期,在树木根茎交界处上方10~20cm的区域内进行钻孔,孔深达髓心部,然后通过钻孔向树木注射权利要1~4任一所述防治天牛的制剂,注射完毕后,封闭钻孔;
(b)在天牛害虫盛发期,采用权利要1~4任一所述防治天牛的制剂喷施树木树干、树冠及周围地表;
(c)针对虫孔,对虫孔进行清理,然后向虫孔中注射权利要求1~3任一所述的防治天牛的制剂,注射完毕后封闭虫孔。
7.根据权利要求6所述的方法,其特征在于,步骤(a)中钻孔与树干呈30~45度的夹角。
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Application publication date: 20200929