CN107873342A - 一种油樟驻杆害虫的防治方法 - Google Patents

一种油樟驻杆害虫的防治方法 Download PDF

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CN107873342A
CN107873342A CN201711116417.4A CN201711116417A CN107873342A CN 107873342 A CN107873342 A CN 107873342A CN 201711116417 A CN201711116417 A CN 201711116417A CN 107873342 A CN107873342 A CN 107873342A
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乔立栋
钟栎
杨静
周书兰
刘�英
张怡
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Yibin Xinglin Garden Arbor Industrial Technology Research Institute
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Abstract

发明涉及病虫害防治领域,特别是一种油樟驻杆害虫的防治方法,包括以下内容:1)除草:对树木周围除草;2)预防成虫:在蛀干害虫盛发期,采用第一杀虫液喷施树干及其周边地表;3)灭杀幼虫:将第二杀虫液和伤口涂抹剂混合后涂抹虫孔,并密封虫孔。本发明操作简单,只需要简单对树干喷湿、虫孔处涂抹密封处理即可,无需其它操作,如对虫孔进行预处理后再用药等;一次处理,中途不需要再次使用药剂处理,节约成本,还提高效率。

Description

一种油樟驻杆害虫的防治方法
技术领域:
本发明涉及病虫害防治领域,特别是一种油樟驻杆害虫的防治方法。
背景技术
随着我国林业产业的快速发展和城市绿化树木数量的持续增加,林木害虫也开始大幅度增加,给树木造成了严重的危害。蛀干害虫作为树木虫害中的一类,自然影响了树木的生长。而且,蛀干害虫大都营隐蔽生活,防治难度较大。
油樟系樟科樟属的珍贵树种,中国除台湾省外,独有分布于宜宾,亦称“宜宾油樟”。树形美观,姿态雄伟,木质柔韧,纹理致密的特点,寿命长达千年,是成片造林和四旁绿化的首选树种,同时也是一种重要的经济林木,以提炼的桉叶油闻名世界。该树木遭受蛀杆害虫危害较为厉害,经剥开检查,主要是蛴螬危害,轻者一株树木几十头,重者上百头。
现有消灭蛀干害虫的主要采用铁丝绞杀、药签封孔的方法,但是这些操作适合于害虫较少时,如果害虫较多,该方法太费工费时,不利于大面积防治。
发明内容
本发明为了克服现有技术存在的问题,提供了一种油樟驻杆害虫的防治方法。
为了实现上述目的,本发明所采用的技术方案为:
一种油樟驻杆害虫的防治方法,包括以下内容:
1)除草:对树木周围除草;
2)预防成虫:在蛀干害虫盛发期,采用第一杀虫液喷施树干及其周边地表;
3)灭杀幼虫:将第二杀虫液和伤口涂抹剂混合后涂抹虫孔,并密封虫孔。
其中第一杀虫液和第二杀虫液中“第一”、“第二”的描述仅用于区别两种不同的杀虫液,并不表示还具有主次之分等。
研究发现,当杂草高度超过8cm,每平方米植株数超过50株时,蛀干害虫产卵量增加,因此必须及时除草;其中,特别使需要及时去除藤本类杂草,防止蛀干害虫在其与树干结合处产卵。
申请人通过研究,在上午9点以前和/或下午6点以后在树干及其周边地表喷施48%毒死蜱1000倍液,杀死成虫效果好,成虫灭杀率可以达到95%以上,特别是在早晚各杀虫一次效果最佳,可达到99%以上。其中喷施的量以药液可在树干滴下为度。
步骤3)中,采用杀虫液和伤口涂抹剂的组合涂抹在虫孔杀虫,在杀虫的同时还可预防虫孔向周边健康木质部腐烂,并且可以加速虫孔愈合,避免树木经济价值降低。一次处理,简单方便。
第二杀虫液和伤口涂抹剂的质量比选自1:4-6时,不仅能满足杀虫和快速愈合的需要,同时还能减少用量,节约成本。
进一步的,所述第二杀虫液选自80%敌敌畏。
进一步的,所述伤口涂抹剂按重量份数计,包括以下组分:腐植酸钠4-7份、硫酸铜1-3份、硫酸亚铁1-3份、硫磺胶悬剂7-10份、大蒜硒多糖4-5份、高脂膜乳剂0.5-2份、ABT生根粉1-4份、脂肪醇聚氧乙烯醚15-20份。
申请人研究发现,将ABT生根粉用于伤口涂抹,对蛀干害虫形成的孔洞具有快速愈合的效果。同时也发现将硫磺胶悬剂、ABT生根粉一起使用可以促使ABT生根粉效果更长效。采用敌敌畏与含有硫磺胶悬剂、ABT生根粉的伤口涂抹剂一起使用,能防止虫孔发生腐烂以及可以延长硫磺胶悬剂、ABT生根粉的作用时长。使ABT生根粉的愈伤效果更长久,且使虫孔无腐烂,从而实现了本发明一次操作,长时有效的目的。采用脂肪醇聚氧乙烯醚可以促进药剂的渗透,进而促使孔洞的愈合缩小。
本发明有益效果:
一、本发明操作简单,只需要简单对树干喷湿、虫孔处涂抹密封处理即可,无需其它操作,如对虫孔进行预处理后再用药等;一次处理,中途不需要再次使用药剂处理,节约成本,还提高效率。
二、采用本发明所述敌敌畏和伤口涂抹剂组合涂抹孔洞,可以促进孔洞内的愈伤组织形成,快速修复,且不伤害树体。
具体实施方式
下面通过具体的实施例子对本发明做进一步的详细描述。
实施例1
对油樟树油樟驻杆害虫的防治方法,包括以下内容:
1)除草:物理割除油樟树周围的杂草,特别是当高度超过8cm,每平方米植株数超过50株时;
2)预防成虫:在上午9点以前在树干及其周边地表喷施48%毒死蜱1000倍液;
3)灭杀幼虫:按质量比1:4将80%敌敌畏和伤口涂抹剂混合后涂抹虫孔,并用塑料薄膜等不透气的软性物质缠绕树干密封好虫孔,制造密闭空间,使其内部熏蒸性药剂充分发挥药效,杀死害虫。
其中,伤口涂抹剂按重量份数计,包括以下组分:腐植酸钠4份、硫酸铜1份、硫酸亚铁1份、硫磺胶悬剂7份、大蒜硒多糖4份、高脂膜乳剂0.5份、ABT生根粉1份、脂肪醇聚氧乙烯醚15份。
实施例2
对栾树油樟驻杆害虫的防治方法,包括以下内容:
1)除草:采用化学药剂去除栾树周围的杂草,特别是当高度超过8cm,每平方米植株数超过50株时;
2)预防成虫:在下午6点以后在树干及其周边地表喷施48%毒死蜱1000倍液;
3)灭杀幼虫:按质量比1:6将80%敌敌畏和伤口涂抹剂混合后涂抹虫孔,并用塑料薄膜等不透气的软性物质缠绕树干密封好虫孔,制造密闭空间,使其内部熏蒸性药剂充分发挥药效,杀死害虫。
其中,伤口涂抹剂按重量份数计,包括以下组分:腐植酸钠6份、硫酸铜2份、硫酸亚铁2份、硫磺胶悬剂8份、大蒜硒多糖4.5份、高脂膜乳剂1份、ABT生根粉3份、脂肪醇聚氧乙烯醚18份。
实施例3
对银杏树油樟驻杆害虫的防治方法,包括以下内容:
1)除草:物理割除银杏树周围的杂草,特别是当高度超过8cm,每平方米植株数超过50株时;
2)预防成虫:在上午9点以前以及下午6点以后在树干及其周边地表喷施48%毒死蜱1000倍液;
3)灭杀幼虫:按质量比1:5将80%敌敌畏和伤口涂抹剂混合后涂抹虫孔,并用塑料薄膜等不透气的软性物质缠绕树干密封好虫孔,制造密闭空间,使其内部熏蒸性药剂充分发挥药效,杀死害虫。
其中,伤口涂抹剂按重量份数计,包括以下组分:腐植酸钠7份、硫酸铜3份、硫酸亚铁3份、硫磺胶悬剂10份、大蒜硒多糖5份、高脂膜乳剂2份、ABT生根粉4份、脂肪醇聚氧乙烯醚20份。
实施例4
本实施例为实施例2的对比实施例,用萘乙酸、吲哚乙酸、吲哚丁酸、乙烯利等物质的一种或多种组合替换ABT生根粉,统计在不同时间段内,采用不同激素的组合对树木孔洞大小愈合的影响。
以下为采用实施例1-4的方案用于处理树木,采用同种方法对同一林地的树木(30棵)进行处理,统计灭虫率和孔洞大小(平均值)。
实施例5
本实施例为实施例1的对比实施例。
采用不同组合的第二杀虫液和伤口涂抹剂,统计30棵油樟树的生长情况。
仅第二杀虫液选用施保克、乐果、敌杀死等药剂替换敌敌畏时,分别有6、10、7棵油樟树虫孔出现腐烂现象,其余树木的虫孔大小在2月后无明显改变,虫孔未闭合或者是降至2mm以下。
伤口涂抹剂中无硫磺胶悬剂,其余组分不变,虫孔处无腐烂现象发生,在3月份左右时虫孔直径大小缩小趋势变缓。
尽管这里参照本发明的解释性实施例对本发明进行了描述,但上述实施例仅为本发明较佳的实施方式之一,本发明的实施方式并不受上述实施例的限制,应该理解,本领域技术人员可以设计出很多其他的修改和实施方式,这些修改和实施方式将落在本申请公开的原则范围和精神之内。

Claims (7)

1.一种油樟驻杆害虫的防治方法,其特征在于,包括以下内容:
1)除草:对树木周围除草;
2)预防成虫:在蛀干害虫盛发期,采用第一杀虫液喷施树干及其周边地表;
3)灭杀幼虫:将第二杀虫液和伤口涂抹剂混合后涂抹虫孔,并密封虫孔。
2.根据权利要求1所述的一种油樟驻杆害虫的防治方法,其特征在于:步骤2)为在上午9点以前和/或下午6点以后在树干及其周边地表喷施第一杀虫液。
3.根据权利要求1所述的一种油樟驻杆害虫的防治方法,其特征在于:所述第一杀虫液为48%毒死蜱1000倍液。
4.根据权利要求1所述的一种油樟驻杆害虫的防治方法,其特征在于:所述第二杀虫液为80%敌敌畏。
5.根据权利要求1所述的一种油樟驻杆害虫的防治方法,其特征在于:伤口涂抹剂按重量份数计,包括以下组分:腐植酸钠4-7份、硫酸铜1-3份、硫酸亚铁1-3份、硫磺胶悬剂7-10份、大蒜硒多糖4-5份、高脂膜乳剂0.5-2份、ABT生根粉1-4份、脂肪醇聚氧乙烯醚15-20份。
6.根据权利要求1、4、5任一所述的一种油樟驻杆害虫的防治方法,其特征在于:所述第二杀虫液和伤口涂抹剂的质量比为1:4-6。
7.根据权利要求6所述的一种油樟驻杆害虫的防治方法,其特征在于:所述第二杀虫液和伤口涂抹剂的质量比为1:5。
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