CN1085491C - 酚碱灭菌农药 - Google Patents

酚碱灭菌农药 Download PDF

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CN1085491C
CN1085491C CN98125452A CN98125452A CN1085491C CN 1085491 C CN1085491 C CN 1085491C CN 98125452 A CN98125452 A CN 98125452A CN 98125452 A CN98125452 A CN 98125452A CN 1085491 C CN1085491 C CN 1085491C
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alkali
phenol
gernicide
farm
sterilization
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CN1256079A (zh
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官长铨
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Abstract

一种酚碱灭菌农药,其特征在于本农药中含有酚和碱,酚用的是邻甲酚,碱是无机碱氢氧化钠。同时在配方中还含有适量的柴油、松香、油酸等以便起溶剂和乳化皂化作用。本农药防治果树和蔬菜菌类疾病具有杀菌广谱性的特点,尤其是治果树炭疽病和蔬菜软腐病等可以达到根治的目的。

Description

酚碱灭菌农药
本发明是一种农药,尤其涉及治果树炭疽病和蔬菜软腐病等菌类农药技术领域。
目前,市面上有关治炭疽病和软腐病的杀菌剂很多,如炭特灵(95年获国家金奖)、甲基托布津、退菌特、代森锌、多菌灵和波尔多液等。但这些杀菌剂防治果树炭疽病均有缺陷,不够理想,也就是说只能治标,不能治本;尤其对柿果炭疽病和柑桔果梗炭疽病的防治均不理想,它们能把表面的病原菌分生孢子灭杀,但无法将聚生许多分生孢子的病原菌“梗”灭杀。这样果树表面的分生孢子死了,炭疽病原菌的“梗”还在,真所谓“斩草不除根,春风吹又生”。究其原因,这些杀菌剂基本上都是粉剂型农药,渗透性差;其次价格高,如炭特灵每500g零售价20元左右,甲基布托津每500g零售价24左右,况且从室内菌培养试验可知有效期7~15天左右,菌丝又长起来。另外,部分杀菌剂中含有铜离子,如波尔多液、加瑞农等,用药后还会刺激螨类,如红蜘蛛卵的发育,加剧红蜘蛛等昆虫对果树的危害。
炭疽病原菌——盘长孢菌,学名Glotosp Orjan,FllircolumNishida,其特点是它的孢子盘上聚生许多孢子梗,孢子梗顶端着生分生孢子,无色、单孢、圆筒形或长椭圆形。目前杀菌剂防治炭疽病不够理想的原因,主要就在“梗”。
本发明的酚碱灭菌农药,固名思义,其配方中成分中既含有酚,又含有碱,本发明中用的酚为邻甲酚,碱用的是无机碱氢氧化钠,邻甲酚和氢氧化钠反应生成的邻甲酚钠具有很强的杀菌能力,同时又兼具强的渗透性和腐蚀性以破坏菌类的细胞壁的作用,同时与苯酚钠比较毒性又小得多,。其反应方程式如下:所产生的邻甲酚钠具有很强的杀菌能力,用来防治果树炭疽病不但能把表面的病原菌分生孢子灭杀,而且能把聚生许多分子孢子的病原菌“梗”灭杀,达到根治的目的。
本酚碱灭菌农药还能防治柑桔等果树的溃疡病、疮痂病、梨锈病、等菌类疾病,同时还能防治蔬菜上的软腐病、青枯病、疫病等菌类疾病,并在一定程度上起灭杀螨类如红蜘蛛的作用,具有杀菌广谱性的特点。
在本酚碱灭菌农药中加入适量的柴油、松香、油酸等可以起溶剂和乳化皂化的作用,同时使本农药具有一定的粘性,喷雾干后形成一层保护膜,可以增强药效的持久性,增强杀菌效果。
经反复使用证明,使用本农药可以使果树炭疽病原菌的整个分生孢子盘干枯而死而达到根治、省工、省成本、改善果品外观、大幅提高果树产量等效益;同时本农药不含铜离子,不会刺激螨类发生,且还有一定的灭杀作用。
下面结合实施例对本发明作详细说明。
配方为:620ml邻甲酚,柴油180ml,油酸82ml至92ml,纯氢氧化钠18g至22g,松香5g,配制好后加适量水至1000ml。
举操作实施例如下:按上述配方,取少量柴油放入皂化锅加热后放入松香,搅拌溶化后加入油酸,搅拌均匀,把剩余柴油加入皂化锅中,搅拌均匀,预热至80℃左右。取适量水溶解过滤后的NaoH溶液,在不断搅拌下加入到上述预热过的柴油混合液中,使乳化均匀微呈糊状即可,再加入全部邻甲酚并搅拌至皂化全溶,静置沉淀排渣,过滤除杂质,补充水至总量1000lm,装瓶待用,即为成品。
使用时,可根据具体情况,按成品1:水600至1200的比例配好,喷施到病果树上或蔬菜灌根喷施均可。

Claims (1)

  1. 一种灭菌农药,其特征在于本农药中含有酚和碱,酚用的是邻甲酚,碱用的是无机碱氢氧化钠,其含量为配制的每升农药中应加进620ml左右的邻甲酚和18g至22g的氢氧化钠,同时加进180ml的柴油,82ml至92ml的油酸,5g左右的松香,最后加适量水至1升。
CN98125452A 1998-12-04 1998-12-04 酚碱灭菌农药 Expired - Fee Related CN1085491C (zh)

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CN98125452A CN1085491C (zh) 1998-12-04 1998-12-04 酚碱灭菌农药

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CN1085491C true CN1085491C (zh) 2002-05-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101228870B (zh) * 2007-12-31 2011-07-06 浙江林学院 一种杀螨杀菌农药组合物及其用途
CN104322577A (zh) * 2014-11-27 2015-02-04 周可幸 复合杀菌剂

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103001A (en) * 1976-08-30 1978-07-25 Schattner Robert I Buffered phenol-glutaraldehyde sterilizing compositions
GB1602653A (en) * 1978-03-20 1981-11-11 Schattner R I Buffered phenol-dialdehyde sterilizing compositions
AU2994084A (en) * 1983-06-28 1985-01-10 Union Carbide Corporation Dialdehyde/phenol solutions as disinfectants and sporicides

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103001A (en) * 1976-08-30 1978-07-25 Schattner Robert I Buffered phenol-glutaraldehyde sterilizing compositions
GB1602653A (en) * 1978-03-20 1981-11-11 Schattner R I Buffered phenol-dialdehyde sterilizing compositions
AU2994084A (en) * 1983-06-28 1985-01-10 Union Carbide Corporation Dialdehyde/phenol solutions as disinfectants and sporicides

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