CN113412838A - 一种用于柑橘褐斑病的杀菌组合物及防治方法 - Google Patents
一种用于柑橘褐斑病的杀菌组合物及防治方法 Download PDFInfo
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- CN113412838A CN113412838A CN202110609744.3A CN202110609744A CN113412838A CN 113412838 A CN113412838 A CN 113412838A CN 202110609744 A CN202110609744 A CN 202110609744A CN 113412838 A CN113412838 A CN 113412838A
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- citrus
- brown spot
- bactericidal
- pyraclostrobin
- difenoconazole
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Classifications
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- A—HUMAN NECESSITIES
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/50—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
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Abstract
本发明提供了一种用于柑橘褐斑病的杀菌组合物,含有杀菌活性化合物I及杀菌活性化合物II,所述杀菌活性化合物I为硫酸铜钙和/或贝壳粉和/或硅石灰粉,所述杀菌活性化合物II为任意一种选自II.1‑II.8的化合物,II.1)苯醚甲环唑,吡唑醚菌酯;II.2)肟菌酯、戊唑醇;II.3)氟唑菌酰羟胺、苯醚甲环唑;II.4)氟吡菌酰胺、戊唑醇;II.5)苯醚甲环唑,肟菌酯;II.6)氟环唑、吡唑醚菌酯;II.7)丙环唑、啶氧菌酯;II.8)丙环唑、吡唑醚菌酯;本发明杀菌药物可大大减轻柑橘的病果率、病情指数,并能提升柑橘的产量收益,对柑橘褐斑病具有很好的防治效果。
Description
技术领域
本发明涉及生物防治技术领域,具体而言,涉及一种用于柑橘褐斑病的杀菌组合物及防治方法。
背景技术
柑橘栽种过程中,树体及柑橘果实在生长发育过程中易遭受多种病害的侵染,其中真菌性病害最为严重,比如柑橘褐斑病;褐斑病表现在柑桔的各个部位,例如叶片、果实、枝条这些易感部位,也有可能侵染幼嫩的幼芽。当褐斑病病原菌侵染果实后会在24小时左右表现出褐斑病症状,产生红橘褐斑病致病菌毒素,若湿度较大叶片病斑又会出现深灰色。褐斑病致病真菌在叶片和果实表面迅速扩散会导致叶片和果实变黄发黑甚至脱落,不仅影响树势生长,对柑橘品质、外观也有较大影响,造成产量降低,对柑橘产业造成巨大的损害。
通过化学药剂防治柑橘褐斑病是目前较有效的方法,大多数果农利用敌菌丹或铜制剂(波尔多液)防治褐斑病,但由于该农药在瓜果表面的滞留时间长,不易降解,尤其是柑橘生长过程往往是在炎热的夏季,在高温下会使其表面产生斑点状农药残留痕迹。近年来,嗜球果伞素与小奥德素也被用于防治柑桔褐斑病致病真菌中,能有效快速的抑制病原菌生长。但是化学药剂无法完全抑制病害的发生,且易产生较强的抗药性,随之产生的农药残留等问题也不容小视。因此,目前基本都着重于使用纯化学药剂防治柑橘褐斑病,其对柑橘不仅易产生较强的抗药性,且具有一定的副作用,不利于柑橘的良性发展。
发明内容
本发明的目的在于提供一种柑橘褐斑病防治方法,其可大大减轻柑橘的病果率、病情指数,并能提升柑橘的产量收益,对柑橘褐斑病具有很好的防治效果。
本发明的实施例通过以下技术方案实现:
一种用于柑橘褐斑病的杀菌组合物,包括杀菌活性化合物I及杀菌活性化合物II,
所述杀菌活性化合物I为硫酸铜钙和/或贝壳粉和/或硅石灰粉,
所述杀菌活性化合物II为任意一种选自II.1-II.8的化合物,
II.1)苯醚甲环唑和吡唑醚菌酯;
II.2)肟菌酯和戊唑醇;
II.3)氟唑菌酰羟胺和苯醚甲环唑;
II.4)氟吡菌酰胺和戊唑醇;
II.5)苯醚甲环唑和肟菌酯;
II.6)氟环唑和吡唑醚菌酯;
II.7)丙环唑和啶氧菌酯;
II.8)丙环唑和吡唑醚菌酯。
本发明实施例的技术方案至少具有如下优点和有益效果:
1.本发明杀菌药物可大大减轻柑橘的病果率、病情指数,并能提升柑橘的产量收益;本发明杀菌药物一方面对柑橘在发病前期进行防控,同时杀菌药物对柑橘起到了物理隔离的作用,大大降低柑橘因日光灼烧而感染褐斑病的几率;另一方面可在发病后,迅速被植株吸收并传导至感病部位,使新生的幼叶、花、果免受病菌为害,双管齐下,大大降低了柑橘褐斑病的发生;因此本发明杀菌药物兼具有保护、治疗和内吸作用,实现取长补短、优势互补的目的,扩大了防治谱和使用范围,对柑橘褐斑病具有很好的防治效果;通物理隔离剂化学防治不仅可有效治疗柑橘褐斑病,且副作用小,对环境的污染也大幅降低。
2.本发明的杀菌药物的防治方法,缓释效果明显,持效期长,对柑橘褐斑病具有速效性强、防治效果好、持效期较长的优势;对柑橘的生长周期中的褐斑病的防控发挥了显著的作用。
3.本发明杀菌药物的活性成分还能促进柑橘对氮和碳的吸收,提高柑橘的抗逆性,实现柑橘生长健康的功效。另外,利用本发明杀菌药物后所得的柑橘果实大小相近,无畸形果,无褐斑,且果香味及水分足。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将对本发明实施例中的技术方案进行清楚、完整地描述。实施例中未注明具体条件者,按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者,均为可以通过市售购买获得的常规产品。
下面对本发明实施例提供的一种用于柑橘褐斑病的杀菌组合物及防治方法进行具体说明。
一种用于柑橘褐斑病的杀菌组合物,包括杀菌活性化合物I及杀菌活性化合物II,
所述杀菌活性化合物I为硫酸铜钙和/或贝壳粉和/或硅石灰粉,
所述杀菌活性化合物II为II.1-II.8中的任意一种,
II.1)苯醚甲环唑和吡唑醚菌酯;
II.2)肟菌酯和戊唑醇;
II.3)氟唑菌酰羟胺和苯醚甲环唑;
II.4)氟吡菌酰胺和戊唑醇;
II.5)苯醚甲环唑和肟菌酯;
II.6)氟环唑和吡唑醚菌酯;
II.7)丙环唑和啶氧菌酯;
II.8)丙环唑和吡唑醚菌酯。
本发明通过杀菌活性化合物I及杀菌活性化合物II,
采用硫酸铜钙和/或贝壳粉和/或硅石灰等作为第一屏障,一方面可以起到杀菌作用,另一方面在附着于柑橘表面后可以达到良好的物理阻隔效果,从而防日灼,发挥前期预防的作用,对柑橘达到预防褐斑病的效果;
另外,本发明的杀菌活性化合物II中的组合物,采用具有不同作用机理的两个化合物复配,提高了对各种褐斑病防御及治疗效果并且延缓抗性;同时具有非常好的传导性,降低了对喷雾均匀度和喷雾量的苛刻要求;治疗与预防俱佳,减少病害反复侵染;
例如在II.1)中的苯醚甲环唑、吡唑醚菌酯:苯醚甲环唑属三唑类杀菌剂,是一种高效、安全、低毒、广谱性杀菌剂,可被植物内吸,渗透作用强,施药后2小时内,即被作物吸收,并有向上传导的特性,可使新生的幼叶、花、果免受病菌为害,能一药多治,对多种真菌性病害都有良好的防治效果;吡唑醚菌酯能防治多种真菌性病害,但主要作用在于保护不在治疗,在未发病或发病初期使用,能具有更好的防效;且对作物的保健作用明显,能显著提高作物品质、卖相、提高总产量,这是一般杀菌剂所不具备的;因此本发明通过苯醚甲环唑与吡唑醚菌酯的复配,一方面能在发病前期进行防控,同时在杀菌活性化合物I的物理隔离作用下,大大降低柑橘因日光灼烧而感染褐斑病的几率,另一方面可在发病后,进行渗透治疗,同时可向上传导,使新生的幼叶、花、果免受病菌为害,双管齐下,大大降低了柑橘褐斑病的发生。
II.2)中的肟菌酯、戊唑醇:肟菌酯是甲氧基丙烯酸酯类杀菌剂,是一种线粒体抑制剂,通过抑制病菌线粒体呼吸作用而致效。其安全性较高,无致突变、致畸和致癌作用,对生殖无不良影响,在土壤、地表水等环境中迅速消解;尤其是施药后部分肟菌酯部分快速代谢为肟菌酸,肟菌酸在环境中相对稳定,可持续性对柑橘褐斑病进行防护治疗;戊唑醇是一种三唑类内吸性杀菌剂,主要对真菌的麦角甾醇的生物合成起抑制作用;肟菌酯和戊唑醇复配可有效防治柑橘早期褐斑病的萌生,其复配后可有效扩大杀菌谱、降低用药量、减少施药次数且延缓抗药性的产生;另外,二者之间的复配还能促进柑橘对氮和碳的吸收,提高柑橘的抗逆性,实现柑橘健康的功效。
II.3)中的氟唑菌酰羟胺、苯醚甲环唑;氟唑菌酰羟胺属琥珀酸脱氢酶抑制剂类杀菌剂,此类杀菌剂具有新型N-甲氧基结构,对菌核病有较高活性、对柑橘褐斑病有较高防效,杀菌效果稳定持久;苯醚甲环唑属三唑类杀菌剂,是一种高效、安全、低毒、广谱性杀菌剂,可被植物内吸,渗透作用强,施药后2小时内,即被作物吸收,并有向上传导的特性,可使新生的幼叶、花、果免受病菌为害,能一药多治,对多种真菌性病害都有良好的防治效果;因此本发明通过氟唑菌酰羟胺与苯醚甲环唑的复配,一方面在柑橘褐斑病发病初期,对柑橘褐斑病具有速效性,使得柑橘褐斑病发展受到抑制,防治效果逐渐提高;另一方面可在发病后期,通过进行渗透治疗,同时可向上传导,使新生的幼叶、花、果免受病菌为害,双管齐下,大大降低了柑橘褐斑病的危害,且二者的复配表现出良好的增产效果。
II.4)氟吡菌酰胺、戊唑醇;氟吡菌酰胺是全新的琥珀酸抑制剂,作用于琥珀酸活性酶,主要通过抑制病菌体内的能量物质“线粒体”中的呼吸链的复合体,病菌失去能量,最终死亡,达到杀灭病菌的目的;且氟吡菌酰胺内吸性很好,都能通过根、茎、叶等部位被吸收并通过韧皮部在植株体内传导,快速且高效地到达病害部位进行治疗;戊唑醇是一种三唑类内吸性杀菌剂,主要对真菌的麦角甾醇的生物合成起抑制作用;以上2种药剂复配能够实现较强的协同增效作用,有更高的防效和广泛的杀菌效果,且持效期长,每季只需施药一次即可。
II.5)苯醚甲环唑,肟菌酯;苯醚甲环唑属三唑类杀菌剂,是一种高效、安全、低毒、广谱性杀菌剂,可被植物内吸,渗透作用强,施药后2小时内,即被作物吸收,并有向上传导的特性,可使新生的幼叶、花、果免受病菌为害,能一药多治,对多种真菌性病害都有良好的防治效果;肟菌酯是甲氧基丙烯酸酯类杀菌剂,是一种线粒体抑制剂,通过抑制病菌线粒体呼吸作用而致效;其安全性较高,无致突变、致畸和致癌作用,对生殖无不良影响,在土壤、地表水等环境中迅速消解;尤其是施药后部分肟菌酯部分快速代谢为肟菌酸,肟菌酸在环境中相对稳定,可持续性对柑橘褐斑病进行防护治疗;二者复配能够实现较强的协同增效作用,快速直达病害,且能稳定的发挥药效,对柑橘及环境均无副作用。
II.6)氟环唑、吡唑醚菌酯;氟环唑是一种内吸性三唑类杀菌剂,其活性成分氟环唑抑制病菌麦角甾醇的合成,阻碍病菌细胞壁的形成,并且氟环唑分子对一种真菌酶有强力亲和性,能更有效抑制病菌原真菌侵入,既能有效控制病害,又能通过调节酶的活性提高作物自身生化抗病性,使作物本身的抗病性大大增强;另外氟环唑内吸性强,可迅速被植株吸收并传导至感病部位,使病害侵染立即停止,局部施药防治彻底,且持效期极佳,抑菌作用可达40天以上,卓越的持留效果,降低了用药次数及劳力成本;吡唑醚菌酯能防治多种真菌性病害,但主要作用在于保护不在治疗,在未发病或发病初期使用,能具有更好的防效;且对作物的保健作用明显,能显著提高作物品质、卖相、提高总产量,这是一般杀菌剂所不具备的;因此通过氟环唑与吡唑醚菌酯的复配,一方面能在发病前期进行防控,同时在杀菌活性化合物I的物理隔离作用下,大大降低柑橘因日光灼烧而感染褐斑病的几率,另一方面可在发病后,可迅速被植株吸收并传导至感病部位,使病害侵染立即停止,双管齐下,大大降低了柑橘褐斑病的危害。
II.7)丙环唑、啶氧菌酯;丙环唑是一种具有治疗和保护双重作用的内吸性三唑类新型广谱性杀菌剂,可被根、茎、叶部吸收,并能很快地在植物株体内向上传导,可有效地防治大多数高等真菌引起的病害;且丙环唑具有杀菌谱广泛、活性高、杀菌速度快、持效期长、内吸传导性强等特点,通过影响甾醇的生物合成,使病原菌的细胞膜功能受到破坏,最终导致细胞死亡,从而起到杀菌、防病和治病的功效。啶氧菌酯为线粒体呼吸抑制剂,即通过在细胞色素b和C1间电子转移抑制线粒体的呼吸,防治对14-脱甲基化酶抑制剂、苯甲酰胺类、三羧酰胺类和苯并咪唑类产生抗性的菌株有效;啶氧菌酯的内吸活性和熏蒸活性表现优异,因而施药后,有效成分能有效再分配及充分传递,因此啶氧菌酯表现出更好的治疗活性。二者复配后,不仅具有良好的增效作用,可以降低用药量,延缓和治理病原菌的抗药性,而且还可使混剂兼具有保护、治疗和内吸作用,实现取长补短、优势互补的目的,扩大了防治谱和使用范围,对柑橘褐斑病具有很好的防治效果。
II.8)丙环唑、吡唑醚菌酯:丙环唑是一种具有治疗和保护双重作用的内吸性三唑类新型广谱性杀菌剂,可被根、茎、叶部吸收,并能很快地在植物株体内向上传导,可有效地防治大多数高等真菌引起的病害;且丙环唑具有杀菌谱广泛、活性高、杀菌速度快、持效期长、内吸传导性强等特点,通过影响甾醇的生物合成,使病原菌的细胞膜功能受到破坏,最终导致细胞死亡,从而起到杀菌、防病和治病的功效。吡唑醚菌酯能防治多种真菌性病害,但主要作用在于保护不在治疗,在未发病或发病初期使用,能具有更好的防效;且对作物的保健作用明显,能显著提高作物品质、卖相、提高总产量,这是一般杀菌剂所不具备的;因此本发明通过苯醚甲环唑与吡唑醚菌酯的复配,一方面能在发病前期进行防控,同时在杀菌活性化合物I的物理隔离作用下,大大降低柑橘因日光灼烧而感染褐斑病的几率,另一方面可在发病后,进行渗透治疗,同时可向上传导,使新生的幼叶、花、果免受病菌为害,双管齐下,大大降低了柑橘褐斑病的发生。二者复配对柑橘褐斑病有很好的防治效果,且其对靶标作物安全,与单剂相比,二者复配后具有速效性好、持效期长的优点,对环境污染少,不易产生药害。
另外需要说明的是:为避免因频繁使用而产生抗药性,建议不同杀菌活性化合物II轮换与杀菌活性化合物I混合使用。
在本实施例中,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:80~80:1。
在本实施例中,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:60~60:1。
在本实施例中,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:10-10:1。
在本实施例中,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:1-1:5。
在本实施例中,II.1)中所述苯醚甲环唑与吡唑醚菌酯的质量百分比为:20-30%:70-80%;II.2)中所述肟菌酯与戊唑醇的质量百分比为:20-30%:70-80%;
II.3)中所述氟唑菌酰羟胺与苯醚甲环唑的质量百分比为:15-25%:75-85%;
II.4)中所述氟吡菌酰胺、戊唑醇的质量百分比为:25-45%:55-75%;
II.5)中所述苯醚甲环唑,肟菌酯的质量百分比为:30-50%:50-70%;
II.6)中所述氟环唑、吡唑醚菌酯的质量百分比为:10-30%:70-90%;
II.7)中所述丙环唑、啶氧菌酯的质量百分比为:10-30%:70-90%;
II.8)中所述丙环唑、吡唑醚菌酯的质量百分比为:30-50%:50-70%。
在本实施例中,所述杀菌组合物的剂型为膏剂、粉剂、颗粒剂、水乳剂、微乳剂、悬浮剂或悬乳剂中的一种。
在本实施例中,所述杀菌组合物还包括粘合剂,所述粘合剂为聚乙烯醇、氰基丙烯酸乙酯、环氧树脂、水性氟碳乳液树脂、水性聚偏二氟乙烯或乙酸乙烯酯中的一种或几种。
在本实施例中,所述杀菌组合物还包括表面活性剂,所述表面活性剂为脂肪醇聚氧乙烯醚、聚氧乙烯烷基芳基醚、聚氧乙烯高级脂肪酸酯、聚氧乙烯醇或酚的磷酸酯、多元醇的脂肪酸酯、萘磺酸聚合物、木质素磺酸盐、高分子梳形的支状共聚物、丁基萘磺酸盐、烷基芳基磺酸盐、烷基磺基琥珀酸钠、油脂、脂肪醇与环氧乙烷缩合物、烷基牛磺酸盐等聚丙烯酸盐、蛋白质水解物中的一种或几种。
在本实施例中,所述杀菌组合物还包括乳化剂,所述乳化剂为黄原胶、硅酸镁铝、明胶、淀粉、纤维素甲醚、卵磷脂、木质素磺酸钠中的一种或几种;从而使有效成分化合物分散稳定化、附着以及/或者结合,使得所制得的药物可均匀的涂抹于柑橘表面。
通过上述表面活性剂、乳化剂及粘合剂与杀菌活性化合物I及杀菌活性化合物II之间混合复配制备得到一种中性或者弱酸性的乳化剂或膏剂等,保证农药的稳定性;从而可以更均匀地涂抹并能稳定地附着于柑橘表面,从而高效地发挥药效。
一种柑橘褐斑病的防治方法,将上述杀菌组合物于夏至前一周或两周,首次涂抹或喷涂于柑橘表面;然后间隔1-2个月再继续涂抹或喷涂,直至12月。在夏至即最热的时节到来之前,提前对柑橘进行防控,使得柑橘表面形成强有效地物理隔绝及前期预防,大大降低柑橘感染褐斑病的几率;在夏至之后间隔性进行涂抹,从而进行晒后防护、治疗或巩固效果,
除此之外,本发明杀菌组合物还可以用于防治其他果物、禾本科作物、花卉、蔬菜上的褐斑病、白叶枯病、纹枯病、炭疽病、轮纹病、叶斑病、赤霉病、霜霉病、疫病、白粉病、恶苗病、青霉病、柑橘疮痂病、斑点落叶病、锈病、黑星病的用途。
实施例1
一种用于柑橘褐斑病的杀菌组合物,包括30g硫酸铜钙、30g贝壳粉、40g硅石灰粉、1600g苯醚甲环唑、6400g吡唑醚菌酯;还包括50g脂肪醇聚氧乙烯醚、50g黄原胶及50g环氧树脂,其余为水。
实施例2
一种用于柑橘褐斑病的杀菌组合物,包括300g硫酸铜钙、300g贝壳粉、400g硅石灰粉、3.5g苯醚甲环唑、9g吡唑醚菌酯;还包括50g脂肪醇聚氧乙烯醚、50g黄原胶及50g环氧树脂,其余为水。
实施例3
一种用于柑橘褐斑病的杀菌组合物,包括50g硫酸铜钙、50g硅石灰粉、1800g肟菌酯、4200g戊唑醇;还包括50g脂肪醇聚氧乙烯醚、50g黄原胶及50g水性氟碳乳液树脂,其余为水。
实施例4
一种用于柑橘褐斑病的杀菌组合物,包括500g硫酸铜钙、500g硅石灰粉、5g肟菌酯、12g戊唑醇;还包括50g脂肪醇聚氧乙烯醚、50g黄原胶及50g水性氟碳乳液树脂,其余为水。
实施例5
一种用于柑橘褐斑病的杀菌组合物,包括40g硫酸铜钙、60g硅石灰粉、200g氟唑菌酰羟胺、800g苯醚甲环唑;还包括50g聚氧乙烯烷基芳基醚、50g明胶及50g氰基丙烯酸乙酯,其余为水。
实施例6
一种用于柑橘褐斑病的杀菌组合物,包括400g硫酸铜钙、600g硅石灰粉、25g氟唑菌酰羟胺、75g苯醚甲环唑;还包括50g聚氧乙烯烷基芳基醚、50g明胶及50g氰基丙烯酸乙酯,其余为水。
实施例7
一种用于柑橘褐斑病的杀菌组合物,包括50g硫酸铜钙、50g硅石灰粉、1800g氟吡菌酰胺、3600g戊唑醇;还包括50g聚氧乙烯烷基芳基醚、50g明胶及50g氰基丙烯酸乙酯,其余为水。
实施例8
一种用于柑橘褐斑病的杀菌组合物,包括500g硫酸铜钙、500g硅石灰粉、60g氟吡菌酰胺、120g戊唑醇;还包括50g聚氧乙烯烷基芳基醚、50g明胶及50g氰基丙烯酸乙酯,其余为水。
实施例9
一种用于柑橘褐斑病的杀菌组合物,包括60g硫酸铜钙、40g硅石灰粉、400g苯醚甲环唑、600g肟菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实施例10
一种用于柑橘褐斑病的杀菌组合物,包括600g硫酸铜钙、400g硅石灰粉、80g苯醚甲环唑、120g肟菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实施例11
一种用于柑橘褐斑病的杀菌组合物,包括60g硫酸铜钙、40g硅石灰粉、200g氟环唑、800g吡唑醚菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实施例12
一种用于柑橘褐斑病的杀菌组合物,包括600g硫酸铜钙、400g硅石灰粉、20g氟环唑、80g吡唑醚菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实施例13
一种用于柑橘褐斑病的杀菌组合物,包括50g硫酸铜钙、50g硅石灰粉、250g丙环唑、750g啶氧菌酯;还包括50g烷基芳基磺酸盐、50g卵磷脂及50g水性氟碳乳液树脂,其余为水。
实施例14
一种用于柑橘褐斑病的杀菌组合物,包括500g硫酸铜钙、500g硅石灰粉、3.5g丙环唑、13.5g啶氧菌酯;还包括50g烷基芳基磺酸盐、50g卵磷脂及50g水性氟碳乳液树脂,其余为水。
实施例15
一种用于柑橘褐斑病的杀菌组合物,包括60g硫酸铜钙、40g硅石灰粉、200g丙环唑、800g吡唑醚菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实施例16
一种用于柑橘褐斑病的杀菌组合物,包括600g硫酸铜钙、400g硅石灰粉、40g丙环唑、60g吡唑醚菌酯;还包括50g木质素磺酸盐、50g纤维素甲醚及50g水性聚偏二氟乙烯,其余为水。
实验例1
于2018年在眉山农业示范基地采用随机区组试验进行柑橘的种植,选取9个试验组,每个试验组包括5棵柑橘果树;其中8个试验组分别将实施例1、3、5、7、9、11、13、15的杀菌组合物于夏至前一周或两周,首次涂抹或喷涂于柑橘表面;然后间隔1-2个月再继续涂抹或喷涂,直至12月;1个试验组的柑橘不做处理,作为空白对照组;
1.分别对柑橘的病果率、病情指数及相比空白对照组的增产率进行分析,结果见表1:
表1柑橘的生长指标
病果率(%) | 病情指数 | 增产率(%) | |
实施例1 | 0.92 | 2.38 | 112 |
实施例3 | 1.03 | 3.03 | 115 |
实施例5 | 0.89 | 2.63 | 105 |
实施例7 | 1.14 | 3.11 | 109 |
实施例9 | 0.98 | 3.23 | 110 |
实施例11 | 0.93 | 3.08 | 116 |
实施例13 | 1.11 | 3.16 | 113 |
实施例15 | 1.07 | 2.87 | 109 |
空白对照组 | 13.4 | 40.1 | - |
由表1数据可知:本发明实施例的杀菌药物可大大减轻柑橘的病果率、病情指数,并能提升柑橘的产量收益,对柑橘褐斑病具有很好的防治效果,本发明利用上述杀菌药物一方面对柑橘在发病前期进行防控,同时杀菌药物对柑橘起到了物理隔离的作用,大大降低柑橘因日光灼烧而感染褐斑病的几率;另一方面可在发病后,迅速被植株吸收并传导至感病部位,且缓释效果明显,持效期长,对柑橘的生长周期中的褐斑病的防控发挥了显著的作用;同时使新生的幼叶、花、果免受病菌为害,双管齐下,大大降低了柑橘褐斑病的发生;因此本发明杀菌药物兼具有保护、治疗和内吸作用,实现取长补短、优势互补的目的,扩大了防治谱和使用范围,对柑橘褐斑病具有很好的防治效果。除此之外杀菌药物的活性成分还能促进柑橘对氮和碳的吸收,提高柑橘的抗逆性,实现柑橘生长健康的功效。
另外,本发明实验例中所得的柑橘果实大小相近,无畸形果,无褐斑,且果香味及水分足;而空白对照组所得的柑橘大小不一致,果皮褐斑明显甚至出现了裂纹;水分及口感差。
2.本实施例的杀菌药物对柑橘的药效防治效果试验结果见表2:
表2防治效果试验
由表2数据可知:采用本发明的杀菌药物的防治方法对柑橘褐斑病具有速效性强、防治效果好、持效期较长的优势。
以上仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种用于柑橘褐斑病的杀菌组合物,其特征在于,包括杀菌活性化合物I及杀菌活性化合物II,
所述杀菌活性化合物I为硫酸铜钙和/或贝壳粉和/或硅石灰粉;
所述杀菌活性化合物II为II.1-II.8中的任意一种,
II.1)苯醚甲环唑和吡唑醚菌酯;
II.2)肟菌酯和戊唑醇;
II.3)氟唑菌酰羟胺和苯醚甲环唑;
II.4)氟吡菌酰胺和戊唑醇;
II.5)苯醚甲环唑和肟菌酯;
II.6)氟环唑和吡唑醚菌酯;
II.7)丙环唑和啶氧菌酯;
II.8)丙环唑和吡唑醚菌酯。
2.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:80~80:1。
3.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:60~60:1。
4.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,所述杀菌活性化合物I与杀菌活性化合物II的质量比为1:10-10:1。
5.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,
II.1)中所述苯醚甲环唑与吡唑醚菌酯的质量百分比为:20-30%:70-80%;
II.2)中所述肟菌酯与戊唑醇的质量百分比为:20-30%:70-80%;
II.3)中所述氟唑菌酰羟胺与苯醚甲环唑的质量百分比为:15-25%:75-85%;
II.4)中所述氟吡菌酰胺、戊唑醇的质量百分比为:25-45%:55-75%;
II.5)中所述苯醚甲环唑,肟菌酯的质量百分比为:30-50%:50-70%;
II.6)中所述氟环唑、吡唑醚菌酯的质量百分比为:10-30%:70-90%;
II.7)中所述丙环唑、啶氧菌酯的质量百分比为:10-30%:70-90%;
II.8)中所述丙环唑、吡唑醚菌酯的质量百分比为:30-50%:50-70%。
6.根据权利要求1-5任一项所述的用于柑橘褐斑病的杀菌组合物,其特征在于,所述杀菌组合物的剂型为膏剂、粉剂、颗粒剂、水乳剂、微乳剂、悬浮剂或悬乳剂中的一种。
7.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,还包括粘合剂,所述粘合剂为聚乙烯醇、氰基丙烯酸乙酯、环氧树脂、水性氟碳乳液树脂、水性聚偏二氟乙烯或乙酸乙烯酯中的一种或几种。
8.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,还包括表面活性剂,所述表面活性剂为脂肪醇聚氧乙烯醚、聚氧乙烯烷基芳基醚、聚氧乙烯高级脂肪酸酯、聚氧乙烯醇或酚的磷酸酯、多元醇的脂肪酸酯、萘磺酸聚合物、木质素磺酸盐、高分子梳形的支状共聚物、丁基萘磺酸盐、烷基芳基磺酸盐、烷基磺基琥珀酸钠、油脂、脂肪醇与环氧乙烷缩合物、烷基牛磺酸盐等聚丙烯酸盐、蛋白质水解物中的一种或几种。
9.根据权利要求1所述的用于柑橘褐斑病的杀菌组合物,其特征在于,还包括乳化剂,所述乳化剂为黄原胶、硅酸镁铝、明胶、淀粉、纤维素甲醚、卵磷脂中的一种或几种。
10.一种根据权利要求1-9任一项所述的柑橘褐斑病的防治方法,其特征在于,将所述杀菌组合物于夏至前一周或两周,首次涂抹或喷涂于柑橘表面;然后间隔1-2个月再继续涂抹或喷涂,直至12月。
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