CN108208038A - 一种适用于水稻的拌种剂 - Google Patents
一种适用于水稻的拌种剂 Download PDFInfo
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Abstract
本发明公开了一种适用于水稻的拌种剂,具体包括以下成分及其重量份为:植物源提取物40‑60份、吡虫啉3‑5份、精甲霜灵2‑5份、水杨酸3‑6份、柠檬酸铵0.06‑0.2份、助剂1‑3份、高分子吸水树脂0.2‑3份、脱落酸3‑5份、那氏齐齐发1‑3份、微量元素3‑5份和黄腐酸3‑5份。有益效果为:本发明拌种剂中各有效成分具有显著的增效作用,具有保水和防治病虫害的作用,具有很好的传导特性和多作用位点,可提高种子中防御酶的活性,能增加秧苗的叶绿素含量和根系活力。
Description
技术领域
本发明涉及农药技术领域,尤其是涉及用于一种适用于水稻的拌种剂。
背景技术
水稻是一年生禾本科植物,原产于中国,是世界主要粮食作物之一。水稻所结子实即稻谷,去壳后称大米或米,世界上近一半人口,包括几乎整个东亚和东南亚的人口,都以稻米为食。水稻也是我国最重要的粮食作物之一,全国水稻种植面积约占粮食作物面积的30%,产量接近粮食总产量的一半。栽培历史已有14000-18000年。水稻是重要粮食作物,还可制淀粉、酿酒、制醋,米糠可制糖、榨油、提取糠醛,供工业及医药用;稻秆为良好饲料及造纸原料和编织材料,谷芽和稻根可供药用。
种子是农业生产特殊的、不可替代的、最基础的生产资料,种子质量的好坏直接影响农业生产的安全。种子的发芽及出苗情况是有品种的遗传特性和环境因素共同作用的结果。对种子进行处理,不仅促进作物生育安全和使作物健康茁壮成长,而且与作用于植物叶面的植保产品相比,种子处理剂能以很低的用量和较高的防效控制种传病害的发生,使作物免受病菌和地下害虫的为害,是作物病虫害综合治理(IPM)中具有重要意义的首要环节。种子处理技术主要包括种子包衣、种子丸粒化、浸种、拌种等。我国从50年代就开始利用药剂浸种、拌种来防治农作物地下害虫和苗期病害。当前我国水稻种子处理主要是浸种,通过药剂浸种,防治威胁水稻生产的两种种传病害—恶苗病和干尖线虫病。这两种病害均为水稻系统侵染病害,一旦发生,无任何治疗和补救措施。因此,通过药剂种子处理从源头上杀灭种子中潜伏的越冬病原,是这两种病害唯一有效的防治途径。
拌种剂生产工艺简单、使用简便、处理量大,不仅能让种子充分吸收各种有效成分,而且水稻药剂拌种是防治部分种(土)传病害及苗期病虫害的有效途径,也是防治水稻恶苗病和干尖线虫病的方法之一。目前,农业生产上水稻拌种剂种类繁多,多以杀菌、消毒为主,但使用效果却参差不齐,效果单一、并且不是很好,在苗期恶苗病和干尖线虫病发生率还是较高。而采用拌种剂对种子进行处理是防病促生的一项经济、简便且有效的措施。因此,有必要提出一种安全、高效应用的水稻拌种剂。
发明内容
本发明的目的在于提供一种各有效成分具有显著的增效作用,具有保水和防治病虫害的作用,具有很好的传导特性和多作用位点,可提高种子中防御酶的活性,能增加秧苗的叶绿素含量和根系活力的适用于水稻的拌种剂。
本发明针对背景技术中提到的问题,采取的技术方案为:
一种适用于水稻的拌种剂,具体包括以下成分及其重量份为:植物源提取物40-60份、吡虫啉3-5份、精甲霜灵2-5份、水杨酸3-6份、柠檬酸铵0.06-0.2份、助剂1-3份、高分子吸水树脂0.2-3份、脱落酸3-5份、那氏齐齐发1-3份、微量元素3-5份和黄腐酸3-5份。上述拌种剂中各有效成分具有显著的增效作用,具有保水和防治病虫害的作用,且病原菌和害虫不易对其产生抗药性,具有很好的传导特性和多作用位点,对作物和环境安全,可提高种子中防御酶的活性,以便及时转化、清理遭受病原菌感染时产生的过氧化物和多酚类物质等对自身有害的物质,从而抵御病原菌的侵染,保证自身的出苗率和长势;能够提高水稻的发芽率和抗寒抗旱能力,增加单株水稻苗体茎粗和地下部分根条数、根长和根干重,从而整体提高晚稻秧苗素质,使得水稻秧苗在假茎宽、单株总根数、单株白根数、单株鲜重、干重、分蘖率等方面表现出明显优势。
作为优选,植物源提取物的制备方法为:按重量份取青蒿20-30份、马齿苋20-30份、艾叶10-15份、鱼腥草10-15份、和苦皮藤20-30份、大蒜1-2份,然后按料液比为1:3-5(g/mL)向混合物中加水,混合均匀,在微波功率为200-250W下微波提取12-18min,冷却至室温,然后在转速为6000-8000r/min的离心机中离心10-20min,收集上清液,浓缩至总药量的50-60%,即得植物源提取物,该杀菌剂中各有效成分能够相互增益,杀菌效果好,对靶向物有多种生物活性,能快速灭杀害虫,杀虫效果好,能够干扰靶向物正常的内分泌系统、呼吸系统和神经系统,导致昆虫生长发育出现异常而死亡,该植物源提取物易于被种子吸收,药效持久性强,同时该植物源提取物属于生物防治,药效较慢,适合用作拌种剂,且在自然界中能完全降解,符合环境相容性发展的要求。
作为优选,水杨酸和柠檬酸铵的重量比为1:0.02-0.04,水杨酸能与过氧化氢酶结合抑制其活性,从而使H2O2积累,可以诱导多种植物对真菌、细菌和病毒病害产生抗性,而柠檬酸铵可协同水杨酸提高植物体内防御物质或信号的含量,最终提高植物自身对病原菌的防御能力,同时可以催化酚类物质合成木质素的反应,促进细胞壁的木质化来抵御病原菌的侵害,还增加了秧苗的叶绿素含量和根系活力,这有利于秧苗光合作用的增强和干物质的积累,并提高秧苗的根系适应性,在移栽后有较强的发根力,秧苗成活率高,这也为后期水稻的生长发育奠定了良好基础。
作为优选,助剂为有机硅和邻苯二甲酸酐,其重量比为1:0.045-0.049,该助剂对拌种剂有增效作用,能明显改善拌种剂的润湿、展布、分散、滞留和渗透性能,利于药液在种子表面铺展及黏附、减少紫外线对拌种剂中有效成分的分解,达到延长药效有效期、提高其生物活性、减少用量、降低成本、保护生态环境的目的,且可大大提高拌种剂的防治效果,还可延缓抗性产生,延长拌种剂的使用时间,进而抑制土壤中真菌、细菌孢子囊的萌发,减少组织病原物的再侵染,同时可延缓真菌、细菌和病毒病害的抗药性,最终减少真菌、细菌和病毒病害的发生与蔓延,邻苯二甲酸酐的加入可使得拌种剂具有很好的传导特性,使得拌种剂被种皮和植物根部的吸收变为主动吸收,可以通过种子种皮和根部传导到植物的各个部位,包括茎、叶等,最大范围内灭杀真菌、细菌和病毒病害,且能够在根部积累,对于土壤病害也有优异的防治效果。
作为优选,高分子吸水树脂为淀粉水解型树脂或聚丙烯酸型吸水树脂或聚苯乙烯树脂,其吸水率为550-650g/g,该高分子吸水树脂能够吸收土壤中的水分到达种子周围,在种子周围形成衡湿环境,供种子生根发芽和作物生长,提高拌种剂的抗旱效果,使得水稻出苗后如遇干旱天气,在高分子吸水树脂的作用下,作物根部的土壤仍可保持潮湿的环境,为植物生长提供水分。
一种适用于水稻的拌种剂,其制备方法的具体步骤为:
先将水加到反应釜中,开动高剪切混合乳化机,在剪切转速2000-2500r/min的条件下搅拌,加入高分子吸水树脂,使其均匀分散在水相中,然后在搅拌下依次加入植物源提取物、吡虫啉、精甲霜灵、水杨酸、柠檬酸铵、助剂、脱落酸、那氏齐齐发、微量元素和黄腐酸,然后在搅拌速度为80-100r/min的条件下分散搅拌20-30min,即得适用于水稻的拌种剂。该拌种剂均匀涂于种子表面,使种子与病虫害隔离,具有保水和防治病虫害的作用,并且幼苗能利用根系持续地向上吸收部分残留于土壤中的药物,延长药剂对病虫害的持效期,提高水稻的发芽率和抗寒抗旱能力;增强幼苗的抗逆能力,还能能够激发、诱导作物潜在的、休眠的、退化了的基因潜能,使作物产生不同需要的诱导调控,提高作物自身的自调控能力抗性和高光效率所产生的相应高肥水效率,可以增产、增效,以及增强水稻的抗病、抗灾、抗逆能力。
一种适用于水稻的拌种剂,其使用方法为:将拌种剂用水稀释8-12倍,然后将作物的种子放在拌种剂溶液中,拌种剂与种子按重量比为1:100-300进行拌种,静置2-3h,自然晾干,即可播种。该拌种剂用于作物种子的拌种使用,能够防治植物的霜霉病的发生,而且对作物以后的生长不会带来影响,成本低廉,易于推广。
与现有技术相比,本发明的优点在于:1)本发明拌种剂中各有效成分具有显著的增效作用,具有保水和防治病虫害的作用,且病原菌和害虫不易对其产生抗药性,能够提高水稻的发芽率和抗寒抗旱能力,增加单株水稻苗体茎粗和地下部分根条数、根长和根干重,从而整体提高晚稻秧苗素质;2)该拌种剂具有很好的传导特性和多作用位点,对作物和环境安全,可提高种子中防御酶的活性,以便及时转化、清理遭受病原菌感染时产生的过氧化物和多酚类物质等对自身有害的物质,从而抵御病原菌的侵染;3)该拌种剂能增加秧苗的叶绿素含量和根系活力,有利于秧苗光合作用的增强和干物质的积累,并提高秧苗的根系适应性,在移栽后有较强的发根力,秧苗成活率高,这也为后期水稻的生长发育奠定了良好基础;4)该拌种剂的制备方法简单可行,易于工业化生产,制得的拌种剂使用灵活,简便易操作,而且对作物以后的生长不会带来影响,成本低廉,易于推广。
具体实施方式
下面通过实施例对本发明作进一步说明:
实施例1:
一种适用于水稻的拌种剂,具体包括以下成分及其重量份为:植物源提取物60份、吡虫啉3份、精甲霜灵5份、水杨酸3份、柠檬酸铵0.2份、助剂1份、高分子吸水树脂3份、脱落酸3份、那氏齐齐发3份、微量元素3份和黄腐酸5份。上述拌种剂中各有效成分具有显著的增效作用,具有保水和防治病虫害的作用,且病原菌和害虫不易对其产生抗药性,具有很好的传导特性和多作用位点,对作物和环境安全,可提高种子中防御酶的活性,以便及时转化、清理遭受病原菌感染时产生的过氧化物和多酚类物质等对自身有害的物质,从而抵御病原菌的侵染,保证自身的出苗率和长势;能够提高水稻的发芽率和抗寒抗旱能力,增加单株水稻苗体茎粗和地下部分根条数、根长和根干重,从而整体提高晚稻秧苗素质,使得水稻秧苗在假茎宽、单株总根数、单株白根数、单株鲜重、干重、分蘖率等方面表现出明显优势。
上述植物源提取物的制备方法为:按重量份取青蒿20份、马齿苋30份、艾叶10份、鱼腥草15份、和苦皮藤20份、大蒜2份,然后按料液比为1:3(g/mL)向混合物中加水,混合均匀,在微波功率为250W下微波提取12min,冷却至室温,然后在转速为8000r/min的离心机中离心10min,收集上清液,浓缩至总药量的60%,即得植物源提取物,该杀菌剂中各有效成分能够相互增益,杀菌效果好,对靶向物有多种生物活性,能快速灭杀害虫,杀虫效果好,能够干扰靶向物正常的内分泌系统、呼吸系统和神经系统,导致昆虫生长发育出现异常而死亡,该植物源提取物易于被种子吸收,药效持久性强,同时该植物源提取物属于生物防治,药效较慢,适合用作拌种剂,且在自然界中能完全降解,符合环境相容性发展的要求。
上述水杨酸和柠檬酸铵的重量比为1:0.02,水杨酸能与过氧化氢酶结合抑制其活性,从而使H2O2积累,可以诱导多种植物对真菌、细菌和病毒病害产生抗性,而柠檬酸铵可协同水杨酸提高植物体内防御物质或信号的含量,最终提高植物自身对原菌的防御能力,同时可以催化酚类物质合成木质素的反应,促进细胞壁的木质化来抵御病原菌的侵害,还增加了秧苗的叶绿素含量和根系活力,这有利于秧苗光合作用的增强和干物质的积累,并提高秧苗的根系适应性,在移栽后有较强的发根力,秧苗成活率高,这也为后期水稻的生长发育奠定了良好基础。
上述助剂为有机硅和邻苯二甲酸酐,其重量比为1:0.049,该助剂对拌种剂有增效作用,能明显改善拌种剂的润湿、展布、分散、滞留和渗透性能,利于药液在种子表面铺展及黏附、减少紫外线对拌种剂中有效成分的分解,达到延长药效有效期、提高其生物活性、减少用量、降低成本、保护生态环境的目的,且可大大提高拌种剂的防治效果,还可延缓抗性产生,延长拌种剂的使用时间,进而抑制土壤中真菌、细菌孢子囊的萌发,减少组织病原物的再侵染,同时可延缓真菌、细菌和病毒病害的抗药性,最终减少真菌、细菌和病毒病害的发生与蔓延,邻苯二甲酸酐的加入可使得拌种剂具有很好的传导特性,使得拌种剂被种皮和植物根部的吸收变为主动吸收,可以通过种子种皮和根部传导到植物的各个部位,包括茎、叶等,最大范围内灭杀真菌、细菌和病毒病害,且能够在根部积累,对于土壤病害也有优异的防治效果。
上述高分子吸水树脂为淀粉水解型树脂或聚丙烯酸型吸水树脂或聚苯乙烯树脂,其吸水率为550g/g,该高分子吸水树脂能够吸收土壤中的水分到达种子周围,在种子周围形成衡湿环境,供种子生根发芽和作物生长,提高拌种剂的抗旱效果,使得水稻出苗后如遇干旱天气,在高分子吸水树脂的作用下,作物根部的土壤仍可保持潮湿的环境,为植物生长提供水分。
一种适用于水稻的拌种剂,其制备方法的具体步骤为:
先将水加到反应釜中,开动高剪切混合乳化机,在剪切转速2500r/min的条件下搅拌,加入高分子吸水树脂,使其均匀分散在水相中,然后在搅拌下依次加入植物源提取物、吡虫啉、精甲霜灵、水杨酸、柠檬酸铵、助剂、脱落酸、那氏齐齐发、微量元素和黄腐酸,然后在搅拌速度为80r/min的条件下分散搅拌30min,即得适用于水稻的拌种剂。该拌种剂均匀涂于种子表面,使种子与病虫害隔离,具有保水和防治病虫害的作用,并且幼苗能利用根系持续地向上吸收部分残留于土壤中的药物,延长药剂对病虫害的持效期,提高水稻的发芽率和抗寒抗旱能力;增强幼苗的抗逆能力,还能能够激发、诱导作物潜在的、休眠的、退化了的基因潜能,使作物产生不同需要的诱导调控,提高作物自身的自调控能力抗性和高光效率所产生的相应高肥水效率,可以增产、增效,以及增强水稻的抗病、抗灾、抗逆能力。
一种适用于水稻的拌种剂,其使用方法为:将拌种剂用水稀释8倍,然后将作物的种子放在拌种剂溶液中,拌种剂与种子按重量比为1:300进行拌种,静置2h,自然晾干,即可播种。该拌种剂用于作物种子的拌种使用,能够防治植物的霜霉病的发生,而且对作物以后的生长不会带来影响,成本低廉,易于推广。
实施例2:
一种适用于水稻的拌种剂,具体包括以下成分及其重量份为:植物源提取物40份、吡虫啉5份、精甲霜灵2份、水杨酸6份、柠檬酸铵0.06份、助剂3份、高分子吸水树脂0.2份、脱落酸5份、那氏齐齐发1份、微量元素5份和黄腐酸3份。
上述植物源提取物的制备方法为:按重量份取青蒿30份、马齿苋20份、艾叶15份、鱼腥草10份、和苦皮藤30份、大蒜1份,然后按料液比为1:5(g/mL)向混合物中加水,混合均匀,在微波功率为200W下微波提取18min,冷却至室温,然后在转速为6000r/min的离心机中离心20min,收集上清液,浓缩至总药量的50%,即得植物源提取物。
上述水杨酸和柠檬酸铵的重量比为1:0.04;助剂为有机硅和邻苯二甲酸酐,其重量比为1:0.045;高分子吸水树脂为淀粉水解型树脂或聚丙烯酸型吸水树脂或聚苯乙烯树脂,其吸水率为650g/g。
一种适用于水稻的拌种剂,其制备方法的具体步骤为:
先将水加到反应釜中,开动高剪切混合乳化机,在剪切转速2000r/min的条件下搅拌,加入高分子吸水树脂,使其均匀分散在水相中,然后在搅拌下依次加入植物源提取物、吡虫啉、精甲霜灵、水杨酸、柠檬酸铵、助剂、脱落酸、那氏齐齐发、微量元素和黄腐酸,然后在搅拌速度为100r/min的条件下分散搅拌20min,即得适用于水稻的拌种剂。
一种适用于水稻的拌种剂,其使用方法为:将拌种剂用水稀释12倍,然后将作物的种子放在拌种剂溶液中,拌种剂与种子按重量比为1:100进行拌种,静置3h,自然晾干,即可播种。
实施例3:
一种适用于水稻的拌种剂,具体包括以下成分及其重量份为:植物源提取物50份、吡虫啉4份、精甲霜灵3份、水杨酸5份、柠檬酸铵0.15份、助剂2份、高分子吸水树脂1份、脱落酸4份、那氏齐齐发2份、微量元素4份和黄腐酸4份。
上述植物源提取物的制备方法为:按重量份取青蒿25份、马齿苋25份、艾叶12份、鱼腥草12份、和苦皮藤25份、大蒜1.5份,然后按料液比为1:4(g/mL)向混合物中加水,混合均匀,在微波功率为220W下微波提取15min,冷却至室温,然后在转速为7000r/min的离心机中离心15min,收集上清液,浓缩至总药量的55%,即得植物源提取物。
上述水杨酸和柠檬酸铵的重量比为1:0.03;助剂为有机硅和邻苯二甲酸酐,其重量比为1:0.047;高分子吸水树脂为淀粉水解型树脂或聚丙烯酸型吸水树脂或聚苯乙烯树脂,其吸水率为600g/g。
一种适用于水稻的拌种剂,其制备方法的具体步骤为:
先将水加到反应釜中,开动高剪切混合乳化机,在剪切转速2200r/min的条件下搅拌,加入高分子吸水树脂,使其均匀分散在水相中,然后在搅拌下依次加入植物源提取物、吡虫啉、精甲霜灵、水杨酸、柠檬酸铵、助剂、脱落酸、那氏齐齐发、微量元素和黄腐酸,然后在搅拌速度为90r/min的条件下分散搅拌25min,即得适用于水稻的拌种剂。
一种适用于水稻的拌种剂,其使用方法为:将拌种剂用水稀释10倍,然后将作物的种子放在拌种剂溶液中,拌种剂与种子按重量比为1:200进行拌种,静置2.5h,自然晾干,即可播种。
本发明的操作步骤中的常规操作为本领域技术人员所熟知,在此不进行赘述。
以上所述的实施例对本发明的技术方案进行了详细说明,应理解的是以上所述仅为本发明的具体实施例,并不用于限制本发明,凡在本发明的原则范围内所做的任何修改、补充或类似方式替代等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种适用于水稻的拌种剂,其特征在于:所述拌种剂包括以下成分及其重量份为:植物源提取物40-60份、吡虫啉3-5份、精甲霜灵2-5份、水杨酸3-6份、柠檬酸铵0.06-0.2份、助剂1-3份、高分子吸水树脂0.2-3份、脱落酸3-5份、那氏齐齐发1-3份、微量元素3-5份和黄腐酸3-5份。
2.据权利要求1所述的一种适用于水稻的拌种剂,其特征在于:所述植物源提取物的制备方法为:按重量份取青蒿20-30份、马齿苋20-30份、艾叶10-15份、鱼腥草10-15份、和苦皮藤20-30份、大蒜1-2份,然后按料液比为1:3-5(g/mL)向混合物中加水,混合均匀,微波提取,冷却至室温,离心,收集上清液,浓缩至总药量的50-60%,即得植物源提取物。
3.根据权利要求1所述的一种适用于水稻的拌种剂,其特征在于:所述水杨酸和柠檬酸铵的重量比为1:0.02-0.04。
4.根据权利要求1所述的一种适用于水稻的拌种剂,其特征在于:所述助剂为有机硅和邻苯二甲酸酐,其重量比为1:0.045-0.049。
5.根据权利要求1所述的一种适用于水稻的拌种剂,其特征在于:所述高分子吸水树脂为淀粉水解型树脂或聚丙烯酸型吸水树脂或聚苯乙烯树脂,其吸水率为550-650g/g。
6.根据权利要求1至5任一项所述的一种适用于水稻的拌种剂,其特征在于:所述拌种剂的制备方法为:先将水加到反应釜中,开动高剪切混合乳化机,在剪切转速2000-2500r/min的条件下搅拌,加入高分子吸水树脂,使其均匀分散在水相中,然后在搅拌下依次加入植物源提取物、吡虫啉、精甲霜灵、水杨酸、柠檬酸铵、助剂、脱落酸、那氏齐齐发、微量元素和黄腐酸,然后在搅拌速度为80-100r/min的条件下分散搅拌20-30min,即得适用于水稻的拌种剂。
7.据权利要求1至6任一项所述的一种适用于水稻的拌种剂,其特征在于:所述拌种剂的使用方法为:将拌种剂用水稀释8-12倍,然后将作物的种子放在拌种剂溶液中,拌种剂与种子按重量比为1:100-300进行拌种,静置2-3h,自然晾干,即可播种。
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