CN110558335B - 一种水稻浸种剂及其应用 - Google Patents

一种水稻浸种剂及其应用 Download PDF

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CN110558335B
CN110558335B CN201910915443.6A CN201910915443A CN110558335B CN 110558335 B CN110558335 B CN 110558335B CN 201910915443 A CN201910915443 A CN 201910915443A CN 110558335 B CN110558335 B CN 110558335B
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洪永波
楼向阳
林峰
练旺民
赵海涵
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China National Rice Research Institute
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Abstract

本发明提供了一种水稻浸种剂及其应用,涉及水稻浸种剂技术领域。本发明所述浸种剂包括以下重量百分含量的原料:植物生长调节剂1~1.5%、杀虫剂7~16%、成膜剂20~30%、营养剂35~50%、微生物菌剂0.5~1.5%和水10~20%;所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素;所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥;所述微生物菌剂包括枯草芽孢杆菌、木霉菌和丛枝菌根菌剂。本发明通过对不同品种的水稻种子进行试验,即便是在种子不利于发芽的12℃条件下,依然可以在2d左右发芽,且后期分蘖数平均达15.2个分蘖/株以上。因此可将所述水稻浸种剂应用于提高水稻分蘖数和恶苗病抗性。

Description

一种水稻浸种剂及其应用
技术领域
本发明属于水稻浸种剂技术领域,具体涉及一种水稻浸种剂及其应用。
背景技术
作物生长周期中,总是经常受到病虫害的威胁,特别是苗期病虫害一直是农业专家和农民非常关注的问题,以往采用的是药剂拌种、浸种等传统种子消毒方法以及土壤消毒方法进行处理,这些方法虽然有一定作用,但效果不很理想;采用浸种法,将药剂稀释于水中,用药量大,浪费多,采取药剂拌种易造成拌种不均匀,或造成种子损害,这些方法都有一个共同的问题是药剂在种子上的附着力差,种子搬运或播种后遇水时易脱落,持效期短,且药剂用量大,种子消毒必须在播种前短时间内进行,很难实现种子处理的工业化;土壤消毒药剂用量大,成本高,费工费时,环境污染严重。
发明内容
有鉴于此,本发明的目的在于提供一种水稻浸种剂,原料来源广泛且毒性较弱,同时可为水稻种子提供萌芽必需的营养物质条件和积温需求,促进水稻快速萌发,提高壮苗率和分蘖数;而且还可以抵抗多种种传病害和土传病害的侵害,减少化学药剂用量,减轻环境压力。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种水稻浸种剂,所述浸种剂包括以下重量百分含量的原料:植物生长调节剂1~1.5%、杀虫剂7~16%、成膜剂20~30%、营养剂35~50%、微生物菌剂0.5~1.5%和水10~20%;所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素;所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥;所述微生物菌剂包括枯草芽孢杆菌、木霉菌和丛枝菌根菌剂。
优选的,所述植物生长调节剂中包括:芸薹素内酯、烯效唑和萘乙酸,所述芸薹素内酯、烯效唑和萘乙酸的质量比为0.025~0.1∶0.1~0.16∶0.5~1。
优选的,所述杀虫剂包括吡虫啉、杀虫双、乙酰甲胺磷、丁硫克百威或久效磷。
优选的,所述成膜剂中海藻粉、羟甲基纤维素钠和甲壳素的重量比为8~12∶1~3∶0.5~1。
优选的,所述述微生物菌剂中枯草芽孢杆菌、木霉菌和丛枝菌根菌剂的有效活菌数比值为1×107~6×108∶2×109~6×1010∶1×105~3×106
本发明还提供了所述水稻浸种剂在提高水稻分蘖数中的应用。
优选的,所述提高水稻分蘖数的方法,包括:将所述水稻浸种剂与水按照1∶20~30的质量比混合,得浸种液;将所述浸种液与水稻种子按照1L∶2~3kg的比例混合后,播种。
本发明还提供了所述水稻浸种剂在提高水稻抗性中的应用。
本发明提供了一种水稻浸种剂,所述浸种剂包括以下重量百分含量的原料:植物生长调节剂1~1.5%、杀虫剂7~16%、成膜剂20~30%、营养剂35~50%、微生物菌剂0.5~1.5%和水10~20%;所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素;所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥;所述微生物菌剂包括枯草芽孢杆菌、木霉菌和丛枝菌根菌剂。在本发明中,所述植物生长调节剂可促进种子萌发,同时促进萌发种子分蘖;所述成膜剂可将浸种剂的所有原料粘合在一起,共同在种子体表成型,且可以在土壤中发生降解,提高种子萌发时的周边温度,进一步促进种子萌发,提高种子的抵抗低温能力;所述营养剂可补充种子萌发时对于营养物质包括微量元素的需求,从而减少育苗时的肥料用量,提高肥料的利用率;所述微生物菌剂对种子自身携带的病菌有一定的杀伤效果,同时还可与预防土传病害对种子的侵染;同时还有一定几率形成菌根,促进氮素的吸收,从而加速秧苗生长。在本发明实施例中,通过对不同品种的水稻种子进行试验,即便是在种子不利于发芽的12℃条件下,依然可以在2d左右发芽,且后期分蘖数平均达15.2个分蘖/株以上。因此可将所述水稻浸种剂应用于提高水稻分蘖数和苗期恶苗病抗性中。
具体实施方式
本发明提供了一种水稻浸种剂,所述浸种剂包括以下重量百分含量的原料:植物生长调节剂1~1.5%、杀虫剂7~16%、成膜剂20~30%、营养剂35~50%、微生物菌剂0.5~1.5%和水10~20%;所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素;所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥;所述微生物菌剂包括枯草芽孢杆菌、木霉菌和丛枝菌根菌剂。
本发明所述水稻浸种剂中包括植物生长调节剂,所述植物生长调节剂的重量百分含量优选为1.1~1.4%,更优选为1.2%。本发明所述植物生长调节剂中优选包括:芸薹素内酯、烯效唑和萘乙酸,所述芸薹素内酯、烯效唑和萘乙酸的质量比优选为0.025~0.1∶0.1~0.16∶0.5~1,更优选为0.04~0.08∶0.12~0.15∶0.6~0.8,最优选为0.06∶0.12∶0.7。本发明所述芸薹素内酯可促进水稻发芽,同时还可以作为成膜剂的调节剂,提高成膜剂的黏性和厚度,更有利于包裹种子,从而形成包衣种子。本发明所述烯效唑可促进壮苗的形成,同时促进分蘖和发根,而且还对恶苗病和线虫有一定的兼治效果。本发明所述萘乙酸可促进根的发生及伸长。本发明对所述芸薹素内酯、烯效唑和萘乙酸的来源并没有特殊限定,利用本领域的常规市售产品即可。
本发明所述水稻浸种剂中包括杀虫剂,所述杀虫剂的重量百分含量优选为8~15%,更优选为10~14%,最优选为13%。本发明所述杀虫剂优选包括吡虫啉、杀虫双、乙酰甲胺磷、丁硫克百威或久效磷,更优选为吡虫啉。本发明对所述杀虫剂的来源并没有特殊限定,利用本领域的常规市售产品即可。
本发明所述水稻浸种剂中包括成膜剂,所述成膜剂的重量百分含量优选为21~28%,更优选为24~26%,最优选为25%。本发明所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素,所述成膜剂中海藻粉、羟甲基纤维素钠和甲壳素的重量比优选为8~12∶1~3∶0.5~1,更优选为9~11∶1.5~2.6∶0.6~0.8,最优选为10∶2∶0.7。本发明所述成膜剂中,海藻粉可被土壤中微生物降解,从而产生腐殖酸,有助于形成土壤团粒结构,还可以延长包衣种子的保存时间。本发明所述羟甲基纤维素钠和甲壳素可作为所述浸种剂粘附种子的框架结构,从而将各成分均匀吸附,有益于工业生产。本发明对所述成膜剂的各原料来源并没有特殊限定,利用本领域的常规市售产品即可。
本发明所述水稻浸种剂中包含营养剂,所述营养剂的重量百分含量优选为38~48%,更优选为42~46%,最优选为45%。所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥,所述碳酸铵、碳酸钠、锌肥、硼肥和有机肥的重量比优选为(10~20)∶(10~20)∶(5~15)∶(5~15)∶(30~80),更优选为(12~18)∶(12~18)∶(8~12)∶(8~12)∶(40~60),最优选为15∶15∶10∶10∶50。本发明所述碳酸钠和碳酸铵,可在种子播种后,在地下生成二氧化碳和氨气,二氧化碳促进土壤孔隙形成,使根系呼吸加强,促进营养物质的吸收;氨气可在丛植菌根的作用下形成可被水稻易吸收的铵根离子,促进氮素的吸收。本发明对所述营养剂中各成分的来源并没有特殊限定,利用本领域的常规市售产品即可。
本发明所述水稻浸种剂中包括微生物菌剂,所述微生物菌剂的重量百分含量优选为0.6~1.2%,更优选为0.8%。本发明所述述微生物菌剂中枯草芽孢杆菌、木霉菌和丛枝菌根菌剂的有效活菌数比值优选为1×107~6×108∶2×109~6×1010∶1×105~3×106,更优选为3×107~6×107∶5×109~1×1010∶7×105~2×106,最优选为5×107∶8×109∶1×106。本发明所述木霉菌对种子自身携带的病菌有一定的杀伤效果,同时还可与预防土传病害对种子的侵染。本发明所述丛枝菌根菌一定几率形成菌根,促进氮素的吸收,从而加速秧苗生长。本发明所述枯草芽孢杆菌可促进还田秸秆及有机肥中营养物质的分解,从而促进吸收。本发明对所述微生物菌剂的形式并没有特殊限定,优选为冻干菌粉,利用本领域的常规市售菌粉即可。
本发明所述水稻浸种剂中还包括水,所述水的重量百分含量优选为12~18%,更优选为14~16%,最优选为15%。本发明所述水可作为水稻浸种剂中各原料的溶剂,使之溶解。
本发明还提供了所述水稻浸种剂在提高水稻分蘖数中的应用。
本发明在所述应用时,优选的包括:将所述水稻浸种剂与水按照1∶20~30的质量比混合,得浸种液;将所述浸种液与水稻种子按照1L∶2~3kg的比例混合后,播种。本发明所述水稻浸种剂与水的质量比优选为1∶22~28,更优选为1∶24~26,最优选为1∶25。本发明所述浸种液与水稻种子的比例优选为1L∶2.5kg。本发明在所述播种后,优选还包括常规田间管理及收获。
本发明还提供了所述水稻浸种剂在提高水稻抗性中的应用。
本发明所述提高水稻抗性的方法优选与上述提高水稻分蘖数的方法相同,在此不再赘述。
下面结合实施例对本发明提供的一种水稻浸种剂及其应用进行详细的说明,但是不能把它们理解为对本发明保护范围的限定。
实施例1
将芸薹素内酯0.82g、1.64g烯效唑、9.54g萘乙酸、130g吡虫啉、196.83g海藻粉、39.37g羟甲基纤维素钠、13.8g甲壳素、67.5g碳酸铵、67.5g碳酸钠、45g锌肥、45g硼肥、225g有机肥、8g微生物菌剂(其中枯草芽孢杆菌的最终有效活菌数5×107CFU/kg、木霉菌的最终有效活菌数8×109CFU/kg,丛枝菌根菌剂的最终有效活菌数1×106CFU/kg)和150g水混合后,得到水稻浸种剂。
实施例2
将芸薹素内酯1.16g、2.17g烯效唑、8.67g萘乙酸、130g丁硫克百威、199g海藻粉、33.2g羟甲基纤维素钠、17.8g甲壳素、54g碳酸铵、54g碳酸钠、36g锌肥、36g硼肥、270g有机肥、8g微生物菌剂(其中枯草芽孢杆菌的最终有效活菌数5×107CFU/kg、木霉菌的最终有效活菌数8×109CFU/kg,丛枝菌根菌剂的最终有效活菌数1×106CFU/kg)和150g水混合后,得到水稻浸种剂。
实施例3
将芸薹素内酯0.5g、1.5g烯效唑、10g萘乙酸、130g乙酰甲胺磷、193.7g海藻粉、45.8g羟甲基纤维素钠、10.5g甲壳素、81g碳酸铵、81g碳酸钠、54g锌肥、54g硼肥、180g有机肥、8g微生物菌剂(其中枯草芽孢杆菌的最终有效活菌数5×107CFU/kg、木霉菌的最终有效活菌数8×109CFU/kg,丛枝菌根菌剂的最终有效活菌数1×106CFU/kg)和150g水混合后,得到水稻浸种剂。
利用实施例1~3制备得到的水稻浸种剂进行实验,以3亩小区作为实验田,每次实验进行3次重复,取平均值,按照常规方法播种和管理即可:
实验例:将每kg所述水稻浸种剂溶于25kg水中,然后取出1L浸种液,浸种2.5kg,10h后播种;
对照例:将相同品种的种子按照2.5kg∶1L的量浸泡在水中,10h后播种。
分别统计不同品种水稻种子的出芽时间、出芽率、出苗率、分蘖数以及产量,结果如表1所示:
表1不同品种水稻浸种前后对比
Figure BSA0000191092460000061
本发明提供了一种水稻浸种剂,浸种后可提前出芽,提高出芽率和成苗率,同时还可以增加分蘖数,提高产量,并减少恶苗病和立枯病的侵害。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (6)

1.一种水稻浸种剂,其特征在于,所述浸种剂包括以下重量百分含量的原料:植物生长调节剂1~1.5%、杀虫剂7~16%、成膜剂20~30%、营养剂35~50%、微生物菌剂0.5~1.5%和水10~20%;所述成膜剂包括海藻粉、羟甲基纤维素钠和甲壳素;所述营养剂包括碳酸铵、碳酸钠、锌肥、硼肥和有机肥;所述微生物菌剂包括枯草芽孢杆菌、木霉菌和丛枝菌根菌剂;
所述植物生长调节剂中包括:芸薹素内酯、烯效唑和萘乙酸,所述芸薹素内酯、烯效唑和萘乙酸的质量比为0.025~0.1∶0.1~0.16∶0.5~1;
所述述微生物菌剂中枯草芽孢杆菌、木霉菌和丛枝菌根菌剂的有效活菌数比值为1×107~6×108∶2×109~6×1010∶1×105~3×106
2.根据权利要求1所述水稻浸种剂,其特征在于,所述杀虫剂包括吡虫啉、杀虫双、乙酰甲胺磷、丁硫克百威或久效磷。
3.根据权利要求1所述水稻浸种剂,其特征在于,所述成膜剂中海藻粉、羟甲基纤维素钠和甲壳素的重量比为8~12∶1~3∶0.5~1。
4.权利要求1~3任一项所述水稻浸种剂在提高水稻分蘖数中的应用。
5.根据权利要求4所述应用,其特征在于,所述提高水稻分蘖数的方法,包括:将所述水稻浸种剂与水按照1∶20~30的质量比混合,得浸种液;将所述浸种液与水稻种子按照1L∶2~3kg的比例混合后,播种。
6.权利要求1~3任一项所述水稻浸种剂在提高水稻苗期恶苗病抗性中的应用。
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