CN111011396B - 一种辣椒夏季育苗生长调控剂及壮苗培育方法 - Google Patents

一种辣椒夏季育苗生长调控剂及壮苗培育方法 Download PDF

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CN111011396B
CN111011396B CN201911083777.8A CN201911083777A CN111011396B CN 111011396 B CN111011396 B CN 111011396B CN 201911083777 A CN201911083777 A CN 201911083777A CN 111011396 B CN111011396 B CN 111011396B
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田红梅
张建
陶珍
王艳
刘茂
王朋成
刘凯
杨积冠
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Institute of Gardening of Anhui Academy Agricultural Sciences
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Abstract

本发明公开了一种辣椒夏季育苗生长调控剂及壮苗培育方法,夏季育苗生长调控剂包括下述质量浓度的组分:水杨酸15‑45mg/L、5‑氨基乙酰丙酸2.5‑10mg/L、油菜素内酯0.1‑0.2mg/L、氯吡脲0.25‑1.0mg/L、多效唑25‑100mg/L和磷酸二氢钾1000‑2000mg/L;夏季育苗过程包括配制育苗基质、前处理、播种及壮苗调控的过程。本发明公开提供了一种辣椒夏季育苗生长调控剂及壮苗培育方法,通过合理地对各种植物生长调节物质进行复配,最大程度地提高了夏季辣椒幼苗的壮苗效果。

Description

一种辣椒夏季育苗生长调控剂及壮苗培育方法
技术领域
本发明涉及辣椒培育技术领域,更具体地说是涉及一种辣椒夏季育苗生长调控剂及壮苗培育方法。
背景技术
辣椒是我国第二大蔬菜作物,具有较高的经济效益,尤其近几年大棚秋延冬辣椒种植的经济效益尤为显著。健壮的辣椒种苗是辣椒优质、高产、稳产的重要基础,但夏季高温季节利用传统育苗技术育苗会出现幼苗徒长、烧根、病虫害等问题,限制了辣椒产业的健康发展。
现如今,调控辣椒幼苗生长的调节剂品种比较单一,且效果不理想,而且,由于目前国内并没有一套关于辣椒的完整育苗方法,因此即便使用了幼苗生长调节剂,幼苗的生长状况依然不容乐观。
因此,如何提供一种辣椒夏季育苗生长调控剂及壮苗培育方法是本领域技术人员亟需解决的问题。
发明内容
有鉴于此,本发明提供了一种辣椒夏季育苗生长调控剂及壮苗培育方法,通过各物质间合理的浓度配比及合理的育苗方法,提高了辣椒的壮苗指数,改善了幼苗的生长状况。
为了实现上述目的,本发明采用如下技术方案:
一种辣椒夏季育苗生长调控剂,包括下述质量浓度的组分:水杨酸15-45mg/L、5-氨基乙酰丙酸2.5-10mg/L、油菜素内酯0.1-0.2mg/L、氯吡脲0.25-1.0mg/L、多效唑25-100mg/L和磷酸二氢钾1000-2000mg/L。
作为本发明优选的技术方案,所述育苗生长调控剂包括下述最优质量浓度的组分:水杨酸30mg/L、5-氨基乙酰丙酸5mg/L、油菜素内酯0.15mg/L、氯吡脲0.5mg/L、多效唑50mg/L和磷酸二氢钾1000mg/L。
以上技术方案达到的技术效果是:5-氨基乙酰丙酸具备调节植物叶绿素的合成、提高叶绿素和捕光系统Ⅱ的稳定性、提高光合效率促进光合作用且促进植物组织分化、抑制叶片在黑暗中呼吸、扩大气孔等基础生理活性。因此它并不单纯是一种生物代谢中间产物,还参与植物生长发育的调节过程,具有类似植物激素的生理活性,可以作为植物生长调节剂在农业生产中使用;油菜素内酯是具有植物生长调节作用的化合物,在低浓度下即能显示活性,有增加植物的营养体生长和促进受精的作用;氯吡脲是一种具有细胞分裂素活性的苯脲类植物生长调节剂,其生物活性却较6-苄氨基嘌呤高10-100倍。可显著促进细胞分裂,促进细胞扩大伸长;多效唑是一种植物生长调节剂,具有延缓植物生长,抑制茎杆伸长,缩短节间、促进植物分蘖、增加植物抗逆性能,提高产量等效果;磷酸二氢钾具有增产增收、改良优化品质、抗倒伏、抗病虫害、防止早衰等许多优良作用,并且具有克服作物生长后期根系老化吸收能力下降而导致的营养不足的作用;本发明按照特定的浓度将上述组分进行配比,使得以上组分发挥协同增效作用,将辣椒幼苗的株高、茎粗及干重控制在合理的数值,避免了幼苗的烧根、徒长,降低了病虫害发生率。
一种辣椒夏季壮苗培育方法,包括下述步骤:
1)配制育苗基质:采用泥炭、椰糠、蛭石、珍珠岩按照体积比45%-50%、20%-25%、20%-30%、5%配制育苗基质。
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时第1次喷施上述壮苗生长调控剂,7天后进行第2次喷药,再隔7天后喷第3次药,共喷3次;控制白天温度最高不超过35℃,夜间温度不低于20℃,并于每天日出前每盘浇水50mL。
作为本发明优选的技术方案,步骤1)中配置的育苗基质中碱解氮、速效磷和速效钾的总含量为7-8g/kg,且比例为1:1.3:1。
作为本发明优选的技术方案,步骤1)中配制的育苗基质的孔隙度为60%-65%,pH值为6-7。
作为本发明优选的技术方案,步骤4)中,待辣椒幼苗两片子叶展开时,每个穴盘喷施壮苗生长调控剂25-35mL。
作为本发明优选的技术方案,步骤4)中,第二次和第三次喷药时,每个穴盘每次喷施壮苗生长调控剂10-20mL。
经由上述的技术方案可知,与现有技术相比,本发明公开提供了一种辣椒壮苗生长调控剂及育苗方法,通过合理地对各种植物生长调节物质进行复配,最大程度地提高了辣椒幼苗的壮苗效果。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1配制辣椒夏季育苗生长调控剂
按照水杨酸15mg/L、5-氨基乙酰丙酸2.5mg/L、油菜素内酯0.1mg/L、氯吡脲0.25mg/L、多效唑25mg/L和磷酸二氢钾1000mg/L的配比将成分混合,并溶解于1L蒸馏水中,得到辣椒夏季育苗生长调控剂。
实施例2配制辣椒夏季育苗生长调控剂
按照水杨酸45mg/L、5-氨基乙酰丙酸10mg/L、油菜素内酯0.2mg/L、氯吡脲1.0mg/L、多效唑100mg/L和磷酸二氢钾2000mg/L的配比将成分混合,并溶解于1L蒸馏水中,得到辣椒夏季育苗生长调控剂。
实施例3配制辣椒夏季育苗生长调控剂
按照水杨酸30mg/L、5-氨基乙酰丙酸5mg/L、油菜素内酯0.15mg/L、氯吡脲0.5mg/L、多效唑50mg/L和磷酸二氢钾1000mg/L的配比将成分混合,并溶解于1L蒸馏水中,得到辣椒夏季育苗生长调控剂。
实施例4
一种辣椒夏季壮苗培育方法,包括下述步骤:
1)采用泥炭、椰糠、蛭石、珍珠岩按照体积比46%、23%、26%、5%配制育苗基质,育苗基质的孔隙度为60%,pH值为6,育苗基质中碱解氮、速效磷、有效钾的总含量为8g/kg,且比例1:1.3:1。
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时每个穴盘喷施实施例3中的壮苗生长调控剂25mL;第1次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂10mL;第2次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂10mL。
实施例5
一种辣椒夏季壮苗培育方法,包括下述步骤:
1)采用泥炭、椰糠、蛭石、珍珠岩按照体积比49%、23%、23%、5%配制育苗基质,育苗基质的孔隙度为65%,pH值为7,育苗基质中碱解氮、速效磷、有效钾的总含量为7g/kg,且比例1:1.3:1。
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时每个穴盘喷施实施例3中的壮苗生长调控剂35mL;第1次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂20mL;第2次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂20mL。
实施例6
一种辣椒夏季壮苗培育方法,包括下述步骤:
1)采用泥炭、椰糠、蛭石、珍珠岩按照体积比45%、20%、30%、5%配制育苗基质,育苗基质的孔隙度为62%,pH值为6.2,育苗基质中碱解氮、速效磷、有效钾的总含量为7.5g/kg,且比例1:1.3:1。
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时每个穴盘喷施实施例3中的壮苗生长调控剂28mL;第1次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂17mL;第2次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂17mL。
实施例7
一种辣椒夏季壮苗培育方法,包括下述步骤:
1)采用泥炭、椰糠、蛭石、珍珠岩按照体积比48%、20%、27%、5%配制育苗基质,育苗基质的孔隙度为63%,pH值为6.5,育苗基质中碱解氮、速效磷、有效钾的总含量为7.8g/kg,且比例1:1.3:1。
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时每个穴盘喷施实施例3中的壮苗生长调控剂30mL;第1次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂15mL;第2次喷药7天后,每个穴盘喷施实施例3中的壮苗生长调控剂15mL。
实施例8
将实施例7步骤4)改为只喷施浓度为15mg/L、30mg/L、45mg/L及60mg/L的水杨酸,其它操作同实施例7,记为试验组1;
将实施例7步骤4)改为只喷施浓度为12.5mg/L、5mg/L、7.5mg/L及10mg/L的5-氨基乙酰丙酸,其它操作同实施例7,记为试验组2;
将实施例7步骤4)改为只喷施浓度为0.05mg/L、0.10mg/L、0.15mg/L及0.20mg/L的油菜素内酯,其它方法同实施例7,记为试验组3;
将实施例7步骤4)改为只喷施浓度为0.25mg/L、0.50mg/L、0.75mg/L及1.00mg/L的氯吡脲,其它方法同实施例7,记为试验组4;
将实施例7步骤4)改为只喷施浓度为25mg/L、50mg/L、75mg/L及100mg/L的多效唑,其它方法同实施例7,记为试验组5;
将实施例7步骤4)改为只喷施浓度为500mg/L、1000mg/L、1500mg/L及2000mg/L的磷酸二氢钾,其它方法同实施例7,记为试验组6;
按照实施例7的方法进行育苗,记为试验组7;
按照实施例7步骤1)-4)的方法育苗,不同是,将步骤4)中的壮苗生长调控剂改为同体积水,记为对照组1。
于辣椒幼苗第四片真叶展开时,比较不同处理组辣椒幼苗的株高、茎粗、地上部干重、地下部干重、壮苗指数。选取长势一致的幼苗10株,清水洗净,吸水纸吸干表面水分后,用直尺测量株高;游标卡尺测量茎粗;将地上部与根部分别放在烘箱105℃下杀青30min,然后在80℃下烘至恒重后用万分之一天平称量地上部干重和地下部干重;壮苗指数=(茎粗/株高+地下部干重/地上部干重)×全株干重。结果如表1所示;
表1
Figure BDA0002264742140000061
Figure BDA0002264742140000071
实施例9
以水杨酸和5-氨基乙酰丙酸配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L,记为试验组1;
以水杨酸和油菜素内酯配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、油菜素内酯的浓度为0.15mg/L,记为试验组2;
以5-氨基乙酰丙酸和油菜素内酯配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且5-氨基乙酰丙酸的浓度为5mg/L,油菜素内酯的浓度为0.15mg/L,记为试验组3;
以水杨酸、5-氨基乙酰丙酸和油菜素内酯配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L,记为试验组4;
以水杨酸、5-氨基乙酰丙酸、油菜素内酯和氯吡脲配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L、氯吡脲的浓度为0.5mg/L,记为试验组5;
以水杨酸、5-氨基乙酰丙酸、油菜素内酯和多效唑配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L、多效唑的浓度为50mg/L,记为试验组6;
以水杨酸、5-氨基乙酰丙酸、油菜素内酯和磷酸二氢钾配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L、磷酸二氢钾的浓度为1000mg/L,记为试验组7;
以水杨酸、5-氨基乙酰丙酸、油菜素内酯、氯吡脲和多效唑配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L、氯吡脲的浓度为0.5mg/L、多效唑浓度为50mg/L,记为试验组8;
以水杨酸、5-氨基乙酰丙酸、油菜素内酯、氯吡脲、多效唑和磷酸二氢钾配制壮苗生长调控剂,并以此代替实施例7步骤4)中的壮苗生长调控剂,其他操作与实施例7其它育苗方法无异,且水杨酸的浓度为30mg/L、5-氨基乙酰丙酸的浓度为5mg/L、油菜素内酯的浓度为0.15mg/L、氯吡脲的浓度为0.5mg/L、多效唑浓度为50mg/L、磷酸二氢钾的浓度为1000mg/L,记为试验组9;
以水代替实施例7中同体积的夏季育苗生长调控剂,其他操作与实施例7其它育苗方法无异,记为对照组1;
在辣椒幼苗第四片真叶展开时,比较不同组别中幼苗的株高、茎粗、地上部干重、地下部干重、壮苗指数。如表2所示;
表2
Figure BDA0002264742140000091
由表1和表2可知,实施例7中夏季育苗生长调控剂各组分间具备协同增效作用,且,各组分间的浓度配比对辣椒幼苗的株高、茎粗等有显著影响。
本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言,由于其与实施例公开的方法相对应,所以描述的比较简单,相关之处参见方法部分说明即可。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (7)

1.一种辣椒夏季育苗生长调控剂,其特征在于,包括下述质量浓度的组分:水杨酸15-45mg/L、5-氨基乙酰丙酸2.5-10mg/L、油菜素内酯0.1-0.2mg/L、氯吡脲0.25-1.0mg/L、多效唑25-100mg/L和磷酸二氢钾1000-2000mg/L。
2.根据权利要求1所述的一种辣椒夏季育苗生长调控剂,其特征在于,包括下述最优质量浓度的组分:水杨酸30mg/L、5-氨基乙酰丙酸5mg/L、油菜素内酯0.15mg/L、氯吡脲0.5mg/L、多效唑50mg/L和磷酸二氢钾1000mg/L。
3.一种辣椒夏季壮苗培育方法,其特征在于,包括下述步骤:
1)配制育苗基质:采用泥炭、椰糠、蛭石、珍珠岩按照体积比45%-50%、20%-25%、20%-30%、5%配制育苗基质;
2)前处理:将步骤1)得到的育苗基质平铺于50孔穴盘中,先对育苗基质浇透水,然后在每个孔穴中间对应的基质表层上打孔深0.5-1cm的播种穴;
3)播种:先将辣椒种子播于穴中,然后在辣椒种子表面覆盖0.5-1cm厚的育苗基质,并以遮阳网覆盖;辣椒种子萌发前,控制白天温度最高不超过35℃,夜间温度不低于25℃;
4)药剂调控:待辣椒幼苗两片子叶展开时第1次喷施权利要求1或2所述的育苗生长调控剂,7天后进行第2次喷药,再隔7天后喷第3次药,共喷3次;控制白天温度最高不超过35℃,夜间温度不低于20℃,并于每天日出前每盘浇水50mL。
4.根据权利要求3所述的一种辣椒夏季壮苗培育方法,其特征在于,步骤1)中配制的育苗基质中碱解氮、速效磷和速效钾的总含量为7-8g/kg,且比例为1:1.3:1。
5.根据权利要求3所述的一种辣椒夏季壮苗培育方法,其特征在于,步骤1)中配制的育苗基质的孔隙度为60%-65%,pH值为6-7。
6.根据权利要求3所述的一种辣椒夏季壮苗培育方法,其特征在于,步骤4)中,待辣椒幼苗两片子叶展开时,每个穴盘喷施权利要求1或2所述的育苗生长调控剂25-35mL。
7.根据权利要求3所述的一种辣椒夏季壮苗培育方法,其特征在于,步骤4)中,第二次和第三次喷药时,每个穴盘每次喷施权利要求1或2所述的育苗生长调控剂10-20mL。
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