CN106613842A - 雪中红插条的生根营养液和雪中红扦插育苗方法 - Google Patents
雪中红插条的生根营养液和雪中红扦插育苗方法 Download PDFInfo
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Abstract
本发明涉及无性繁殖技术领域,特别涉及雪中红插条的生根营养液和雪中红扦插育苗方法。该生根营养液由如下组分组成:NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足。本发明利用该营养液对雪中红插条进行生根培养,可促进雪中红插条生根,提高了扦插成活率;本发明扦插方法步骤简单,苗木质量好,生长速度快,适合规模化生产。
Description
技术领域
本发明涉及无性繁殖技术领域,特别涉及雪中红插条的生根营养液和雪中红扦插育苗方法。
背景技术
雪中红为卫矛科卫矛属新品种,为北海道黄杨(冬青卫矛)的实生苗芽变品种,2009年河南红枫种苗股份有限公司获得植物新品种权证书。雪中红叶片近圆形,叶缘呈浅波状,叶芽饱满对生,叶片春夏秋三季为碧绿色,冬季变为红色,聚伞花序腋生,花浅黄色,果实为近球形蒴果,向阳面果实呈褐红色,成熟果实呈浅黄色。雪中红根系发达、生长迅速、萌蘖力强、座果率高、抗逆性强,无论是天津的盐碱地,还是黄河滩的沙地,或者青藏高原的干旱河谷地带,雪中红均能很好的生长,无防护安全越冬,不落叶,并正常开花结果。雪中红树形紧凑、萌蘖力和分枝力强,耐修剪,适合做城市绿篱。而且冬季耐寒性和抗逆性强,叶片鲜红,观赏性较普通卫矛属品种高。因其直立性好,可定干后培养成行道树,适合作为中小型行道树使用。雪中红枝条较为柔软,便于绑定,且耐修剪,适合做造型,应用于园林景观之中。
目前,雪中红常采用播种育苗和扦插的方法进行繁殖。雪中红采用种子进行播种育苗时,种子要经层积处理才能发芽,耗时较长。传统的扦插育苗方法,生根速度慢,成活率在80%左右,限制了雪中红的大量繁殖。
公开号为CN104206135A的中国专利文献提供了一种能提高紫薇成活率的高效扦插方法,扦插基质成分为细沙、黄土、腐叶土、山泥、干窑泥、蒜末、锯末、鸡蛋壳粉、烟灰、金银花、丁香叶、米粉、烟草、生根粉、猪骨粉、薄荷粉、菜籽饼、麸皮,成分复杂,其中肥料部分可用浇灌营养液替代。
公开号为CN104206135A的中国专利文献提供了一种提高连翘嫩枝扦插育苗成活率的方法,扦插苗70%生根后,每隔5天喷施0.2-0.5%叶面肥,叶面肥的成分有0.5%吲哚乙酸与0.5%蔗糖的混合液。吲哚乙酸和蔗糖溶液可在扦插前浸泡插条使用,效果会更好。
公开号为CN104206135A的中国专利文献提供了一种小蜡扦插方法,扦插后将穴盘放入水深1-3cm的容器中,这样会导致水分过大,插条容易腐烂,不易生根。
公开号为CN104770157A的中国专利文献提供了一种提高青皮柳成活率的扦插育苗方法,将插条放入处理液中浸泡15-55h,所述处理液成分为葛根、赤芍、白茅根、紫苏、芦荟、柴胡、葡萄糖、水混合煎煮1h的冷却液,处理液成分大多为中药,成分复杂,成本高,且效果不如生根粉。
现有的扦插方法,虽然都采用了混合基质和生根剂处理,但扦插基质和生根剂成分复杂,一些材料还需要经处理后才能用,存在工序繁多,耗时且成本高等缺点。
发明内容
有鉴于此,本发明提供了雪中红插条的生根营养液和雪中红扦插育苗方法。该雪中红插条的生根营养液成分简单且可显著提高扦插成活率。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种雪中红插条的生根营养液,由如下组分组成:
NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足。
萘乙酸(1-Naphthylacetic acid),简称NAA,是一种有机化合物,是一种易溶于有机溶剂的无色固体。它的结构为萘的1号位置以羧甲基取代。它是植物生长调节剂中的生长素类似物,常用于商用的发根粉或发根剂中,在植物使用扦插法繁殖时使用。它也可用于植物组织培养。
吲哚丁酸(1h-indole-3-butanoic acid),简称IBA,纯品为白色结晶固体,原药为白色至浅黄色结晶。溶于丙酮、乙醚和乙醇等有机溶剂,难溶于水。主要用于插条生根,可诱导根原体的形成,促进细胞分化和分裂,有利于新根生成和维管束系统的分化,促进插条不定根的形成。广泛应用于树木、花卉的扦插生根:苹果、桃、梨、柑橘、葡萄、猕猴桃、草莓、一品红、石竹、菊花、月季、木兰、杜鹃、茶、水杉、杨树等。
本发明在NAA和IBA基础上添加了尿素和蔗糖组分制得生根培养液,将雪中红插条采用先水培促进根原基生成、再转为扦插的技术,可加快根原基形成,缩短生根时间,提高扦插成活率。
作为优选,该生根营养液中各组分用量为:
NAA 80~100ppm,IBA 80~100ppm,蔗糖3wt%,尿素4wt%~5wt%,水补足。
在本发明提供的一实施例中,该生根营养液中各组分用量为:
NAA50ppm,IBA 60ppm,蔗糖1wt%,尿素1wt%,水补足。
在本发明提供的另一实施例中,该生根营养液中各组分用量为:
NAA 80ppm,IBA 80ppm,蔗糖2wt%,尿素4wt%,水补足。
在本发明提供的另一实施例中,该生根营养液中各组分用量为:
NAA 100ppm,IBA 100ppm,蔗糖3wt%,尿素5wt%,水补足。
本发明还提供了一种雪中红的扦插育苗方法,包括如下步骤:
将雪中红插条的形态学下端浸入生根营养液中进行生根培养;生根营养液由如下组分组成:NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足;
待根原基长出后,将插条扦插入基质中进行育苗。
在本发明提供的实施例中,将雪中红插条的形态学下端浸入生根营养液中之前还包括枝条采集和剪插条的步骤。
作为优选,枝条采集为:在晴天日出之前采集雪中红当年半木质化、生长健壮、芽眼饱满、节间长度均匀的枝条,采集后进行保湿处理。
作为优选,剪插条为:将采集的枝条剪成8~10cm的插条,剪口平整,保留芽2节,上部叶片保留2片。
作为优选,生根培养时生根营养液进行加氧处理。
作为优选,以重量份计,基质由泥炭1~3份、珍珠岩3~5份、沙子2~4份组成。
优选地,以重量份计,基质由泥炭2份、珍珠岩4份、沙子3份组成。
作为优选,基质中还包括多菌灵和呋喃丹。
作为优选,基质中多菌灵的用量为基质重量的1%~2%,呋喃丹的用量为基质重量的1%~2%。
在本发明提供的实施例中,基质中多菌灵的用量为基质重量的1%,呋喃丹的用量为基质重量的1%。
作为优选,育苗的温度为20~28℃,湿度为90%~95%。
本发明提供的雪中红扦插育苗方法具体包括如下步骤:
(1)插条采集
采集雪中红当年半木质化枝条,选择生长健壮、无病虫害、枝条生长直立的母株,用枝剪剪取芽眼饱满、节间长度均匀的枝条。在晴天早晨日出之前,采集雪中红枝条放置在盛有清水的水桶中保湿,如果是远距离运输,需要用湿布包裹枝条,保证枝条新鲜。
(2)剪插条
将采集的枝条剪成长度为8-10cm插条,剪口平整,保留芽2节,上部叶片保留2片,摘除下部叶片,以减少水分蒸发,上下剪口均平剪即可。
(3)水培
将插条下部3cm浸入装有营养液的循环流动加氧的容器中,每天检查枝条下部生根情况,待枝条基部根原基长出时,从营养液中取出枝条。所用营养液成分为:50~100ppmNAA+60~100ppm IBA+1%~3%蔗糖+1%~5%尿素。
(4)扦插
将泥炭、珍珠岩、沙子按(1~3):(3~5):(2~4)比例混匀,基质中掺入多菌灵和呋喃丹。将基质摊铺在底部带孔的育苗盘(50cm×35cm×10cm)内,边摊铺边压实,摊铺厚度为10cm。扦插前先用和插条粗细一样的木棍先在基质上扎一个深3cm的穴,将插条插进穴里。扦插后立即洒水,放置于温室苗床内,用薄膜覆盖育苗盘,以利于保温保湿。每天检查温湿度,使温度保持在20~28℃,湿度保持在90%~95%。
本发明提供了雪中红插条的生根营养液和雪中红扦插育苗方法。该生根营养液由如下组分组成:NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足。本发明的有益效果是:
1、本发明利用特定营养液对雪中红插条进行生根培养,促使插条根原基形成,然后再扦插,该生根营养液可显著促进雪中红插条生根,提高了扦插成活率;
2、本发明扦插方法步骤简单,苗木质量好,生长速度快,适合规模化生产。
具体实施方式
本发明公开了雪中红插条的生根营养液和雪中红扦插育苗方法,本领域技术人员可以借鉴本文内容,适当改进工艺参数实现。特别需要指出的是,所有类似的替换和改动对本领域技术人员来说是显而易见的,它们都被视为包括在本发明。本发明的方法及应用已经通过较佳实施例进行了描述,相关人员明显能在不脱离本发明内容、精神和范围内对本文所述的方法和应用进行改动或适当变更与组合,来实现和应用本发明技术。
本发明提供的雪中红插条的生根营养液和雪中红扦插育苗方法中所用试剂和基质组分均可由市场购得。
下面结合实施例,进一步阐述本发明:
实施例1
(1)插条采集
采集雪中红当年半木质化枝条,选择生长健壮、无病虫害、枝条生长直立的母株,用枝剪剪取芽眼饱满、节间长度均匀的枝条。在晴天早晨日出之前,采集雪中红枝条放置在盛有清水的水桶中保湿,如果是远距离运输,需要用湿布包裹枝条,保证枝条新鲜。
(2)剪插条
将采集的枝条剪成长度为8-10cm插条,剪口平整,保留芽2节,上部叶片保留2片,摘除下部叶片,以减少水分蒸发,上下剪口均平剪即可。每20个插条一束,用橡皮筋捆扎,用湿布包裹。
(3)水培
将插条下部3cm浸入装有营养液的循环流动加氧的容器中,营养液成份为50ppmNAA+60ppmIBA+1%蔗糖+1%尿素。每天检查枝条下部生根情况,待枝条基部根原基长出时,从营养液中取出枝条。
(4)扦插
将泥炭、珍珠岩、沙子按2:4:3比例混匀,基质中掺入多菌灵和呋喃丹。将基质摊铺在底部带孔的育苗盘(50cm×35cm×10cm)内,边摊铺边压实,摊铺厚度为10cm。
扦插前先用和插条粗细一样的木棍先在基质上扎一个深3cm的穴,将插条插进穴里。扦插后立即洒水,放置于温室苗床内,用薄膜覆盖育苗盘,以利于保温保湿。每天检查温湿度,使温度保持在20-28℃,湿度保持在90-95%。
实施例2:
(1)插条采集
采集雪中红当年半木质化枝条,选择生长健壮、无病虫害、枝条生长直立的母株,用枝剪剪取芽眼饱满、节间长度均匀的枝条。在晴天早晨日出之前,采集雪中红枝条放置在盛有清水的水桶中保湿,如果是远距离运输,需要用湿布包裹枝条,保证枝条新鲜。
(2)剪插条
将采集的枝条剪成长度为8-10cm插条,剪口平整,保留芽2节,上部叶片保留2片,摘除下部叶片,以减少水分蒸发,上下剪口均平剪即可。每20个插条一束,用橡皮筋捆扎,用湿布包裹。
(3)水培
将插条下部3cm浸入装有营养液的循环流动加氧的容器中,营养液成份为80ppmNAA+80ppm IBA+2%蔗糖+4%尿素。每天检查枝条下部生根情况,待枝条基部根原基长出时,从营养液中取出枝条。
(4)扦插
将泥炭、珍珠岩、沙子按2:4:3比例混匀,基质中掺入多菌灵和呋喃丹。将基质摊铺在底部带孔的育苗盘(50cm×35cm×10cm)内,边摊铺边压实,摊铺厚度为10cm。
扦插前先用和插条粗细一样的木棍先在基质上扎一个深3cm的穴,将插条插进穴里。扦插后立即洒水,放置于温室苗床内,用薄膜覆盖育苗盘,以利于保温保湿。每天检查温湿度,使温度保持在20-28℃,湿度保持在90-95%。
实施例3:
(1)插条采集
采集雪中红当年半木质化枝条,选择生长健壮、无病虫害、枝条生长直立的母株,用枝剪剪取芽眼饱满、节间长度均匀的枝条。在晴天早晨日出之前,采集雪中红枝条放置在盛有清水的水桶中保湿,如果是远距离运输,需要用湿布包裹枝条,保证枝条新鲜。
(2)剪插条
将采集的枝条剪成长度为8-10cm插条,剪口平整,保留芽2节,上部叶片保留2片,摘除下部叶片,以减少水分蒸发,上下剪口均平剪即可。每20个插条一束,用橡皮筋捆扎,用湿布包裹。
(3)水培
将插条下部3cm浸入装有营养液的循环流动加氧的容器中,营养液成份为100ppmNAA+100ppmIBA+3%蔗糖+5%尿素。每天检查枝条下部生根情况,待枝条基部根原基长出时,从营养液中取出枝条。
(4)扦插
将泥炭、珍珠岩、沙子按2:4:3比例混匀,基质中掺入多菌灵和呋喃丹。将基质摊铺在底部带孔的育苗盘(50cm×35cm×10cm)内,边摊铺边压实,摊铺厚度为10cm。
扦插前先用和插条粗细一样的木棍先在基质上扎一个深3cm的穴,将插条插进穴里。扦插后立即洒水,放置于温室苗床内,用薄膜覆盖育苗盘,以利于保温保湿。每天检查温湿度,使温度保持在20-28℃,湿度保持在90-95%。
试验例1
采用实施例1-3的试验方法对雪中红进行扦插,并统计根原基生成时间、生根时间和成活率。试验结果如下:
表1 3个实施例的试验结果
由上述试验结果可以看出,本发明实施例1-3所述的方法使得雪中红扦插育苗的成活率高达88%以上,20d左右即可生根,与无水培直接扦插的处理相比,根原基生成时间缩短了6-8d,生根时间缩短了6-10d,扦插成活率提高了6%-10.3%。
对比例1
采用配方为100ppm NAA+100ppm IBA的生根营养液,其它操作同实施例3,进行扦插试验,其试验结果如下:
表2 市售生根粉的试验结果
对比例2
采用配方为100ppm NAA+100ppm IBA+8%蔗糖的生根营养液,其它操作同实施例3,进行扦插试验,其试验结果如下:
表3 对比生根营养液的试验结果
对比例3
采用配方为100ppm NAA+100ppm IBA+8%尿素的生根营养液,其它操作同实施例3,进行扦插试验,其试验结果如下:
表4 对比生根营养液的试验结果
对比例4
采用市面上购买的生根粉替换实施例3中的生根营养液,其它操作同实施例3,进行扦插试验,其试验结果如下:
表5 市售生根粉的试验结果
对比例5
采用公开号为CN104206135A的中国专利文献提供的叶面肥(0.5%吲哚乙酸与0.5%蔗糖的混合液)替换实施例3中的生根营养液,其它操作同实施例3,进行扦插试验,其试验结果如下:
表6 专利组分的试验结果
由上述试验结果可以看出,采用对照生根剂及市售生根粉对插条进行处理,其雪中红扦插育苗的成活率低于本发明实施例1-3的成活率,根原基生成时间和生根时间较长。
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 (10)
1.一种雪中红插条的生根营养液,其特征在于,由如下组分组成:
NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足。
2.根据权利要求1所述的生根营养液,其特征在于,各组分用量为:
NAA 80~100ppm,IBA 80~100ppm,蔗糖3wt%,尿素4wt%~5wt%,水补足。
3.一种雪中红的扦插育苗方法,其特征在于,包括如下步骤:
将雪中红插条的形态学下端浸入生根营养液中进行生根培养;所述生根营养液由如下组分组成:NAA 50~100ppm,IBA 60~100ppm,蔗糖1wt%~3wt%,尿素1wt%~5wt%,水补足;
待根原基长出后,将插条扦插入基质中进行育苗。
4.根据权利要求3所述的扦插育苗方法,其特征在于,所述将雪中红插条的形态学下端浸入生根营养液中之前还包括枝条采集和剪插条的步骤。
5.根据权利要求4所述的扦插育苗方法,其特征在于,所述枝条采集为:在晴天日出之前采集雪中红当年半木质化、生长健壮、芽眼饱满、节间长度均匀的枝条,采集后进行保湿处理。
6.根据权利要求4或5所述的扦插育苗方法,其特征在于,所述剪插条为:将采集的枝条剪成8~10cm的插条,剪口平整,保留芽2节,上部叶片保留2片。
7.根据权利要求3至6中任一项所述的扦插育苗方法,其特征在于,所述生根培养时生根营养液进行加氧处理。
8.根据权利要求3至7中任一项所述的扦插育苗方法,其特征在于,以重量份计,所述基质由泥炭1~3份、珍珠岩3~5份、沙子2~4份组成。
9.根据权利要求8所述的扦插育苗方法,其特征在于,所述基质中还包括多菌灵和呋喃丹。
10.根据权利要求3至9中任一项所述的扦插育苗方法,其特征在于,所述育苗的温度为20~28℃,湿度为90%~95%。
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CN113367137A (zh) * | 2021-07-05 | 2021-09-10 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | 一种快速诱导烟叶衰老的培养液与处理方法 |
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