CN111165247A - 一种易移栽丛生紫薇的快速培育方法 - Google Patents
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Abstract
本发明属于园林景观工程技术领域,涉及一种易移栽丛生紫薇的快速培育方法,步骤包括:设计树形、选紫薇树、组合定植、制剂处理、回填壤土、环围沙土、搭支撑架、跟踪管护等。该方法通常设计树形为基部3~11分枝,并选择地径5cm以上,树姿互相协调、近自然的带土球单株组成上述分枝树形;开挖直径150cm左右的种植穴;把入选的单株紫薇,按近自然设计形状定植;互相靠近的土球面用螺丝刀去土留根、使单株根系互相交联,并用含有杀菌、促生根的复合制剂处理根部及土球表面;树穴及单株间回填壤土并踏实,树穴四周环围沙土;搭建多个三角形支撑架,按预设计的树形固定各分枝;及时浇水、施肥,管护、培育2~3年即可出圃。
Description
技术领域
本发明涉及一种园林植物景观工程技术,是一种苗木定向、快速培育方法,具体为一种易移栽丛生紫薇的快速培育方法。
背景技术
紫薇又名痒痒树、百日红、无皮树,为千屈菜科紫薇属落叶灌木或小乔木;树皮平滑,灰色或灰褐色;紫薇树姿优美,枝干多扭曲;夏季开花,花色艳丽,花期长,有“百日红”之称,是观干、观花的优良树种。紫薇传统上多培养成单干,我国当前苗圃,单干紫薇存量大,而从生紫薇存量较小。
丛生紫薇为造型紫薇的一种,其基部多分枝,枝干多、花量大,近年,越来越受市场欢迎。自然生长的丛生紫薇培育周期长,通常要12年以上,且苗圃存量少,不能满足市场需要。
发明内容
本发明要解决的技术问题是针对丛生紫薇培育周期长、移栽不方便等缺点,针对现有技术的不足,提出了一种快速构建、培育丛生紫薇的新方法,通过设计树形、选紫薇树、组合定植、制剂处理、回填壤土、环围沙土、搭支撑架、跟踪管护等关键步骤培育的丛生紫薇具有培育周期短、树形可设计、成活率高、易于移栽等特点。
本发明的目的是克服现有紫薇培育周期长等缺点,提供了一种快速培育所需树形的丛生紫薇的方法,其特点是:
(1)根据市场需求,灵活设计树形,通常设计紫薇树形为基部3~11分枝。
(2)选择地径5cm以上,树姿互相协调、近自然的紫薇单株,并进一步修剪成上述分枝树形。
(3)组合定植时,互相靠近的土球面用螺丝刀去土留根、使单株根系互相交联,裸露的根系及土球表面用配方为“0.1~0.3%多菌灵+250~500mg/LNAA+100~200mg/L IAA”的复合制剂处理。
(4)环围沙土时,用铁锹等工具辅助开缝,回填的壤土四周环围1~3cm沙土,利于2~3年后出圃移栽时方便形成稍大的土球。
本发明可有效弥补丛生紫薇生产技术的不足,通过树形设计,形成市场需要的丛生紫薇造型,通过复合制剂处理,丛生紫薇的成活率高、生长速度快,培育的丛生紫薇景观价值高,可以满足园林工程的需要。
本发明操作简便,丛生紫薇的树形根据市场需求设计、培育,所用制剂配方简单,使用喷雾方法处理根部土球,操作方法方便。随着对紫薇造型的要求不断提升,丛生紫薇的应用越来越广泛,在保证丛生紫薇造型及健康生长的前提下,充分发挥其景观效果,市场前景广阔。
具体实施方式:
下面结合具体实施例对本发明做进一步说明。
实例,一种易移栽丛生紫薇的快速培育方法。根据市场需求设计丛生紫薇树形,设计紫薇基部为5分枝;选树姿互相协调、地径为6cm的紫薇‘红火箭’单株5株,并进一步修剪成设计树形;组合定植,开挖直径150cm的种植穴;把入选的5株紫薇‘红火箭’带土球起苗,按近自然设计形状互相靠近、定植;互相靠近的土球面,用螺丝刀去土留根、使单株根系互相交联,裸露的根系及土球表面用配方为“0.1%多菌灵+300mg/LNAA+100mg/L IAA”复合制剂处理;回填壤土,回填壤土时,每穴均匀混入8kg有机肥,树穴及单株间充分回填,并踏实;环围沙土,用铁锹等工具辅助开缝,回填的壤土四周环围1~3cm沙土,利于2~3年后出圃移栽时方便形成稍大的土球;搭支撑架,搭建多个三角形支撑架,按预设计的树形固定各分枝;跟踪管护,及时浇水,春夏季,每月追施尿素1次,每丛400g;秋冬季,每丛追施有机肥8kg,精细管护、培育2~3年即可出圃。
本实例选择出的3种药剂种类及浓度复合制剂,是经过多种药剂试验及浓度调配后选择出的较为有效的配方,既可以提高地径5cm以上的紫薇单株的成活率,又可以使其生长健壮,为丛生紫薇的培育提供保障;回填的壤土四周环围1~3cm沙土,利于2~3年后出圃移栽时方便形成稍大的土球。
Claims (6)
1.一种易移栽丛生紫薇的快速培育方法,其特征在于包含以下步骤:
(1)设计树形,该方法,通常设计树形为基部3~11分枝;
(2)选紫薇树,选择地径5cm以上,树姿互相协调、近自然的紫薇单株,并进一步修剪成上述分枝树形;
(3)组合定植,开挖直径150cm左右的种植穴,把入选的单株紫薇带土球起苗,按近自然设计形状互相靠近、定植;
(4)制剂处理,互相靠近的土球面用螺丝刀去土留根、使单株根系互相交联,裸露的根系及土球表面用含有杀菌、促生根的复合制剂处理;
(5)回填壤土,回填壤土时,每穴均匀混入6~10kg有机肥,树穴及单株间充分回填,并踏实;
(6)环围沙土,用铁锹等工具辅助开缝,回填的壤土四周环围1~3cm沙土,利于2~3年后出圃移栽时方便形成稍大的土球;
(7)搭支撑架,搭建多个三角形支撑架,按预设计的树形固定各分枝;
(8)跟踪管护,及时浇水,春夏季,每月追施尿素1次,每丛300~500g;秋冬季,每丛追施有机肥5~8kg,管护、培育2~3年即可出圃。
2.根据权利要求1所述的一种易移栽丛生紫薇的快速培育方法,其特征在于:根据市场需求,先设计丛生紫薇的树形,按预定形状快速培育市场亟需的丛生紫薇树。
3.根据权利要求1所述的一种易移栽丛生紫薇的快速培育方法,其特征在于:所选紫薇树,通常为特定花色的紫薇无性系良种,如‘红火箭’、‘红火球’、‘天鹅绒’、‘赤霞’、‘金幌’、‘丹霞’、‘紫精灵’等紫薇良种或优良无性系。
4.根据权利要求1所述的一种易移栽丛生紫薇的快速培育方法,其特征在于:所选单株间树姿互相协调,可进一步修剪、组合成匀称、优美的丛生紫薇树。
5.根据权利要求1所述的一种易移栽丛生紫薇的快速培育方法,其特征在于:所述复合制剂,为杀菌、促生根的复合制剂,具体配方为“0.1~0.3%多菌灵+250~500mg/LNAA+100~200mg/LIAA”,通过喷施该复合制剂,定植后的上述丛生紫薇根系萌芽能力强、植株生长健壮,成活率达98%以上。
6.根据权利要求5所述的复合制剂,其处理方法为喷施所述紫薇裸露的根部及土球表面。
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