The invention belongs to the technical field of the cultivation of Acer maple, and discloses a cultivation method for the rapid propagation of the branches of five leafy maple, which uses the shoot branch to breed the seedlings of the five small leaf maple, and has more shoots and stems on the shoots. In theory, it is not limited by the limited number of five Acer and less seed in theory, which can make the germination quantity and germination efficiency of the shoot stem segment and axillary bud to the maximum in a short time. The invention ensures that with maximum proliferation efficiency, the shoot stem segments continue to germinate cluster buds and axillary buds during the proliferation and culture process, and improve the survival rate and yield of five maple seedlings. The invention does not need to add new ingredients to the strong seedling medium, which greatly reduces the cost of the medium. By using the invention, the survival rate of five seedlings of Acer negundo can reach more than 80%.
【技术实现步骤摘要】
一种五小叶槭枝条快速繁殖的培养方法
本专利技术属于五小叶槭培养
,尤其涉及一种五小叶槭枝条快速繁殖的培养方法。
技术介绍
五小叶槭是中国四川特有种,生长于海拔2200-3000米的河谷地带。五小叶槭最早为洛克(J.F.Rock)于1929年在木里发现,由德国的Diels教授于1931年命名。落叶乔木,高达10米。树皮深褐色或灰褐色,常裂成不规则的薄片脱落。小枝圆柱形,无毛;当年生枝紫色,多年生枝紫褐色,有椭圆的皮孔。冬芽圆锥状,鳞片卵形,先端锐尖,紫色,复瓦状排列。掌状复叶,有小叶4-7,通常5;小叶纸质犷窄披针形,长5-9厘米,宽1.4-1.7厘米,先端锐尖,基部楔形或阔楔形,全缘;小叶柄长5-8毫米,淡黄色,无毛;上面深绿色,无毛,下面灰白色,略被白粉,主脉在上面显著,在下面凸起,侧脉17-19对、在两面均仅微显著;叶柄长67厘米,淡紫色,无毛。伞房花序,由着叶的小枝顶端生出,无毛;总花梗长1-1.5厘米;花淡绿色,杂性,雄花与两性花同株;萼片5,长圆卵形,长2.2-2.5毫米;花瓣5,长圆形或狭长圆形,长3.5-4毫米;雄蕊8,花丝无毛,长6毫米,花药黄色,卵圆形,在两性花中雄蕊较短;花盘位于雄蕊的外侧;子房被淡黄色疏柔毛,花柱无毛,柱头反卷。小坚果淡紫色,凸起,直径5毫米,略被疏柔毛;翅淡黄绿色,宽1厘米,连同小坚果长2.5-2.8厘米,张开近于锐角或钝角;果梗细瘦、长2-3厘米,无毛;总果梗长1.5-2厘米。花期4月,果期9月。由于五小叶槭野生体仅存在于中国四川省,数量稀少,因此,需要建立一种人工快速繁殖的培养方法来培育五小叶槭,以达到保护 ...
【技术保护点】
一种五小叶槭枝条快速繁殖的培养方法,其特征在于,所述五小叶槭枝条快速繁殖的培养方法包括以下步骤:步骤一,采集3年生以下,嫩梢长度为4~6cm的五小叶槭带芽枝条为外植体材料;步骤二,带芽枝条剪去叶片,切割成带芽茎段,对带芽茎段进行消毒,其具体消毒过程为:75%酒精浸泡50s,用10%次氯酸钠浸泡30min;步骤三,带芽茎段置于培养基中培养,培养基MS+NAA 0.05mg/L+6‑BA0.05mg/L+GA3 2.0mg/L+AC 1.0g/L;步骤四,壮苗培养,培养基为MS+GA3 1.0mg/L+NAA 0.05mg/L+6‑BA 0.05mg/L+AC 1.0g/L;步骤五,生根培养,培养基为White+IBA1.2mg/L+6‑BA 1.0mg/L+AC 1.0g/L;步骤六,生根培养后7~15d,将装有五小叶槭苗的组培罐移至室外遮阴棚或温室中进行闭罐炼苗15~20d,遮阴度为50%~70%;闭罐炼苗结束后,再打开组培罐盖,在自然光下进行开罐炼苗3~7d;炼苗结束后,用镊子将五小叶槭苗从组培罐中移出,洗净五小叶槭苗根部;步骤七,直接移栽,或使用0.1%~0.3%的高锰酸钾溶液或5 ...
【技术特征摘要】
1.一种五小叶槭枝条快速繁殖的培养方法,其特征在于,所述五小叶槭枝条快速繁殖的培养方法包括以下步骤:步骤一,采集3年生以下,嫩梢长度为4~6cm的五小叶槭带芽枝条为外植体材料;步骤二,带芽枝条剪去叶片,切割成带芽茎段,对带芽茎段进行消毒,其具体消毒过程为:75%酒精浸泡50s,用10%次氯酸钠浸泡30min;步骤三,带芽茎段置于培养基中培养,培养基MS+NAA0.05mg/L+6-BA0.05mg/L+GA32.0mg/L+AC1.0g/L;步骤四,壮苗培养,培养基为MS+GA31.0mg/L+NAA0.05mg/L+6-BA0.05mg/L+AC1.0g/L;步骤五,生根培养,培养基为White+IBA1.2mg/L+6-BA1.0mg/L+AC1.0g/L;步骤六,生根培养后7~15d,将装有五小叶槭苗...
【专利技术属性】
技术研发人员:胡进耀,蒋炜,王虹,别鹏飞,向莉,马月琴,
申请(专利权)人:绵阳师范学院,
类型:发明
国别省市:四川,51
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