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落叶乔木;树皮淡灰色,老时纵直深裂

网址:www.jiazanmiaomu.com  2021-05-18  作者:admin    阅读:

落叶乔木;树皮淡灰色,老时纵直深裂。叶在长枝上螺旋状散生,在短枝上丛生。叶片扇形,顶端带2浅裂。雌雄异株;通常雄株长枝斜上伸展,雌株长枝较雄株开展和下垂;短枝密,被叶痕,黑灰色;冬芽黄褐色,圆锥形,钝尖。雄蕊花丝短;雌球花有长梗。种子核果状,椭圆形、倒卵形或圆球形,果熟时橙黄色,叶形奇特秀美,秋季金黄色,树姿雄伟壮丽寿命且长,为优良的园林观叶树种。国家二级保护稀有种。
Deciduous trees; The bark is light gray, straight and deeply split when old. The leaves are scattered spirally on the long branch and clustered on the short branch. Leaf blade fan-shaped, apex with 2 lobes. Dioecious; In general, the long branches of male plants extend obliquely, while the long branches of female plants are more developed and drooping than male plants; Branchlets dense, marked by leaves, black gray; The winter buds are yellowish brown, conic and obtuse. Stamen filaments short; Female cones have long stalks. The seeds are drupe shaped, oval, obovate or spherical. The fruit is orange yellow when ripe. The leaves are peculiar and beautiful. The trees are golden yellow in autumn. The trees are magnificent and have a long life span. It is an excellent landscape foliage tree species. Rare species under the second level national protection.
通常来讲,银杏的繁殖方法主要有有分株、插秧,嫁接三种方法:
Generally speaking, there are three main propagation methods of Ginkgo biloba: ramet, transplanting and grafting
1.分株法
1. Ramet method
在2-3月之间,从银杏雌树的根部长出来的芽条,把它挖掉,要带有毛细根,移栽定植,栽前要施肥,栽的深度要适当,移栽后干旱的时候要浇水。
Between February and March, the buds growing from the roots of Ginkgo biloba female trees should be dug out, with capillary roots, transplanted and planted, fertilized before planting, planted at an appropriate depth, and watered when it is dry after transplanting.
2.扦插法
2. Cutting method
此法要在夏天扦插,从树上选取当年的软枝条,剪成10厘米一节,底部切成斜面,用生根液浸泡30分钟,扦插在土壤里,经常喷水,一个月就可以生根。
This method is to cut in summer. Select the softwood of that year from the tree, cut it into a section of 10 cm, cut it into an inclined plane at the bottom, soak it in rooting solution for 30 minutes, and spray water in the soil frequently. It can take root in a month.
3.嫁接法
3. Grafting
可以在2-5年内结果。银杏树移栽应在春秋两个季度。春季每一亩地栽种100棵,挖坑栽植,挖坑深度在50厘米,把有机肥,化肥混合在一起,把银杏苗放在坑里踏实,浇水。第二年每亩施肥80千克。第三年进入旺盛时期。
Results can be achieved in 2-5 years. Ginkgo trees should be transplanted in spring and autumn. In spring, plant 100 trees per mu of land, dig a pit to plant, dig a pit to a depth of 50 cm, mix organic fertilizer and chemical fertilizer, put ginkgo seedlings in the pit, and water them. In the second year, 80 kg fertilizer was applied per mu. In the third year, it entered a vigorous period.

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