Method for cuttage propagation of cupressocyparis leylandii 'Robertsons Gold'

A technology of cutting propagation and cypress, which is applied in the field of plant propagation and can solve problems such as blanks

Active Publication Date: 2012-06-20
ZHEJIANG SENHE SEED
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Problems solved by technology

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Embodiment 1

[0021] 1) Choose a site with slightly acidic, neutral and slightly alkaline soil, good drainage and convenient transportation, establish a fringe picking nursery in the female parent area of ​​weeping cypress, and erect a sunshade net with a shading rate of 65%. Level the seedbed ground of the ear-picking nursery so that the height difference between the center of the bed surface and the edge is less than 2cm, the seedbed is 100cm wide and 30m long, and the surface of the seedbed is covered with ground cloth. The planting row spacing of the ear picking nursery is 40cm×40cm, the density is 2500 plants / mu, and the height of the female parent is kept at 30cm;

[0022] 2) Mix the substrate evenly, fill it into the 72-hole plug tray, and keep the tightness of the substrate consistent. , placed 5-7 per square meter, and sterilized with 800% potassium acid solution 24 hours before cutting; : Yellow heart soil: mixed with organic fertilizer; the dry bulk density of the substrate is 0...

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Abstract

A method for cuttage propagation of cupressocyparis leylandii 'Robertsons Gold' belongs to the technical field of plant propagation and includes steps: firstly, mixing pulverized reed leaves, vermiculite, pearlite, loess and organic fertilizer into cuttage matrix according to a volume ratio of 2-4:0.5-2:0.5-2:3-5:0.5-2; thirdly, cutting an annual semi-ligneous lateral branch to obtain a cutting from a female parent of cupressocyparis leylandii 'Robertsons Gold' at the cuttage time, late July; fourthly, dipping a base of the cutting in plant rooting agent Sensheng No.2 at the speed 100-300ppm for one to three seconds; performing cuttage on a seedling bed prior to management and maintenance; and sixthly, exercising seedlings on the fifty-fifth to the sixty-fifth day after cuttage when rooting rate reaches above 90%. By the method, rooting is good, and yield reaches above 90%. The method is simple and fast in propagating and applicable to climate and soil of China, and has great market outlook.

Description

technical field [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a cutting propagation method for weeping cypress. Background technique [0002] Weeping cypress Cupressocyparis leylandii 'Robertsons Gold', belonging to the genus Cypress of Cupressaceae, evergreen coniferous tree, tree. The bark is brown, the surface is whitish in winter, the height of the tree is 20-25m, strong and upright; the crown is spire-shaped, and the crown width is 5-8m; the branches are red with thorns, with needles and scales, mainly golden yellow in summer, Green, yellow-green in winter, densely covered in branches that look soft and feather-like; leaves opposite each other. The soil type is not strict, and can grow in acidic, neutral and slightly alkaline soils, and likes fertile soil; likes full light conditions, and can grow in half shade; it is slightly drought-tolerant, salt-alkali-resistant, and pollution-resistant. Hedges, or cut into...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 郑勇平
Owner ZHEJIANG SENHE SEED
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