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Torreya grandis full-illumination cutting seedling raising method

A technology of cutting seedlings and torreya torreya, which is applied in the field of torreya torreya cutting seedlings under full light, can solve the problems of few lateral roots and difficult rooting, and achieve the effects of promoting tissue healing and rooting, strong seedlings, and increasing rooting rate

Pending Publication Date: 2021-06-11
ZHEJIANG FORESTRY ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for growing Chinese torreya cutting seedlings under full light, which solves the problems of difficult rooting and few lateral roots in the cutting seedlings of Chinese torreya, can significantly improve the rooting rate of Chinese torreya cuttings, and the cutting seedlings can maintain the excellent characteristics of the female parent. Advantages in terms of results

Method used

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  • Torreya grandis full-illumination cutting seedling raising method
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  • Torreya grandis full-illumination cutting seedling raising method

Examples

Experimental program
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Effect test

Embodiment 1

[0014] A method for cultivating seedlings of Torreya torreya full-illumination cutting, the method comprising:

[0015] (1) Collection and processing of cuttings

[0016] From March to April, before the sap flows, collect 1-2 year-old branches on the periphery of the canopy of the male plant and the mother tree, which are robust, normally developed, and free from diseases and insect pests, as seed strips. Cut the seed strips into 10-15cm long cuttings with terminal buds; before cutting, immerse the base of the cuttings in 0.01% ABT rooting powder solution for 2-4 hours, and cut them immediately after taking them out.

[0017] (2) Cutting method

[0018] The cuttings are cut in the peat substrate, the row spacing is 5cm×10cm. When cutting, first insert a hole with an iron rod slightly thicker than the cuttings, and then insert the cuttings along the hole. The cutting depth is 2 / 3 of the cuttings, and the substrate is compacted.

[0019] (3) Management after insertion

[0020...

Embodiment 2

[0023] The process is basically the same as in Example 1, the difference is that the seed bar is cut into 5-10cm long cuttings with terminal buds.

Embodiment 3-4

[0025] The process of embodiment 3,4 is substantially identical with embodiment 1,2 respectively, and difference is: before sap flows, collect growth robustly, normal development, the female plant mother tree middle and upper crown peripheral 1-2 annual branch that does not have damage by disease and insect to do kind of bar .

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Abstract

The invention discloses a torreya grandis full-illumination cutting seedling raising method. The torreya grandis full-illumination cutting seedling raising method comprises the following steps that 1-2-year-old branches on the periphery of a crown at the middle upper part of a male plant or female plant seed tree which is collected before sap flowing, grows robustly, develops normally and is free from plant diseases and insect pests are taken as seed branches, and the seed branches are cut into cutting slips with terminal buds; the base parts of the cutting slips are immersed in a rooting powder solution before cutting; after the cutting slips are taken out of the rooting powder solution, cutting is carried out in a substrate; for the cutting slips of the male plant seed tree, the substrate is a peat substrate; for the cutting slips of the female plant seed tree, the substrate is a peat substrate or a sand bed substrate; and after cutting, the cutting slips are sprayed, and full-illumination seedling culture is carried out. According to the torreya grandis full-illumination cutting seedling raising method, the rooting rate of the torreya grandis cutting slips can be remarkably increased, and cutting seedlings can keep the excellent characteristics of female parents; and meanwhile, the defect that grafted seedlings generate a large number of sprouting sticks on the bases of rootstocks every year is overcome, and the torreya grandis full-illumination cutting seedling raising method has the advantages in the aspects of tree body dwarfing and early fruiting.

Description

technical field [0001] The invention relates to a method for growing seedlings of Chinese torreya by cuttings, in particular to a method for growing seedlings of Chinese torreya by cuttings under full light. Background technique [0002] Torreya grandis Fort. is a rare dried fruit unique to my country. Its kernels are fragrant and crispy after frying, and rich in nutrition. At the same time, it can moisten the lungs, relieve cough, reduce phlegm, eliminate hemorrhoids, drive away roundworms, and prevent vascular sclerosis and coronary heart disease. And other health care functions, favored by consumers. In addition, torreya is evergreen in all seasons, with a graceful tree shape and great ornamental value. It has a huge lateral root system and has important ecological functions such as water and soil conservation and water conservation. It is an important ecological and economical tree species. [0003] At present, the seedlings used in the production of Torreya torreya in Z...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G17/00A01G31/00
CPCA01G2/10A01G17/005A01G31/00
Inventor 陈友吾沈建军宋其岩叶碧欢李海波
Owner ZHEJIANG FORESTRY ACAD
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