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A kind of sleeve grafting method of jacaranda seedlings

A sleeve and seedling technology, which is applied in the field of sleeve grafting of jatropha seedlings, can solve the problems of slow grafting speed, high grafting cost, and low grafting survival rate

Active Publication Date: 2020-07-07
HUBEI UNIV FOR NATITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In summary, the problems in the prior art are: the conventional grafting and bud grafting of Jatropha have slow grafting speed, low grafting survival rate, high grafting cost, and a small number of grafted seedlings

Method used

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  • A kind of sleeve grafting method of jacaranda seedlings

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In 2014, the sleeve grafting of Jatropha seedlings was carried out in Hehua Village, Shaxi Township, Lichuan City, Hubei Province.

[0030] 1. Germination of rootstock seeds: the sowing time of Jatropha rootstock seeds is sown 20 days before the germination of the female plants of Jatropha, and plug seedlings need to be sown on March 1; 10 days before sowing, that is, on February 20, they are germinated in a variable temperature germination box , keep at 28°C during the day, and 15°C at night to accelerate germination. After 10 days, when the Jatropha seeds just germinate, they can be sown into the seedling trays;

[0031] 2. Sowing rootstock seeds: use soilless substrate plugs for seedling cultivation, use peat: vermiculite: perlite = 2:1:0.5 volume ratio mixed substrate, and use 500 times carbendazim for substrate disinfection; plug specifications are plastic black Thickened 128 hole trays, on March 1st, each tray was sown with a jatropha seed that had gone into verna...

Embodiment 2

[0038] In 2015, the sleeve grafting of Jacaranda seedlings was carried out in the modern greenhouse of Hubei University for Nationalities.

[0039] 1. Germination of rootstock seeds: plug seedlings need to be sown on March 8; 10 days before sowing, that is, on February 29, they should be germinated in a temperature-changing germination box at 28°C during the day and 15°C at night. After 10 days, Dangshan Tongzi Seeds can be sown into seedling trays when they just germinate;

[0040] 2. Sowing rootstock seeds: use soilless substrate plugs for seedling cultivation, use peat: vermiculite: perlite = 2:1:0.5 volume ratio mixed substrate, and use 500 times carbendazim for substrate disinfection; plug specifications are plastic black Thickened 128-hole plug tray, on March 8, sowed a jatropha seed that had been germinated in each plug tray;

[0041] 3. Requirements for sowing facilities; choose a PC hollow board greenhouse to grow seedlings on the plug matrix of jatropha, shield 90% ...

Embodiment 3

[0047] In 2016, the sleeve grafting of Jatropha seedlings was carried out in Aishan Village, Gaoluo Township, Xuanen County.

[0048] 1. Germination of rootstock seeds: on March 5, germination was performed in a temperature-variable germination box, at 28°C during the day and at 15°C at night, and on March 15, the seeds of Jatropha Dangshan germinated;

[0049] 2. Sowing rootstock seeds: use soilless substrate plugs for seedling cultivation, use peat: vermiculite: perlite = 2:1:0.5 volume ratio mixed substrate, and use 500 times carbendazim for substrate disinfection; plug specifications are plastic black Thickened 128-hole hole tray, on March 15th, sow a jatropha seed that has entered the vernalization in each hole tray;

[0050] 3. Requirements for sowing facilities; choose a PC hollow board greenhouse to grow seedlings on the plug matrix of jatropha, shield 90% of ultraviolet rays, avoid fibrosis of jatropha seedlings, and keep the rootstock of jatropha in a tender state; ...

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Abstract

The invention belongs to the technical field of idesia polycarpa grafting, and discloses an idesia polycarpa seedling sleeve grafting method. Idesia polycarpa seeds are sown and true stocks are cultivated; the idesia polycarpa stock seeds are sown 20 days before germination of female plants of idesia polycarpa; a PC hollow-board greenhouse is used for idesia-polycarpa plug seedling production; resting-bud tender leaves with two leaves and one heart and terminal-bud tender leaves with two leaves and one heart are collected to serve as scions; sleeve pipes with the diameter of 3.0 mm are used for grafting. A large amount of female scions are obtained, and the problem that the scions are not enough in the production is solved; plastic sleeves are adopted, moisture is retained, water loss is prevented, invasion of bacteria is prevented, and the survival rate can reach 95% or above; the plastic sleeves are adopted for grafting, the grafting speed is high, operation is simple, most labor issaved, the cost is low, the idesia polycarpa grafting speed is largely improved, and the number of idesia polycarpa grafting seedlings can be significantly improved; the grafting time is early, the goal of idesia polycarpa for sell in those years can be achieved, and the time required for idesia polycarpa for sell is shortened by one year.

Description

technical field [0001] The invention belongs to the technical field of jacarina grafting, in particular to a sleeve grafting method of jacaranda seedlings. Background technique [0002] Jacarnia is dioecious, with a male-to-female ratio of about 50%. There are fewer female scions used for grafting in production, resulting in less supply of Jacarnia grafted seedlings in my country at present; For bud grafting, the rootstock of Jatropha must be cultivated for one year, and the grafted seedlings can emerge from the nursery in the second year, and the seedling cultivation time is longer; the conventional grafting and bud grafting of Jatropha have higher technical requirements, the grafting speed is slow, and the survival rate of grafting is generally 50-50%. 60%, the survival rate of grafting is not high, the cost of grafting is high, and the number of grafted seedlings obtained is small. The reason for the low survival rate of grafting was that the aging growth vigor of the bran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/35A01G17/00
CPCA01G17/005
Inventor 陈耀兵刘汉蓁郑小江石开明董静洲
Owner HUBEI UNIV FOR NATITIES
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