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Cutting seedling-raising method of Pyrus betulifolia Bunge

A technology for growing seedlings by cuttings and Du pears, which is applied in the field of cuttings and seedlings for Du pears, can solve the problems of unknown cutting specifications and processing methods for suitable substrates, hinder the healthy development of the pear industry, and cannot guarantee the quality of pears, so as to improve the survival rate of cuttings, The effect of high qualified rate of seedlings and low cost

Inactive Publication Date: 2020-04-21
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In actual production, Du pears mainly reproduce sexually, and the quality of seedlings varies greatly, and the quality cannot be guaranteed.
Due to its difficulty in rooting, the asexual reproduction coefficient is low, and because there are few research reports on the cutting technology of Du pear, the cutting technology of Du pear is not mature, and the applicable substrate, suitable hormone ratio, cutting specifications and processing methods are unknown. Therefore, it is difficult to apply cutting propagation to production, which hinders the healthy development of the pear industry to a certain extent.

Method used

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  • Cutting seedling-raising method of Pyrus betulifolia Bunge
  • Cutting seedling-raising method of Pyrus betulifolia Bunge
  • Cutting seedling-raising method of Pyrus betulifolia Bunge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of cutting seedling raising method of Du pear, concrete steps are as follows:

[0026] Step ⑴Prepare the cutting seedbed: first use the river sand after 400 times carbendazim liquid spray disinfection and sunlight disinfection to lay a sand bed about 5cm deep; in parts by weight, mix 1 part of perlite and 3 parts of peat evenly , to obtain the mixed matrix; place a small amount of sphagnum moss at the bottom of the hole tray (50 holes), then fill the mixed matrix with water, place the tray on the sand bed, and set aside for use;

[0027] Step (2) Pretreatment of cuttings: Cut the vigorously growing Du pear branches (diameter 1.8-2.0mm) in the same year on April 6, cut them into 7cm sections, make the incision upwards and downwards, and leave 2 leaves to obtain cuttings. Soak the base of cuttings in 100mg / L IBA+100mg / L NAA+10mg / L 6-BA solution for 10min;

[0028] Step ⑶ Cutting: Insert the cuttings soaked in the rooting agent into the tray with the mixed substrat...

Embodiment 2

[0035] A kind of cutting seedling raising method of Du pear, concrete steps are as follows:

[0036] Step ⑴Prepare the cutting seedbed: first use the river sand that has been sprayed and disinfected with 400 times of carbendazim liquid and disinfected by sunlight to lay a sand bed about 5cm deep; in parts by weight, mix 1 part of perlite and 4 parts of peat evenly , to obtain the mixed matrix; place a small amount of sphagnum moss at the bottom of the hole tray (50 holes), then fill the mixed matrix with water, place the tray on the sand bed, and set aside for use;

[0037] Step (2) Pretreatment of cuttings: Cut the vigorously growing Du pear branches (diameter 2.0-2.5mm) in the same year on May 10, cut them into 9cm sections, make the incision upwards and downwards, and leave 2 leaves to obtain cuttings. Soak the base of cuttings with 100mg / L IBA+100mg / L NAA+5mg / L 6-BA solution for 1min;

[0038] Step ⑶ Cutting: Insert the cuttings soaked in the rooting agent into the tray w...

Embodiment 3

[0043] A kind of cutting seedling raising method of Du pear, concrete steps are as follows:

[0044] Step ⑴Prepare the cutting seedbed: first use 400 times of carbendazim liquid spray disinfection and sunlight disinfection to lay a sand bed with a depth of about 5cm; in parts by weight, mix 1 part of perlite and 5 parts of peat evenly , to obtain the mixed matrix; place a small amount of sphagnum moss at the bottom of the hole tray (50 holes), then fill the mixed matrix with water, place the tray on the sand bed, and set aside for use;

[0045] Step (2) Pretreatment of cuttings: Cut the vigorously growing Du pear branches (diameter 1.5-2.0mm) in the same year on June 6, cut them into 9cm sections, make the incision upwards and downwards, and leave 3 leaves to obtain cuttings. Soak the base of cuttings in 500mg / L IBA+200mg / L NAA+50mg / L 6-BA solution for 5min;

[0046] Step ⑶ Cutting: Insert the cuttings soaked in the rooting agent into the tray with the mixed substrate by dire...

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Abstract

The invention relates to a cutting seedling-raising method of Pyrus betulifolia Bunge. The method comprises the following steps: step (1): preparing a cutting seedling bed; step (2): pretreating cuttings; step (3): performing cutting; step (4): performing management after cutting; and step (5): performing seedling-hardening and transplanting. The cuttings obtained by the method have good rooting effects, relatively many lateral roots, and good root system quality, and obtained seedlings have a high pass rate, and neat and consistent growth conditions, so that the cutting survival rate of Pyrusbetulifolia Bunge is effectively improved, and a solid foundation for an application of the cutting technology in the actual production of Pyrus betulifolia Bunge is laid.

Description

technical field [0001] The invention relates to the technical field of fruit tree planting, in particular to a method for growing seedlings of Du pears through cuttings. Background technique [0002] Du pear (Pyrus betulifolia Bunge) is a deciduous tree in the Rosaceae family, with thorns on its branches. The plant height can reach 10 meters, and the biennial branches are purple-brown. The leaf blade is diamond-shaped ovate to oblong-ovate, and the upper and lower sides of the young leaves are densely covered with off-white tomentose; the petiole is covered with off-white tomentose; the stipules fall early. Seeds brown, small. The fruit is nearly spherical, brown, with light spots, the flowering period is April, and the fruiting period is August-September. Du pear has a deep and well-developed root system, few lateral roots, and strong adaptability. The grafted tree grows vigorously, bears early results, has high yield, and has a long lifespan. [0003] my country's pear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G24/12A01G24/15A01G24/28A01G24/22A01N43/38A01N37/10A01N43/90A01P21/00
CPCA01N37/10A01N43/38A01N43/90A01G2/10A01G24/12A01G24/15A01G24/22A01G24/28
Inventor 姜峰王宝安李天忠王圣元孙玉现
Owner CHINA AGRI UNIV
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