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Anti-dry rot hickory nursery stock grafting cultivation method

A technology of hickory and dry rot, which is applied in the field of grafting and cultivating hickory seedlings resistant to dry rot, can solve problems such as affecting food safety, failing to obtain satisfactory control effects, and increasing economic costs, so as to reduce economic losses and avoid pathogenic bacteria resistance. Increased medicinal properties and strong resistance

Active Publication Date: 2015-01-21
杭州市林业科学研究院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the long-term use of the above-mentioned types of pesticides and fungicides will cause pathogenic bacteria to develop resistance to the above-mentioned fungicides. If this type of pesticides continue to be used, not only will the economic cost be significantly increased, but also satisfactory control effects cannot be obtained.
In addition, what cannot be ignored is that long-term pesticide application not only affects food safety, but also brings great pressure to environmental protection

Method used

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  • Anti-dry rot hickory nursery stock grafting cultivation method
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  • Anti-dry rot hickory nursery stock grafting cultivation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 The cultivation of anti-dry rot hickory seedlings

[0026] 1. Selection of scions

[0027] Choose the annual vegetative growth shoots on the adult hickory trees of Zhejiang Hickory and Dabie Mountain Hickory to do the scion. The branch of the scion is 4cm, and it is better to use thick, short internodes, strong and full buds.

[0028] 2. Selection and cultivation of rootstock

[0029] The rootstock seedling raising method adopts the "strawberry type" Hunan hickory nut seeds of the Juglandaceae Carya genus to carry out seed seedling raising.

[0030] Select a strong, medium-sized mature tree of the "strawberry-type" Hunan hickory of the Juglandaceae hickory, and collect a large number of naturally falling fruits after white dew as seeds. After the seeds are germinated, the seeds with strong radicle growth are picked for sowing. Fertilization follows the principle of giving priority to organic fertilizers, supplemented by chemical fertilizers, applying suf...

Embodiment 2

[0034] Example 2 Inoculation test of dry rot pathogenic bacteria on grafted seedlings obtained with Zhejiang hickory as scion and "strawberry type" Hunan hickory as rootstock

[0035] 1. Test location, materials and sources

[0036] Pathogen inoculation material source: Hickory dry rot pathogen “L 1 ".

[0037] Test site and materials: The test site is located in the Huangshan Pingshan walnut forest base in Linkeng Village, Longgang Town, Lin'an City. The soil is reddish-yellow soil where hickory dry rot is prone to occur, and the hickory trees are 6-7 years old. Adopt the cultivation method of the grafted seedling described in embodiment 1, take Zhejiang hickory as scion, " strawberry type " Hunan hickory as rootstock, obtain 30 strains of Hunan rootstock Zhejiang hickory, do the susceptibility testing material, with 10 strains Zhejiang Zhenshan walnut was used as inoculation control.

[0038] 2. Inoculation method of dry rot pathogen

[0039] (1) Surface disinfection of...

Embodiment 3

[0050] Example 3 Inoculation test of dry rot pathogenic bacteria on grafted seedlings with Dabie Mountain hickory as scion and "strawberry type" Hunan hickory as rootstock

[0051] Adopt the cultivation method of the grafted seedling described in embodiment 1, take Dabieshan hickory as scion, " strawberry type " Hunan hickory as rootstock, obtain 28 strains of Dabieshan hickory in Hunan rootstock, make the susceptibility testing material, with 10 strains Dabie Mountain pecans were used as inoculation control. The same inoculation test as in Example 2 was used to test the resistance of different types of seedlings to dry rot. The test results are as follows:

[0052] The results of the inoculation test in September 2013 are as follows:

[0053]

[0054]

[0055] The results of the inoculation trial in May 2014 are as follows:

[0056]

[0057] The test results show that the hickory seedlings grafted with Hunan rootstock Dabie Mountains cultivated by the present inve...

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Abstract

The invention discloses an anti-dry rot hickory nursery stock grafting cultivation method. According to the method, hickory susceptible to dry rot is used as the scion, and strawberry type Hunan hickory is used as the stock. The hickory nursery stock obtained through grafting cultivation with the method is capable of resisting dry rot, the morbidity of dry rot is near zero, pesticides for resisting dry rot are not needed basically, and in this way, planting cost is reduced, economic benefits are improved, and improvement of drug resistance of pathogenic bacteria and the influence of bactericides on the environment caused by excessive application of bactericides can also be avoided.

Description

technical field [0001] The invention relates to the field of plant protection and cultivation, in particular to a method for grafting and cultivating dry rot-resistant hickory seedlings. Background technique [0002] Carya is a worldwide dry fruit, belonging to Juglandaceae (Juglandaceae) Carya (Carya), and there are 18 species in the whole genus, which are distributed throughout Asia, Europe, America and other continents. There are 5 species of natural distribution in our country, all of which belong to the bare bud hickory group, namely Zhejiang hickory (Carya cathayensis), Hunan hickory (Carya hunanensis W.C.Cheng et R.H.Chang ex Chang et Lu), Guizhou hickory (Carya kwewhowe Kuang et A.M.Lu), Vietnamese hickory (Carya Tonkinensis H.Lec.) and Dabie Mountain hickory (Carya dabieshanesis M.C.Liu et Z.J.Li). Among all 18 species, there are only two kinds of pecans in the United States and Zhejiang pecans, which are the most widely used in artificial cultivation. [0003] Th...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 赵伟明董建华袁紫倩查琳李皓王正加
Owner 杭州市林业科学研究院
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