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Method for cultivating cork oak seedlings

A cultivation method, the technology of cork oak, applied in the field of cultivation of cork oak seedlings, can solve the problems of only 30-50% survival rate of afforestation, water absorption, etc.

Inactive Publication Date: 2012-11-14
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When afforestation, when digging seedlings from the nursery, it is often easy to dig out the root system because the root system is too long. Sometimes a longer tap root can be dug out, but because there are few root hairs and fine roots, it is difficult to remove it from the soil after afforestation. Under normal circumstances, the survival rate of cork oak seedlings for afforestation is only 30-50%

Method used

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  • Method for cultivating cork oak seedlings
  • Method for cultivating cork oak seedlings
  • Method for cultivating cork oak seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Example 1: Cultivation of Quercus variabilis seedlings

[0075] The implementation steps of this embodiment are as follows:

[0076] 1. A method for cultivating seedlings of Quercus variabilis, characterized in that the steps of the method are as follows:

[0077] A. Seed collection and Tibetan seed

[0078] From September to October of that year, the seeds of Quercus variabilis were collected from its fine forests or excellent trees, and then immediately spread out in a ventilated place to dry in the shade, turning twice a day, and drying until the seed coat turns pale yellow, and the moisture in the species disappears to reach the weight Total 18%.

[0079] B. Seedling land selection and seedbed improvement

[0080] Choose the flat river beach land below 1500m above sea level in Bashan Mountain in Qinling as the nursery; the length of the seedbed is 4m and the width is 1.5m. 25cm and 30cm wide soil flute to keep water and management staff to walk when working in the nursery; t...

Embodiment 2

[0097] Example 2: Cultivation of Quercus variabilis seedlings

[0098] This example was carried out in the same manner as Example 1, except that the plump Quercus variabilis seeds were picked up under the excellent tree, and 900 seeds were separated, and the different storage methods of the seedlings of the variegated oak seedlings were changed: (1) Dry storage at room temperature (packed in bags) Warehouse); (2) Low temperature refrigeration (stored in the refrigerator -5-1 ℃); (3) Normal temperature sand storage (wet sand); (4) Direct sowing in early November. In the spring of the second year (April), check the number of insects and mildew before sowing; then soak the seeds in warm water for 48 hours, and then sow the seeds directly in the nutrient bowl, sow 2 seeds in each nutrient bowl, and check the number of germination in June; Insect rate, mildew rate and germination rate.

[0099] The results of the implementation are shown in Table 1.

[0100] Table 1: The effects of diff...

Embodiment 3

[0103] Example 3: Cultivation of Quercus variabilis seedlings

[0104] This example was carried out in the same manner as Example 1, except that 400 cork oak seeds were selected from the Quercus variabilis seeds collected from the excellent tree, and divided into four parts, each with 100 seeds, and 4 different treatments were used:

[0105] Treatment 1: After sieving the ordinary forest soil, put it in a nutrient bowl + soaking seeds in warm water;

[0106] Treatment 2: Seedling-growing soil obtained by fully mixing nutrient soil and basic soil at a weight ratio of 2:1;

[0107] Treatment 3: Use treatment 2 soil to sow + 28mg / Kg rooting powder to soak seeds:

[0108] Treatment 4: On the basis of treatment 3, spraying rooting powder was added twice: 15mg / Kg rooting powder was sprayed when the growth length of the radicle roots of the variegated oak seedlings reached 1.0cm and 10cm.

[0109] In April, different treatments were used to sown in nutrient bowls with different soils. After the...

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Abstract

The invention relates to a method for cultivating cork oak seedlings. The method comprises the steps of collecting and storing seeds, selecting a seedling cultivating field, regulating a seedling bed, preparing seedling cultivating soil, processing the seeds, soaking the seeds in rooting powder, hand sowing in a nutrition pot, spraying rooting powder solution, lifting and transplanting the seedlings and the like. According to the method, through excellent cork oak forest stand or superior tree seed collection, and as the rooting powder is used for soaking the seeds and the prepared soil, and the rooting powder solution is sprayed for two times, the root length of the seedling which is cultivated for 1-2 years is increased by 30%, and the number and length of rootlets are respectively increased by 40%-30%. The seedling cultivating cost is lowered by 30%. The survival rate of cork oak afforestation by seedlings reaches 85%-90%.

Description

【Technical Field】 [0001] The invention relates to a tree seedling raising technique. More specifically, the present invention relates to a method for cultivating cork oak seedlings. 【Background technique】 [0002] Quercus variabilis is a precious timber species, distributed in 22 provinces and regions in China, among which Qinling Mountains and Bashan Mountains are the core areas of distribution. The bark of Quercus variabilis is a softwood raw material; buds, branches, leaves, containing tannin extract; large-diameter wood is hard, and it is a precious timber species second only to mahogany. It is very popular among furniture construction materials, small-diameter wood and branches The material is the raw material for high-grade edible fungus production. In the income of farmers in the Bashan area of ​​Qinling Mountains, the income of forest products using cork oak as raw material occupies an important part. The annual output of softwood in my country reaches millions of tons...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G23/00A01C1/00A01G9/10A01G7/06
CPCY02A40/22Y02P60/40
Inventor 张文辉周建云何景峰马闯
Owner NORTHWEST A & F UNIV
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