Cultivation method of oil-tea camelia dwarfing multi-branch seedlings

A cultivation method and multi-branch technology, which is applied in the cultivation field of camellia oleifera dwarf multi-branch seedlings, can solve the problems of less than 70% qualified rate of seedlings, differences in tree structure differentiation, and low qualified rate of seedlings, so as to reduce growth and differentiation Differences, low production costs, and the effect of improving the pass rate of the nursery

A cultivation method and multi-branch technology, which is applied in the cultivation field of camellia oleifera dwarf multi-branch seedlings, can solve the problems of less than 70% qualified rate of seedlings, differences in tree structure differentiation, and low qualified rate of seedlings, so as to reduce growth and differentiation Differences, low production costs, and the effect of improving the pass rate of the nursery

CN104303801AActive Publication Date: 2015-01-28袁昌选
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  • Cultivation method of oil-tea camelia dwarfing multi-branch seedlings

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Effect test

Embodiment 1

[0044] A method for cultivating Camellia oleifera dwarf multi-branched seedlings, comprising the steps of:

[0045] (1) Density control: adopt the conventional grafting seedling raising method to cultivate Camellia oleifera seedlings. After the seedlings grow into the 2nd instar stage, carry out the first seedling thinning before the spring germinates, that is, pull out the plants that have not germinated and are damaged by diseases and insect pests; when the seedlings enter the spring halfway After lignification, carry out the second thinning, remove dense weak plants, diseased and pest plants, mechanically damaged plants and oblique plants, and ensure that the growth space of a single seedling is 0.02m 2 , the spacing between plants is 15cm, and the yield of seedlings per mu is 20,000;

[0046] (2) Pruning and height control: pruning the Camellia oleifera seedlings of the 2nd age in three times, there are no obvious growth nodes in spring and summer, and the summer growth pe...

Embodiment 2

[0051] A method for cultivating Camellia oleifera dwarf multi-branched seedlings, comprising the steps of:

[0052] (1) Density control: adopt the conventional grafting seedling raising method to cultivate Camellia oleifera seedlings. After the seedlings grow into the 2nd instar stage, carry out the first seedling thinning before the spring germinates, that is, pull out the plants that have not germinated and are damaged by diseases and insect pests; when the seedlings enter the spring halfway After lignification, carry out the second thinning, and remove dense weak plants, diseased and pest plants, mechanically damaged plants and oblique plants, and ensure that the growth space of a single seedling is 0.025m 2 , the spacing between plants is 17cm, and the yield per mu is 18,000 seedlings;

[0053] (2) Pruning and height control: pruning the Camellia oleifera seedlings of the 2nd age in three times, there are no obvious growth nodes in spring and summer, and the summer growth ...

Embodiment 3

[0058] A method for cultivating Camellia oleifera dwarf multi-branched seedlings, comprising the steps of:

[0059] (1) Density control: adopt the conventional grafting seedling raising method to cultivate Camellia oleifera seedlings. After the seedlings grow into the 2nd instar stage, carry out the first seedling thinning before the spring germinates, that is, pull out the plants that have not germinated and are damaged by diseases and insect pests; when the seedlings enter the spring halfway After lignification, carry out the second thinning, remove dense weak plants, diseased and pest plants, mechanically damaged plants and oblique plants, and ensure that the growth space of a single seedling is 0.023m 2 , the spacing between plants is 16cm, and the yield of seedlings per mu is 19,000;

[0060] (2) Pruning and height control: pruning the Camellia oleifera seedlings of the 2nd age in three times, there are no obvious growth nodes in spring and summer, and the summer growth p...

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Abstract

The invention discloses a cultivation method of oil-tea camelia dwarfing multi-branch seedlings and belongs to the technical field of agricultural planting. The cultivation method includes that a conventional grafting seedling growing method to cultivate oil-tea camelia seedlings, and after the seedlings grow into a 2-year period, thinning is performed before spring-top germination and after spring-top semi-lignification respectively; trimming is performed on the seedlings for three times for height controlling in a spring-top semi-lignified period, after summer tops stop growing and in an autumn-top semi-lignified period; fertilizing is performed in a spring-top germination period, a summer-top germination period and an early autumn-top germination period respectively; flood drainage work is enhanced in rainy seasons, irrigation is performed properly in drought seasons, and out-of-nursery afforestation transplanting can be performed after the seedlings are cultivated to the end of the 2-year period. The seedlings cultivated by the method have the advantages of being dwarf, robust, branch-rich and high in outplanting qualification rate.

Description

technical field [0001] The invention relates to the technical field of agricultural planting, in particular to a method for cultivating dwarfed multi-branched seedlings of camellia oleifera. Background technique [0002] Camellia oleifera, also known as camellia oleifera, camellia oleifera and white flower tea, is the main woody edible oil tree species in my country. Accelerating the development of camellia oleifera industry is a strategic measure to improve the structure of people's edible oil and maintain the national oil security. In 2009, the three ministries and commissions of the country issued the "National Camellia Camellia Industry Development Plan (2009-2020)", which proposed a development target of more than 40 kilograms of oil per mu in new Camellia oleifera forests, which is about 5kg higher than that of existing low-yielding forests. More than 35kg, this goal puts forward higher requirements for the selection of Camellia oleifera varieties and the quality of s...

Claims

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Application Information

Patent Timeline
28 Jan 2015
Publication
CN104303801A
IPC
A01G1/00
CPC
A01C21/005; A01G17/005
Inventors
袁昌选; 杨芹