Plant growth regulator for raising seedlings of eucalyptus dunnii maiden by cutting and method for raising seedlings of eucalyptus dunnii maiden by cutting

A plant growth regulator and a technology for raising seedlings by cuttings, which are applied in the field of plant reproduction and can solve problems such as restrictions on large-scale promotion, low survival rate, and small yield of seeding and reproduction.

Inactive Publication Date: 2014-10-08
湖南省森林植物园
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The limitation of sowing propagation is that the seed yield of Eucalyptus dunen is very little, and the excellent provenances are all imported, and the emergence rate is low. Promotion creates restrictions
[0004] Cutting seedlings can solve the shortcomings of small output and uneven quality of sowing and reproduction to a certain extent.
For Eucalyptus duncens cutting seedlings, rooting difficulty and low survival rate are the technical bottlenecks in this field. Traditional cutting seedlings are mostly col...

Method used

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  • Plant growth regulator for raising seedlings of eucalyptus dunnii maiden by cutting and method for raising seedlings of eucalyptus dunnii maiden by cutting
  • Plant growth regulator for raising seedlings of eucalyptus dunnii maiden by cutting and method for raising seedlings of eucalyptus dunnii maiden by cutting
  • Plant growth regulator for raising seedlings of eucalyptus dunnii maiden by cutting and method for raising seedlings of eucalyptus dunnii maiden by cutting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Embodiment 1 Utilizes plant growth regulator to carry out Dunn Eucalyptus cutting seedling cultivation

[0075] The first plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 1.6 g / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 5:3, and the solvent is 1 mol / L NaOH solution.

[0076] The second plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 0.83 mg / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 5:3, and the solvent is 1 mmol / L NaOH solution.

[0077] Nutritive soil is a homogeneous mixture of yellow heart soil and chaff ash, in volume percentage, wherein the content of chaff ash is 20%; the fertility parameters of yellow heart soil are: ammonium N: 15mg / L, available P: 25mg / L, effective K: 100mg / L; chaff ash fertility parameters: ammonium N: 15mg / L, available P: 10mg / L, effective K: 500mg / L. Pour th...

Embodiment 2

[0080] Embodiment 2 Utilizes plant growth regulator to carry out Dunn Eucalyptus cutting seedling cultivation

[0081] The first plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 1 g / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 3:2, and the solvent is 1 mol / L NaOH solution.

[0082] The second plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 2 mg / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 3:2, and the solvent is 1 mmol / L NaOH solution.

[0083] Nutrient soil is a homogeneous mixture of yellow heart soil and chaff ash, in volume percentage, wherein the content of chaff ash is 40%; the fertility parameters of yellow heart soil are: ammonium N: 35mg / L, available P: 10mg / L, effective K: 250mg / L; chaff ash fertility parameters: ammonium N: 40mg / L, available P: 25mg / L, effective K: 700mg / L. Pour the nutr...

Embodiment 3

[0086] Embodiment 3 Utilizes plant growth regulator to carry out Dunn Eucalyptus cutting seedling cultivation

[0087] The first plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 1.2 g / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 3:2, and the solvent is 1 mol / L NaOH solution.

[0088] The second plant growth regulator consists of indole butyric acid and naphthalene acetic acid at a concentration of 1.5 mg / L, wherein the mass ratio of indole butyric acid to naphthalene acetic acid is 3:2, and the solvent is 1 mmol / L NaOH solution.

[0089] Nutritive soil is a homogeneous mixture of yellow heart soil and chaff ash, in volume percentage, wherein the content of chaff ash is 30%; the fertility parameters of yellow heart soil are: ammonium N: 30mg / L, available P: 15mg / L, effective K: 200mg / L; chaff ash fertility parameters: ammonium N: 30mg / L, available P: 20mg / L, effective K: 600mg / L. Pour the...

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Abstract

The invention belongs to the field of plant propagation and discloses a plant growth regulator for raising seedlings of eucalyptus dunnii maiden by cutting and a method for raising the seedlings of eucalyptus dunnii maiden by cutting. The plant growth regulator for raising the seedlings of eucalyptus dunnii maiden by cutting provided by the invention comprises a first plant growth regulator and a second plant growth regulator, wherein the first plant growth regulator comprises 3-indolebutyric acid and 1-Naphthalene acetic acid, with the concentration of 1g/L-1.6g/L; the second plant growth regulator comprises 3-indolebutyric acid and 1-Naphthalene acetic acid, with the concentration of 0.83mg/L-2mg/L. After the first plant growth regulator provided by the invention is dipped with eucalyptus dunnii maiden cutting slips, the second plant growth regulator is used for pouring to preserve moisture; the plant growth regulator is used for continuously stimulating eucalyptus dunnii maiden to root so that the rooting rate of eucalyptus dunnii maiden cutting seedlings is obviously improved; root systems of the eucalyptus dunnii maiden cutting seedlings are developed and the quality is good; the plant growth regulator is suitable for industrialized production of the eucalyptus dunnii maiden cutting seedlings and is beneficial to propagation of eucalyptus dunnii maiden.

Description

technical field [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a plant growth regulator for Eucalyptus durn cutting seedling raising and a method for Eucalyptus durn cutting seedling raising. Background technique [0002] Eucalyptus dunnii Maiden, evergreen broad-leaved tree species, tall tree, five-year-old Eucalyptus dunnii has a diameter at breast height of 28cm, a tree height of 17m, straight trunk, luxuriant branches and leaves, and belongs to the double capsule of Eucalyptus in classification Subgenus (subgenuss mphyomyrtu) Blue Eucalyptus Group (section Maidenaria) multi-branched Eucalyptus (series Viminales), its native place is Australia, and natural forests are distributed in small areas in northeastern New South Wales and southeastern Queensland, Australia. At present, the natural forest area in New South Wales is about 800 hectares, with less than 82,000 trees, and the area and number in Queensland are even ...

Claims

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Application Information

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IPC IPC(8): A01N43/38A01P21/00C05G3/00A01G1/00A01G7/06A01N37/10
Inventor 陈灵饶红欣彭静彭信海龚范武
Owner 湖南省森林植物园
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