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Pinus-contorta needle-leaved-bundle water culturing nutrient solution and method

A technology of hydroponic nutrient solution and dried pine needles, applied in botany equipment and methods, horticultural methods, horticulture, etc., can solve the problems of high seed price and insufficient seed quantity, achieve short production time, easy technology, and promote needle leaf growth The effect of bundle rooting

Inactive Publication Date: 2016-02-17
LIAONING FORESTRY SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to overcome the problems of genetic differentiation, high price of imported seeds and insufficient number of seeds in the application of seed propagation of small dry pine, the present invention uses small dry pine needle bundles as propagation materials, and the proposed needle bundle collection time, hormone treatment, and nutrient solution formula, It can improve the reproduction coefficient of small dry pine, shorten the rooting time, improve the quality of rooting, and can meet the needs of large-scale and industrial breeding of small dry pine seedlings

Method used

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  • Pinus-contorta needle-leaved-bundle water culturing nutrient solution and method
  • Pinus-contorta needle-leaved-bundle water culturing nutrient solution and method
  • Pinus-contorta needle-leaved-bundle water culturing nutrient solution and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Collect the robust coniferous bundles of the 5-year-old mother tree of small dry pine from October to mid-February, immerse the coniferous bundles in a potassium permanganate solution with a mass concentration of 0.5%, and disinfect them for 10 minutes. The river sand is mixed with the particle size of 0.35-0.5mm, and the volume ratio of sand to conifer bundles is 5:1. The mixed sand is stored at a temperature of 1°C for 25 days. After the needles were stored, they were sterilized with 0.5% potassium permanganate for 10 minutes, and then the base was cut (cut vertically with a sharp blade at 0.5 mm below the insertion point of the needles). Then use the growth regulator IAA80mg·L -1 +IBA80mg·L -1 Soak 1.0cm at the base of the needle-leaf bundle for 24h, rinse with sterile water 3 times, immerse the base of the needle-leaf bundle at a depth of 1.2cm containing 30mg·L - 1Boric acid +40mg·L -1 Ammonium nitrate+30mg·L -1 VB 1 +20mg·L -1 In the aqueous solution of pot...

Embodiment 2

[0025] In mid-January, collect the healthy coniferous bundles of the 3-year-old mother tree of small dry pine, immerse the coniferous bundles in 0.5% potassium permanganate solution for disinfection for 10 minutes, and mix with river sand with a water content of 60% of the saturated water holding capacity. Store mixed sand at ℃ for 20, 25, 30, 35, 40 days. Coniferous bundles were re-sterilized after storage, and cut into base (cut vertically with a sharp blade at 0.5mm below the point of birth of the coniferous bundles). Then use the growth regulator IAA80mg·L -1 +IBA80mg·L -1 Soak the base of the needle-leaf bundles for 24 hours, wash them with sterile water for 3 times, and soak the needle-leaf bundles in a nutrient solution of 40 mg·L -1 Boric acid +30mg·L -1 Ammonium nitrate+30mg·L -1 VB 1 +20mg·L -1 Place in potassium dihydrogen phosphate at a temperature of 24°C, a humidity of 80%, an illumination of 2100Lx, and a light of 14h / d, and change the nutrient solution ev...

Embodiment 3

[0030] In November, the robust coniferous bundles of the 3-year-old mother tree of Xiaogan pine were collected, and the needled bundles were immersed in a potassium permanganate solution with a mass concentration of 0.5% for 10 minutes to be disinfected, and then mixed with river sand with a water content of 60% of the saturated water holding capacity. Store mixed with sand at 1°C for 25 days. Coniferous bundles were re-sterilized after storage, and cut into base (cut vertically with a sharp blade at 0.5mm below the point of birth of the coniferous bundles). Then use the growth regulator IAA60mg·L -1 +IBA60mg·L -1 , IAA80mg·L -1 +IBA80mg·L -1 , IAA85mg·L -1 +IBA85mg·L -1 , IAA100mg·L -1 +IBA100mg·L -1 Soak the base of the needle-leaf bundles for 24 hours, rinse them with sterile water for 3 times, and soak the needle-leaf bundles in a nutrient solution of 30mg·L -1 Boric acid +30mg·L -1 Ammonium nitrate+40mg·L -1 VB 1 +30mg·L -1 Place in potassium dihydrogen phosph...

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Abstract

The invention relates to a needle-leaved tree water culturing technology, in particular to a pinus-contorta needle-leaved-bundle water culturing technology. The collecting time of needle-leaved bundles is the mid-December, storage time is 30 days, hormones include IAA of 80 mg / L to 85 mg / L and IBA of 80 mg / L to 85 mg / L, and soaking time is 24 hours; a nutrient solution in the optimal formula is prepared from 40 mg / L of boric acid, 30 mg / L of ammonium nitrate, 30 mg / L of VB1 and 20 mg / L of monopotassium phosphate, water culturing temperature is 22 DEG C, water culturing humidity is 80%, water culturing illuminance is 2,100 Lx, and illumination is 14 h / d. By means of needle-leaved bundle treatment, the formula of the nutrient solution and the water culturing environment conditions, the rooting time of the pinus-contorta needle-leaved bundles is shortened, the rooting number is increased, the length of root systems is increased, and the obvious effect of promoting rooting of the needle-leaved bundles is achieved. Asexual propagation ways of pinus contorta are increased, and a feasible scheme is provided for industrial seedling growing of the pinus contorta.

Description

technical field [0001] The invention relates to hydroponics of coniferous bundles of pinaceae species, in particular to a small dry pine hydroponics nutrient solution formula and application thereof. Background technique [0002] Small dry pine (Pinus contorta Var.), also known as twisted leaf pine and coastal pine, is the most widely distributed evergreen coniferous tree in western North America. Small dry pine is a tree species that is very resistant to drought. In the original distribution area, the average annual rainfall is 450-750mm , snowfall 2275-3000mm, snow covered the ground until late spring; temperature range 30 ℃ to -21 ℃, small dry pine usually grows well on poor debris soil. Small dry pine has a wide range of uses, and is generally used for timber, wildlife protection, water conservation and environmental protection; its material is light and soft, easy to plan and absorb preservatives, and is suitable for indoor building materials, box boards and pulp. As s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00
Inventor 冯健于世河陆爱君王骞春张素清
Owner LIAONING FORESTRY SCI RES INST
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