A hard branch cutting seedling culture method for metasequoia

A technology of hard branch cutting and Metasequoia, which is applied to the field of Metasequoia hard branch cutting and seedling raising, can solve the problems of long rooting cycle and low rooting rate of cuttings, and achieve the effects of improving rooting rate and rooting speed, shortening seedling raising period and improving survival rate.

Inactive Publication Date: 2017-07-28
焦杰彪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, metasequoia seedlings are often raised by cutting, but the traditional cutting method has a low rooting rate and a long rooting cycle.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for growing seedlings by hardwood cuttings of metasequoia, comprising the following steps:

[0017] (1) In mid-December each year, select the peripheral side branches of the two-year-old Metasequoia as cuttings, and the length of the cuttings is 7cm;

[0018] (2) Bundle 100 cuttings into a bundle, put them indoors, store them in wet sand, and spray the storage solution on the wet sand every seven days, wherein the storage solution is made of the following components by weight: 19 parts of betel nut skin, horse 15 parts of former seeds, 12 parts of Hemerocallis root, 10 parts of pituitary bark, 200 parts of water;

[0019] (3) In the middle of February of the second year, take out the stored cuttings, unbundle the cuttings, and evenly spray the nutrient solution on the cuttings, wherein the nutrient solution is made of the following components by weight: Polygonatum 12 parts, 10 parts curculigo, 6 parts Yizhiren, 9 parts apocynum, 8 parts linden, 7 parts campho...

Embodiment 2

[0024] A method for growing seedlings by hardwood cuttings of metasequoia, comprising the following steps:

[0025] (1) In mid-December each year, the peripheral side branches of the annual metasequoia with two years of age are selected as cuttings, and the length of the cuttings is 8cm;

[0026] (2) Bundle 100 cuttings into a bundle, put them indoors, store them in wet sand, and spray the storage solution on the wet sand every seven days, wherein the storage solution is made of the following components by weight: 21 parts of betel nut skin, horse 16 parts of former seed, 13 parts of Hemerocallis root, 12 parts of pituitary bark, 210 parts of water;

[0027] (3) In the middle of February of the second year, take out the stored cuttings, unbundle the cuttings, and evenly spray the nutrient solution on the cuttings, wherein the nutrient solution is made of the following components by weight: Polygonatum 13 parts, 14 parts curculigo, 7 parts Yizhiren, 11 parts apocynum, 10 parts...

Embodiment 3

[0032] A method for growing seedlings by hardwood cuttings of metasequoia, comprising the following steps:

[0033] (1) In mid-December every year, select the peripheral side branches of the two-year-old Metasequoia as cuttings, and the length of the cuttings is 9cm;

[0034] (2) Bundle 100 cuttings into a bundle, put them indoors, store them in wet sand, and spray the storage solution on the wet sand every seven days, wherein the storage solution is made of the following components by weight: 23 parts of betel nut skin, horse 17 parts of former seed, 15 parts of Hemerocallis root, 13 parts of Pittodia bark, 230 parts of water;

[0035] (3) In the middle of February of the second year, take out the stored cuttings, unbundle the cuttings, and evenly spray the nutrient solution on the cuttings, wherein the nutrient solution is made of the following components by weight: Polygonatum 15 parts, 16 parts curculigo, 8 parts Yizhiren, 13 parts apocynum, 12 parts linden, 10 parts camp...

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PUM

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Abstract

The invention provides a hard branch cutting seedling culture method for metasequoia. The method comprises the steps of (1) selecting annual peripheral side branches of metasequoia with a tree age of two years as cutting slips in the middle ten-day period of December every year, wherein the length of the cutting slips is 7-9cm; (2) binding 100 cutting slips into a bale, placing the bale into a room, performing wet sand storage and spraying a storage solution on wet sand every 7 days; (3) in the middle ten-day period of February of the second year, taking out the stored cutting slips, unbinding the cutting slips and spraying a nutrient solution on the cutting slips uniformly; (4) placing the cutting slips with sprayed nutrient solution in a room with a concentration of carbon dioxide of 2000ppm, illuminating the cutting slips with purple light for 20-30min and taking the cutting slips out for cuttage. The hard branch cutting seedling culture method for metasequoia can greatly increase the survival rate of metasequoia cutting slips, increase the rooting speed of metasequoia, and shorten a seedling culture cycle.

Description

technical field [0001] The invention belongs to the field of agricultural planting, and in particular relates to a method for raising seedlings by cutting hard branches of metasequoia. Background technique [0002] Metasequoia is a tree with a height of 35 meters and a DBH of 2.5 meters; the base of the trunk is often swollen; the bark is gray, taupe or dark gray, young trees split into thin slices and fall off, and large trees split into long strips and fall off, the inner bark is light purple brown; branches are oblique Sprawling, drooping branchlets, spire-shaped young tree crown, wide round crown of old tree, sparse branches and leaves; annual branches are smooth and glabrous, green when young, then gradually light brown, second and third year old branches light brown gray or brown gray; Lateral branchlets are arranged in a pinnate shape, 4-15 cm long, withered in winter; winter buds on main branches are oval or elliptic, with blunt apex, about 4 mm long, 3 mm in diamete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G9/10
CPCA01G17/005
Inventor 焦杰彪
Owner 焦杰彪
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