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Tilia miqueliana rapid breeding method

A fast, explanted technology, applied in horticultural methods, botany equipment and methods, horticulture, etc., can solve the problems of low survival rate of cuttings, small amount of seedling mother trees, uneven emergence of seedlings, etc., so as to improve the survival rate , Improve the effect of growth

Inactive Publication Date: 2012-09-19
JURONG MEIHUA LANDSCAPE DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, Tilia Nanjing mainly adopts seed propagation and cutting propagation, but the difficulty of seed propagation, the small number of seedlings, and the difficulty of management caused by the uneven emergence of seedlings; when cutting propagation is used, the survival rate of cuttings is low, Generally around 30%

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: a kind of Nanjing linden rapid breeding method, at first select semi-lignified twigs as explants, then explants are sterilized, and then the explants after the sterilized treatment are soaked in phytohormone for 2 hours and then carried out For cutting, when cutting, the relative air humidity in the seedling room should be 80-95%, the temperature should be controlled at 20-28°C, and the light should be 9 hours / day, and the light intensity should be 1800-2000 lux. The phytohormone is prepared by adding water to the following components: 40 mg of ABT1, 1 mg of gibberellin, 20 g of disodium edetate, 0.2 mg of potassium iodide, 50 mg of ammonium nitrate, and 1 mg of boric acid. When preparing the above-mentioned phytohormones: first, add ABT1, gibberellin, disodium edetate, potassium iodide, ammonium nitrate, and boric acid to 1 liter with water, and then adjust the pH value to 5.5.

[0015] The method for disinfecting the explants in the above method is as fo...

Embodiment 2

[0017] Embodiment 2: a kind of Nanjing Tilia rapid breeding method, at first select semi-lignified twigs as explants, then explants are sterilized, and then the explants after the sterilized treatment are soaked in phytohormone for 12 hours and then carried out For cutting, the relative humidity of the air in the seedling cultivation room should be 80-95%, the temperature should be controlled at 20-28°C, and the light should be 10 hours / day, and the light intensity should be 1800-2000 lux. The phytohormone is prepared by adding water to the following components: 60 mg of ABT1, 2 mg of gibberellin, 30 g of disodium edetate, 0.5 mg of potassium iodide, 60 mg of ammonium nitrate, and 3 mg of boric acid. When preparing the above-mentioned phytohormones: first, add water to 1 liter of ABT1, gibberellin, disodium edetate, potassium iodide, ammonium nitrate, and boric acid, and then adjust the pH value to 6.5.

[0018] The method for disinfecting the explants in the above method is a...

Embodiment 3

[0020] Embodiment 3: a kind of Nanjing Tilia rapid breeding method, at first select semi-lignified twigs as explants, then explants are disinfected, and then the explants after the disinfection process are soaked in phytohormone for 8 hours and then carried out For cutting, the relative humidity of the air in the seedling cultivation room should be 80-95%, the temperature should be controlled at 20-28°C, and the light should be 9 hours / day, and the light intensity should be 1800-2000 lux. The phytohormone is prepared by adding water to the following components: 50 mg of ABT1, 1 mg of gibberellin, 25 g of disodium edetate, 0.3 mg of potassium iodide, 55 mg of ammonium nitrate, and 2 mg of boric acid. When preparing the above-mentioned phytohormones: first, add water to 1 liter of ABT1, gibberellin, disodium edetate, potassium iodide, ammonium nitrate, and boric acid, and then adjust the pH value to 6.

[0021] The method for disinfecting the explants in the above method is: fir...

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PUM

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Abstract

The invention discloses a Tilia miqueliana rapid breeding method which comprises the following steps of: 1) selecting the half-lignified twig as an explant; 2) sterilizing the explant; and 3) soaking the sterilized explant in plant hormone for 2-12 hours, and then performing cuttage, wherein in the cuttage, the relative air humidity in a seedling raising room is required to be 80-95%, the temperature is controlled at 20-28 DEG C, and illumination lasts for 9-10 hours per day at the illumination intensity of 1,800-2,000 lux. The method disclosed by the invention can improve the survival rate of the Tilia miqueliana twig by cuttage propagation to over 50%, and also can improve the growth of the cutting.

Description

technical field [0001] The invention relates to a tree propagation technique, in particular to a Nanjing linden rapid propagation method. Background technique [0002] Nanjing Tilia, also known as Tilia bran, its morphological characteristics are: deciduous tree, up to 15 meters high; young branches with star-shaped hairs; leaves triangular oval, 4-11 cm long, 3.5-9 cm wide, The apex is short and acuminate, the base is obliquely cordate or truncate, and the edge has short pointed serrations; the surface is dark green, nearly glabrous, and the back has gray stellate hairs; the petiole is 2-4 cm long, hairy when young, and almost glabrous afterward hair. The cymes are 7-9 cm long, and the rachis of the inflorescence has stellate hairs; the bracts are long spatulate, with stellate hairs on the surface vein axils, and densely star-shaped hairs on the back; the inflorescence has 10-20 flowers; the sepals are about 4 mm long, and the outer Stellate hairs, villous inside; petals...

Claims

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Application Information

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IPC IPC(8): A01G7/00
Inventor 杜圣军
Owner JURONG MEIHUA LANDSCAPE DEV CO LTD
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