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Method for cultivating easily-branched poinsettia

A branching and first-grade technology is applied in the field of cultivating easy-branching poinsettia, which can solve the problems of difficult branching, non-branching, and unsightly promotion, and achieve the effects of preventing infection and disease, promoting regeneration and healing, and ensuring successful grafting.

Inactive Publication Date: 2017-07-07
东莞市粮作花卉研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional breeding method is to use the method of hybridization to select seeds, and use the method of hybridization to select excellent single seedlings. The shape of the plant is long and slender, the stem of the plant is thick and unbranched, and even after topping, only the top 2-3 axillary buds can germinate side branches, which are not easy to branch and are not suitable for potted flowers. It is not beautiful to promote as a commercial variety, so it is necessary to study a poinsettia that can cultivate branches easily in a short time

Method used

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  • Method for cultivating easily-branched poinsettia

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Effect test

Embodiment 1

[0022] A method for cultivating easy-to-branch poinsettia, comprising the following steps:

[0023] Step (A) Cultivate hard-to-branch seedlings to a height of 12 cm, topping, and reserve 8 leaves as rootstocks;

[0024] Step (B) extracting 8 cm fringe branches from the scion seedlings of easy-to-branch varieties, and reserving 2 blades to obtain the fringe branches;

[0025] Step (C) immerse the scion branches successively in a sodium nitrite solution with a mass concentration of 10% and a sodium dihydrogen phosphate solution with a mass concentration of 10%, rinse twice, and finally wash with water for 6 minutes;

[0026] Step (D) Cutting the bottom of the cleaned scion into a wedge shape, dipping in auxin and inserting it into the rootstock until the xylem;

[0027] Step (E) Cover the scion branch and rootstock with adhesive tape, pour fungicide and water on it and cultivate it for 15 days, top it, and propagate it by cuttings to obtain easy-branching poinsettia.

[0028] ...

Embodiment 2

[0034] A method for cultivating easy-to-branch poinsettia, comprising the following steps:

[0035] Step (A) Cultivate hard-to-branch seedlings to a height of 16 cm, top them, and reserve 13 leaves to obtain rootstocks;

[0036] Step (B) extracting a 12cm fringe branch from the scion seedling of an easy-to-branch variety, and reserving 4 blades to obtain the scion branch;

[0037]Step (C) immerse the scion branch successively in a sodium nitrite solution with a mass concentration of 12% and a sodium dihydrogen phosphate solution with a mass concentration of 12%, rinse twice, and finally wash with water for 5 minutes;

[0038] Step (D) Cutting the bottom of the cleaned scion into a wedge shape, dipping in auxin and inserting it into the rootstock until the xylem;

[0039] Step (E) Cover the scion branch and the rootstock with adhesive tape, pour fungicide and water on it and cultivate it for 20 days, top it, and propagate it by cuttings to obtain the easy-branching poinsettia....

Embodiment 3

[0046] A method for cultivating easy-to-branch poinsettia, comprising the following steps:

[0047] Step (A) Cultivate hard-to-branch seedlings to a height of 16 cm, top them, and reserve 13 leaves as rootstocks;

[0048] Step (B) extracting 15cm fringe branches from the scion seedlings of easy-branching varieties, and reserving 5 blades to obtain the fringe branches;

[0049] Step (C) immerse the scion branches successively in a sodium nitrite solution with a mass concentration of 10% and a sodium dihydrogen phosphate solution with a mass concentration of 25%, rinse 5 times, and finally wash with water for 8 minutes;

[0050] Step (D) cutting the grafted end of the cleaned scion branch into a wedge shape, dipping in the auxin and inserting it into the rootstock until the xylem;

[0051] Step (E) Cover the scion branch and rootstock with adhesive tape, pour fungicide and water on it and cultivate it for 18 days, top it, and propagate it by cuttings to obtain easy-branching po...

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Abstract

The invention relates to the technical field of plant cultivation, and specifically relates to a method for cultivating easily-branched poinsettia. The method comprises the following steps of (A) cultivating difficultly-branched seedlings to 12-18 cm, performing tip pruning, and reserving 8-15 pieces of leaves as a stock; (B) picking ear branches of 8-15 cm from easily-branched variety scion seedlings, and reserving 2-5 pieces of leaves to obtain scion branches; (C) successively flushing the scion branches for 2-5 times by using a sodium nitrite solution and a sodium dihydrogen phosphate solution, and finally washing the scion branches for 5-10 minutes by clear water; (D) cutting the cleaned scion branch grafting bottom ends to be wedge-shaped, soaking auxin, and inserting the stock until reaching the xylem; and (E) wrapping the scion branches and the stock with an adhesive tape, pouring bactericide and water to perform cultivation, and performing tip pruning and cutting propagation to obtain the easily-branched poinsettia. The easily-branched poinsettia can be cultivated by the method in a short time and has good ornamental value, and the method is simple and high in success rate.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a method for cultivating easy-branching poinsettias. Background technique [0002] Poinsettia (scientific name: Euphorbia pulcherrima Willd.et Kl.), aliases: Christmas flower, orangutan wood, Laolaijiao, etc. Shrubs, roots terete, very branched. Stems erect, glabrous. Leaves alternate, ovate-elliptic, long-elliptic or lanceolate, 6-25 cm long, 4-10 cm wide, pubescent or glabrous on the leaf surface, pilose on the back of the leaf. Poinsettia is a short-day plant that likes warmth, humidity, and sunlight. Native to Central America, widely cultivated in the tropics and subtropics, and distributed in most provinces and cities in China. Poinsettia has bright colors and a long flowering period, which coincides with Christmas, New Year's Day and Spring Festival. The branching characteristics of poinsettia plants can be divided into two categories: "easy to branch" and ...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G9/10A01G13/00A01N43/38A01N43/90A01N41/08A01N37/44A01N47/44A01N25/00A01P21/00A01P1/00
CPCA01G13/00A01N25/00A01N37/44A01N41/08A01N43/38A01N43/90A01N47/44A01G2/30A01G9/0299
Inventor 黄子锋王凤兰王燕君赵良福
Owner 东莞市粮作花卉研究所
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