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A kind of breeding method of non-shattering dandelion strain

A technology for dandelion and shedding is applied in the field of artificial breeding of plant strains, which can solve the problems of reduced seed yield, economic loss, etc., and achieves the effects of strong resistance to stress, improved ability to prevent shedding, and reduced difficulty in seed harvesting.

Active Publication Date: 2022-05-10
NORTHWEST A & F UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its own structural characteristics, there are pompoms formed by white pistils on the seeds, which drift with the wind after blooming. If artificially planted dandelions encounter strong winds during seed harvesting, the seed yield will decrease, which will bring economic benefits. loss

Method used

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  • A kind of breeding method of non-shattering dandelion strain
  • A kind of breeding method of non-shattering dandelion strain
  • A kind of breeding method of non-shattering dandelion strain

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Embodiment Construction

[0021] 1. Seed acquisition

[0022] The mountaintop area of ​​Guanshan Ranch in Longxian County, Baoji City, Shaanxi Province, has been in the natural conditions of wind force level 5 or above for a long time. During the maturity stage of dandelion seeds, the inventor of the applicant found wild Dandelion plant, and obtained the seed of this wild dandelion, and the outward appearance characteristic of this wild dandelion is as follows:

[0023] 1) Leaves oblanceolate, 10-30 cm long, apex pointed or blunt, irregularly pinnately lobed to deeply lobed, apex lobe diamond-shaped triangular or triangular, 4-5 lobes on each side, slightly backward, lobes Triangular or long triangular, entire or margin sparsely toothed, sparsely pubescent or glabrous on both surfaces ( figure 1 ).

[0024] 2) Scapes are numerous, 10-20 cm high, beyond the leaves during flowering, slightly sparsely pubescent, densely covered with white spider-like hairs near the top.

[0025] 3) The involucre is 13-...

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Abstract

The invention discloses a method for breeding non-shattering dandelion strains. The method selects wild northeast dandelion seeds matured under the natural conditions of wind force above level 5 in Guanshan area, and performs sowing, weeding, thinning, seedling setting and fertilizer and water management in the field according to conventional methods. , when the seeds of the wild northeast dandelion plants are mature, the wild northeast dandelion plants are screened for the first time. The wild northeastern dandelion plants were screened for the second time with a hair dryer to simulate a natural wind speed of level 5, and the seeds that were still not shedding on the wild northeast dandelion plants after the second screening were harvested to obtain a non-shattering dandelion strain. The non-shattering dandelion strain can improve the non-shattering ability of the dandelion, significantly reduce the difficulty of harvesting seeds of the artificially planted dandelion, and is a new dandelion strain with strong stress resistance.

Description

technical field [0001] The invention belongs to the technical field of artificial breeding of plant strains, and in particular relates to a breeding method of non-shattering dandelion strains. Background technique [0002] Dandelion is a perennial herbaceous plant, because the plant contains various healthy nutrients such as dandelion alcohol, dandelion, choline, organic acid, inulin, etc., it is a plant with both medicine and food. The main species of dandelion in our country are: Northeast dandelion, multi-lobed dandelion, white edge dandelion, Chinese dandelion, variegated dandelion, cangye dandelion and so on. [0003] Dandelion is a short-day plant. Under high temperature and short-day conditions, it is conducive to bolting and flowering, and is more shade-tolerant, but good light conditions are conducive to the growth of stems and leaves. It has strong adaptability and does not choose soil for growth, but it grows better in sunny, fertile, and moist sandy loam soil; i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/04
CPCA01H1/04
Inventor 杨培志荆嘉贤任秀子李迪
Owner NORTHWEST A & F UNIV
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