Crossbreeding method of high-yield disease-resistant celery

A hybrid breeding, high-yield and disease-resistant technology, applied in horticultural methods, botanical equipment and methods, chemicals for biological control, etc., can solve the problems of low hybridization rate of celery, poor uniformity of offspring, etc., to improve seedling resistance Disease resistance, prevent bacterial infection, and shorten the seedling period

Active Publication Date: 2021-02-05
海南瑞民农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem that celery hybridization rate is not high, offspring is poor, has developed a kind of hybrid breeding method of high-yield and disease-resistant celery, specifically realizes according to the following steps:

Method used

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  • Crossbreeding method of high-yield disease-resistant celery
  • Crossbreeding method of high-yield disease-resistant celery

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for hybrid breeding of high-yield disease-resistant celery, comprising the following steps:

[0026] 1. Select the Baimiao celery cytoplasmic male sterile line as the female parent, and the American celery maintainer line as the male parent;

[0027] 2. Establish an isolation area, plant the male parent and the female parent in the isolation area, the row ratio of the male parent and the female parent is 1:2, the row spacing between the female parent is 30cm, the row spacing between the male parent and the female parent is 50cm, and the planting density of the male parent is 9000 plant / mu, and the planting density of the female parent is 13,500 plants / mu, and the 1000m from the isolated area to the isolated area is a blank area, spraying medicament 2 times a day at the seedling stage, and 5L / mu each time; wherein, the composition of the medicament is : 6-BA 60mg / L, Ethephon 75mg / L, KH 2 PO 4 380mg / L, Na 2 HPO 4 460mg / L, syringaresin acetylglucoside 3g / L, ...

Embodiment 2

[0033] The difference between embodiment 2 and embodiment 1 is:

[0034] Step 2 is to establish isolation area, plant male parent and female parent in isolation area, male parent and female parent line ratio is 25cm between row spacing between male parent and female parent, 40cm between male parent and female parent, male parent and female parent's The planting density is 11,000 plants / mu, and 1000m from the isolated area to the isolated area is a blank area. The pesticide is sprayed once a day at the seedling stage, and each dose is 4L / mu; the ingredients of the pesticide are: 6-BA55mg / L, ethylene Lee 70mg / L, KH 2 PO 4 400mg / L, Na 2 HPO 4 550mg / L, syringaresin acetylglucoside 2g / L, the balance water.

Embodiment 3

[0036] The difference between embodiment 3 and embodiment 1 is:

[0037] Step 2 is to establish isolation area, plant male parent and female parent in isolation area, male parent and female parent row ratio are 1:2 row spacing 30cm between female parent, male parent and female parent row spacing 60cm, the planting density of male parent is 8000 plants / mu, and the planting density of the female parent is 14000 plants / mu, and the 800m from the isolated area to the isolated area is a blank area, spraying medicament 2 times a day at the seedling stage, 5L / mu each time; wherein, the composition of the medicament For: 6-BA 50mg / L, Ethephon 77mg / L, KH 2 PO 4 380mg / L, Na 2 HPO 4 480mg / L, syringaresin acetylglucoside 5g / L, the balance water.

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Abstract

The invention discloses a crossbreeding method of high-yield disease-resistant celery. The method comprises the following steps of hybridizing a male sterile line with a maintainer line to obtain a male sterile line combined with excellent properties of a male parent and a female parent, and hybridizing the male sterile line with a restorer line to obtain a celery hybrid. By spraying drugs in theplanting process, bacterial infection is prevented, the disease resistance of seedlings is improved, the seedling stage is shortened, celery blooming is induced, celery plants which are not in the blooming stage are pulled out before cross pollination, the blooming stage is adjusted, the hybridization rate is increased, and celery hybrids which are high in yield, resistant to diseases, good in quality and high in offspring regularity are obtained.

Description

technical field [0001] The invention relates to the technical field of vegetable breeding, in particular to a method for cross breeding of high-yield and disease-resistant celery. Background technique [0002] Celery, belonging to Umbelliferae, has many varieties. It has a long history of planting and a large area of ​​planting in China. It is one of the vegetables that Chinese people often eat. It is rich in protein, carbohydrates, carotene, B vitamins, Calcium, phosphorus, iron, sodium, etc. At the same time, it has the functions of calming the liver and clearing heat, dispelling wind and dampness, eliminating annoyance and swelling, cooling blood to stop bleeding, detoxifying the lungs, invigorating the stomach and promoting blood, clearing the intestines and facilitating bowel movements, moistening the lungs and relieving cough, lowering blood pressure, Brain calming effect. [0003] With the continuous expansion of celery planting area, higher requirements are put forw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04A01G7/06A01N57/20A01N43/16A01N59/26A01N43/90A01P3/00A01P1/00A01P21/00
CPCA01G7/06A01H1/02A01H1/04A01N43/16A01N43/90A01N57/20A01N59/26
Inventor 陈传来陈传胤符宁
Owner 海南瑞民农业科技有限公司
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