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Method for shortening juvenile period of directive breeding hybrid seedlings of Pyrus bretschneideri Rehd.

A technology of Korla fragrant pears and hybrids, which is applied in the fields of application, cultivation, agriculture, etc. It can solve the problems of dampening the enthusiasm and enthusiasm of scientific research personnel, the difficulty of directional hybrid breeding, and hindering the development of scientific research on directional breeding of Korla fragrant pears. Xinjiang fragrant pear industry health problems and other issues, to achieve the effects of saving field management costs and resource input, improving the efficiency of directional breeding of Korla fragrant pears, and improving the efficiency of breeding

Inactive Publication Date: 2016-06-15
HORTICULTURE INST OF XINJIANG ACAD OF AGRI SCI
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Problems solved by technology

These long breeding times have brought great difficulties to the directional hybrid breeding of Xinjiang Korla fragrant pears, which has hit the enthusiasm and enthusiasm of researchers in the directional breeding of Korla fragrant pears, and seriously hindered the development of scientific research on directional breeding of Korla fragrant pears and Xinjiang. Development of Health Problems in Fragrant Pear Industry

Method used

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  • Method for shortening juvenile period of directive breeding hybrid seedlings of Pyrus bretschneideri Rehd.
  • Method for shortening juvenile period of directive breeding hybrid seedlings of Pyrus bretschneideri Rehd.
  • Method for shortening juvenile period of directive breeding hybrid seedlings of Pyrus bretschneideri Rehd.

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Effect test

Embodiment 1

[0035] Embodiment one: shorten the method for the infancy of Korla fragrant pear directional breeding hybrid seedling

[0036] The method for shortening the infancy of Korla fragrant pear directional breeding hybrid seedlings is carried out seedling raising and cultivation by following method, and concrete method step is as follows:

[0037] (1) Korla fragrant pear hybrids sowed in the greenhouse in the same year and raised seedlings

[0038] (1) Picking of Korla fragrant pear hybrid fruit: pick Korla fragrant pear hybrid fruit with suitable maturity between 6 am and 8 am, and handle it with care to avoid mechanical injury.

[0039] (2) Stripping and cleaning of Korla fragrant pear hybrids: refrigerate the Korla fragrant pear hybrids harvested in step (1) for 3 days in a cold storage, where the temperature of the cold storage is 4°C; after the cold storage, take out the Korla fragrant pear hybrids The fruit is removed, the pulp is removed, the hybrid seeds are taken out, the ...

Embodiment 2

[0060] Embodiment two: shorten the method for raising seedlings in childhood of Korla fragrant pear directional breeding hybrid seedlings

[0061] Pick the mature Korla fragrant pear hybrid fruits between 6:00 and 8:00 in the morning, and refrigerate them in the cold storage for 3 days. After the refrigerating, take out the hybrid seeds, rinse the hybrid seeds with clean water for 5-8 minutes, and wash off the sticky substances and residues on the surface of the hybrid seeds The pulp was obtained from the Korla fragrant pear hybrid, soaked in clean water for 24 hours, and gently removed the seed coat of the Korla fragrant pear hybrid with tweezers, and the Korla fragrant pear hybrid that removed the seed coat was mixed with 0.35mg / L red Soak in the mycin solution for 12 hours, according to the weight of the Korla fragrant pear hybrid: the weight of the wet sand is 1:5, mix the Korla fragrant pear hybrid and the wet sand evenly, and put it into the gauze. The gauze was embedded...

Embodiment 3

[0062] Embodiment three: shorten the method for the childhood management of Korla fragrant pear directional breeding hybrid seedling

[0063] Fertilizer and water management for Korla fragrant pear hybrid seedlings: irrigate once every 20 days, and the amount of water each time is 30m 3 / 666.7cm 2 . The irrigation method is easy to use side irrigation, that is, irrigate on one side of the ridge to avoid direct contact of the tree trunk with open water. In order to ensure the rapid growth of hybrid seedlings, 5.0kg / 666.7cm of urea should be topdressed one month after hybrid seedlings are transplanted, combined with irrigation. 2 , once every 20 days; 6 months after transplanting the hybrid seedlings, irrigate once every 10 days, and the amount of irrigation water changes: 60m 3 / 666.7cm 2 , combined with irrigation and fertilization amount becomes: urea 15.0kg / 666.7cm 2. Hybrid seedlings are prone to damping-off disease in the early stage, which can be controlled by alter...

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Abstract

The invention discloses a method for shortening the juvenile period of directive breeding hybrid seedlings of Pyrus bretschneideri Rehd. The method adopts sowing and greenhouse seedling raising in the same year, and comprises the following steps: removing seed coat, carrying out gibberellin treatment, spraying GA3 in the growing period of the hybrid seedlings, conducting inversed ring-bark grafting on the hybrid seedlings sprayed with GA3, carrying out hybrid seedling terminal bud grafting, dwarfing stock, spraying chlormequat chloride (CCC), and various other technical measures, so as to shorten the juvenile period of the directive breeding hybrid seedlings of Pyrus bretschneideri Rehd. According to the method, the Pyrus bretschneideri Rehd. hybrid seedlings can bloom and fruit in the third year after being planted, and the fruiting plant rate can be 30 percent, while the conventional Pyrus bretschneideri Rehd. hybrid seedlings bloom and fruit 7 to 8 years after being planted. Being treated with the six measures, the Pyrus bretschneideri Rehd. directive breeding hybrid seedlings can fruit in the third year after being planted, that is, the juvenile period is shortened by 4 to 5 years. Therefore, the Pyrus bretschneideri Rehd. directive breeding efficiency is greatly improved; the Pyrus bretschneideri Rehd. directive breeding period is shortened; a new way and a new method are provided for breeding of new Pyrus bretschneideri Rehd. directive breeding varieties; the application value is high.

Description

field of invention [0001] The present invention relates to the technical field of plant breeding. Specifically, the invention relates to the technical field of Korla fragrant pear directional breeding hybridization. Background technique [0002] Korla fragrant pear (PyrusbretschneideriRehd) belongs to Rosaceae (Rosaceae), Pear subfamily (Pomoideae), Pyrus (Pyrus) in the white pear system, the Uighur name is Ximiti or Neixi Puti, and the Mongolian name is Kaidengmu. , native to the Korla region of Xinjiang, has been cultivated in Xinjiang for more than 1,400 years. Its fruit is rich in aroma, thin in skin and crisp in meat, sweet and refreshing, tender and juicy, and strong in storage. It is one of the four famous pears in my country. As of 2014 , the total cultivation area of ​​Xinjiang Korla fragrant pears reached 988,700 mu, with a total output of 1,044,800 tons. The Korla fragrant pear industry has become the leading industry in the Korla area; in China, the Korla fragran...

Claims

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Application Information

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IPC IPC(8): A01G9/10
CPCA01G9/0299
Inventor 张校立许娟艾沙江·买买提王继勋卢春生郝庆董胜利韩立群杨磊樊丁宇章世奎阿布来克·尼牙孜
Owner HORTICULTURE INST OF XINJIANG ACAD OF AGRI SCI
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