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A method for cultivating rose varieties by double crossing with three varieties

A technology of three varieties and roses, applied in the field of plant cultivation, can solve the problems of not yet forming a complete industrial chain, single fragrance type, and limited suitable growing areas

Active Publication Date: 2017-05-03
北京水木中天植物科学研究院
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Problems solved by technology

[0002] At present, most of the roses planted in my country use traditional roses, which bloom in one season, have relatively poor resistance, single fragrance, low yield, and limited suitable growing areas.
Due to factors such as flower production, essential oil yield, fragrance type and planting scale, the processing industry has not yet formed a complete industrial chain, let alone go abroad to occupy the international market share

Method used

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  • A method for cultivating rose varieties by double crossing with three varieties
  • A method for cultivating rose varieties by double crossing with three varieties
  • A method for cultivating rose varieties by double crossing with three varieties

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[0029] a. Set up an experimental field in Zibo, Shandong, and select healthy parents without disease and pests. The first group is carried out on the female parent A line Shandong double-petal red rose (rosa gugosa cv.plena). The male parent B line Rose (Rosa bella Rehd) . et Wils) artificial pollination. The second group artificially pollinated the male parent C line Rosa davurica Pall on the female parent A line Shandong red rose (rosa gugosa cv.plena). After crossing, the two groups were manually managed daily and the seeds were collected. The second year will hybridize the seed ABF 1 、ACF 1 Sow seeds separately, compare and identify, select the better plants among them, and then carry out ABF 1 、ACF 1 Hybrid artificial pollination. Carry out artificial daily management after pollination, and collect good seeds F 2 , F 2 Purify yourself to get F 3, and then adopt the derivation system method to carry out the selection of excellent plants, and obtain rose plants with...

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Abstract

The invention provides a method for cultivating a rose cultivar by double hybridization of three cultivars. Double hybridization is performed by three different rosa plants. A series Shandong Rosa gugosa cv. plena serving as a female parent is artificially hybridized with B series Rosa bella Rehd.et wils to obtain an offspring ABF1, the A series Shandong Rosa gugosa cv. plena serving as the female parent is artificially hybridized with C series Rosa davurica Pall to obtain an offspring ACF1. The ABF1 is hybridized with the ACF1, variant plants with flower color, petal count, flowering phase length and drought, cold, salinity and alkalinity resistance obviously improved as compared with parents are screened out, and the offspring of the variant plants is inbred and purified to obtain the stable new-generation hybrid rose cultivar capable of continuously blooming and having comprehensive characters and objective characters.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a method for cultivating rose varieties by double crossing with three varieties. Background technique [0002] At present, most of the roses in my country are planted with traditional roses. Traditional roses bloom in one season, have relatively poor resistance, single fragrance type, low yield, and limited suitable growing areas. Due to factors such as flower production, essential oil yield, fragrance type and planting scale, the processing industry has not yet formed a complete industrial chain, let alone go abroad to occupy international market share. Therefore, developing new product rose is a technical problem to be solved urgently by those skilled in the art. Contents of the invention [0003] The object of the present invention is to provide a method for cultivating rose varieties by double crossing with three varieties. The new roses bred by the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
Inventor 毕琰玉
Owner 北京水木中天植物科学研究院
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