Cultivation method for rose variety by composite hybridization

A composite hybrid and rose technology, applied in the field of plant cultivation, can solve the problems affecting the process of hybrid breeding, unstable variety characteristics, and abortion of pollination stigma, and achieves the effects of elegant and pure fragrance, lasting green leaves of roses, and long flowering period.

Active Publication Date: 2016-09-07
淄博广晟生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From screening parental combinations to obtaining hybrid seedlings, one often has to experience pollination stigma abortion, underdeveloped seeds, difficulty in emergence of hybrids, unstable variety characteristics, easy degradation, and infertility of hybrid offspring, etc.
These factors have seriously affected the progress of hybrid breeding
There have been reports at home and abroad on the research on the compatibility of distant hybridization of roses, but the root cause of the incompatibility mechanism has not been clarified so far

Method used

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  • Cultivation method for rose variety by composite hybridization
  • Cultivation method for rose variety by composite hybridization
  • Cultivation method for rose variety by composite hybridization

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0043] An experimental field was established in Zibo, Shandong Province, and healthy parents with no disease and pests were selected, and the male parent line B Tibetan rose (Rosa webbiana Wall.ex Royle) was carried out on the female parent A line Shandong red rose (rosa gugosa cv.plena) Early or delayed artificial pollination. Carry out manual daily management after hybridization, and collect good seeds. In the second year, the hybridized seeds F 1 Sow the seeds separately, compare and identify, select the better plants among them, and use it as the female parent to carry out artificial pollination with the male parent C line Rosa davurica Pall in advance or delay again. Carry out artificial daily management after pollination, and collect good seeds F 1 C, F 1 C was then purified by selfing to obtain F 2 c. Then, the derivation system method was used to screen the excellent plants, and a new rose plant with ideal flower leaf shape, plant flower yield, fragrance type and ...

Embodiment 2

[0074] No. 2 Zhongtian Rose (ToproseNo:2) of embodiment 1 is carried out stress resistance experiment, specifically as follows:

[0075] Cold resistance: In the greening of a square in a certain district of Heilongjiang Province, 4,000 Zhongtian Rose No. 2 (Toprose No: 2) were planted for a winter cold resistance experiment. Years and later there is no phenomenon of stripping. Through practice, in the first year of planting, water control and fertilizer saving measures are taken to prevent excessive growth of planting strips, so that they can fully form wood quality, and better solve the problem of safe overwintering at minus 38°C.

[0076] Salt-alkali resistance: In cooperation with Tianjin TEDA Landscaping Company, jointly undertook the "948" plan of the State Forestry Administration - the introduction of saline-alkali land treatment technology in Binhai New Area, and carried out the test of Zhongtian Rose No. 2 (Toprose No: 2) as an important salt-tolerant plant test. The...

Embodiment 3

[0084] The flowers of different rose varieties are extracted with steam distillation. The extraction process parameters are: liquid-to-solid ratio 4:1, distillation time 4h, distillation speed 200mL / h (distillate of 10% distillate volume per hour) ), the charging capacity is 75% of the distiller. The experimental results are shown in Table 3.

[0085] table 3

[0086]

[0087]

[0088] From the data in Table 3, it can be seen that the rose balm oil rate of the present invention reaches 0.053, which is higher than the Damask rose with high oil at present.

[0089] The chemical composition was determined by capillary gas chromatography-mass spectrometry.

[0090] Instrument: GC / 7AG chromatograph (Shimadzu, Japan), analytical column: quartz capillary column, 50m×0.3m, column temperature 80-180°C, 2°C / min temperature program, vaporization temperature 240°C, carrier gas is N 2 , the carrier gas flow rate is 60mL / min, and the injection port temperature is 240°C. Mass spect...

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Abstract

The invention provides a cultivation method for a rose variety by composite hybridization. Wild rose has strong cold resistance, drought resistance, and saline-alkaline and barren tolerance, and is an important germplasm for cultivation of a novel rose variety. The cultivation method provided by the invention comprises the following steps: subjecting Rosa gugosa cv.plena as a female parent to first hybridization with Rosa webbiana Wall.ex Royle, carrying out cultivation and selecting a progeny F1 which has comprehensive characters of traditional rose and target characters of the wild rose, then subjecting the progeny F1 to second hybridization with Rosa davurica Pall, selecting a variant plant which is significantly improved in flower color, petal number, flowering duration, cold resistance, drought resistance, and saline-alkaline tolerance compared with parent, then subjecting the progeny of the variant plant to self-crossing purification, and selecting a new generation of a hybrid rose variety which can continuously bloom and has stable comprehensive characters and target 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 through compound hybridization. Background technique [0002] The genus Rosa (Rosa L.) belongs to the Rosaceae Rosaceae. There are more than 200 species in the world, and 91 species are produced in China. Chinese rose, rose and Rosa are its representative plants. Roses are native to the Orient, but are now probably found all over the world, mainly in temperate regions. There are more than 100 different varieties of roses, including wild roses, and there are about 30,000 officially registered varieties of hybrids and varieties. [0003] At present, most roses are planted with traditional roses, which bloom in one season, have relatively poor resistance, low yield of essential oil, single fragrance type, low yield, and limited suitable growing areas. Therefore, developing new product rose is a technical problem to be s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 毕琰玉
Owner 淄博广晟生物科技有限公司
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