Stress-resistant rose breeding method
A stress resistance, rose technology, applied in the field of plant cultivation, can solve the problems of loss of components, limit the large-scale industrial development of roses, strong rose fragrance, etc., and achieve the effect of strong stress resistance
Inactive Publication Date: 2020-05-22
胡孟秋
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Problems solved by technology
[0007] Second, the flowering period of the existing rose varieties is too concentrated and the storage cost is high, and the storage will cause the loss of main components and affect the product quality
[0008] Third, the existing rose varieties are too strong and unpopular in the international market
[0009] Fourth, western my country has a vast territory, sufficient sunlight, and good ventilation. It is an ideal area for rose cultivation. However, due to the low temperature in winter and the alkaline soil in this area, it is difficult for existing varieties to grow normally, which limits the large-scale industrialization of roses.
Method used
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Embodiment 1
[0026] (1) Select planting area varieties as edible rose varieties with strong stress resistance as parents to cross with high-yield edible rose varieties in non-planting areas to obtain excellent lines of edible roses;
[0027] (2) Carry out secondary stem tip detoxification tissue culture of the edible rose elite strain obtained in (1), and then use polyethylene glycol stress treatment to induce drought-resistant strains, and for highly drought-resistant elite strains in Subculture on alkaline medium, transfer the obtained tissue culture seedlings to the greenhouse for preliminary selection, obtain excellent lines and move them to the field for systematic breeding, expand and propagate the edible rose explants and test the strains through the main economic shape detection Comparing, according to above-mentioned economic shape detection result, obtain edible rose fine variety;
[0028] (3) After screening the fine varieties of edible roses obtained in (2) through the variety ...
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The invention discloses a stress-resistant rose breeding method. The method comprises the following steps of: selecting strong-stress resistance edible rose varieties and high-yield edible rose varieties and hybridizing to obtain excellent edible rose strains; carrying out tissue culture on the excellent strains, wherein in the tissue culture process, stem segment variable-temperature detoxification treatment is firstly adopted, a more alkaline solid medium, a hormone-containing alkaline medium, a high-sugar solid medium and a high-salt medium are sequentially adopted for culture, secondary stem tip detoxification tissue culture is carried out, polyethylene glycol stress treatment is carried out to induce drought-resistant strains and secondary culture is carried out on the high-drought resistance excellent strains on an alkaline medium; transferring the obtained tissue-cultured seedlings to a greenhouse to carry out preliminary identification and selection; transferring the obtained excellent strains into a field to carry out systematic selection and breeding; and carrying out strain comparison through main economic trait testing, thereby obtaining excellent edible rose varietiesaccording to results of the economic trait testing. The method disclosed by the invention has the advantages that the obtained rose varieties are strong in stress resistance and high in yield.
Description
technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a stress-resistant rose breeding method. Background technique [0002] Rose, Rosaceae, is a deciduous shrub. my country's rose cultivation technology has a history of more than 1,300 years, and it is now planted in Korea, Japan, Russia, and Europe. It is not only for people to watch, but also a precious Chinese medicinal material, a source of spices for chemical products and an important additive raw material for the food industry. It also has the functions of mountain greening and soil and water conservation. With the advancement of science and technology, deep-processing products of roses have appeared continuously. Flowers can be used to extract rose oil, brew rose wine, and rose extract. Flower buds can be used as medicine, health care products, and gourmet dishes. It is popular to drink all kinds of dried flower tea in Beijing, Shanghai, Guangdong, Fujian and oth...
Claims
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IPC IPC(8): A01H1/02A01H4/00
CPCA01H1/02A01H4/008
Inventor 不公告发明人
Owner 胡孟秋