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Rose breeding four methods
First, the sowing method: spring sowing, usually in the middle of April can be germinated seedlings, autumn transplantation, the third or fourth year can be flowering. Second, the ramets method: The ramets reproduce more than early spring or late autumn, the method is to dig out the whole plant with rose soil, for each 1-2 branches and a few fibrous roots, colonized in the pot or open field, when Can blossom. Third, the cutting method: Generally in the early spring or late autumn rose leaf dormancy, cut mature branches, and with 3-4 buds cuttings. If the tender shoots are cut, they should be shaded properly to keep the seedbed moist; the cuttings are usually rooted after 30 days and the survival rate is 70% to 80%. Fourth, the grafting method: more budding and root connection method. Bud grafting can be carried out from August to September. The grafting site should be as close as possible to the ground. A "T" incision should be made on the side of the stem of the rootstock bud with a budding knife, and then a well-developed central part of the bud from the rose's current year. Select the bud, insert the "T" incision, tied with a plastic band, appropriate shade, so after a week or so, petiole off, about two weeks to heal.