there are many kinds of wool flowers, Chinese rose, rose, red, four-season fruit, hundred-day red and so on.

The requirements for seed selection in rose cultivation are:

(1) Beautiful flower shape, high-center curling or high-center curling, and slow opening process.

(2) The petals are hard and thick, the outer petals are neat, and there are no broken petals.

(3) The color is gorgeous, bright and pure, and it is best to have a soft luster.

(4) The flower branches should be stiff, with a certain length and fewer stems.

(5) The blades are moderate in size, smooth and shiny.

(6) When promoting cultivation, the varieties should be able to bloom normally at low temperature and resist powdery mildew, black spot and so on.

(7) Pruning resistance and strong germination.

(8) The proportion of large, medium and small flowers should be appropriate.

Available red varieties: Kalhong, Calamia, Gabrila and Samantha are suitable for greenhouse cultivation in winter. Red Success, Cardinal and Olympic Games are suitable for summer and autumn cultivation or greenhouse cultivation.

vermilion varieties such as Hongmo Sieders, Marina and Hongshengli are all suitable for protected cultivation.

Pink variety wedding powder, Miss Tanner, Sonia, etc.

Yellow varieties of gold medals, gold badges, golden age, Asmel gold, etc.

White varieties such as Tannick, Athena, Ka Blanche, etc.

3. Breeding methods

There are three breeding methods: cutting, grafting and tissue culture, and cutting and grafting are the main methods in cut flower cultivation. The cutting method is relatively simple and easy. Take the 15cm-long annual branch for cutting, and plant it according to the row spacing of 1cm× 25cm after rooting. Generally, cuttage is carried out in autumn, and planting is carried out at the beginning of March next year; Grafting methods are mostly bud grafting, and rootstocks can be wild rose, pink rose, thorn-free dog rose, etc., and rootstocks can be propagated by cutting.

4. The economic significance of the rose

As one of the five largest fresh cut flowers in the world (rose, carnation, chrysanthemum and gerbera jamesonii), the rose can be used to extract essence and essential oil, make rose sauce, make wine, make rose tea, make cakes and so on, and the bud can be used as medicine. Medicinal rose is a perennial shrub of Rosaceae, which integrates medicine, food, beautification and greening. It has high economic value and is an ideal crop for farmers to increase their income and get rich. As a cut flower, roses can collect 2,-3, flowers per mu every year, and the economic income can be more than 1, yuan. The economic value of roses is high. Medicinal roses are used as medicine in bud, and their leaves and roots can also be used as medicine. Rose has the functions of regulating qi, promoting blood circulation, and regulating menstruation, and has a unique curative effect on liver and stomach gas pain, irregular menstruation, leucorrhea with reddish discharge, initial furuncle and traumatic injury, and can also be used for diet therapy. In addition to medicinal purposes, the aromatic oil extracted from roses in China has sold well in domestic and foreign markets, which is not only a world-famous perfume, but also has beauty beauty and anti-aging effects. At the same time, it is often used as an advanced spice additive for candy, cakes, drinks, champagne and so on.