Culture methods of large flower rose

Big flower rose is also called flower rose, its tree is strong and beautiful, the flowers are huge and plump, the flower posture is elegant, the flower shape is beautiful and fragrant, the color is various, today we want to share with you is the breeding method of big flower rose.

Culture method of rose

1. Seed selection: It requires cold tolerance, strong resistance, disease and insect resistance, vigorous growth, hard pedicels, many flowers, early flowering, large and colorful flowers, good flower type, long single flowering period, and those varieties with close leaves, short and strong plant shape, short and hard pedicels are better, which are more suitable for pot cultivation. Moreover, some new species should be introduced every year to fill the population and eliminate the poor old varieties. There are not too many varieties of commercial cultivation, and there are 100 kinds of varieties in charge. Other rare varieties favored by presbyopic friends can be collected appropriately.

2. Planting: The plant spacing of large-flowered rose cultivation varies according to different cultivation purposes. The usual row spacing for breeding or scientific nursery is 150 cm x 80 cm. Before planting, seedlings should be pruned once, cutting off damaged branches, diseased branches, weak branches, damaged or too long roots should also be cut off. After pruning, apply a healing antiseptic film to the wound to make it heal quickly.

3. Environment: The rose is a light-loving plant. In the cultivation process, it is necessary to choose sunny land and avoid planting beside tall buildings, under trees and on the shady side of hillsides. The ideal soil for cultivation of rose should have good aggregate structure and rich organic matter content.

4. Watering: After the beginning of spring, in order to prevent the tender leaves from wilting, you can use your fingers to pick the mouth of the basin. When you see that the sand on the surface is dry, you should water it. Spray with a watering can and water thoroughly twice. It is best to make records after each watering, and to infer the next watering date is also recorded, after a few times, you can find out the general rules. In short, do not see dry, do not retting roots, do not make its excessive growth.

5. Fertilization: The amount of fertilizer required is not large, and the base fertilizer has been applied during soil preparation, so there is no need to fertilize the soil before transplanting, but foliar fertilization should be carried out. That is to say, after one month of transplanting, foliar fertilization with 0.3% urea liquid fertilizer and 0.2% potassium dihydrogen phosphate liquid fertilizer is carried out alternately every half month to promote rooting.

6, temperature control: plastic shed can adjust the temperature and humidity of soil and air, sunshade net can prevent direct sunlight, reduce the temperature. The optimum temperature for Rooting of Rosa grandiflora is 20℃ to 25℃. When the temperature is too high, besides covering the sunshade net, watering and ventilation can also be used to cool down.

Overwintering: In the long winter of more than 5 months, to ensure that the seedlings "sleep" is stable and comfortable, they must be especially careful. After the cold dew, before the arrival of the cold snap, the seedlings were moved to the greenhouse to ensure that at least 4 hours of sunshine per day. After that, the management is watering and temperature control. Daytime temperature 3-4℃, it is best not to exceed 5℃, otherwise timely ventilation cooling; night minimum of 4℃.

What links should I pay attention to when planting rose flowers?

1. Cultivation lots

Rose is a light-loving plant. In the cultivation process, it is necessary to choose sunny land and avoid planting beside tall buildings, under trees and on the shady side of hillsides. The ideal soil for cultivation of rose should have good aggregate structure and rich organic matter content.

2. Water and fertilizer management

Big flower rose likes fertilizer, especially organic fertilizer, such as manure, compost and so on. The flowering period of rose is long, so chemical fertilizer should be applied in the growth process to keep sufficient water and fertilizer, and the flower strengthening spirit should be sprayed in the bud stage to promote the bud strength, petal hypertrophy, colorful flower color, rich flower fragrance and prolonged flowering period.

3. Planting plant spacing

The plant spacing of Rosa grandiflora cultivation varies according to different cultivation purposes. The usual row spacing for breeding or scientific nursery is 150 cm x 80 cm. Before planting, seedlings should be pruned once, cutting off damaged branches, diseased branches, weak branches, damaged or too long roots should also be cut off. After pruning, apply a healing antiseptic film to the wound to make it heal quickly.

The price of large flower rose is not expensive, mainly depends on the height of the plant and crown width, there is also according to the purchase of how much the price will change, generally speaking, the height is 30-50 cm, the crown width is about 20-30 cm, its price is generally about 1-2 yuan a plant; height is about 60-100 cm, crown width is about 40-70 cm, the price is generally between 4-8 yuan; of course, the more you buy, the cheaper it is.