[cultivation method of Roses] how to raise roses

Rose is a common vine climbing fence flowers, also known as white residual flowers, it has been used by people to watch the beautiful flowers since ancient times, mostly planted in balconies, courtyards, parks and other places. Under natural conditions, roses often lie flat and sprawl or grow on trees. So what is the method of rose culture?

First, the cultivation methods of rose flowers

Rose strong, regardless of soil, cold-resistant, drought-resistant, the land is not divided into north and south, home all over the world. The method of cuttings is generally used for reproduction, as long as it is shaded and kept moist, the survival rate is above 90%. The trailing branches can also be pressed into the soil during the growing period, and can be cut off and planted again after taking root. Sometimes grafting or sowing is also used.

Watering roses are happy and moist and afraid of waterlogging. From sprouting to blooming, the water can be watered more appropriately, with the soil moist but not waterlogged as the degree, not too much watering after flowering, the soil should be dry and wet, and attention should be paid to drainage and waterlogging prevention in the rainy season.

Fertilizing Rose likes fertilizer and is also tolerant to barren. Liquid fertilizer dominated by nitrogen can be applied once or twice in March to promote the growth of branches and leaves. In April and May, fertilizer mainly based on phosphorus and potassium can be applied three times to promote its poly-pregnant buds to blossom, and after anthesis, it can no longer be fertilized. Rose positive flowers, like warmth, but also hardy, North China and its south, can survive the winter outdoors safely.

Pruning and pruning roses have strong sprouting power and luxuriant growth. if they are not pruned in time, they are prone to diseases and insect pests under the conditions of muggy, humid, insufficient light and poor ventilation, so a pruning should be carried out after flowering. When pruning, you can choose the sturdy branches that are semi-lignified in the same year, place them in the semi-shade, transplant them in the following spring after survival, or cut off the roots of the sprouting daughter plants before sprouting in early spring.

Diseases and insect pests of rose flowers and their control

There are few diseases and insect pests in wild roses, and there are often saw wasps, rose leaf wasps, shell insects, aphids, scorch leaf disease, canker, black spot and other diseases and insect pests artificially cultivated. In addition to paying attention to spraying, the scenery should be used with other flowers and trees, and should not be planted too much in one place. Every winter, old branches and dense branches are often pruned to maintain good light transmission and ventilation, which can reduce diseases and insect pests.

Black spot: mainly infects leaves, petioles and tender shoots. At the beginning of the disease, purple-brown to brown spots appear on the front, and the enlarged spots are mostly round or amorphous dark-brown spots. Can be sprayed with carbendazim, methyl thiophanate, daconine and other drugs.

Powdery mildew: invading tender leaves, white powdery substance appeared on both sides, and the early symptoms were not obvious. five days after the appearance of 3Murray in the powdery mildew layer, the leaves showed water stains, gradually lost green and turned yellow, and caused leaves to fall off in case of serious injury. During the onset period, carbendazim and triadimefon can be sprayed, but the effect of Guoguang Inna is the best.

Third, rose nursing

Watering:

The rose likes to moisten and is afraid of waterlogging, so it is necessary to ensure a good drainage system for both the land and the potted plant.

Fertilization:

Roses like fertilizer, according to the "thin fertilizer frequently apply" principle, continue to provide a variety of nutrients.

Lighting:

Rose positive flowers, it likes warmth, North China and its south, can safely survive the winter outdoors. Roses should be properly shaded in summer to avoid sun exposure; to loosen the soil and keep ventilation smooth; to spray water on the leaf surface to increase air humidity.

Trim:

Pruning is an indispensable important process in rose landscape shaping. Generally, adult plants are pruned before sprouting in spring every year. The amount of pruning should be moderate to ensure that the branches of the rose are dense and moderate, and the appearance is beautiful.

Roses represent beautiful love and loving thoughts. Blooming roses give people a vision of love, but love is not only a beautiful dream, although the flowers will wither, the favorite in the heart will never wither, the rose is the beginning of love, the oath of love. Roses are beautiful and holy, representing noble and sacred love, especially red roses, which are most suitable for first lovers.