How to perk up roses
Roses are a popular ornamental plant with beautiful flower shapes, rich colors, and rich fragrance. Roses are not only a symbol of love, but also a gift of friendship and respect. But do you know how to properly care for roses? Today, I will introduce to you some rose care methods to make your roses bloom more beautifully and longer.
First, choose the right variety and planting location. There are many varieties of roses, some suitable for open field cultivation and some suitable for pot cultivation. Choose the right variety based on your preferences and conditions. Whether growing in the open or in pots, choose a location with plenty of sunlight, good ventilation, and protection from strong winds and cold currents. Roses like a warm and humid climate. The most suitable temperature is 20~30℃, and they can also tolerate low temperatures of -25℃ to -30℃. If the temperature is too high or too low, it will affect the growth and flowering of roses.
Secondly, water and fertilize properly. Roses are drought-tolerant and flood-resistant plants. When watering, you must follow the principle of “don’t water them dry, water them thoroughly”. Water the appropriate amount at the right time according to factors such as season, climate, soil moisture, etc. When watering, be careful not to wet the leaves and flowers to prevent disease. Watering is best done in the morning or evening to avoid temperature difference damage caused by watering during high temperatures at noon.
Roses love fertilizer, but don’t over-fertilize them. Fertilization should be carried out according to the growth cycle and needs of the rose.
Generally speaking, fertilization is required during the following periods:
– Infancy:
When new shoots begin to sprout in spring, sprinkle a layer of decomposed organic fertilizer or compound fertilizer on the soil surface as a base fertilizer.
– Early flowering stage:
In early summer or autumn when roses begin to form flower buds, sprinkle some fertilizer or bone meal containing more phosphorus and potassium on the soil surface as a top dressing.
– Late flowering:
After the roses bloom for the first time in summer or winter, sprinkle some nitrogen-rich fertilizer or eggshell powder on the soil surface as a top dressing.
– Overwintering period:
In autumn, when the roses begin to fall leaves, sprinkle a layer of decomposed organic fertilizer or compound fertilizer on the soil surface as a base fertilizer, and water it thoroughly to seal the soil to retain moisture.
When applying fertilizer, be careful to avoid direct contact with the roots to avoid fertilizer damage. It is best to apply fertilizer after watering to facilitate the dissolution and absorption of fertilizer. The interval between fertilizing depends on the variety and growth conditions of the roses, usually once every 2 to 4 weeks.
Again, timely pruning and propagation are required. Roses require regular pruning to promote healthy growth and abundant blooms. Pruning should be carried out according to the variety and habit of the rose.
Generally speaking, pruning is required during the following periods:
– Dormant period:
When roses enter the dormant period in winter or early spring, a major pruning is required, that is, cut the height of the plant to about 20 to 30 centimeters, leaving 3 to 5 strong main branches, and 3 to 5 bud eyes on each main branch. . Prune off dead, diseased, crossing, overlapping, leggy branches, as well as sprouting tillers on the rootstock. After pruning, apply trauma ointment or sulfur powder to prevent infection.
– Flowering period:
When the roses begin to bloom in spring or autumn, a small pruning is required, that is, cut the flowered branches to the bud eye below the first five leaves. Cut off branches that are too long, too dense, and too thin to keep the plants ventilated and light-transparent.
– Growth period:
When roses are in the growth stage in summer or winter, they need to be pruned once, that is, cut the height of the plant to about 50 to 60 centimeters, leaving 5 to 7 strong main branches, and 5 to 7 bud eyes on each main branch. . Prune off dead, diseased, crossing, overlapping, leggy branches, as well as sprouting tillers on the rootstock. After pruning, apply trauma ointment or sulfur powder to prevent infection.
When pruning, be sure to use sharp, sterilized scissors and cut branches along the diagonal to avoid lacerations. After pruning, fallen leaves and branches should be cleaned up promptly to prevent diseases and insect pests.
Roses can be propagated through seeds, cuttings, grafting, etc. Among them, seed propagation is more troublesome, requiring stratification and germination processing, and the purity of the variety cannot be guaranteed. Cutting and grafting are relatively simple and quick, can maintain the characteristics of the variety, and have a high success rate. For both cutting and grafting, healthy, mature, disease- and insect-free branches must be selected as the mother parent, and substrates and containers suitable for rose growth must be selected. Cuttings and grafting are best done in spring or autumn when the temperature is suitable and the humidity is high.
Finally, prevent and control common pests and diseases. Although roses are beautiful, they are also susceptible to some pests and diseases. Pay attention to the following points when preventing and controlling pests and diseases:
– Enhance the resistance and immunity of roses, water, fertilize and prune them properly, etc.
– Select healthy seedlings or cuttings free of diseases and insect pests for planting or propagation.
– Regularly check the leaves, stems, flowers and other parts of roses to find and cut off parts with diseases and insect pests in a timely manner.
– Appropriately use some organic or inorganic fungicides or insecticides for spraying or soaking.
– Avoid planting or cultivating roses in humid and dark environments, and maintain good ventilation and light transmission conditions.
Common diseases and insect pests of roses include the following:
– Rose rust:
It is a disease caused by fungi, which mainly occurs on the underside of leaves and appears as small yellow or orange spots. In severe cases, the leaves will wither and fall off. The prevention and control method is to promptly cut off the diseased leaves and spray with 50% carbendazim wettable powder 500 times or 70% thiophanate methyl wettable powder 1000 times.
– Rose powdery mildew:
It is a disease caused by fungi. It mainly occurs on leaves, stems, flowers and other parts. It is covered with white powdery matter. In severe cases, it can cause plant growth to be stunted and flowers to be deformed. The prevention and control method is to promptly cut off the diseased parts and spray with 50% carbendazim wettable powder 500 times or 70% thiophanate methyl wettable powder 1000 times.
– Rose scab:
It is a disease caused by fungi. It mainly occurs on the front side of the leaves and appears as black or purple-black round spots. In severe cases, the leaves will turn yellow and fall off. The prevention and control method is to promptly cut off the diseased leaves and spray with 50% carbendazim wettable powder 500 times or 70% thiophanate methyl wettable powder 1000 times.
– Rose aphids:
It is a common pest that mainly sucks the buds, leaves, buds and other parts of roses, causing deformation, withering, and falling. The control method is to spray with 40% dimethoate EC 1000~1500 times or 40% dimethoate EC 1500~2000 times.
– Rose spider mite:
It is a tiny pest that mainly sucks the underside of rose leaves, causing silvery white stripes or spots on the surface of the leaves. In severe cases, it can cause the leaves to curl, deform, fall off, etc. The control method is to spray with 20% Dichlorvos EC 1000~1500 times or 20% Dichlorvos EC 1500~2000 times.
The above is the rose care method I introduced to you. I hope it will be helpful to you. If you like roses, try these methods to keep your roses blooming more beautifully and longer. Thank you for reading!
Original article author：Fragrant Road Full，If reprinted, please indicate the source.：https://www.theroadfull.com/article/2469.html
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