How to treat leaf curl on roses
Curling leaves may be infected with leaf spot disease, which causes the leaves to become necrotic, develop yellow spots, and slowly curl.
During the management period, a humid and hot environment is provided. In such an environment, germs and pests are easy to breed, and the plants will be infected.
When pests and diseases are discovered, measures must be taken to treat them. All infected leaves should be cut off and destroyed completely to avoid further infection. You should also change the environment, move to a well-ventilated area, and enhance ventilation. Let it bask in the sun more often, and the amount of watering should be controlled and not excessive.
Why do rose leaves curl?
Rose leaf curling is caused by improper watering, insufficient fertilization, excessive temperature, and the occurrence of diseases and insect pests. It needs to be prevented and treated according to the actual situation in order to grow normally.
Curling and falling of rose leaves may be due to the occurrence of diseases and insect pests, resulting in necrosis, curling, and dryness of the leaves. This is generally caused by environmental discomfort. You can move it to a ventilated place, reduce watering, and prune branches and leaves in time.
Reasons why rose leaves curl
Excessive watering and the pot soil being too wet for a long time will cause a lack of oxygen in the soil. The most obvious manifestation is that the leaves will dry up and curl.
Drought and dehydration, if the roses are not watered for a long time or only half-watered, will affect the absorption of nutrients by the roots, causing the leaves to curl.
Extremely hot temperatures and direct sunlight may cause the leaves to curl and wilt.
Improper maintenance during the growth period will cause leaf spot disease, which can easily cause partial necrosis of leaves and appear yellow spots. In severe cases, it will affect the growth of the entire plant.
It may be caused by improper watering. The leaves may curl when the alkalinity is too high. Insufficient ventilation may also cause the leaves to curl. It may also be caused by long-term exposure to the sun.
How to deal with rose curls
Rose leaves can still survive if they are curled and dry. It is recommended to cut off the yellowed leaves first, and prune off the inward branches, thin branches, and some clustered blind branches that affect internal ventilation. For repotting, you can choose a gallon pot or one that is breathable and water-permeable. Green mountain pots are very durable, and the substrate should be loose and breathable. This will reduce the possibility of root rot due to overwatering.
Roses should be watered appropriately at ordinary times, and then watered after the soil is completely dry. Just keep the soil slightly moist. If you water the rose too much, you need to place it in a well-ventilated environment to promote the evaporation of water. It likes a sunny environment, but it is afraid of It is not exposed to direct sunlight, so shade it well in summer. If pests and diseases occur, spray pesticides to prevent it.
Rose leaves curl and turn yellow
Roses are more tolerant of drought and cannot accumulate water. Remember not to expose them to the sun. Place them indoors in a cooler place in summer. In autumn and spring, you can move the plants to a place with sufficient light.
Curly Rose Leaves and Insect Treatment
Common insect pests on rose leaves are aphids, spider mites (tetranychus), whiteflies, etc., which can be controlled by spraying pesticides or emamectin salts.
Original article author：Fragrant Road Full，If reprinted, please indicate the source.：https://www.theroadfull.com/article/2037.html
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