Causes of yellow spots on plum leaves. Methods for preventing yellow spots on plum leaves. Maintenance skills for yellow spots on plum leaves. Plum blossoms, as one of the traditional famous flowers in our country, are deeply loved by people for their arrogant, elegant and refined character. During the growth of plum blossoms, the phenomenon of yellow spots on leaves often occurs, which not only affects the ornamental value of plum blossoms, but also brings trouble to the maintainers. This article will conduct an in-depth analysis of the yellow spots on plum leaves. And provide corresponding prevention and maintenance skills. Causes of yellow spots on plum leaves 1. The infection of yellow spots on plum leaves may be caused by pathogen infection. Common pathogens include leaf spot disease, powdery mildew, etc. These bacteria easily breed in a humid and poorly ventilated environment.
2. During the growth of plum blossoms with insufficient nutrition, if the soil lacks nutrient elements such as nitrogen, phosphorus, and potassium, it will cause yellowing of leaves. Insufficient trace elements such as iron, zinc, and magnesium will also cause yellow spots in the leaves.
3. Environmental factors Plum blossoms are highly adaptable to the environment, but we still need to pay attention to environmental factors such as temperature, humidity, and light. Unfavorable environmental conditions such as high temperature, drought, and strong light will cause spots in plum leaves.
4. Improper maintenance, improper maintenance such as watering, fertilization, and pruning is also one of the causes of yellow spots in plum leaves, such as excessive watering, excessive fertilization, and untimely pruning. Prevention and control methods of yellow spots in plum leaves 1. Disease control After yellow spots are found in plum leaves, the diseased leaves should be cut off in time and destroyed centrally. A suitable amount of fungicides can be used for spray control, such as carbendazim, thiophanate-methyl, etc.
2. Nutritional supplement For leaf spots caused by insufficient nutrition, appropriate amount of compound fertilizers or foliar fertilizers can be applied to supplement the nutritional elements needed for plum growth. Pay attention to reasonable fertilization to avoid excessive amounts.
3. Adjust the environment and adjust the growth environment of plum blossoms to maintain appropriate temperature, humidity, and light. When high temperatures in summer, appropriate shade can be provided; when low temperatures in winter, pay attention to keeping warm.
4. Maintenance and management Strengthen the maintenance and management of plum blossoms, keep the soil loose and breathable, water reasonably to avoid stagnant water; prune timely to promote the growth of plum blossoms. Tips for maintaining yellow spots on plum leaves 1. Choosing a suitable planting site Plum blossoms does not have strict soil requirements, but it is advisable to use sandy soil with good drainage and fertile water. When selecting a planting site, factors such as soil acidity and moisture status should be considered.
2. Watering plum blossoms in a timely manner likes to wet the environment, but avoid standing water. Appropriate amount of water should be watered during spring germination and autumn flowering periods to keep the soil moist. When high temperatures in summer, the number of watering should be appropriately reduced.
3. Reasonable fertilization During the growth of plum blossoms, appropriate amounts of compound fertilizers such as nitrogen, phosphorus, and potassium can be applied to promote the growth of plum blossoms. When applying fertilizer, attention should be paid to the amount of fertilizer and method to avoid excessive amounts.
4. Pruning and shaping Plum blossoms are mainly pruned, removing sick and weak branches, crossed branches, inward branches, etc. The pruning time should be carried out before germination in spring or after falling leaves in autumn.
Although the yellow spot phenomenon of plum blossoms leaves has caused certain troubles to maintainers, by understanding the causes and adopting effective prevention and control measures and maintenance techniques, this phenomenon can be effectively prevented and controlled. I hope this article will help plum blossoms and let plum blossoms bloom under your care. More beautiful flowers bloom.