Hello. The symptoms that can be observed on the leaves are not typical of a disease and cannot be correlated with pest attack, but seem to be caused by unfavorable environmental and care conditions (sunburn, stress suffered during planting and changing environmental conditions, unfavorable climatic and soil conditions, sun exposure, inadequate watering, lack of proper fertilization, etc.). As the activity and spread of plant pathogens is stimulated by high and constant soil moisture, it is recommended to remove the decorative layer (gravel) from the base of the maple tree and to keep a portion of the soil around it loose. It is also recommended to remove affected leaves. Then, in order to stimulate the overcoming of the stress period, it is recommended to apply a fertilizer to the soil to revitalize the root system and stimulate healthy growth, such as or , by watering according to product label instructions. At the same time, it is recommended to apply a fertilizer with an optimal content of micro-nutrients and chelated iron, with the effect of increasing the optimal growth and development of the maple: , by foliar spraying according to the instructions in the product description.
In the future, to ensure the healthy growth of maple trees, it is recommended to regularly administer a fertilizer specially formulated for the requirements of these ornamental species: , according to label instructions. For more information on the optimal growing and care of maple trees, you can access our article: Maple, planting guide and care work. The recommended fertilizers can also be applied to the other species mentioned: magnolia and Japanese cherry. More information on the care of these species can be found in the following articles: Japanese cherry, planting guide and care work and Magnolia, planting guide and care work.
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This reply was modified 1 year, 9 months ago by Armuro.
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This reply was modified 1 year, 9 months ago by Armuro.
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This reply was modified 1 year, 9 months ago by Armuro.
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This reply was modified 1 year, 9 months ago by Armuro.