With the popularization of horticultural culture, more and more families have started to plant Milan, also known as the Money Tree (Laurustinus nummularia). It is deeply loved for its lush green leaves and elegant posture. Recently, many flower enthusiasts have reported that their Milan plants have leaves with spots and dried branches, which greatly diminishes the pleasant experience of raising flowers. This article will provide a detailed analysis of the causes and preventive measures for the spotted leaves and branch drying of Milan.
Reasons for the Spotted Leaves and Branch Drying of Milan1. Fungal Infection
The main reason for the spotted leaves and branch drying of Milan is fungal infection. Common pathogens include black spot fungus and anthracnose fungus, which thrive more easily in humid and high-temperature environments, causing the Milan leaves to develop spots and wither.
2. Pest Infestation
Pest infestation is also one of the reasons for the spotted leaves and branch drying of Milan. Common pests include red spiders and scale insects, which suck the sap from Milan leaves, causing them to turn yellow, develop spots, and wither.
3. Improper Care
Improper care is also an important reason for the spotted leaves and branch drying of Milan. The following situations may lead to this phenomenon:
(1) Improper watering: Both excessive and insufficient watering can cause spotted leaves and branch drying in Milan. Excessive watering can lead to root hypoxia, affecting plant growth; while insufficient watering can cause the leaves to lose moisture and wither.
(2) Insufficient light: Milan enjoys sunlight. Long-term exposure to阴暗 conditions can cause the leaves to turn yellow and develop spots.
(3) Improper fertilization: Both over-fertilization and under-fertilization can cause spotted leaves and branch drying in Milan. Over-fertilization can lead to high soil salinity, affecting plant growth; while under-fertilization can cause slow growth and reduced resistance in the plant.
Preventive Measures for the Spotted Leaves and Branch Drying of Milan1. Preventive Measures
(1) Maintain a good ventilation environment to avoid humidity.
(2) Water appropriately to keep the soil moist but not waterlogged.
(3) Prune regularly to remove diseased and weak branches and leaves.
(4) Increase sunlight exposure to ensure Milan can fully receive sunlight.
2. Treatment Measures
(1) Fungal infection: Spray with a 75% methyl thiophanate wettable powder preparation at 800 times dilution or a 50% carbendazim wettable powder preparation at 1000 times dilution. Spray every 7-10 days, for a total of 2-3 times.
(2) Pest infestation: Spray with a 40% omethoate emulsion at 1000 times dilution or a 20% cypermethrin emulsion at 2000 times dilution. Spray every 7-10 days, for a total of 2-3 times.
(3) Improper care: Adjust for watering, lighting, and fertilization issues to resume normal care.
The reasons for the spotted leaves and branch drying of Milan are diverse, and preventive measures need to be taken according to the specific causes. During the care process, emphasis should be placed on prevention and timely treatment of any issues to ensure the healthy growth of Milan. It is hoped that this article can provide useful references for many flower enthusiasts.