5.Foliar NematodesĪphelenchoides fragariae, commonly known as strawberry foliar nematode, is a small roundworm that typically infects young Anthurium plants. Hence, take heed in putting pruning tools away and sterilizing them before using them again for other plants. The infection also spreads through excessive moisture and contact with gardening tools. Unless appropriate measures are taken to save the plant, the infection will grow more severe, and the stem starts to leak brown slime. Despite consistent watering, once the plant has been infected, the leaves will begin to droop and wilt. Initial symptoms include yellow leaves, which slowly turn brown with time. It causes a bacterial wilt disease, which impairs regular plant cells activity and hampers flowering and growth. Ralstonia solanacearum is a bacterium that ideally thrives in temperatures greater than 90 degrees Fahrenheit (32 degrees Celsius) and requires humid conditions. If not treated immediately, bacterial blight may lead your plant to its demise. Growing your Anthurium plant beside an infected one can cause your plant to contract the disease. These lesions become brown later on and form recessed grooves. The blisters enlarge into lesions that also develop on the underside of leaves. The infection is characterized by small water blisters that gradually turn yellow.Īt first, these lesions appear on the mid-rib of leaves and slowly aggregate across the entire plate. Warm, moist conditions promote the growth of the Xanthomonas pathogen, which causes bacterial blight. Roots begin to weaken, and leaves turn pale and wilt.Ī saline soil does not support plant growth, and unless the mixture is rinsed of excess salts and nitrogenous compounds, your Anthurium plant will not sustain for long. Similarly, a highly saline soil mixture with a significant accumulation of salts prevents adequate water uptake by roots. However, this can prove to be detrimental to your plant’s health.įertilizers contain high concentrations of chemical compounds, which can severely disrupt the soil mixture’s pH, making it too acidic or alkaline.Īs a result, the enzyme activity in plant cells takes a toll and leaves begin to brown. Outdoor and Indoor Gardeners are often tempted to increase the fertilizer dosage to promote faster growth and grow bigger plants. Join our Facebook Group About Houseplants and Gardening 2.Overuse of Fertilizer or Saline SoilĪnthuriums are beautiful plants with bright blossoms and large leaves. Too little sunlight can hinder the plant’s healthy growth, lead to a slower rate of photosynthesis, and consequently cause very few new leaves and blossoms to sprout.Īt the same time, since these plants are ideally grown in the shade, placing them under the open sky beneath the glaring sun or directly in front of a south-facing window is even more harmful. 6 Factors That Lead to Brown Leaves on Anthurium 1.Intense Sunlight ExposureĪnthurium plants thrive in generous amounts of indirect sunlight. These include measures like placing your plant in a shaded area and maintaining proper plant hygiene. Although brown leaves are not a highly concerning issue if addressed at an early stage, you can save your plant from shedding all leaves and dying. Other causes include pathogenic infections and attacks from pests, like spider mites. Some of the reasons include prolonged exposure to harsh sunlight and excessive use of fertilizers. There are a series of reasons why your Anthurium plant may have brown leaves. What is the best fertilizer for Anthurium plants to avoid brown leaves?.How often should I water my Anthurium plant to avoid brown leaves?.Frequently Asked Questions about Why Anthurium Leaves Turn Brown.2.Keep Your Anthurium in Indirect Light.How to Save An Anthurium Plant with Brown Leaves?.6 Factors That Lead to Brown Leaves on Anthurium.
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