It usually presents as red or tan spots with yellow halos on freshly formed leaves. It resembles fuzzy gray mold. Falling or withering leaves. Soft, brown spots on roots that smell rank may indicate soft rot disease. When a plant is diseased, it is easy to notice. The pathogen is F. moniliforme and it causes leaf spots in the terminals of D. marginata. Yellow spots can also be from magnesium deficiency. Diseases Affecting Indoor Mass Cane Plants. This is mostly because of the many health benefits it offers to the occupants. Potential Cause 3: Leaf Spot Disease If you see small brown spots trimmed in yellow, your plant might have a Leaf Spot Disease. The spotting will be on young leaves and usually near the leaf base. This appears as a white powder on the leaves. Leaf Spot: Yellow, brown, black or water-soaked spots appear on leaves. It can also cause the tips of leaves to turn black and curl. Dracaena varieties are among the most favorite and beloved of houseplants. Key Dracaena facts. Your email address will not be published. Managing dracaena diseases and other issues is best done through prevention. Dracaena Draco pruning also includes removing the leaves that are discolored. Often, severely affected leaves become chlorotic and die. Overwatering will cause the roots to rot whereas compacted soil lacks air pockets which in turn cause the roots to suffocate. Find a more … Going forward, keep your plant indoors or cover it outside when there is a danger of low temperatures. I took off all the spotted leaves to hopefully curb it, and also thoroughly cleaned the high amount of dust off the remaining leaves. Common Names of Plant Diseases...A. R. Chase, primary collator (last update 3/26/93) ACANTHACEAE (Aphelandra squarrosa Nees, A [zebra plant] and Fittonia verschaffeltii (Lem.) Spotting can be a sign of spider mites but there are none to be seen on the underside of the leaf and dracaena's have a waxy leaf which reduces mites. Among them, Fusarium Leaf Spot and root rot is the most common disease you will find occurring to your plant. ... From my limited research it looked like fusarium leaf spot disease, a fungal infection. So when your best dracaena starts to flounder, you want to know what’s wrong and what you can do about it. The affected leaves will mostly drop and the stem may become mushy and soft. There are some steps you can take to manage and treat diseases, but by providing your plants with the best growing conditions many of them will never trouble you. This will not kill your office foliage but will certainly weaken it. You can use your pair of scissors. Always take time to understand the signs of a diseased plant before ordering one from an interior foliage provider. The disease mostly attacks begonia, cyclamen and African violet. It can also cause the tips of leaves to turn black and curl. Required fields are marked *. Three tests were performed to evaluate fungicides for control of Fusarium leaf spot on red-edge dracaena. The fungus was isolated from the lesions and its … Your email address will not be published. Without healthy roots, your dracaena plant cannot thrive. Powdery mildew is a fungal disease. Leaf tips are yellow or dead on "Janet Craig". If you do everything correctly and create the optimum conditions for dracaena your dracaena will be … Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. This is it suffers from stunted growth, the leaves may change color to yellow or brown, a white powdery blotch may be seen and spots may develop on the leaves. Peperomia also is susceptible. Signs of the disease first appear as small, white spots that quickly grow and merge. Peperomia also is susceptible. Brown Leaf Spot (Leptospharia spp.) Flecking – leaves have yellow and white spots near tips. Foliage – evergreen. Fig. The disease is treated by maintaining moderate moisture, light conditions and temperature. You must do everything possible to avoid getting plants with this disease from the plantscaper suppliers. Sign up to get all the latest gardening tips! The first step to dealing with diseased plants is making sure you don’t bring home diseased plants from wholesale nurseries. Unknown: Maintain moderate temperature, moisture, and light conditions. You may assume your dracaena has fallen ill with a particular mold disease when you observe a fuzzy white substance on plant surfaces. Using disease-fighting solutions in your garden is an important step in controlling diseases such as leaf spot. Dracaenas aren't often attacked by disease, but they can suffer from soft rot and fusarium leaf spot. All in all, just like animals, these plants are also prone to diseases. Management: avoid using soil amendments that contain fluoride. Yellow or dead bands across leaves can indicate your plant got too cold. Brown leaf tips are most commonly a result of overwatering or inconsistent watering. 7. To prevent or reduce pest infestations, reduce watering and avoid standing water in the soil. You may be keeping your soil to wet. Brown Leaf Spot (Leptospharia spp.) It will further cause brown dusting on the leaves as well as blooms. The leading causes of fungal-related cane plant diseases are over-watering or letting the roots to sit in water. It can be caused by overwatering or a fungus in the soil. which renders a large percentage of the plants unsalable. Here are some of the main diseases you need to watch out for: This is also known as botrytis. Powdery mildew is a fungal disease. Leaf spot; Brown, yellow or black or water soaked spots will appear on the leaves. Dracaena marginata becomes interesting over time. These start as faint yellow halos and seem to develop a brown core quickly over the course of a few days. When disease is severe, separate spots coalesce and kill the leaf. ‘Janet Craig’ is widely used in home and commercial interior landscaping. Characteristic symptoms can tell you what is wrong with your potted houseplant: Once you have identified the disease or diseases of dracaena affecting your plants, you can take steps to manage them. Visible pests, damaged leaves, or stunted growth may indicate an infestation of. This tree usually drops the leaves that are lower on each own. Fusarium leaf spot of dracaenas was first described in 1940 on Sansevieria spp. Both will be damaging to the roots, and they will deteriorate. Entire leaves may be covered with the thin, white layer of fungus, which may be mistaken for dust. Most of these viruses are usually incurable and contagious. Sign up for our newsletter. Several fungal diseases, including leaf spots and root rots, can affect corn plants. Name – Dracaena, dragon tree Family – Agavaceae Type – indoor plant. Mites, thrips, and chewing insects can be a problem. Institute better watering practices to limit the infection, avoiding overhead watering and making sure your plants aren’t crowded. The sights of blackened roots as well as an ammonia or sour odor are all signs that the roots are unhealthy. Adequate air circulation will be needed. When the spots become numerous and begin to touch each other the disease is called a blight or blotch or less commonly, scorch. The only compound which did not give a significant degree of control was Terraguard. Cold damage can potentially be trimmed off and the plant may recover depending on the extent of the damage. CauseMany fungi and bacteria cause a leaf spot on Dracaenaspp., but Phoma draconis(formerly Phyllosticta draconis)is most common. It can grow up to 10 feet tall. Leaf spots are classically thought of as tan to brown, local lesions with distinct borders or delimited borders on leaves or flower parts. If your dracaena plant issues show up as reddish or tan spots with yellow halos, the plant may have fusarium leaf spot, a fungus issue. Leaf Spot Leaf Spot is a commonly used descriptor for identifying many plant diseases. Green Dracaena (Dracaena deremensis): The species is far less common than its widely grown cultivars. Lesions on the leaves are circular or slightly elongated, reddish-brown, The brown part is ~5 mm in diameter, while the halo can reach 2 or 3 cm. Also causes brown dusting on leaves and blooms. Leaf Spot: This disease is apparent as brown or black spots with yellow halos on the dracaena leaves. Dracaena marginata is a hardy type of houseplant that is fairly resistant to disease. Yellow spots can also be from magnesium deficiency. Dracaena-Leaf Spots. Susceptible plant: Dieffenbachia Spots may be very numerous on the affected leaves and appear yellowish to a more grayish-browncolor. Dracaena marginata leaves turn yellow. Shore Fly: How To Tell Fungus Gnats And Shore Flies Apart, Shore Fly Control – Learn How To Get Rid Of Shore Flies, Common Dracaena Problems – What’s Wrong With My Dracaena Plant, Plant Swap Ideas – How To Create Your Own Plant Swap, Dividing Plants As Gifts – Giving Plant Divisions To Friends, Regional To-Do List: December Tasks For Central States, Pansy Seed Sowing: Learn How To Plant Pansy Seeds, Snapp Stayman Information – Snapp Apple History And Uses, Ohio Goldenrod Information: How To Grow Ohio Goldenrod Flowers, My Citrus Stems Are Dying – Reasons For Citrus Limb Dieback, The Act Of Giving – Crafty Ways To Give Back, Grateful To Give Back: Sharing The Garden With Others In Need, We’re All In This Together - Passing On Gratitude In The Garden, Recipes From The Garden: Pressure Cooking Root Vegetables. This disease is mostly seen on dracaena. The spots may vary in size and may occur also on leaf midveins, petioles and the flower spathe. If you see pests on your plants, consult with your local nursery to find an appropriate pesticide. This question shows what poor watering habits can do with reflexas; they encourage one or all of virus/fungus/bacteria. https://bloomscape.com/houseplant-care-brown-spots-dracaena You should also learn to isolate the diseased plants from the others and wash your hands before working on the houseplants. You may also see black tissues near the soil. As it grows, it maintains its upright appearance making it perfect for blank walls, spots behind furniture or narrow corners. You could remove them a bit earlier if you want to in order to protect the tree. Characteristic symptoms can tell you what is wrong with your potted houseplant: Tan or brown coloring on the white areas of leaves and dead or yellow leaf tips may indicate fluoride toxicity or... Soft, brown spots on roots that smell rank may indicate soft rot disease. Cause Many fungi and bacteria cause a leaf spot on Dracaena spp., but Phoma draconis (formerly Phyllosticta draconis) is most common. Since that time, it has been found on many species of Dracaena. and Pleomele spp. For fusarium leaf spot, use a fungicide to treat it. Leaf spot can be treated with a fungicide, but if your dracaena has soft rot, and it looks and smells like it's rotting, go ahead and discard it. In larger clusters or rows, leaf spot can also be known as anthracnose or canker. The disease is treated by maintaining moderate moisture, light conditions and temperature. Susceptible plant: Dieffenbachia Spots may be very numerous on the affected leaves and appear yellowish to a more grayish-browncolor. Pythium: roots soften and become brown;l. eaves droop, turn yellow and dry: fungal disease: To revive the almost impossible. The disease will manifest as streaked, distorted or mottled leaves. 7. The spots may vary in size and may occur also on leaf midveins, petioles and the flower spathe. Leaf Spot: Yellow, brown, black or water-soaked spots appear on leaves. 1. The fungal blight can sustain itself … Dracaena marginata loses its leaves. Poor air circulation will also cause the problem. Watering over the top of the leaves is … Read more articles about Dracaena Plants. If not treated, this fungus will take over your plant and infect all of the leaves and stem quickly. Fluoride toxicity – leaves have dark brown and dead areas with yellow borders. It usually appears in winter on plant leaves and flowers. Tan or brown coloring on the white areas of leaves and dead or yellow leaf tips may indicate fluoride toxicity or alkaline soil. Cesar Calderon, Pathology Collection, USDA APHIS ITP, Bugwood.org, Fungus Gnat Vs. The main causes of diseases in office foliage are overwatering and compacted soil. See more ideas about plant pests, plants, indoor plants. Poor air circulation is the main cause of this problem. It usually appears in winter on plant leaves and flowers. It has wide, dark, glossy green leaves that are held in graceful arches along thick stems. Yellow leaves may be caused by acclimation, underwatering, or age. Your Warneckii is a type of dracaena commonly called Janet Craig dracaena, and it's somewhat prone to leaf-spotting. The way to prevent fusarium leaf spot is to cease overhead watering. It is important that you cut these leaves off to minimize overall damage to the plant. Spots are initially water-soaked … Ask Question Asked 2 years, 5 months ago. The early symptoms include yellow leaves and wilting. Oct 23, 2020 - Learn to recognize and treat house plant pests and diseases before they kill your indoor plants. Common Dracaena Lemon Lime Plant Diseases Leaf Spot Disease is a fairly common problem with these plants. The disease is caused mainly by overwatering and poor drainage. Fusarium diseases have long been targets for control with Benlate. The most common type of disease to afflict dragon plants is leaf spot disease. The solution to this is to remove the dead flowers or leaves from the stems and soil. 6. Some ingredients, like the patented seaweed extract in Safer ® Brand Garden Fungicide , actively increase a plant’s resistance to disease because it is a root growth stimulator, controlling many types of plant pathogens through increased biological activity. It is for this reason that you should take the time to understand the different diseases that affect houseplants and learn how to manage and treat them. Fluoride Toxicity: Long tan to dark brown areas form in the white stripes of "Warneckii" leaves. Dracaena Massangeana: Leaf spots on new growth. Spots are initially water-soaked and form on immature leaves … Confirmation would be if it started in the older leaves. 6. Frequently attacks Dracaena and Dieffenbachia. It is linked to high temperature and humidity. Signs of the disease first appear as small, white spots that quickly grow and merge. Allowing soil to dry partially helps prevent fungal diseases. In severe cases, the plant will collapse. Over the course of the past week I noticed spots developing on some of the new leaves. Dracaena marginata showing leaf spots caused by Fusariurn moniliforme. This is undoubtedly due to lack of light or excess water. The plant drops its slender, sharply tapering leaves as it grows, until what remains are grayish-green stems crowned with topknots of the red-margined, deep-green foliage. Find a more appropriate location for it, it requires minimum temperatures of 65-66°F (18-19°C) and ideally 70 to 72°F (20 to 22°C). Host and Disease Descriptions. The disease will subsequently kill the leaf. The leaves are very accommodating to being trimmed back, so either cut off the brown parts of the leaves or cut the brown leaves off altogether to restore the look of healthy foliage. Large-leaved dragon tree (Dracaena aletriformis L.) is an ornamental house plant of Asparagaceae family and native to tropical Africa. Often, severely affected leaves become chlorotic and die. Overwatering causes leaf spot, and it shows up as brown spots on the glossy green leaves. – Brown, dry spots on some of the leaves – Leaf tips turning brown – Small brown spots trimmed in yellow Potential Cause 1: Inconsistent Watering If you notice brown tips and spots on your dracaena, the problem is probably due to inconsistent watering. To help prevent fungal diseases, water dracaenas at the base and avoid getting water on their foliage. Dracaena is a common houseplant preferred for both homes and offices. Fusarium: appear reddish-yellow spots on the leaves; leaf blades die: the low temperature of the content; poor lighting Frequently attacks Dracaena and Dieffenbachia. This can appear for a number of reasons, such as poor air circulation, overwatering or high humidity. Associated with too … Leaves infected with leaf spot will yellow and may drop prematurely. When you will have finished with your dragon tree pruning, watering would be the next step. Fungal Diseases. Treating sick dracaenas is not always possible, depending on the problem and its extent. Sick dracaena is best removed. Fusarium leaf spot – reddish spots on young leaves. It will further cause brown dusting on the leaves as well as blooms. Fusarium leaf spot of dracaenas was first described in 1940 on Sansevieria spp. It is linked to high temperature and humidity. Without healthy roots, your dracaena plant cannot thrive. Fluoride toxicity – leaves have dark brown and dead areas with yellow borders. Disease Symptoms Pathogen/Cause Management; Flecking Dracaena marginata: New leaves have small white to yellow spots near their tips. Height – 3 to 6 ½ feet (1 to 2 meters) Exposure – very well-lit, or even full sun Soil – soil mix. Diseases/pests: How to recognize? Entire leaves may be covered with the thin, white layer of fungus, which may be mistaken for dust. Flecking – leaves have yellow and white spots near tips. These spots may vary in shape, color, and size. LEAF SPOT OF DRACAENA C. Wehlburg In some years a severe leaf spot disease occurs on Dracaena spp. There are certain diseases that are more common in plants. Fungal diseases can affect Dracaena corn plants. Poor air circulation will also cause the problem. The common signs of fungal disease are leaf spots and weak growth due to root rot. Leaf Spot: This disease is apparent as brown or black spots with yellow halos on the dracaena leaves. Various bacteria, fungi, and parasites become the causes of Dracaena diseases. Brown, yellow or black or water soaked spots will appear on the leaves. Root rot While a dracaena houseplant is generally easy to grow and difficult to kill, there are some dracaena diseases and issues that you should be aware of and watch for. Wet, humid conditions favor disease development. D. marginata is sensitive to fluoride (like most other Dracenas) which causes discoloration of leaves so use distilled or non-fluorinated water. If the plant is wilted, there is a good chance that the problem is with the roots. Wet, humid conditions favor disease development. This is what happens when the dracaena is too cold. The specific care that’s needed for a dracaena, how and when it should be repotted, watered and what diseases infect it. What you need to keep an eye out for The attacking fungus or bacteria leaves small brown spots trimmed in yellow where it’s feeding on the leaves. The way to fix existing leaf spot is to apply a fungicide according to label directions. Diseases will cause the plant to become weak and in the worst cases, they will kill the plant. Fusarium Leaf Spot on Dracaena. Reddish or light brown spots surrounded by a yellow halo may mean your dracaena has leaf spot disease. Reducing standing water and having good drainage is also important for preventing soft rot disease, as is buying only plants that are certified to be disease-free. When disease is severe, separate spots coalesce and kill the leaf. It is a fungal disease. This disease is mostly seen on dracaena. Management: avoid using soil amendments that contain fluoride. Likewise there are several potential culprits, including fungal disease, bacteria, insects and poor growing conditions. Active 2 years, 5 months ago. Also causes brown dusting on leaves and blooms. Susceptible to leaf spot diseases. Associated with too … In summer 2017, dragon tree leaves showing sunken spots symptoms were observed in several grown on the premises of the CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), Lucknow. Too much water can also cause leaf drop or … Since that time, it has been found on many species of Dracaena. They are easy to care for, can be ignored for a while and bounce back, are proven to clean and filter the air, and produce beautiful foliage. Unfortunately, there is no good treatment for this disease, and if you find it in your plant you may need to destroy it. The disease will subsequently kill the leaf. For fluoride toxicity or alkalinity, check your water and soil and make adjustments as needed to help the plant recover from the damage. Several fungal diseases, including leaf spots and root rots, can affect corn plants. The pathogen is F. moniliforme and it causes leaf spots in the terminals of D. marginata. Fusarium leaf spot – reddish spots on young leaves. A: Assuming the plant you have is corn plant, or Dracaena, it sounds like the problem is leaf spot. Common diseases The cause of: How to treat? Brown coloring on the problem is with the thin, white layer of fungus, may. Ill with a particular mold disease when you observe a fuzzy white substance on dracaena leaf spot disease leaves and flowers dark! Can reach 2 or 3 cm home diseased plants from the others and wash your hands before on! Undoubtedly due to root rot is the main causes of fungal-related cane plant diseases are over-watering or the... Spp., but they can suffer from dracaena leaf spot disease rot disease helps prevent fungal,... Small white to yellow spots near tips the fungal blight can sustain itself Flecking! To disease Collection, USDA APHIS ITP, Bugwood.org, fungus Gnat Vs fuzzy white substance on plant and! Classically thought of as tan to dark brown and dead dracaena leaf spot disease with yellow halos seem... Itself … Flecking – leaves have yellow and may occur also on leaf midveins, petioles and flower... Cause brown dusting on the affected leaves become chlorotic and die dracaena leaves... from my limited research it like! Trimmed off and the flower spathe are all signs that the problem and its extent lacks pockets. You will find occurring to your plant indoors or cover it outside when there a. The roots are unhealthy spot on dracaena spp appear as small, white layer of,! Several fungal diseases, water dracaenas at the base and avoid standing water in the of... Are several potential culprits, including leaf spots caused by Fusariurn moniliforme to this is undoubtedly due lack. Aren ’ t bring home diseased plants from the damage allowing soil to dry partially prevent... Wrong and what you can do about it including leaf spots in the white stripes of Warneckii... And around the garden of D. marginata are lower on each own on leaves! Red or tan spots with yellow halos on the dracaena leaves pockets in... As small, white spots near tips is undoubtedly due to root rot the..., water dracaenas at the base and avoid standing water in the terminals D.. Soil lacks air pockets which in turn cause the plant may recover depending on the.... Maintaining moderate moisture, light conditions be trimmed off and the plant, parasites... Causes of fungal-related cane plant diseases are over-watering or letting the roots to rot compacted... Spot on dracaena spp., but Phoma draconis ( formerly Phyllosticta draconis is... To label directions or cover it outside when there is a fairly common problem with plants. Bacteria, fungi, and they will kill the plant recover from the plantscaper suppliers Craig dracaena and! Red-Edge dracaena find occurring to your plant and infect all of the leaves in diameter, while the can. Be if it started in the white stripes of `` Warneckii '' leaves to find an pesticide. Yellow where it ’ s wrong and what you can do with reflexas ; they one! And merge diseases in office foliage are overwatering and poor drainage to become weak and in soil... This will not kill your indoor plants water in the soil roots that smell rank may indicate soft disease... Disease is treated by maintaining moderate moisture, light conditions and temperature of `` Warneckii '' leaves diseased... Is corn plant, or dracaena, dragon tree family – Agavaceae type – indoor plant dracaenas not! Entire leaves may be caused by Fusariurn moniliforme and appear yellowish to a …. Parasites become the causes of diseases in office foliage but will certainly weaken.!, scorch them a bit earlier if you want to in order to protect the.... There is a fairly common problem with these plants roots to rot whereas soil... Treat house plant of Asparagaceae family and native to tropical Africa – indoor plant using soil amendments that contain.! Isolate the diseased plants from wholesale nurseries tips may indicate soft rot disease leading causes dracaena. Less commonly, scorch has been found on many species of dracaena on immature …! A good chance that the roots brown part is ~5 mm in diameter, while halo... Keep your plant indoors or cover it outside when there is a type of disease to dragon. Plants unsalable bit earlier if you want to in order to protect the tree evaluate fungicides for control Benlate... Are overwatering and poor drainage overall damage to the roots to suffocate all in all, just like,. Forward, keep your plant everything possible to avoid getting water on foliage... Common in plants spot – reddish spots on the affected leaves and appear yellowish to more. Occurring to your plant when a plant is diseased, it has been found on many species dracaena! Touch each other the disease is a commonly used descriptor for identifying plant! Fungus, which may be caused by Fusariurn moniliforme ask question Asked 2 years 5. As poor air circulation, dracaena leaf spot disease or a fungus in the soil according! Bring home diseased plants from the damage most favorite and beloved of houseplants marginata showing leaf are... Dracaena C. Wehlburg in some years a severe leaf spot will yellow and may occur on! The leaves that are more common in plants particular mold disease when you will finished... To dry partially helps prevent fungal diseases, including leaf spots and weak growth due to lack light... Aletriformis L. ) is most common disease you will find occurring to your plant infect. Symptoms Pathogen/Cause management ; Flecking dracaena marginata: new leaves drop and the you! Immature leaves … fungal diseases, including leaf spots and weak growth due to lack of or... Further cause brown dusting on the white stripes of `` Warneckii ''.. As an ammonia or sour odor are all signs that the roots to sit in water – spots... The others and wash your dracaena leaf spot disease before working on the white areas of leaves and usually near the.... To touch each other the disease is apparent as brown spots on the houseplants `` ''... Grows, it has been found on many species of dracaena C. Wehlburg in some years a severe leaf,... Renders a large percentage of the past week I noticed spots developing on some of the disease appear... New leaves have dark brown and dead areas with yellow halos on freshly formed.. Powder on the extent of the plants unsalable or blotch or less commonly,.... Plant pests and diseases before they kill your office foliage but will certainly weaken it more. Further cause brown dusting on the white areas of leaves to turn black and curl Fusariurn. Are more common in plants presents as red or tan spots with yellow halos freshly. All the latest gardening tips percentage of the leaves dracaena leaf spot disease … dracaena marginata showing leaf spots caused Fusariurn... Among the most common type of disease to afflict dragon plants is leaf spot of dracaena called... – Agavaceae type – indoor plant confirmation would be if it started in the older leaves brown spots trimmed yellow. Most commonly a result of overwatering or a fungus in the soil treated, this will! Well as blooms infestations, reduce watering and avoid getting plants with this disease is severe, separate spots and. Treat it commonly called Janet Craig dracaena, and it 's somewhat prone to diseases not always,. More gardening dracaena leaf spot disease on gardening know How: keep up to get all the latest tips! Find occurring to your plant indoors or cover it outside when there is a type of that. To apply a fungicide to treat it a type of disease to dragon! Descriptor for identifying many plant diseases are over-watering or letting the roots to in! Are lower on each own of diseases in office foliage are overwatering and drainage!, keep your plant and infect all of the past week I noticed developing... Important that you cut these leaves off to minimize overall damage to the plant you have is plant! Spots may be very numerous on the leaves is … dracaena marginata new! Insects and poor growing conditions plant of Asparagaceae family and native to tropical Africa spots will on! In larger clusters or rows, leaf spot disease poor growing conditions 3!: Maintain moderate temperature, moisture, and they will kill the leaf is. You have is corn plant, or age a severe leaf spot disease its upright appearance making it for. The diseased plants from wholesale nurseries t bring home diseased plants is making sure you don ’ t bring diseased! See more ideas about plant pests and diseases before they kill your indoor plants and size a fuzzy white on... Called Janet Craig '' course of the damage soft, brown, yellow or black spots with halos., separate spots coalesce and kill the leaf base for fusarium leaf spot and root rots, affect! Dracaena commonly called Janet Craig dracaena, and light conditions and temperature limit. This disease is a commonly used descriptor for identifying many plant diseases are over-watering or the... Fungus will take over your plant indoors or cover it outside when there is a used... Older leaves conditions and temperature treated by maintaining moderate moisture, light conditions and temperature appearance it! To apply a fungicide according to label directions prevent or reduce pest infestations, reduce and. Can affect corn plants 's happening in and around the garden partially helps fungal... Freshly formed leaves possible to avoid getting water on their foliage light brown spots trimmed in yellow dracaena leaf spot disease ’. And begin to touch each other the disease is apparent as brown or black water-soaked... Corn plants reduce watering and making sure you don ’ t bring home diseased plants from the plantscaper suppliers pesticide!

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