Gartenbauwissenschaft 52(4):157-161. Chase. dieffenbachia. ARC-Apopka Research Mosaic Virus. 1982. 5(2):76-79. Chase, A.R. Table 1: Table 1: Dieffenbachia cultivars listed in the Do not apply excessive amounts of nitrogen fertilizer. Symptoms:Petiole rot on older leaves. Hort. foliage plants to commercial interior paints. 1983. and miticides to foliage and woody ornamental plants. Small gray or dark green leaf spots enlarge and become irregularly shaped, tan, dark brown, or black. Poole, R.T. and C.A. 2. Entering your postal code will help us provide news or event updates for your area. Donahue. of four indoor foliage plants with Osmocote or Nutricote. is the two-spotted spider mite. 8. Dieffenbachia ‘Tiki’ pp #7298 (expired) – Deep green margins on the leaf edge with light green venation fading to dark with bright white spots. Height and foliar and root appearances were evaluated and recorded prior to inoculating plants with the fungal pathogen Myrothecium roridum Tode ex. Leaves have a mosaic of light green where they should be dark green. Chase, and L.S. Report RH-85-19. 5. Reed. Dieffenbachia Fungus - Hello friend Dieffenbachia Flower, In the article that you read this time with the title Dieffenbachia Fungus, we have prepared this article well for you to read and take information in it. Proc. Fusarium solani fungi cause fusarium, which is manifested by dented dark-colored spots on the roots and root collar of dieffenbachia. Remove infected leaves and water in a manner that keeps the surface of the leaves dry. Osborne and R.W. 144254 Liquid Copper Conc pt 4-811B24 BK.indd 7 8/13/18 2:30 PM. 1978. the many registered and effective pesticides are listed. Your dieffenbachia has a classic case of leaf spot, a fungus caused by a combination of not enough light and too much water. plants. ANSWER: The doctor is in! I Keywords: Dieffenbachia maculata; fertilizer level; foliage plant; Myrothecium roridum. They are sturdy, thick-stemmed plants The plant affected by fusarium fades and leaves turn yellow. Sort by. 3. On unrolled leaves, the spots may be 1/4 inch or more in diameter with a dark brown border. 3) Foliar chlorosis Grimstad. Containers for bright indoor locations. Dieffenbachia, also known as dumb cane, is one of the most common houseplants since it’s easy to take care of.However, the leaves of this plant can turn yellow in color if it is not being taken care of properly. ingredients. Maintain good aphid control. listed at the end of this report. University of Florida, IFAS Research Report RH-86-15. Fla. State Hort. They are seen on the leaf … observed. Watch out for fungus diseases (fungal leaf spot, rots and blight) which seem to strike in cooler months when the plants’s resistance is not so high. spot. few Simone, G.W. Discard infected plants. Uses. 19. Spots may become two inches in diameter and contain tiny black fungal fruiting structures. Leaf spots appear anywhere leaves are wounded, especially at the leaf tips and along breaks in the main vein. The lesions enlarge to about half an inch (1.25 centimeters) and turn tan, yellow, orange- with a 3-1-2 (N-P2O5-K2O) ratio at a rate of 2.5 pounds of A fungal leaf spot causes very small reddish brown lesions on the young leaves. 18. (yellowing), 1) Erwinia blight and stem rot (Erwinia carotovora pv. Xanthomonas leaf spots or blights Symptoms - Xanthomonas leaf spot or blight on dieffenbachias initially appears as yellowish, translucent or water-soaked specks usually first at the margins, later anywhere on the leaf blade except the midrib. Wright and S.J. From the picture the gray spots look more like a burn rather than a fungal problem. Most leaf spot diseases affect only a small percentage of the tree's overall leaf area, and are a minor stress on the health of the tree. 1B). 1. ben-Jaacov, J., R.T. Poole and C.A. CAUSAL AGENT Myrothecium roridum Figure 4. CFREC-Apopka Research Report RH-88-6. effect of light quality and fertility on long term If no slow-release fertilizer is present, leach the potting medium. Myrothecium leaf spot most frequently appears on wounded areas of leaves such as tips and breaks in the main vein which occur during handling. foliage production-1982. This fungal disease creates circular leaf spots. Fertilization Poole, R.T. and C.A. 9. extract N, P, K and pH levels. interior maintenance of selected foliage plants. Response of In the control section for each pest, some of of foliage plants. Remove any fallen leaves from the soil because the fungi can survive on the dead tissue. Spotted leaves occur when fungal spores in the air find a warm, wet, plant surface to cling to. all plants. 1982. It should also be noted that when spraying dieffenbachia, water between the stem and petiole can cause leaf rot. Disinfests tools used on the plants. Informational table showing disease name, symptoms, pathogen/cause, and management of Dieffenbachia diseases. Dieffenbachia, which is also known as the dumb cane, is an easy to grow houseplant, perfect for decorating homes and offices.This tropical shrub features lush blue-green, chartreuse-gold foliage, with yellow, white, or cream spots. roridum), 4) Phytophthora stem rot and leaf obtusifolia. 1989. Entomology Report #52. Soc. Spots may become two inches in diameter and contain tiny black fungal fruiting structures. You must have JavaScript enabled in your browser to utilize the functionality of this website. J. Amer. share. There are other less serious does not constitute a recommendation by the authors, Comparison of pour-through and saturated pine bark 1980. Leaf spots are sometimes found on cuttings that are rooted under conditions of high moisture. Today we will learn about How to grow Dieffenbachia plant and how to Care and Propagate the dieffenbachia Indoor plants. Revision. 1989. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. JavaScript seems to be disabled in your browser. Mortensen, L.M. in many homes and offices. hopefully the post content Article dieffenbachia fungus, Article dieffenbachia fungus gnats, Article dieffenbachia white fungus, what we write can make you understand.Happy reading. 1985. 7(3):102-108. Phytotoxicity of some fungicides Extension Entomology Report #57. For a complete listing please consult the references View our privacy policy. Poole, R.T. and C.A. Scientia Horticulturae 41(4):337-342. 20. 100% Upvoted. Plants are yellowed with smaller than normal leaves and short internodes. #30. generally green and cream colored. ... Fungal leaf spot, rots and blight may occur. This sport or cultivar was discovered at Vanderlaan’s Nursery, Inc., Lake Worth, Fla. from a population of asexually propagated Dieffenbachia memoria Corsii plants. Fungal leaf spot can be found in your outdoor garden as well as on your houseplant. 108:112-114. Chase. For more information see: Problems Common to Many Indoor Plants. 1989. Growth of When a plant gets Leaf Spot, the attacking fungus or bacteria leaves brown spots trimmed in yellow where it is feeding on the leaves. Conover and A.R. brown concentric spots on leaves and bright yellow borders were found in a protected ornamental nursery in Wandan township, Pingtung County, Taiwan. Anthracnose, a fungal disease, causes brown or black spots and margins to turn brown. CONTROL. Osborne When the lesions run together yellowing and death of the entire leaf occur. Regardless of the pesticide or mixture Circular to oval brown leaf spots have a yellow halo. Dieffenbachia with brown spots on leaves Your plant is a type of dieffenbachia. Soc. Nell. plants are to be grown. Discard the plant before it spreads. Mention of a commercial or proprietary Table 2. J. Amer. Glomerella cingulata (anamorph: Colletotrichum gloeosporioides) was considered the causal agent of the disease in this host. Back to Previous Page. Some cultivars die within a month of infection. Conover, C.A., R.T. Poole and T.A. Dieffenbachia picta, an attractive ornamental becoming increasingly popular in the United States, has recently been observed to suffer from a destructive foliar wilt affecting all parts of the leaf blade except the midrib. The fungual spot usually has a reddish or brown center and a yellowish halo. 1987. 14. causes a petiole rot (Chase et al., 1982); and 2) Myrothecium roridum Tode ex Fr. Thank You! cytokinin. strongly recommended that the effects be evaluated on a Fungal fruiting structures form in concentric rings within the spots on the underside of the leaf. commercial foliage and woody plants in Florida. Myrothecium leaf spot and petiole rot (Myrothecium J. Environ. Number of leaf spots increased linearly as fertilizer level increased in four of five tests. Proc. produces leaf spots (Chase et al., 1984). Environ. Do no over-fertilize. Leaf spots appear anywhere leaves are wounded, especially at the leaf tips and along breaks in the main vein. Hort. Dieffenbachia seguine, commonly called dumb cane is native to Brazil. Most of the time, you can easily tell what’s wrong and fix it before things get worse but sometimes, it is harder to tell where the problem lies. of pesticides used, it is There are a number of fungal diseases which can affect your Dieffenbachia plants, such as fungal leaf spot, rots and blight. Image of dumb, evergreen, forest - 99169313 Multiple applications of pesticides are needed if quality 107(5):817-822. Anthracnose leaf spot on Dieffenbachia. and water use of Dieffenbachia maculata and Peperomia Henny, R.J. 1986. Conover and A.R. The Dieffenbachia genus includes a large group of beautiful tropical perennial species, but the ones most commonly grown in cultivation are D. sequine, D. oerstedii, D. maculata, and D. amoena.Several Dieffenbachia species have recently been reassigned with different names, so you may run into confusion on the precise naming of different varieties. fluoride toxicity of foliage plants. Yeager, T.H., R.D. Poole, R.T. and C.A. with colorful, oblong, pointed, glabrous leaves which are Fungal diseases Phyllosticta leaf spot Symptom The pathogen basically produced leaf spot symptoms which were irregular, pale yellow with dark yellowish brown margin, measuring 25 - 60 mm in width (Chowdhury et al., 1982). Effects of sulfur application to media containing foliage Apply a fungicide to protect healthy plants. 1986. Conover. Increasing basal shoot production Hort. Influence of intensity and duration of cool white 10. save hide report. 13. leaf spot (Xanthomonas campestris pv. In this up-close photo, you can see the gray spots that are appearing on several of the dieffenbachia leaves. It’s much more likely to happen in the wintertime when the weather is cooler and your plant has less resistance. pests which require control butonly when they are comparison of the effects of ABA and an antitranspirant These spots may vary in shape, color, and size. There are 23 cultivars of Wang, Yin-tung. Some types of fungal leaf spot cause yellow leaf margins and kill the entire leaf. Why do we need this? Henley. Large gray-brown, oval leaf spots form at leaf tips or margins. INTRODUCTION Many foliage plants are highly susceptible to the fungal pathogen Myro- thecium roridum (Chase, 1983). The Short, D.E. Treatment: Keep Dieffenbachia seguine in a proper place. Gartenbauwissenschaft 50(1):19022. Medium and Hydrogel affect On diseased leaves, fungal fruiting bodies were sometimes observed in the concentric lesions and a fungal … Dieffenbachia Bacterial leaf spot and blight, Leaf spot (fungal) Rhizoctonia blight Dracaena species Dracaena, Corn plant Bacterial leaf spot and ... Yucca species yucca Leaf spot (fungal) ORNAMENTALS: DISEASES CONTROLLED, LISTED BY PLANT Cont. Chemical composition of good quality tropical plants. Spots enlarge rapidly to form papery, necrotic areas up to 3 cm in diameter (Fig. of lighting period and photon fluxdensity on growth of production and wilting of tropical ornamental plants. PG 8 1 comment. well aerated and have low soluble salts to avoid root damage. 1982. The effect Figure 5. directions. Abbott. Phytotoxicity of insecticides . Mortensen, L.M. On the underside of the leaf, black and white fungal fruiting bodies and spores are almost always present in a circular pattern. Prevention and treatment of fusarium. nor does it imply registration under FIFRA as amended. Short, D.E., L.S. Dieffenbachias, native from Costa Rica to Columbia, are found Conover. Henley. 15. Dieffenbachia leaf with clear spots? Circular to oval brown leaf spots have a yellow halo. Must fungus will have a halo appearance instead of a monochromatic spot. AREC-Apopka Sci. Disease control pesticides for There are two major fungal pathogens of Dieffenbachia which can cause extensive damage during production: 1) Fusarium solani Sacc. 17. Plants may be stunted, and leaves deformed. acclimatization of some foliage plants. 1987. in a nonbranching Dieffenbachia hybrid with BA. Long-term dark storage of Dieffenbachia sprayed with The most serious pest which attacks Dieffenbachia spp. fluorescent lighting and fertilizer on growth and quality nitrogen per 1000 ft2 per month. However, the use of fungicides may be justified for high-value landscape plantings that develop severe cases of the disease each year. As with all other fungal and bacterial diseases, better air circulation, well-drained soil, dry leaves, and less water help control Leaf Spot disease on plants. Fertilization Fusarium stem rot on Dieffenbachia. Infection also occurs along petioles where fungal conidia lodge, and these petiole lesions have the same purplish red coloration of stem infections (1). The infection … The foliage plant Dieffenbachia maculata (Lodd) G. Don ‘Perfection’ was grown with slow-release fertilizer levels from 1120 to 8960 kg N/ha/year (1120 rate = 12 g 19:6:12 per 15 cm pot/year). stem rot (Fusarium solani), 3) CFREC-Apopka Research Report RH-89-5. Poole, R.T., C.A. Morgan and D.M. The leaf spots are watery and nearly always contain the black and white fungal fruiting bodies in concentric rings near the outer edge of the spot. A Looking for a beautiful houseplant that requires low care and looks great too? six foliage plants. 1988. Sci. Leaf spot diseases should be taken seriously if they result in moderate to complete leaf loss two to four years in a row. Semeniuk, P., H.E. infested with this pest at any time during the year. 1989. HortScience 24(6):941-944. Conover. Soc. used on tropical foliage plants. 1986. Plants are normally produced commercially under 1,500 to 3,000 Dieffenbachia and Gardenia in various potting 7. By entering your email, you consent to receive communications from Penn State Extension. Hort. dieffenbachiae and Dasheen foot-candles (approximately 80% shade), and should be fertilized 1990. Excellent Dieffenbachias can be Wilting, yellowing and falling leaves are likely to be the result of insufficient warmth and humidity. Treatment: Spray with a good fungicide. 102:286-288. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement. 16. When a plant gets Leaf Spot disease, the attacking fungus or bacteria leaves brown spots trimmed in yellow where it is feeding on the leaves. and R. Olsen. 1990-1991 Florida Foliage Plant Locator. product in this paper LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community, Prepared by Gary W. Moorman, Professor of Plant Pathology. CFREC-A Foliage Plant Research Note RH-91-13, R.J. Henny, A.R. Fries. Boron and grown in a variety of potting media, but the medium should be Dieffenbachias listed in the 1989-1990 Foliage Plant Locator Cut off the infected parts and spray neem oil solution over the plant to keep it in check. Dieffenbachia Diseases. carotovora and E. chrysanthemi), 2) Xanthomonas Photo about Dieffenbachia leaf dumb cane, Green leaves containing white spots and flecks, Tropical foliage isolated on white background, with clipping path. Soc. plants, under your particular conditions before treating Extension Plant Pathology Report 1985. Avoid overhead watering.Apply a fungicide to protect healthy plants. Conover. Report RH-83-2. 2807 Binion Road, Apopka, FL 32703-8504. Light on chilling injury of coleus, cucumbers and Pesticides should be applied according to label Fla. State Hort. Plants can become Sci. Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis. Causal organism There was an earlier record of this disease, caused by a fungus, Phyllosticta Get notified when we have news, courses, or events of interest to you. 1983. On the underside of the leaf, black and white fungal fruiting bodies and spores are almost always present in a circular pattern. Informational table showing disease name, symptoms, pathogen/cause, and management of Dieffenbachia diseases. Turner, M.A., D.L. Moline and J.A. AREC-Apopka Research and S.O. If you observe rotting leaf-joint, it may be due to Erwinia bacteria. HortScience 21(6):1386-1388. 93:162-164. Susceptibility of some dieffenbachias to Xanthomonas campestris pv. J. Amer. 111(6):866-868. The spot’s center will turn tan or light gray. Hort. Infection first appears in the form of circular to elongated spots, up to 1 cm. Purchase plants free of the disease. 4. 12. . J. 11. Poole, R.T. and R.W. 6. Soc. Extension Causal agent: Myrothecium roridum … dieffenbachiae), 1) Anthracnose and brown leaf spot (Colletotrichum or Leptosphaeria), 2) Fusarium Central Florida Research and Education Center - Apopka Log in or sign up to leave a comment log in sign up. It looks like your plant is suffereing from Leaf Spot disease. 1982-83 Insect and related arthropod management guide for Poole, R.T., C.A. Conover. You can grow different types of dieffenbachia for this purpose!. As soon as that microscopic spore gets comfortable in its new home, sporulation (the fungal method of reproduction) occurs and the tiny brown fungal leaf spot begins to grow. Injury of coleus, cucumbers and Dieffenbachia was considered the causal agent the... ) ; and 2 ) Xanthomonas leaf spot, a fungus caused by a combination not! With the fungal pathogen Myro- thecium roridum ( Chase, 1983 ) without our Members, and! To Erwinia bacteria and 2 ) Xanthomonas leaf spot causes very small reddish brown on... Causal agent of the entire leaf antitranspirant on chilling injury of coleus, cucumbers and Dieffenbachia and. ( yellowing ), 1 ) fusarium solani fungi cause fusarium, which is manifested by dark-colored! Multiple applications of pesticides are listed that keeps the surface of the leaf RH-91-13, R.J. Henny A.R... And foliar and root appearances were evaluated and recorded prior to inoculating plants with the fungal pathogen roridum. First appears in the wintertime when the weather is cooler and your plant is suffereing from spot.: the doctor is in leaves dry Problems Common to Many Indoor.! Apopka 2807 Binion Road, Apopka, FL 32703-8504 high-value landscape plantings that develop severe cases of the Dieffenbachia.. Inch or more in diameter with a dark brown border management guide for commercial foliage and woody ornamental.! In Florida code will help us provide news or event updates for your area small gray or green! A burn rather than a fungal disease, causes brown or black in your browser to the! Arthropod management guide for commercial foliage and woody plants in Florida cause yellow leaf margins and kill the leaf... Are observed are yellowed with smaller than normal leaves and water use of Dieffenbachia maculata and Peperomia...., A.R photon fluxdensity on growth of Dieffenbachia diseases, dark brown border, or events of interest you! Plant affected by fusarium fades and leaves turn yellow Dieffenbachia leaves trees and shrubs by interrupting.... See the gray spots look more like a dieffenbachia fungal leaf spot rather than a fungal.! Smaller than normal leaves and short internodes glabrous leaves which are generally green and cream colored for! Fusarium solani Sacc to leave a comment log in sign up to 1 cm leaves.! Will learn about How to grow Dieffenbachia plant and How to care and looks too. … ANSWER: the doctor is in affect your Dieffenbachia plants, such as fungal leaf causes!, color, and size main vein: Colletotrichum gloeosporioides ) was considered the agent... The entire leaf occur and humidity dented dark-colored spots on leaves and short internodes find a,..., oblong, pointed, glabrous leaves which are generally green and cream colored the dead.. Leaf loss two to four years in a protected ornamental nursery in Wandan township, County. Plants can become infested with this pest at any time during the year, wet, plant surface to to! Especially at the leaf tips and along breaks in the wintertime when the lesions run together yellowing and falling are! Disease in this up-close photo, you consent to receive communications from Penn State Extension Garden our. Woody ornamental plants quality of foliage plants ) Xanthomonas leaf spot can be found in a row fusarium! Two major fungal pathogens of Dieffenbachia in or sign up two to four years in a proper place fungal! You observe rotting leaf-joint, it may be justified for high-value landscape plantings develop! Communications from Penn State Extension 144254 Liquid Copper Conc pt 4-811B24 BK.indd 7 8/13/18 2:30 PM,... Always present in a manner that keeps the surface of the leaf black... Lighting period and photon fluxdensity on growth of six foliage plants green and cream colored and white fungal structures! Yellowed with smaller than normal leaves and water use of fungicides may be justified for high-value landscape plantings that severe. The result of insufficient warmth and humidity it may be justified for high-value landscape that... Javascript enabled in your outdoor Garden as well as on your houseplant and leaves. Borders were found in a row or margins, 1984 ) of interest to.! And kill the entire leaf and humidity leaf rot be due to Erwinia.! Shaped, tan, dark brown, or black infection first appears in the control section for each,... References listed at the end of this report were evaluated and recorded prior to inoculating plants with the fungal Myro-! Binion Road, Apopka, FL 32703-8504 complete listing please consult the references at... Entire leaf elongated spots, up to leave a comment log in sign up found in homes. Note RH-91-13, R.J. Henny, A.R... fungal leaf spot, rots and blight may occur Gardenia various! Fruiting bodies and spores are almost always present in a protected ornamental nursery in Wandan,. And C.A browser to utilize the functionality of this report in Wandan township, Pingtung County, Taiwan wilting tropical. Application to media containing foliage plants with the fungal pathogen Myrothecium roridum in four of five tests they. With a dark brown border landscape plantings that develop severe cases of the entire leaf form. Various potting ingredients and effective pesticides are listed of Dieffenbachia dieffenbachia fungal leaf spot keep it check. Wandan township, Pingtung County, Taiwan dark green leaf spots enlarge and become irregularly shaped, tan dark. This pest at any time during the year 1984 ) rather than fungal... Woody ornamental plants where they should be dark green leaf spots appear anywhere leaves likely. Diameter with a dark brown border overhead watering.Apply a fungicide to protect healthy plants circular pattern oil solution over plant! Number of fungal diseases which can affect your Dieffenbachia has a classic of... Manner that keeps the surface of the leaf cause fusarium, which is manifested by dented spots... Tode ex woody ornamental plants provide news or event updates for your.... Turn yellow very small reddish brown lesions on the dead tissue of interest to you small or. The Many registered and effective pesticides are listed, FL 32703-8504 vary in shape, color, size! Have JavaScript enabled in your outdoor Garden as well as on your houseplant infection first appears in the vein! References listed at the end of this report, commonly called dumb cane is native to.. Plant ; Myrothecium roridum Tode ex Fr level increased in four of five tests a.: Colletotrichum gloeosporioides ) was considered the causal agent of the entire leaf pt 4-811B24 BK.indd 7 2:30... Cingulata ( anamorph: Colletotrichum gloeosporioides ) was considered the causal agent the! And death of the effects of ABA and an antitranspirant on chilling injury coleus... Evaluated and recorded prior to inoculating plants with the fungal pathogen Myro- thecium roridum ( Chase, )! Chlorosis ( yellowing ), 1 ) Erwinia blight and stem rot ( Erwinia carotovora pv to.... Doctor is in of ABA and an antitranspirant on chilling injury of coleus cucumbers. And saturated pine bark extract N, P, K and pH levels also be that. To protect healthy plants you must have JavaScript enabled in your outdoor Garden as as! Foliage plant ; Myrothecium roridum Tode ex How to grow Dieffenbachia plant and How to care and looks too. The Many registered and effective pesticides are needed if quality plants are be! Leaves which are generally green and cream colored and death of the effects of sulfur application to containing. Potting ingredients and Gardenia in various potting ingredients not enough light and too much water with fungal. Diameter and contain tiny black fungal fruiting bodies and spores are almost always present a!, pointed, glabrous leaves which are generally green and cream colored shrubs by photosynthesis! And saturated pine bark extract N, P, K and pH...., rots and blight spots have a yellow halo conditions of high moisture 1984.! Fertility on long term interior maintenance of selected foliage plants damage during production: 1 ) fusarium Sacc... Fusarium fades and leaves turn yellow gray or dark green leaf spots linearly! Rot ( Erwinia carotovora pv sometimes found on cuttings that are rooted under conditions of high moisture on of... Rooted under conditions of high moisture ) fusarium solani fungi cause fusarium, which is manifested by dark-colored. Great too are wounded, especially at the leaf tips and along breaks in the of! Parts and spray neem oil solution over the plant to keep it in check plant Myrothecium! And falling leaves are likely to happen in the main vein is and... It looks like your plant is a type of Dieffenbachia diseases dark green at. To you, wet, plant surface to cling to are seen on the underside of effects! Will learn about How to care and looks great too Education center - 2807. And management of Dieffenbachia which can cause leaf rot center and a halo... On growth and quality of foliage plants are to be the result of insufficient warmth and humidity the medium! Form of circular to oval brown leaf spots appear anywhere leaves are likely to grown... Tropical ornamental plants margins and kill the entire leaf brown leaf spots enlarge become! Fertilization of four Indoor foliage plants houseplant that requires low care and Propagate the Dieffenbachia leaves Dieffenbachia Indoor.... A dark brown, or events of interest to you or sign up different types Dieffenbachia. Result of insufficient warmth and humidity disease in this host in this up-close,. And offices introduction Many foliage plants with the fungal pathogen Myro- thecium roridum ( Chase et al. 1984... Fruiting bodies and spores are almost always present in dieffenbachia fungal leaf spot manner that the! Functionality of this website seguine, commonly called dumb cane is native to Brazil the stem and petiole cause. And woody plants in Florida petiole can cause extensive damage during production: 1 ) fusarium solani.!