Succulent Pests, Diseases and Problems Keep your succulents healthy, happy and looking their very best When a succulent isn’t looking quite right, you may wonder if you’ve done something wrong. The Octopus Agave (Agave vilmoriniana), thriving in U.S. Department of Agriculture plant hardiness zones 9 through 11, features tendril-like leaves that grow outward to 6 feet, curling at the ends. The insect under the protective scale feeds on the plant sap and can transmit virus diseases between plants. (SHNS photo by Maureen Gilmer / DIY Network) The great agave meltdown began at summer's end. Hemispherical scale; Yucca weevil ; Diseases Collar, root, and crown rots; Leaf spots … Agave may stand up to the sun and dry periods well but are quite susceptible to plant-eating insects such as the agave snout weevil, soft scale and the cactus longhorn beetle. Some of the more common problems that occur in agave, aloes, cacti and yuc-cas in Arizona are discussed in this bulletin. They While usually an easy plant to grow in rock gardens and hot, dry areas, agave can be susceptible to bacterial and fungal rots if exposed to too much moisture and humidity. Once hatched, the weevil larvae tunnel their way to the roots and soil, spreading rot as they work their way throughout the plant. Agave plants require little looking after to thrive. Most Agaves are usually not hit by serious pests or diseases. These pests are typically found as individuals or in relatively small numbers. Go to the Agave Snout Weevil page. Agave ovatifolia, also known as whale’s tongue agave, is an evergreen perennial succulent that is known for its super-thick rosette of powder blue and gray leaves – a unique color combo!The plant belongs to the family of Asparagaceae and is a beautiful succulent for adding texture to coastal, city, and xeriscape gardens.. The artichoke agave (Agave parryi var. The most common cause of root and crown rot in agave plants comes from the soil … Agave succeeds in drought conditions, high temperatures, and when grown on marginal lands, where other crops are unable to grow. A sugary honeydew may be secreted and encourages black mould. The brownish-black insects are about a half-inch long and have long snouts. Thread Leaf Agave (Agave filifera) Agave filifera, or thread leaf agave, grows in the open spaces of … Snout weevils are probably the most damaging pests to agaves and yuccas. Sign up for our newsletter. Care & Disease of Agave Plants Soil. When pruning away diseased plant tissues, it’s recommended that you dip pruners in a mixture of bleach and water between each cut. Some of the more common problems that occur in cacti, agave and yuccas in … Use an anti-fungal agent occasionally to prevent infection. Plants often fail to grow or produce crops. While there are over 300 leaf miner species worldwide, there are five considered to be serious pests: Vegetable leaf miner (Liriomyza sativae) It requires only minimal fertiliser and is naturally disease and pest resistant. If you notice any "bug" on your cactus plant, aside from true spiders, they are probably up to … Opuntia seem to be a favorite of the insects and it is even less common to find these on other types of cacti. Armored scales. The primary sign of anthracnose of agaves include unsightly sunken lesions on the crown and sword-like leaves, often with a visible, reddish-brown spore mass. Those 3 pollinate the Agave from whence tequila comes as well as food and many other products. Generate basic information about agave crops Since 2002, we have worked, and continue to work, towards gaining knowledge regarding habits, life cycles and environmental conditions that favor the presence of any pests/diseases that target agave, in order to know when and with what management techniques phytosanitary problems should be ameliorated. The Aloe vera plant has a short, stout stem and a rosette of fleshy, lanceolate leaves which have a serrated margin of small white teeth. Here’s what to look for: symptoms, causes, severity, prevention, and treatments for common succulent pests, diseases and problems. Leaves with chew marks or lesions should be cut off at the crown and disposed of immediately. December 17, 2014 at 8:08 am SA’s fig-growing industry, although relatively small, produces a significant harvest for export. Some of the more common problems that occur in agave, growth rate and known problems of a specific plant with the nursery personnel. See more ideas about agave plant, cacti and succulents, plants. Agave Anthracnose Treatment and Prevention Tags: How to grow and maintain Romeo Wax Agave Romeo Wax Agave Succulent plants Planting Man helps you to build beautiful & healthy gardens. Apr 30, 2018 - Explore Sara Skold's board "Agave Plant" on Pinterest. Before planting anything in the area that an infected plant was growing in, you should sterilize the soil, which could still contain pests and disease after the infected plant has been removed. Abiotic (non-living) problems Abiotic problems are not caused by living organisms. The leaves may be flecked with white and are pale green or gray-green in color. Pests & Diseases . The agave is a desert plant and requires full sunlight. It has no serious pest or disease problems. Myrtle Rust These infections are caused by fungus spores that find a home on the agave plants. Container grown agave will do best in a cacti or succulent soil mixture. Agave plants should also never be watered overhead, a slow trickle of water right at the root zone can prevent the splashing and spreading of fungal spores, as well as prevent the crown rot that can happen if water pools up in the crown of agave plants. These include, but are not limited to: Basal Rot (Fusarium culmorum), White Rot (Sclerotium cepivorum), Downy Mildew (Peronospora destructor), Botrytis Rot (Botrytis porri) and Penicillium Decay (Penicillium hirsutum Unfortunately, you probably won’t notice this until it’s too late to save the plant. Agaves generally have very few problems with pests and diseases. Latania scale; Oleander scale; Oystershell scale ; Mealybugs. Paul Donovan. Several infections can also plague agave plants with symptoms including lesions, black and brown spots and rot. Cool, wet spring weather that rapidly changes to hot, humid summer can cause a surge in fungal growth and pest populations. However, the agave snout weevil can burrow into a plant’s center to lay its eggs, causing the plant to collapse. Common Pests and Diseases . University of Arizona: Problems and Pests of Agave, Aloe, Cactus and Yucca. Crown and root rots in agave can also be caused by an insect called the agave snout weevil, which injects bacteria into the plant as it chews on its leaves. Large yucca mealybug ; Soft scales. However, in recent years, this crop has been affected by a pest called ‘agave weevil’ among other diseases caused by If your agave wilts and has dark patches at leaf axils, it likely has snout weevil, a thumbnail-sized black beetle that punctures an agave's core and inserts its eggs. Invertebrates. The agave is a desert plant and requires full sunlight. Mealybugs and scale insects attach to the leaves and suck the juices out of them. Being an Agave, you’ll highly likely have to deal with Agave snout weevils, also known as sisal weevils, which lay eggs on the base of the plant during spring, causing the infestation to escalate. Grubs hatch, consume the core of the plant, turn it to mush, then tunnel into the ground to pupate. Snout weevils (Scyphophorus acupunctatus) are serious pests and feed on several species of agave. The fig tree borer (Phryneta spinator) is a major pest … The best way to prevent root and crown rot of agave plants is to situate them in a location with excellent drainage, infrequent irrigation, and full sun. Still, keeping an agave healthy in the home or landscape requires some care and plant predators are always a concern. Mealybugs can be a problem, and if dead leaves are not expelled from the plant, it can attract other insect pests or have problems with fungus. Plants such as the twin flowered agave (Agave geminiflora), which grows in USDA hardiness zones 9 through 11, feature better color when watered throughout the hot season. Feeding causes loss of healthy leaf tissue, so the plant can’t capture enough sunlight and often becomes infected with disease. If your plants have snout weevils, the only solution is to remove the plants and throw them away. Signs of infestation include withering or drying leaves and brown spots. truncata), grown in USDA zones 6 through 9, is smaller at only 4 feet wide, and grows in a tight, lotus-like shape. When not writing, Sean helps maintain community gardens in Silver Lake and Echo Park, California. Cool, wet spring weather that rapidly changes to hot, humid summer can cause a surge in fungal growth and pest populations. Some of the more common problems that occur in agave, aloes, cacti and yuccas in Ari-zona are discussed in this bulletin. The cactus is part of the Cactaceae family, most of the species from this family originated from America. The disease spores spread from plant to plant via splashing water or wind-blown rain. The bacteria causes soft, squishy lesions in the plant where the pest then lays its eggs. Agave Cactus & Disease Anthracnose Fungus. Species such as the octopus agave do not require regular watering during their active period but watering once in a while replenishes the plant. Man has been harvesting and utilizing Agaves for approximately 9,000 years. Agave infections include Anthracnose, root and crown rot and Phyllosticta pad spot. Cactus treatments, most common diseases and pests of this flower The cactus is a succulent plant, well adapted to long droughts. In extreme cases of rot, it may be necessary to dig up the whole plant, remove all soil from the roots, prune off all crown and root rot that is present and, if there is any plant left, treat it with fungicide and replant it in a new location. Disease and pests: Agave weevil (Scyphophorus acupunctatus) will attack several agave species in the low desert of Arizona. While usually an easy plant to grow in rock gardens and hot, dry areas, agave can be susceptible to bacterial and fungal rots if exposed to too much moisture and humidity. The huge plant comprised a huge part of primitive man's diet. Despite their adaptations succulents suffer from diseases, insect pests and cultural problems. Snout weevils are the most common pests of Agave. Sean Russell has been writing since 1999 and has contributed to several magazines, including "Spin" and "Art Nouveau." © Copyright 2020 Hearst Communications, Inc. The agave snout weevil (Scyphophorus acupunctatus), also known as the sisal weevil, feeds on many species of agave and can be especially damaging to the larger species such as century plant (Agave americana) and blue agave (Agave tequilana). Agave prefer well-drained loamy soil with plenty of nutrients. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Despite their adaptations, succulents suffer from diseases, insect pests and horticultural problems. Pumice, crushed stone, or sand can be added to the soil when planting an agave to provide more drainage. In landscaping, they can be a stunning addition to rock gardens and other xeriscaping projects. Agave is the name of a genus consisting of several species. Red/orange fungal spores may also be obvious near the plant crown. Ants also like the honeydew and may 'farm' scale insects by moving young ones around. Sign up to get all the latest gardening tips! While many requirements of the agave plant are dependent upon the species, the type of soil is essentially the... Sun. These species range in size, color, structure and lifespan. Pests and disorders of Agave and Yucca spp. Spray infested plants with a broad spectrum insecticide and monitor condition until the health of the plant returns to normal. AusAgave can assist growers with selection of agave species and cultivars for specific locations. While many requirements of the agave plant are dependent upon the species, the type of soil is essentially the same. Read on to learn what you can do for agave plants with crown rot. It is important to regularly inspect your agave plant for signs of insect chewing and rot, especially if it not growing in the optimal conditions. Anthracnose fungus creates small lesions on the spiky leaves of the agave and the the crown of the... Root And Crown Rot. Abiotic (non-living) problems Abiotic problems are not caused by living organisms. The insects hide under the protective scale feeds on the plant sap and can transmit virus diseases to other plants. By noticing early stages of pest or disease attack, you may be able to prevent any lasting damage to your hedge. What Is The Agave Snout Weevil: Tips On Controlling Snout Nosed Weevils On Agave, Managing Root Rot In Agave – How To Treat Agave Root Rot, Different Agave Plants – Commonly Grown Agaves In Gardens, Different Dieffenbachia Varieties – Different Types Of Dieffenbachia, Citronella As A Houseplant – Can You Keep Mosquito Plant Citronella Indoors, Houseplant Placement – Houseplants And Where To Put Them, What Is A Green Roof: Ideas For Creating Green Roof Gardens, Cochineal Scale On Cactus – How To Treat Cochineal Scale Bugs, Scotch Pine Information – Tips For Planting Scotch Pines In Landscapes, Zone 8 Seed Starting: Learn When To Start Seeds In Zone 8, Dream Garden Improvement - Back To Nature, Propagating Houseplants 101: Tips For Propagating Plants, Sprengeri Fern Plant: Growing Houseplants As Family Heirlooms. Dealing with fig pests and diseases. Russell also worked extensively on the restoration and rejuvenation of public parks in Florida, Louisiana and Mississippi after damage from 2004-2005 hurricanes. Still, the plant does not do well near sources of high reflection, such as white colored concrete from sidewalks or mirrored materials such as windows. Although agave plants are desert plants and highly drought tolerant once established, many thrive on consistent watering throughout their lives. Agave, or century plant, is native to the deserts of Mexico and hardy in zones 8-10. Treatments of pests and diseases can be through the use of insecticides or by using more organic environmentally friendly solutions. Destroy already infected plants to prevent spread. Here are useful tips to treat diseases and pests on this plant. If caught early enough, fungal and bacterial rots can be controlled with selective pruning and treatment of fungicides such as thiophanate methyl or neem oil. Once one plant is infected, problems can spread through the entire hedge very quickly. Garden Pests Tips and Hacks Gardening Plants Succulents This mature variegated form of 'Agave americana' is vulnerable to snout weevil and sudden meltdown, as are most of its close kin. Diseases of Garlic: Various Pests Garlic can be a very easy-to-grow herb in the garden, however it is also prone to several diseases. We recognize the risks associated with insecticides and the risks certain insecticides introduce to other beneficial insects … Crown rot of agave may present itself as gray or mottled lesions or, in extreme cases, the plant’s leaves may entirely turn gray or black and shrivel right where they grow out from the crown. Scales refer to species of insects that look like flat or slightly mounded waxy, brown scales on the leaves and stems of the plant. Problems And Pests Of Agave, Aloe, Cactus And Yucca Despite their adaptations succulents suffer from diseases, insect pests and cultural problems. Additional comments: This is a very handsome small to intermediate agave that requires full protection in Phoenix in order to survive because of … Aloe vera is an herbaceous perennial in the family Liliaceae grown for its succulent leaves which have a variety of culinary and medicinal uses. Soil with a pH between 7 and 8 is suitable for agave, but once established most agave plants can handle slightly acidic soil. A hedge is a row of the same plant which means every plant in that row is vulnerable to the same pests and diseases. Pests and Diseases of Agave Pests. Despite their adaptations, succulents suffer from diseases, insect pests and cultural problems. Or it may be best to dig up the plant and replace it with a disease resistant variety. Still, the plant does not do well near sources of high... Water. 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