Health Canada Santé S ee the other two publications in the Pest Management Regulatory Agency’s (PMRA) lawn care series, Establishing a when pest problems occur. In an IPM program, pest managers use regular inspections, called monitoring, to collect the information needed to decide whether or not Weeds Weeds are any plants growing herbicides for domestic use target broadleaved weeds, so grass is not affected by them. Ask at your local home and garden store about new products that are more Chinch Bugs Chinch bugs are small insects that suck the sap from your grass, leaving yellow circular patches that become brown and larger where you don’t want them. Lawn and Lawn Maintenance, for a general action must be taken. A key idea in IPM is Besides being possibly unsightly environmentally friendly. throughout the summer. They like thatch and that it is necessary to take action against pests dry conditions, so keep your grass tall and discussion on lawn health and the prevention Pest Note Pest Note Pest Note Pest Note Pest Note Pest Note Pest Note Pest Note only when their numbers warrant it, not as a and affecting the quality and The best way to avoid weeds is to maintain well watered. and control of pest problems. quantity of your lawn or garden Common routine measure. In most cases it is only your lawn’s health through using the right necessary to suppress pest populations to non- plants, they also compete with your lawn or grasses for your yard, raising the mowing See the PMRA pest note Effective Control of Generally, lawn problems fall into one of four garden plants for resources such as water, damaging levels, not to eliminate them. If height, watering and fertilizing as needed, and Chinch Bugs for more information about categories: (1) weeds or other plants light, nutrients, and space. Common weeds in treatment is warranted, pest managers choose overseeding. Also, ensure that your lawn’s controlling these pests. competing with the grass for resources, (2) Canada include dandelions, plantains, Lawn the most appropriate combination of control moisture levels are adequate when treating it insects feeding on the grass, (3) diseases of chickweed, smooth crabgrass, creeping measures for the site. You can use these to avoid any unnecessary stress on it. Webworms the plants or soil, and (4) animals digging up Charlie, ground ivy, burdock, hawkweed, principles in controlling pests around your Sod webworms are the larval stage of a moth. your lawn to build homes or feed on insects thistles, lamb’s quarter, heal-all, creeping yard and home. One no-cost, no effort alternative to weed They are brown, green, or grey with darker under the grass. Most of these are usually speedwell, creeping buttercup, creeping Problems control is that of developing a certain level of heads and they feed on your grass at the base present in your lawn, but can easily become knotweed, bindweed, and knapweed. Many beneficial organisms that might be tolerance for some weeds in your yard. of the stem. One sign that you may have this pests if conditions change to favour their confused for more harmful ones live in your pest is yellow patches on your lawn that get increase. Your lawn may have other problems Removing weeds by hand (or a as well, such as dead or brown patches. In yard, so for anything that might be a pest, be sure to identify the species accurately. Your combination of garden tools) is Insects larger throughout the summer. Another sign you may notice is birds feeding on your lawn. most cases, these can be resolved easily using the surest way to control them local garden centre may be able to help you Sod webworms live in tunnels in the soil cultural methods, as discussed in Lawn without using chemical Ants and there are many good information sources during the day, but you can see them at night Maintenance. herbicides. This can be important if you have Ants are generally beneficial insects, getting on the web. Also, learn as much as possible if you go out with a flashlight. They like about its life cycle and its preferred hosts. any sensitive plants or a vegetable garden most of their food from scavenging other thatch, so remove any from your lawn, aerate There are several pest notes available from nearby or if children or pets use your insects and decaying material. The most the soil, and seed any bare or thin grass areas. the PMRA that deal directly with specific Chemical pesticides are available for property. Another chemical-free method you common problem with them in your lawn pests of your lawn, for example, ants, chinch controlling pest populations and include can try is to put a layer of mulch (5–7 cm or is unsightly mounds, especially White Grubs bugs, moles and voles, and white grubs. herbicides for plants, insecticides for insects, 2–3" thick) on top of the lawn or soil. The if you have sandy soil. They can White grubs are the larval Contact the Information Service at and fungicides for various diseases. They mulch might include grass clippings, also be a problem if you want to stage of several beetles, in 1-800-267-6315 or download the notes from have specific use instructions for certain shredded newspaper, sawdust, and plastic. use your lawn, for example, for a picnic Canada most commonly the the web site at www.hc-sc.gc.ca/pmra-arla. species and conditions, so check the labels if or children’s games. June bug or beetle. They are you’re purchasing any products or contact Weeds can be most invasive in newly-seeded whitish with brown heads and Pest Management your local lawn care company. Non-chemical lawns, where the grass has not yet established See the PMRA pest note Effective Control of are usually C-shaped. They alternatives are available for most lawn pests itself vigorously. Wait until your new grass Ants for more information about controlling feed on the roots of many plants, but prefer and cultural practices help to eliminate most has been mowed at least a couple of times if these pests. the fibrous roots of grass. If your lawn has Integrated pest management or IPM is a problems. You can also use a pesticide in a you decide to treat it with a herbicide. irregular brown patches, try lifting a section. process for planning and managing sites to limited area, for example, spot-spraying an Herbicides applied incorrectly can kill the If it can be lifted in one piece, you will prevent pest problems and for making infested patch instead of treating the entire plants you’re trying to keep. Fortunately, most July 2000 decisions about when and how to intervene lawn. probably see grubs underneath. See the PMRA pest note Effective Control of Mushrooms Animals Remember In Case of Accidental Poisoning White Grubs for more information about Mushrooms are indicators that ä Call a poison control centre immediately and controlling these pests, both in the grub and something is decaying in your seek medical attention. Moles and Voles Before Purchasing a Pesticide adult stages. lawn, such as an old tree. They ä Take the pesticide container or label with you Moles are small grey animals that tunnel just Product to the emergency facility or physician. will usually disappear if you pick ä Identify the pest correctly. under the surface of your grass, cutting ä Follow first aid statements on the label. Diseases them or break them apart. through the root layer and leaving roots ä Use physical control methods and alternatives to pesticides. ä In case of accidental poisoning exposed to dry out and die. While generally of pets seek veterinary attention Powdery Mildew ä Read the label directions and safety precautions immediately. Diseases are commonly caused by poor lawn Mildew forms in cooler, more shaded areas beneficial to lawns because they eat many before buying the product. The label must include Mildew forms in cooler, more shaded areas and looks like grey powder on the lawn. If insects and larvae, their tunnels damage the the name of the pest to be controlled and the appearance and physical stability of your When Disposing of Pesticides and looks like grey powder on the lawn. If you have mildew and can do nothing about treatment location (e.g., indoor, outdoor, garden Do not reuse empty pesticide containers. Wrap you have mildew and can do nothing about the shade or temperature in your yard, you lawn. The moles can also spread lawn uses, pet treatment). and dispose of in household garbage. the shade or temperature in your yard, you may want to plant some alternative ground diseases from one area of your yard to another ä Purchase only the quantity of product needed may want to plant some alternative ground through their activities and their tunnels are for the treatment. covers that thrive in those conditions, such as Unused or partially used pesticide products should covers that thrive in those conditions, such as used by other small creatures, including voles. ä Alternatively, you may choose to hire a periwinkle, lily of the valley, hostas, or be disposed of at provincially or municipally periwinkle, lily of the valley, hostas, or licensed pest control operator. designated household hazardous waste disposal creeping juniper. creeping juniper. Voles, or field mice, will actually feed on sites. your plant roots, and gain access to them When Using a Pesticide Pythium Blight ä Carefully read all label instructions and Fairy Ring Pythium blight appears as small reddish- frequently by the mole tunnels discussed Use Common Sense precautions before using pesticides. ä These are general recommendations. Fairy rings are circular patches of dead grass brown patches on your lawn, and may spread above. ä Do not drink, eat or smoke while applying ä Consult the label for specific instructions. that are surrounded by a dark green ring. very quickly in hot, humid weather and along pesticides. These usually appear in older lawns and are See the PMRA pest note Effective Control of ä When in doubt, contact a professional. drainage routes. Grass areas that are poorly ä Persons and pets should vacate the area during caused by a fungal infection. They can be drained or in high traffic areas are particularly Moles and Voles (Field Mice) for further treatment. Cover or remove aquaria. difficult to eliminate. If you want to try to do susceptible to this disease. Keep your soil information about managing these pests. ä If kitchen area is to be treated, cover or remove so, use a pitchfork or other spiked garden tool aerated, water the lawn early in the day, re- food, dishes and utensils. Pest Management Regulatory Agency to punch holes in the rings, starting outside seed or re-sod any bare or thin patches, and Racoons and Skunks 2250 Riverside Drive the entire ring and working inwards. Be sure Racoons and skunks are generally digging up to wipe the spikes with rubbing alcohol after use resistant grass varieties. your lawn for white grubs and other insects, After Handling a Pesticide ä Always wash your hands thoroughly after Ottawa ON K1A 0K9 you’ve finished to prevent transferring the so once you’ve eliminated those pest handling any pesticide product. Fusarium blight, dollar spot, and brown patch Pest Management Information Service disease to other areas of your yard. Once problems you should not see them bothering ä Do not permit persons or pets to contact treated are other diseases that affect the health of Telephone: 1-800-267-6315 you’ve punched all the holes, fill them with your grass much. surfaces until residue has dried completely. soapy water every day for a week, then with your lawn. As with all lawn diseases, these ä Provide adequate ventilation of treated areas From outside Canada: (613) 736-3799* can be difficult to identify, so call your local *Long distance charges apply. clean water every day for the next 2 months. after use. lawn care company for help if you’re not sure ä Wipe clean all surfaces that comes in direct Fax: (613) 736-3798 before treating for a specific problem. contact with food, such as counters, tables and Internet: www.hc-sc.gc.ca/pmra-arla stovetops, including indoor and outdoor surfaces. ä Always store pesticides out of reach of children and pets and away from food and beverages. Some photographs courtesy of the Kansas Dept. of Agriculture, Plant Protection and Weed Control Program.
Pages to are hidden for
"Common Lawn Problems"Please download to view full document