Nematodes for grubs - Learn how nematodes, microscopic worms that live in soil and water, can help control grubs in lawns by killing them with bacteria. Find out the best species of nematodes for different types of grubs, when and how to apply them, and the benefits of using them over chemical pesticides. See more

 
Nematodes prey on the larval stage of most insects, so you must learn when larvae are present. On the lawn, grubs usually appear and feed on roots during the late summer and early fall. Apply nematodes at dawn or dusk, because high levels of ultraviolet rays from the sun can kill them.. Pyjamas vs pajamas

1 Mar 2023 ... Parasitic nematodes are tiny, parasitic worms that are not harmful to humans, animals, or plants. These occur naturally and can be purchased ...1. Lawn Damage. One of the most common signs of grub damage is the presence of brown or yellow patches on the turf. These discolored areas are often irregular in shape and can spread if grubs continue feeding on the grassroots. You can try the tug test to determine if white grubs are the culprit behind your lawn damage. Chafer Grubs, their lifecycle and when to treat them with nematodes. Chafer grubs are creamy coloured, about 15mm (0.6”) in length with distinct legs (unlike vine weevils). Chafer beetles emerge from lawns and lay eggs, which hatch into grubs feeding. They burrow deeper for winter and lie dormant before surfacing in spring to emerge as beetles. Writers, editors and producers at the personal finance magazine MONEY share the best financial advice they learned from their moms. By clicking "TRY IT", I agree to receive newslet...The control of white grub (Coleoptera: Scarabaeidae) pests of sugarcane and forest plantations is difficult due to their cryptic nature and resistance to chemicals. This study evaluated the potential use of entomopathogenic nematodes (EPNs) as an alternative control method. Laboratory bioassays were performed with 12 locally isolated EPN …For the effective control of Japanese beetle grubs and pupae, apply beneficial entomopathogenic nematodes, H. bacteriophora and/ or S. carpocapsae at the rate of 23000 nematodes per square foot area to the soil surface or thatch layer using either water cans (Photo 6) or traditional knapsack sprayers. The beneficial nematodes are generally ...Place the entire sponge in a bucket add two quarts of water, squeeze sponge for a few minutes to get the nematodes out of the sponge. Discard the sponge and pour the bucket of water into a sprayer or watering can. Add another gallon of water to dilute the nematodes and to make up the volume for your sprayer. The 10 Mil.The Best Months to Apply Nematodes. By looking at the above life cycle, it’s clear that the best time to apply beneficial nematodes to control the Japanese beetles is in early October when the third instar grubs start moving deeper into the soil to the overwintering sites. However, this ranges depending on the life cycle of the insect.Use Nemassist® nematodes for the treatment of all species of destructive curl grubs/scarabs in lawns, garden beds, and potted plants. (aka white grub, C grub, curl grub, scarab larvae, cockchafer lar. Add to Cart. $44. Featured. Nemassist Black Vine Weevil Treatment - 35 Million.Place the entire sponge in a bucket add two quarts of water, squeeze sponge for a few minutes to get the nematodes out of the sponge. Discard the sponge and pour the bucket of water into a sprayer or watering can. Add another gallon of water to dilute the nematodes and to make up the volume for your sprayer. The 10 Mil.Using Beneficial Nematodes for Grub Control. Nematode Biology. Nematodes are microscopic, non-segmented worms which occur naturally in soil all over the world. …Zero to five grubs: Normal and the homeowner can let the yard be Five to 10 grubs: An issue may be starting and homeowners should develop a plan 10-plus grubs: An infestation that homeowners ...Find many great new & used options and get the best deals for NaturesGoodGuys Live Beneficial Nematodes 15 Million Soil Pest Control at the best online prices at eBay! Free shipping for many products! ... item 2 15 Million Beneficial Nematodes HB+SC - Targets Grubs, fleas & 200+ Soil Pests 15 Million Beneficial Nematodes HB+SC - Targets Grubs ...Grub killers come in the form of a species of nematodes called Heterorhabditis bacteriophora that can target and control larvae. Nematodes are safe to use around children, pets, and wildlife. 'Nematodes are available by mail order and arrive in small parcels,' says Ruth Hayes, gardening editor for Amateur …Nemasys Chafer Grub Killer is a chafer grub treatment containing Heterorhabditis bacteriophora a species of nematodes which controls infestations of chafer beetle larvae naturally, safely, and effectively. Use Nemasys Chafer Grub Killer to deal with a chafer grub infestation, without any of the precautions associated with chemical use and the ...A Pin Unlock Key (PUK) is a code assigned to your cell phone's SIM card by your service provider. If you have entered an incorrect pin, the phone will lock and prompt you to enter ...Japanese beetles and northern masked chafer grubs are the predominant damaging white grub species associated with home lawns. Several other white grub species including Asiatic garden beetle, European chafer, green June beetle, May and June beetles, and Oriental beetle are occasionally observed in home lawns and may cause …Nematodes for chafer grubs. Chafer grubs are the larvae of chafer beetles, including summer chafers (Amphimallon solstitiale), cockchafers (Melolontha melolontha) and flower chafers (Cetoniinae). They can cause extensive damage to lawns if they multiply en masse. It can sometimes take years to completely and …If you have income that doesn't automatically have sufficient taxes withheld from it, like self-employment or investment income, you might have to make quarterly estimated tax paym...Beneficial nematodes are natural predators of many types of insects and other pest species, making them an effective biological control option for controlling pest populations. They are safe for use around humans, pets, and beneficial insects such as bees, making them a more environmentally friendly option compared to chemical pesticides.Grubs, which are the larval, or immature, stage of several species of beetles and chafers, damage a lawn by feeding on the grass roots. Healthier grass can tolerate …22 Apr 2019 ... They will multiply over time and continue to kill grubs. They have nematodes that seek and destroy flea larvae too. Here's what one reader says ...Apr 16, 2015 · Beneficial nematodes are microscopic creatures that come in a powdered form and are mixed with water and applied to the lawn via a hose-end sprayer. Two yearly applications spaced seven to 10 days apart are all that are necessary for safe, season-long grub control. Because the nematodes do not survive the winter, you’ll have to reapply each ... Nematodes (tiny, microscopic roundworms) can also be applied to control grubs. They should be applied when the grubs are young and not overpopulated. It is best to do so in late summer or early fall.Amazon.com : NaturesGoodGuys Live Beneficial Nematodes - 15 Million Hb+Sc+Sf - Kills Over 200 Different Species of Soil Dwelling and Wood Boring Insects. : Patio, Lawn & Garden ... Last spring/summer I also had lots of white grubs in the soil. I spent a lot of time in the yard preparing new flower beds and found dozens of grubs every time I dug ...For the effective control of Japanese beetle grubs and pupae, apply beneficial entomopathogenic nematodes, H. bacteriophora and/ or S. carpocapsae at the rate of 23000 nematodes per square foot area to the soil surface or thatch layer using either water cans (Photo 6) or traditional knapsack sprayers. The beneficial nematodes are generally ...Using Beneficial Nematodes for Grub Control. Nematode Biology. Nematodes are microscopic, non-segmented worms which occur naturally in soil all over the world. …“Heterorhabditis bacteriophora (Hb) nematodes are most effective against Japanese beetles, European chafers, and other grubs that are lawn pests. They are more efficient than the Steinernemacarpocapsae. Nematodes are shipped in the infectious juvenile stage of their life cycle and can be stored unopened in the refrigerator for up to 2 …Aug 30, 2023 · When the nematode infects the grub, the bacteria kill the grub with the nematodes’ help, allowing both nematode and bacteria to feed and reproduce. Em Ford displays the label for “NemaSeek Beneficial Nematodes,” which the University has purchased to deal with Japanese beetle grubs. The oral anticoagulants available in the UK are warfarin, acenocoumarol, phenindione, dabigatran etexilate and rivaroxabanand apixaban. Try our Symptom Checker Got any other sympto...Nematodes (tiny, microscopic roundworms) can also be applied to control grubs. They should be applied when the grubs are young and not overpopulated. It is best to do so in late summer or early fall. A second application is highly recommended. Be sure to do your research about the proper way to prepare and apply nematodes for grub control.Past October the grubs burrow deeper into the soil where they're harder for the nematodes to find and kill them. So there you have it. Get rid of those gross grubs that gorge on your grass. Grimmediately. One package of Nematodes like this costs $25 and will treat 2,000 - 4,000 square feet of lawn.If you have root knot nematodes in your garden, it is usually a symptom of the soil’s condition, and shows an imbalance in soil biology. Nematodes usually live in the top 30cms of soil, and eggs can survive for a few months in fallow ground. However if you plant in a crop which the nematode’s don’t feed on, and leave it for some months ...The nematode H. bacteriophora provided limited root protection and grub control, whereas S. carpocapsae did not provide effective control. Differences in efficacy and persistence of the two entomopathogenic nematode species can be attributed to the biology and environmental preferences of these organisms.Get ratings and reviews for the top 12 window companies in Paradise, NV. Helping you find the best window companies for the job. Expert Advice On Improving Your Home All Projects F...They kill the vine weevil grubs by penetrating their bodies and releasing lethal bacteria. They are supplied in a concentrated form and have to be mixed with water to be activated. The soil or compost also needs to be kept moist for a fortnight after applying the nematodes. You can also buy traps for adult vine weevils which contain nematodes.Nematodes for chafer grubs. Chafer grubs are the larvae of chafer beetles, including summer chafers (Amphimallon solstitiale), cockchafers (Melolontha melolontha) and flower chafers (Cetoniinae). They can cause extensive damage to lawns if they multiply en masse. It can sometimes take years to completely and … Flea Destroyer Holistic Outdoor Flea/Fire Ant Control 10 Million Beneficial Nematodes Safe for Every Pet, Elderly, Newborn, Dogs and Cats - Steinernema Feltiae (SF) & Steinernema Carpocapsae (SC) 11. $5999 ($3.75/Ounce) FREE delivery Jan 18 - 22. Small Business. Lawn Guardian Hunts down and Kills Grubs! 100% Safe for people, pets, plants and even earthworms. Treats 2000-3000 sq. ft ( 180-270 sq.m) Beneficial Nematodes are organic microscopic worms that when applied to moist soil, seek out and kill pest larva such as grubs. Apply in spring when soil temperature is above 10 degrees …Writers, editors and producers at the personal finance magazine MONEY share the best financial advice they learned from their moms. By clicking "TRY IT", I agree to receive newslet...Nemasys Leatherjacket Killer Programme - (Spring 250sq.m and Autumn 500sq.m) £154.99 (VAT incl.) (9) ONE PACK SENT IN SPRING - SECOND PACK SENT IN AUTUMN. (Please note spring application must be made at double strength) Pre-order for delivery w/c 8th April 2024 and 9th September 2024. Add to basket.Once the nematodes find a grub, they enter the grub’s body cavity via natural openings such as the mouth, anus or spiracles and release the symbiotic bacteria from their gut into the grub’s blood. In the grub’s blood, the multiplying nematode-bacterium complex causes septicemia and usually kills the grubs within 48 hours after infection.A company or product's profit margins are important to businesses and investors. Understand how they're defined and calculated, and why they matter. Calculators Helpful Guides Comp...When the nematode infects the grub, the bacteria kill the grub with the nematodes’ help, allowing both nematode and bacteria to feed and reproduce. Em Ford displays the label for “NemaSeek Beneficial Nematodes,” which the University has purchased to deal with Japanese beetle grubs. (Photo by Dan …Jun 9, 2021 · The pest grubs will move higher in the soil when it is wet – so it will be easier for the nematodes to attack them. Watering will lower the soil temperature. If the nematodes are trapped in tight thatch, watering may help them move down through the thatch. Next, let’s take a look at the insect pests that these organisms target. Nematode Prey How to Apply Beneficial Nematodes for Natural Grub Control. Beneficial Nematodes for Grub Control are easy to apply. A hose end sprayer is probably the preferred method of application. The nematodes come in a powder and you add the powder to some water in your hose end sprayer, shake it up, and apply it over the area …In today’s fast-paced world, meal delivery services have become a popular option for those who are busy and always on the go. One of the most well-known meal delivery services is G... The nematode is naturally occurring and mass reared. For destructive scarab/curl grub we recommend Heterorhabditis zealandica. These natural predators won’t harm people, pets, plants or beneficial insects. Apply at a rate of 15 Million nematodes per 100 - 125 m2. All scarab curl grubs are best treated when the larvae are visible. Also commonly called grubs, lawn grubs, white grubs, or turf grubs, these critters feed on the roots of lawn grass and can cause significant damage if there are a lot of them …For the effective control of Japanese beetle grubs and/or pupae, beneficial entomopathogenic nematodes like H. bacteriophora and S. carpocapsae should be applied at the rate 23000 nematodes per square foot area to the soil surface or thatch layer using water cans or traditional knapsack sprayers. When beneficial nematodes should be …Chafer Grub Killer Nematodes. £13.39 - £127.50 (ex.VAT) Our Chafer Grub Killer Nematodes contain the nematode; Heterohabditis bacteriophora. These nematodes will enter the Chafer Grub via a natural opening, like the mouth and kill the pest. A …Fight grubs naturally with beneficial nematodes, naturally occurring microscopic worms that prey on grubs. An enemy of my enemy is my friend!White grubs and EPNs have been armed in this battle by a multifaceted range of mechanisms, namely grub structural and physiological barriers, antagonism of grub gut microbiota toward the nematode ...The 3 main types of beneficial nematodes are: Heterohabditis bacteriophora (Hb), Steinernema feltiae (Sf), and Steinernema carpocapsae (Sc). Each one of these nematodes hunt down and destroy different types of pests that lurk in your soil. I have compiled an individual list for each of these types of …Chafer grubs. If your lawn has yellow patches and looks like it has been dug up, chances are you have chafer grubs. The damage comes from the birds, foxes and badgers who dig for these tasty morsels. The grubs can be controlled by the nematode Heterorhabitis bacteriophora, one of the oldest known and best of the insect parasitic nematodes. It ... Beneficial nematodes serve as a natural and eco-friendly alternative to chemical pesticides. They effectively combat various pest insects, including grubs, weevils, and root maggots, among others. Additionally, beneficial nematodes are utilized in managing soil-borne diseases caused by fungi, bacteria, and other pathogens. “Heterorhabditis bacteriophora (Hb) nematodes are most effective against Japanese beetles, European chafers, and other grubs that are lawn pests. They are more efficient than the Steinernemacarpocapsae. Nematodes are shipped in the infectious juvenile stage of their life cycle and can be stored unopened in the refrigerator for up to 2 …The control of white grub (Coleoptera: Scarabaeidae) pests of sugarcane and forest plantations is difficult due to their cryptic nature and resistance to chemicals. This study evaluated the potential use of entomopathogenic nematodes (EPNs) as an alternative control method. Laboratory bioassays were performed with 12 locally isolated EPN … The best grub worm control: Beneficial nematodes (species Heterorhabditis bacteriophora) Beneficial nematodes are microscopic predators of all four species of grub worms. Applied in late spring when the soil temperature is above 60 degrees F, these minuscule worm-like creatures seek out and kill grubs throughout the growing season. Beneficial Nematodes Kill Grubs in Lawns. Spraying beneficial nematodes on grass can eliminate beetle grubs from lawns naturally. Nematodes are tiny parasitic worms that invade the bodies of white grubs. They then release bacteria that infect and kill the grass-destroying grubs. Using nematodes for …It’s pretty normal for grubs to eat the roots of your vegetables, and even though you might think “oh, it’s just one plant”, those grub holes can damage your veggie plants pretty severely. One natural solution is to use the naturally occurring nematode Heterorhabditis bacteriophora , which are microscopic in size and invades grubs.White grubs (the larvae of various scarab beetles) are common pests of turf in the Northeast. Four species of grubs often cause problems in New England: the European chafer (Rhizotrogus majalis), the Japanese beetle (Popillia japonica), the oriental beetle (Exomala orientalis), and the Asiatic garden beetle (Maladera castanea).The life cycle of …Fungus gnat. Japanese beetle. Common turf grubs. Black vine weevil. Kiyyah / Getty Images. How to Use Nematodes for Pest Control. The most important information when considering applying …Simply mix neem oil with water (always following the label directions), and spray the diluted solution on affected areas around the garden. 5. Dethatch and aerate. A core aerator being used to ... How to Apply Beneficial Nematodes for Natural Grub Control. Beneficial Nematodes for Grub Control are easy to apply. A hose end sprayer is probably the preferred method of application. The nematodes come in a powder and you add the powder to some water in your hose end sprayer, shake it up, and apply it over the area you'd like to treat, until ... Two college students have launched a private campus tour business that gives prospective students a personalized view of life on campus. By clicking "TRY IT", I agree to receive ne...Feb 19, 2024 · Alternatively, if the grub infestation is part of a larger pest control problem, we recommend Terminix and Orkin for your pest control needs. Though they don’t offer fertilizer or other lawn treatments, they can eradicate grubs to keep your yard pest-free. Best for Termite Control. 4.7/5. 866-569-4035 Get Quote. Beneficial nematodes are rightfully deemed beneficial because they target pest types that we don’t want to encounter such as insect larvae, caterpillars, white grubs, and more. One application of nematodes will make a dent in pest populations if the conditions are right: the soil moist, not too cold or too hot, etcetera.White grubs (the larvae of various scarab beetles) are common pests of turf in the Northeast. Four species of grubs often cause problems in New England: the European chafer (Rhizotrogus majalis), the Japanese beetle (Popillia japonica), the oriental beetle (Exomala orientalis), and the Asiatic garden beetle (Maladera castanea).The life cycle of … pests in the soil. Beneficial nematodes have been shown to be as much as 96% effective against Japanese beetle grubs in field studies. Nematode Use Guide Although many species of beneficial nematodes are available, Heterorhabditis bacteriophora (Hb) nematodes are most effective against Japanese beetles, European chafers and other grubs that are ... Unlike bacteria that must be discovered and consumed by grubs, nematodes actively seek out grubs. Within 2 weeks of using this product by Bug Sales, the grub population will rapidly reduce. Fight grubs naturally with beneficial nematodes, naturally occurring microscopic worms that prey on grubs. The control of white grub (Coleoptera: Scarabaeidae) pests of sugarcane and forest plantations is difficult due to their cryptic nature and resistance to chemicals. This study evaluated the potential use of entomopathogenic nematodes (EPNs) as an alternative control method. Laboratory bioassays were performed with 12 locally isolated EPN …Jun 9, 2021 · The pest grubs will move higher in the soil when it is wet – so it will be easier for the nematodes to attack them. Watering will lower the soil temperature. If the nematodes are trapped in tight thatch, watering may help them move down through the thatch. Next, let’s take a look at the insect pests that these organisms target. Nematode Prey Raccoons dig lawns to feed on the grubs in your lawn. The most effective method to stop raccoons from digging is to reduce the number of grubs in the soil. Beneficial nematodes will kill the larvae of cockchafer beetles, ants, fleas, moths, beetles, flies, weevils, and other pests that raccoons feed on. My friend contacted me as their garden ...Brand: NaturesGoodGuys. 4.3 761 ratings. 50+ bought in past month. $3030. Package Contains 30 million Live Nematodes. Triple Blend Beneficial Nematodes HB+SC+SF. Release Rate: up to 9,000 Sq.Ft. Guaranteed Fresh and Alive! Can be use around Animal, Pets and Plants.They kill the vine weevil grubs by penetrating their bodies and releasing lethal bacteria. They are supplied in a concentrated form and have to be mixed with water to be activated. The soil or compost also needs to be kept moist for a fortnight after applying the nematodes. You can also buy traps for adult vine weevils which contain nematodes.Grubs are a type of beetle larva that can cause extensive damage to your lawn. They feed on the roots of grass and other plants, leaving your lawn looking patchy and unhealthy. If ...The nematodes that develop within the grub will reproduce and newly produced nematodes may move into the soil and infect other grubs. However, numbers of the nematodes will normally greatly decline over time and will likely produce little, if any, observable effects on grub numbers in the year after application. ...Grubs are one of the hardest lawn pests to deal with. Grubs are white or yellowish and have fleshy, wrinkled, C-shaped bodies with tan or brown heads and six spiny legs. They are quite small when they hatch, but when fully grown are from 2 to 4 cm (.75 to 1.5 inches), depending on the species. The most common white grubs … Nematode Biology. Nematodes are microscopic, non-segmented worms which occur naturally in soil all over the world. Thousands of strains exist with different lifestyles. Beneficial nematodes attack only soil-dwelling insects and leave plants alone. Beneficial nematodes and the bacteria they spread are not known to be harmful to humans, animals ... Place the entire sponge in a bucket add two quarts of water, squeeze sponge for a few minutes to get the nematodes out of the sponge. Discard the sponge and pour the bucket of water into a sprayer or watering can. Add another gallon of water to dilute the nematodes and to make up the volume for your sprayer. The 10 Mil.They kill the vine weevil grubs by penetrating their bodies and releasing lethal bacteria. They are supplied in a concentrated form and have to be mixed with water to be activated. The soil or compost also needs to be kept moist for a fortnight after applying the nematodes. You can also buy traps for adult vine weevils which contain nematodes.When it comes to maintaining a lush and healthy lawn, one of the challenges many homeowners face is dealing with pesky grubs. These white, C-shaped larvae of various beetles can wr...

Beneficial Nematodes are insect parasitic roundworms adapted to parasitize an extensive number of pest insect species. Nematodes are available in three species: Heterorhabditis bacteriophora (grub/beetle control), Steinernema carpocapsae (flea control), and Steinernema feltiae (fungus gnat/thrips control). Choose the correct species for control of …. Dining in missoula

nematodes for grubs

Parasitic Nematodes. Nematodes are microscopic worms present in the soil. While some species can be pests, the heterorhabditis bacteriophora nematode carries a bacterium that will kill Japanese beetle grubs. Using nematodes to kill grubs is an effective, although finicky, solution to Japanese beetle infestations.Grub killers come in the form of a species of nematodes called Heterorhabditis bacteriophora that can target and control larvae. Nematodes are safe to use around children, pets, and wildlife. 'Nematodes are available by mail order and arrive in small parcels,' says Ruth Hayes, gardening editor for Amateur …Beneficial nematodes are natural predators of many types of insects and other pest species, making them an effective biological control option for controlling pest populations. They are safe for use around humans, pets, and beneficial insects such as bees, making them a more environmentally friendly option compared to chemical pesticides.Beneficial nematodes are natural predators of many types of insects and other pest species, making them an effective biological control option for controlling pest populations. They are safe for use around humans, pets, and beneficial insects such as bees, making them a more environmentally friendly option compared to chemical pesticides.Buy nematodes on Amazon. Answer 2: A naturally occurring pathogen, milky spore disease ( Bacillus popilliae ), affects beetle larvae and will kill grubs without harming you or your garden, but it can take one to three years to become fully effective. While you wait for the milky spore to become effective, try beneficial nematodes.White grubs are major pests of turfgrass and ornamental plants. Chemical control options are becoming more and more limited. Entomopathogenic nematodes are environmentally safe and IPM compatible but their performance against white grubs has been variable, probably in good part be due to large differences in nematode …Flea Destroyer Holistic Outdoor Flea/Fire Ant Control 10 Million Beneficial Nematodes Safe for Every Pet, Elderly, Newborn, Dogs and Cats - Steinernema Feltiae (SF) & Steinernema Carpocapsae (SC) 11. $5999 ($3.75/Ounce) FREE delivery Jan 18 - 22. Small Business.The best grub worm control: Beneficial nematodes (species Heterorhabditis bacteriophora) Beneficial nematodes are microscopic predators of all four species of grub worms. Applied in late spring when the soil temperature is above 60 degrees F, these minuscule worm-like creatures seek out and kill grubs throughout the …Access the American Heart Association's archive of the Vascular Discovery conference. Explore the latest research and advances in cardiovascular medicine. 2022 Archive May 11 – 14,...If you have a lush and well-maintained lawn, you know how frustrating it can be to discover patches of dead grass caused by grub infestations. Grubs are the larvae of beetles and c...Amazon.com : NaturesGoodGuys Live Beneficial Nematodes - 15 Million Hb+Sc+Sf - Kills Over 200 Different Species of Soil Dwelling and Wood Boring Insects. : Patio, Lawn & Garden ... Last spring/summer I also had lots of white grubs in the soil. I spent a lot of time in the yard preparing new flower beds and found dozens of grubs every time I dug ...The Nematodes are effective against grubs and the larval or grub stage of Japanese Beetles, Northern Masked Chafer, European Chafer, Rose Chafer, Fly larvae, Oriental …Buy nematodes on Amazon. Answer 2: A naturally occurring pathogen, milky spore disease ( Bacillus popilliae ), affects beetle larvae and will kill grubs without harming you or your garden, but it can take one to three years to become fully effective. While you wait for the milky spore to become effective, try beneficial nematodes.House wrap is one of the most important features of modern construction. House wrap is a fabric made from polyethylene fibers designed to protect a Expert Advice On Improving Your ...The objective is to overwhelm the pest grubs with an abundance of nematodes. You will apply the nematodes by spraying a liquid solution of them. First, estimate the square footage of your brown patches and round up. Experts say that for 200 square feet of brown patches, you will need 5 million nematodes..

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