Yes, Milky Spore Powder is safe for people, pets, and other animals. Milky Spore Powder is available online and at some garden stores. The bacteria will remain in the soil and continue to infect Japanese Beetle grubs for years to come. It can be applied with a hand spreader or a lawn spreader. Milky Spore Powder is applied to the lawn in early spring or late fall. It can take up to two years for the powder to build up enough bacteria in the soil to have a significant impact on the Japanese Beetle population.
Once infected, the grubs stop feeding and eventually die. The bacteria in the powder infects the grubs of Japanese Beetles as they feed on the roots of grasses. The powder contains a bacteria called Bacillus popilliae, which is deadly to Japanese Beetles but harmless to people, pets, and other animals. Milky Spore Powder is a biological control for Japanese Beetles. It is applied to the soil and must be watered in well.īoth of these methods are safe for use around people and pets and are considered to be environmentally friendly. Milky Spore Powder is a biological control agent containing spores of the bacterium Bacillus popilliae, which is deadly to Japanese beetle grubs. They are applied to the soil as a liquid suspension and must be kept cool and moist until ready for use. Other methods for treatment of Japanese beetle grubs in turfgrass include the use of beneficial nematodes and Milky Spore Powder.īeneficial nematodes are microscopic, soil-dwelling organisms that parasitize a wide range of soil-borne pests, including Japanese beetle grubs. Grubs of the Japanese beetle are susceptible to milky spore disease. When the beetles ingest the powder, they die, and the bacteria is spread to other beetles, eventually killing them all. The powder contains a bacteria that is deadly to the beetles, but harmless to people and animals. Yes, you should use Milky Spore Powder if you have a Japanese Beetle problem. For best results, treat your lawn in the spring and fall. You should treat 10 square feet of lawn for each teaspoon of powder. To apply Milky Spore, mix 4 tablespoons of powder with 1 gallon of water and apply the mixture to your lawn with a garden hose-end sprayer. Milky spore powder or granules have been in use for about eighty years. It can take two to three years for the powder to build up enough spores to control the grub population in an area, but once established, it will provide long-term control. Milky spore powder is most effective when applied in early spring or late summer, when the grubs are actively feeding. The infection causes the grubs to stop feeding and eventually die.
When the powder is applied to the soil, the spores germinate and infect the grubs as they feed on the roots of turfgrass and other plants. The powder is made from the spores of a soil-borne bacterium called Bacillus popilliae.
#MILKY SPORE POWDER ONLY JAPANESE BEETLES PROFESSIONAL#
It’s best to consult with a lawn care professional because without knowing insect or disease life cycles, product components, mode of action, and application method – you could be applying the wrong product, at the wrong time, for the wrong pest.Milky spore powder is a natural, biological control for Japanese beetle grubs. To summarize, even under ideal conditions, using milky spore disease to control grubs, even Japanese beetle grubs, is a serious waste of money and time. Additionally, the bacteria can take over 4-5 years to build up…under ideal conditions…with a high population of Japanese beetles grubs! Wow! This consistently high soil temperature rarely occurs in our region. The third reason not to use milky spore in NH and VT is the fact that the soil temperature must be 60-70 for three months. Therefore, if you do not have a large Japanese beetle grub population, one where you would likely see damage – why bother? Secondly, you must have sufficient numbers of Japanese beetle grubs in your lawn to promote the bacterial population enough to expand and spread out in the soil. So now you understand that even if milky spore could work, you would only be controlling one grub out of many…not good odds. Unfortunately there are many more turf damaging grubs in NH and VT including Asiatic beetles, European and masked chafers, June and May beetles and armyworms. The first reason not to use milky spore is that it was manufactured to control ONLY Japanese beetle grubs. Milky spore comes in a powder and consists of a bacteria. Milky spore has been around for decades and was the first biological disease to control Japanese beetle grubs. According to a University of New Hampshire publication on milky spore disease, there are more reasons NOT to use this product than to use it in your home lawn.
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