![]() I’m really crossing my fingers that this works!! I’m sure we’ll still have a problem with the beetles this year, but I’m hoping it will be less and less of an issue as the milky spores spread in our yard and diminish the grub population. I live in Clarksburg, so maybe the areas ruralness and development practices have caused the huge population (up until this year). beetles that hatched from neighboring areas would find their way to my trees that the j. Milky Spore Granular Grub Control: The natural bacteria in Milky Spore powder kills Japanese beetle larvae (white grubs) that live in the soil and feed on. ![]() Now, when the grubs are actively feeding, is a great time. I’ll need to get another bag to do the back yard also. Even if my milky spore application killed many larvae, surely j. popilliae) that kills Japanese beetle grubs before they can grow into ravenous adults. bag did our entire front yard and garden, which is about 1/4 of an acre (maybe?). ![]() Gabriel Organics Milky Spore Granules, and an Earthway Handheld Broadcast Spreader, set to the #5 spreading setting. For best results, you should apply the spores in Spring (March-May), Summer (Aug.), and Fall for 2 consecutive years. Just make sure you don’t inhale the dust as you spread the spores.Īs it is recommended to water the granules after they have been applied to your yard, I decided to take advantage of the coming rain yesterday to spread milky spore around our homestead. This bacteria is not harmful to birds, beneficial insects, pets or children. When the grub dies (usually between 1-3 weeks) and decomposes, billions of new spores are introduced to the soil and the process repeats. When the grubs eat the bacteria in the soil, the bacteria reproduce in the gut and eventually kill the grub from the inside out. 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 ( Paenibacillus popilliae) is a natural soil-dwelling bacteria. Milky Spore is a powder that is dusted in a checker board pattern in 4. 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. Milky Spore is considered the most outstanding microbial control of insects ever devised. Additionally, the bacteria can take over 4-5 years to build up…under ideal conditions…with a high population of Japanese beetles grubs! Wow! Over several years, the milky spore bacteria will build up in the soil and acts as a natural suppressant to grub infestations. This consistently high soil temperature rarely occurs in our region. the incidence of milky disease can be increased by application of milky spore products. 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. Skeletonization of foliage caused by Japanese beetle adults. ![]() Therefore, if you do not have a large Japanese beetle grub population, one where you would likely see damage – why bother? Milky spore bacteria, Paenibacillus popilliae (formerly known as Bacillus popilliae) infect only Japanese beetle grubs and have no effect on beneficial. 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. Milky spore is not an effective treatment for rose chafer grubs. It may take several years of milky spore applications to accumulate enough bacteria to effectively control the Japanese beetle grubs. 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. After you spread the granules on your lawn, it can take a year or more for the spore to become established in your soil. The first reason not to use milky spore is that it was manufactured to control ONLY Japanese beetle grubs. Milky spore, also called milky spore disease. Milky spore comes in a powder and consists of a bacteria. Grubs of Japanese beetles can wreak havoc on turf grass-and several natural control methods are available. A group of 1,000 adult beetles can lay 50,000 grubs each year, creating a formidable population capable of decimating turf root systems. 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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