In 1886 it was first used in California to control San Jose scale. DO NOT apply during growing period to Apricots, Peaches or other Sulfur sensitive plants. Here is a link that might be useful: EPA decision on Lime Sulfur. We never smell it because we use the full duty chemical respirators that we also use for paint stripping and digging into walls where critters have lived for decades (old house renovators know not to breath that cr*p). Bosworth, & C.C. See the Material Safety Data Sheet for this product. In horticulture, lime sulfur (British spelling lime sulphur) is mainly a mixture of calcium polysulfides and thiosulfate (plus other reaction by-products as sulfite and sulfate) formed by reacting calcium hydroxide with elemental sulfur, used in pest control. It was recommended to me at the own root rose nursery where I have bought almost all of my roses, and it seems reasonably inoffensive. However, in recent years they have been closely scrutinized on toxicological grounds and their use is now restricted in some countries. die App nutzen, stimmen Sie der Verwendung von Cookies und von ähnlichen Verfahren der Houzz Gruppe zur Verbesserung der Produkte, Dienstleistungen, zur Darstellung von relevanten Inhalten und um das Nutzererlebnis anzupassen, zu. The alkylenebisidithiocarbamates (EBDCs), e.g., mancozeb, became commercially viable in the 1960s and are essentially surface-acting protectant fungicides. Lime sulfur is not extremely flammable but combustion produces highly irritating sulfur dioxide gas. Eat Carob instead! I talked to a very nice customer service representative at Bonide who informed me that it has been banned by the EPA and it is illegal to manufacture it in the U.S. What should I use instead? I tied a bandana over my nose while spraying it and still got quite a bit of lung irritation. Bonsai enthusiasts use undiluted lime sulfur to bleach, sterilise, and preserve deadwood on bonsai trees while giving an aged look. Copper-based … The price after dilution is similar. Wear rubber gloves so your hands won't stink and wear eye protection, especially when diluting the concentrate. As best I can determine, the facts are these: A congressional act of 1988 required the EPA to review and consider for reregistraion all pesticides, including lime sulfur, registered before 1984. EPA Reg. It has a wider spectrum. (2006) wrote the lime sulfur reaction in various ways depending on the degree of polymerisation of calcium polysulfides, but the following reaction is probably the simplest of their series: They also managed to successfully control this reaction to achieve the conversion of elemental sulfur in a quasi pure solution of calcium thiosulfate. So I don't use it. In 2005, lime sulfur was approved for reregistration (see link, below). Yes, copper fungicide might be more effective than lime sulfur anyway. A New York State Agricultural Experiment Station recipe for the concentrate is 80 lb. It is very caustic (pH = 11+) and could cause blindness if the concentrate was splashed into the eye. However, lime sulfur has seen a decline in popularity due to the extensiveness of its application. Neither are persistent, and are therefore safe when used properly. I don't bother with dormant sprays either.But, I hope you get this situation sorted and find outwhat the real facts are on this subject.Others would probably like to know. I have included this link for your information. Lime sulfur is also used to treat fungal diseases of ornamental plants like: Roses; Dogwoods; Ninebark; Phlox; Rudbeckia; Additionally, lime sulfur can be an effective treatment for certain pests. I was also told by a Bonide representative a few days ago that the EPA was not allowing them to sell lime sulfur.....so I have to wonder if that is not the real story....and if so, why am I not hearing more about it. "Chemical Investigation of Best Conditions for Making the Lime-Sulfur Wash." L.L. I sprayed my roses before I covered them with manzate. There should be no freezing temp for at least 24 hours and growth should not be started. Gloves, goggles, face masks and protective clothing must be worn as the pesticide is very irritating to the eyes, skin and respiratory passages. If calcium hydroxide (builders or hydrated lime) is used, an increase by 1/3 or more (to 115 g/L or more) might be used with the 192 g/L of sulfur. It can be prepared by boiling in water a suspension of poorly soluble calcium hydroxide (lime) and solid sulfur together with a small amount of surfactant to facilitate the dispersion of these solids in water. The only alternative for the above applications mentioned in the leaflet is thiophanate-methyl (Halt), but its manufacturer's web site cautions against its use on fruit trees. Meanwhile, it is a good first order approximation and it usefully highlights the overall lime sulfur reaction scheme because the chemistry of reduced or partially oxidized forms of sulfur is particularly complex and all the intermediate steps or involved mechanisms are hard to unravel. The exact chemical reaction leading to the synthesis of lime sulfur is poorly known and is generally written as: A mass of hot water will retain its heat for the time it takes you to spray it and as the aerosol passes through the air it will cool before it hits its target. It is massed produced by one of the largest chemical companies in the world. I don't think this is correct information. However, elemental sulfur can undergo a disproportionation reaction, also called dismutation. Avoid using lime that is less than 90% pure. Lime Sulfur Dip vs. "Bonsai Lime Sulfur" I purchased both through Amazon. Lime sulfur is used in soil remediation of heavy metals and widely used in agriculture. Lime sulfur burns leaves and so cannot be sprayed on evergreen plants or on plants still bearing green leaves in the high seasons. Title: 325-Lime Sulfur (Page 1) Author: Mark J Mauer Created Date: 3/3/2000 7:29:00 … Our Bonide rep told us the company just wasn't making enough money on it to keep producing it. Volck Oil mixed with Cooke Kop-R-Spray works well here as a spray and soil drench. Undiluted lime sulfur is corrosive to skin and eyes and can cause serious injury like blindness. markyscott Imperial Masterpiece. The lime sulfur treats fungal spores, … If you are worried about the negative effects of lime sulfur, do not make it. Seems to me that even spraying horticultural oil could be bad for lungs. 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