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Central Life Sciences Promotes Tracy L. Harris III to Vice President of Sales For Professional Brands

Schaumburg, IL – Central Life Sciences, whose founders invented insect growth regulator (IGR) technology more than 45 years ago, announced the promotion of Tracy L. Harris III to Vice President of Sales for its professional brands.

In his expanded role, Harris will oversee the sales leadership responsibilities for the professional pest management, vector, livestock, farm and feed, grain storage and processing, turf and ornamental, and horticulture segments.

Read the Full Article:   Grainnet FYI Contractor News Jan. 30, 2018


Vietnam announces September 1, 2017 lifting of DDG suspension and now allows use of phosphine fumigation on DDG, corn and wheat

DDGSIn a letter to USDA APHIS Deputy Administrator Mr. Osama El-Lissy the Director General of the Plant Protection Department, Vietnam, Mr Hoang Trung announced the decision to lift the suspension on the importation DDG from the United States. The letter states in part:

“…the Minister of Agriculture and Rural Development of Vietnam has issued the Decision No 3566/QD-BNN-BVTV dated September 1st 2017 to resume import of DDGS from United States into Vietnam.
In order to implement the Decision, the Plant Protection Department of Vietnam (PPD) will issue phytosanitary import permits for U.S. DDGS from September Pt, 2017. The phytosanitary import permit shall be delivered by PPD to the importer. This phytosanitary import permit will be presented by the U.S exporter to APHIS to request a phytosanitary certificate.
In additional, PPD would like to inform that phosphine is accepted for treatment of DDGS, corn and wheat from the U.S before export to Vietnam, complying with the agreed treatment procedures (see the attachment). The information of fumigation including date, location of the fumigation, fumigant, duration and temperature of treatment should be specified in the phytosanitary certificate.
However, if any interception of living quarantine pest of Vietnam, PPD will apply the phytosanitary measures according to our regulations.”

Also included was a document entitled “Requirements for U.S. dried distillers grain (DDG), corn and wheat for export to Vietnam” which outlines steps to be taken. You can read the complete document here.

The Phosphine “Sweet Spot”


WheatIt is widely recognized in our industry that stored commodity insects can develop tolerance toward phosphine gas. When an insect or group of insects develops tolerance, one will observe levels of mortality that are relatively lower than what is expected. It is believed that development of tolerance results from the misapplication of phosphine through sub-standard fumigation practices, including poor sealing, low applied dosages, lack of maintaining toxic levels, fumigations that are too short, etc. All or any combination of these factors result in target pests being exposed to non-lethal phosphine fumigations, which allows the relatively tolerant individuals to proliferate. It is important to note that phosphine tolerance is not limited to geographical pockets, as it has been encountered across the globe, and while tolerance has been observed in populations of Red Flour Beetle, Lesser Grain Borer and the Cigarette Beetle, it is not necessarily limited to these species. Consequently, a great deal of research is being carried out by the industry and scientific community toward the goal of gaining a better understanding of how to minimize the development of phosphine tolerance in stored commodity insects. Among the domestic leaders in research is the USDAs Agricultural Research Service (ARS). Laboratory research conducted by the ARS on highly-tolerant insects demonstrated that control can still be achieved when phosphine gas concentrations are maintained between 500 and 1000 ppm, with 750 ppm being the so called “sweet spot” for optimal efficacy, over the course of at least 3 days at 70° F or above. These fumigation parameters generally hold for most insect species, with a few noted species-specific exceptions. For example, a tolerant Red Flour Beetle strain has a “sweet spot” closer to 2000 ppm. It is important to note that the “sweet spot” for a given species is stable, and does not change for relatively tolerant populations. The research also clearly indicates that the key to successful phosphine fumigations is maintaining the concentration as close to the “sweet spot” as possible over the duration of the fumigation. If the presence of tolerant insects is suspected, the duration of the fumigation should be extended, with an effort made to increase temperature if possible.

Environmental Stewardship



Each year more than 250,000,000 pounds of solid waste are generated in the USA.   Most of this waste, about 65%, makes its way to public and private landfills. Degesch America, Inc. (DAI) is committed to being a corporate steward of the natural resources of our planet and as a result, we have placed additional emphasis our recycling program.  Since its inception, the DAI Recycling Program has diverted more than 1,000,000 pounds of waste from landfills.  For calendar year 2016, we recycled 30,000 lbs. of paper/cardboard, 60,000 lbs. of aluminum and 105,000 lbs. of steel.  We are proud of this effort and will strive to generate even less waste going forward.