FAQ

Commonly asked questions about protecting commodities from stored grain insects with Bug Free Grains Products from Central Life Sciences. For specific product questions, jump straight to the product.

GENERAL

  • Q: What is an insect growth regulator (IGR)? 
    A: Insect growth regulators are active ingredients that disrupt the insect’s life cycle by interrupting pupal development as opposed to affecting the nervous system through direct toxicity. 
  • Q: I am concerned that the weevils in my area are resistant to pyrethroid chemistry. How can I protect the grain? 
    A: Use either a tank mix of Diacon® IGR PLUS and PBO-8® Synergist, or a tank mix of Diacon® IGR, Centynal EC Insecticide, and PBO-8® Synergist on incoming grain if pyrethroid resistance is suspected in the weevil population.
  • Q: How do I perform an empty-bin treatment?

    A: Clean bins thoroughly and apply treatment of Diacon® IGR PLUS  to walls, floors and surfaces.

  • Q: Can I treat the top or bottom of a grain mass, or just the bin walls, and get good results?
    A: For the best results, treat in the grain stream as well as the empty bin. By not treating the entire mass, there is a possibility of infestation in the untreated areas of the grain mass.
  • Q: When should I apply a tank mix to grain?
    A: For long-term protection, add Diacon® IGR PLUS or a tank mix of Diacon® IGR and Centynal EC Insecticide to the grain as it moves into storage. If weevils are present, add PBO-8® Synergist to your tank mix.
  • Q: I have bugs in my grain, what do I do?
    A: If the infested grain is already in storage, fumigate with an EPA-registered fumigant to eliminate the infestation. Following fumigation, if possible, turn the grain and treat with Diacon® IGR PLUS or a tank-mix combination of Diacon® IGR and Centynal EC Insecticide. The best way to prevent an infestation is to treat the commodity in the grain stream as it is being placed into the storage facility.

Diacon®-D IGR

  • Q: What is the active ingredient in Diacon®-D IGR? 
    A: The active ingredient in Diacon®-D IGR is the insect growth regulator (S)-methoprene. 
  • Q: When should I apply Diacon®-D IGR for long-term protection? 
    A: Add Diacon®-D IGR to the grain stream as it moves into storage.
  • Q: What is the best way to apply Diacon®-D IGR? 
    A: Diacon®-D IGR is a dry formulation that can be applied to the moving grain stream by using a scoop or other calibrated device. An automated delivery system, such as one available from Cyclone Mfg. Company, may be used for Diacon®-D IGR dispensing.
  • Q: What is the rate of application for Diacon®-D IGR?
    A: Apply Diacon®-D IGR at 10 pounds per 1,000 bushels of grain.
  • Q: How long will grain be protected at these application rates?
    A: There are many factors that impact residual activity, but typically, under average storage conditions, the 10-pound rate for Diacon®-D IGR should provide continuous control for 12-18 months.
  • Q: Can grain treated with Diacon®-D IGR be used with bin aeration?
    A: Yes, aeration will not interfere with the efficacy of a Diacon®-D IGR treatment.
  • Q: Can Diacon®-D IGR be used on malting barley in storage?
    A: Diacon®-D IGR may be used by MillerCoors and Busch Agricultural Resources, LLC growers and other companies’ growers supplying barley to MillerCoors or Busch Agricultural Resources, LLC. Other malting companies are presently considering usage.
  • Q: How soon after treating with Diacon®-D IGR can the grain be used for feed, milling, etc.?
    A: Grain can be used immediately after treatment with Diacon®-D IGR.
  • Q: Is there CODEX clearance for grains treated with Diacon®-D IGR?
    A: Yes, CODEX clearance has been established for any grain produced from the grass family (see CODEX website for details).
  • Q: What is the cost of Diacon®-D IGR?
    A: Diacon®-D IGR costs range from 3.2 to 4 cents per bushel.
  • Q: Where can I buy Diacon®-D IGR?

    A: The distributor/dealer in your area can be found on the Distribution section of the website.

Diacon® IGR

  • Q: What is Diacon® IGR?
    A: Diacon® IGR is an insect growth regulator (IGR) registered by the Environmental Protection Agency (EPA) for the control of immature insects in stored grains and other agricultural commodities.
  • Q: What is the active ingredient in Diacon® IGR? 
    A: The active ingredient in Diacon® IGR is the IGR (S)-methoprene. 
  • Q: What is the difference between Diacon® IGR and Diacon® IGR PLUS?
    A: Diacon® IGR contains only an insect growth regulator and can be used to break the life cycle of insects. Diacon® IGR PLUS is a combination of an insect growth regulator and an adulticide and can be used to kill pupal and adult stages of insects.
  • Q: What is the rate of application for a tank mix of Diacon® IGR and Centynal EC Insecticide for wheat? (For other commodities, please reference the Centynal EC Insecticide label; Diacon® IGR rate commonly used is 4.0 oz per 1,000 bushels.)
    A: The tank-mix rate per 1,000 bushels of wheat is 4.0 oz. of Diacon® IGR and 9.6 oz. of Centynal EC Insecticide in 5 gallons of water. Refer to the product labels for the complete application details per grain.
  • Q: How long will grain be protected at this application rate?
    A: While residual action can vary with conditions and application rates, Diacon® IGR can last over a year at the higher application rates.
  • Q: Can grain treated with a tank mix of Diacon® IGR and Centynal EC Insecticide or Diacon® IGR PLUS be used with bin aeration?
    A: Yes, aeration will not interfere with the efficacy of a Diacon® IGR and Centynal EC Insecticide tank-mix treatment or Diacon® IGR PLUS treatment.
  • Q: How soon after treating with a tank mix of Diacon® IGR and Centynal EC Insecticide can the grain be used for feed, milling, etc.?
    A: Grain can be used immediately after treatment with a tank mix of Diacon® IGR and Centynal EC Insecticide.
  • Q: What limitations are there regarding where grain can be shipped or used after being treated with a tank mix of Diacon® IGR and Centynal EC Insecticide?
    A: For domestic use, there are no exceptions where grain can be shipped or processed when treated according to the label. When tank mixing, the more stringent label must be followed.
  • Q: What about limitations for export?
    A: For export of treated grains, CODEX tolerances and/or country tolerances must be followed. Refer to the specific country of import to determine acceptable tolerances for both (S)-methoprene and deltamethrin prior to treating the commodity.
  • Q: What is the cost of a tank mix of Diacon® IGR and Centynal EC Insecticide?
    A: For a cost of approximately 4.5 cents per bushel, you can get one of the best tank mixes in the market for fighting stored product insect infestations.
  • Q: Where can I buy Diacon® IGR?
    A: Find the distributor/dealer in your area under the Distribution section of the website.

Diacon® IGR PLUS

  • Q: What is Diacon® IGR PLUS?
    A: Diacon® IGR PLUS is an emulsifiable concentrate grain protectant that contains both an insect growth regulator and an adulticide. It is registered by the Environmental Protection Agency for the control of immature insects and adults in stored grains and other agricultural commodities.
  • Q: What are the active ingredients in Diacon® IGR PLUS?
    A: The active ingredients in Diacon® IGR PLUS are the IGR (S)-methoprene and the adulticide deltamethrin.
  • Q: What is the difference between Diacon® IGR and Diacon® IGR PLUS?
    A: Diacon® IGR contains only an insect growth regulator for the control of insects in the pupal stage to break the life cycle. Diacon® IGR PLUS is a combination of an insect growth regulator and an adulticide and can be used to control both immature and adult stages of insects.
  • Q: What is the rate of application for Diacon® IGR PLUS?
    A: Apply Diacon® IGR PLUS to the moving grain stream as a coarse spray to provide a concentration of 0.5 ppm – 1 ppm of deltamethrin and 1.25 ppm or 2.5 ppm of (S)-methoprene on the grain. Final spray volume with water solutions is 3-5 gallons of liquid per 1,000 bushels of grain. For rough rice, use 10 gallons of water per 1,000 bushels. For more information, consult the product label.
  • Q: How long will grain be protected at these application rates?
    A: While residual action can vary with conditions and application rates, Diacon® IGR PLUS can help protect grains over a year at the higher application rates.
  • Q: Can grain treated with Diacon® IGR PLUS be used with bin aeration?
    A: Yes, aeration will not interfere with the efficacy of a Diacon® IGR PLUS treatment.
  • Q: How soon after treating with Diacon® IGR PLUS can the grain be used for feed, milling, etc.?
    A: Grain can be used immediately after treatment with Diacon® IGR PLUS.
  • Q: What limitations are there regarding where grain can be shipped or used after being treated with Diacon® IGR PLUS?
    A: For domestic use, there are no exceptions where grain can be shipped or processed when treated according to the label. When tank mixing, the more stringent label must be followed.
  • Q: What about limitations for export?
    A: For export of treated grains, CODEX tolerances and/or country tolerances must be followed. Refer to the specific country of import to determine acceptable tolerances for both (S)-methoprene and deltamethrin prior to treating the commodity.
  • Q: What is the cost of Diacon® IGR PLUS?
    A: For a cost of approximately 5-7 cents per bushel, you can get insect control from larva to adult in one product.
  • Q: Where can I buy Diacon® IGR PLUS?
    A: To find the dealer/distributor in your area, visit the Distribution section of the website.
  • Q: What is the best product application if weevils are present?
    A: Adding PBO-8® Synergist to Diacon® IGR PLUS will give the insecticide in Diacon® IGR PLUS a boost to help fight against weevils.

Centynal™ EC Insecticide

  • Q: What is Centynal EC Insecticide?
    A: Centynal EC Insecticide is an emulsifiable concentrate formula that provides effective knockdown and control of listed adults and accessible stages of larvae and prevents the buildup of listed insects.
  • Q: What is the active ingredient in Centynal EC Insecticide?
    A: The active ingredient in Centynal EC Insecticide is deltamethrin.
  • Q: What is the rate of application for a tank mix of Diacon® IGR and Centynal EC Insecticide for wheat?
    A: The tank-mix rate per 1,000 bushels of wheat is 4.0 oz. of Diacon® IGR and 9.6 oz. of Centynal EC Insecticide in 5 gallons of water. Refer to the product labels for the complete application details.
  • Q: What is the rate of application for Centynal EC Insecticide?
    A: Dilute Centynal EC Insecticide with water or approved dust controlling oils, minerals or soybean oils and apply to the moving grain stream as a coarse spray to provide a concentration of 0.5 ppm – 1 ppm of Centynal EC Insecticide on the grain. For applications with water, use 3-5 gallons of liquid per 1,000 bushels of grain. Use more or less dilution volume depending on the situation but ensure that uniform coverage is obtained.
  • Q: How long will grain be protected at these application rates?
    A: While residual action can vary with conditions and application rates, Centynal EC Insecticide would be expected to last 3-6 months.
  • Q: Can grain treated with a tank mix of Diacon® IGR and Centynal EC Insecticide be used with bin aeration?
    A: Yes, aeration will not interfere with the efficacy of a Diacon® IGR and Centynal EC Insecticide tank-mix treatment.
  • Q: When should I use a tank mix of Centynal EC Insecticide with PBO-8® Synergist?
    A: By adding PBO-8® Synergist to Centynal EC Insecticide , the insecticide gains more efficacy with the boost of control power from the synergist that helps provide increased knockdown and flushing action. This tank mix is especially useful against problematic infestations such as rice weevils. The piperonyl butoxide in PBO-8® Synergist synergizes the deltamethrin in Centynal EC Insecticide to block the weevil’s ability to produce the mixed-function oxidase enzymes that metabolize insecticides.
  • Q: How soon after treating with a tank mix of Diacon® IGR and Centynal EC Insecticide can the grain be used for feed, milling, etc.?
    A: Grain can be used immediately after treatment with a tank mix of Diacon® IGR and Centynal EC Insecticide .
  • Q: What limitations are there regarding where grain can be shipped or used after being treated with a tank mix of Diacon® IGR and Centynal EC Insecticide?
    A: For domestic use, there are no exceptions where grain can be shipped or processed when treated according to the label. When tank mixing, the more stringent label must be followed.
  • Q: What about limitations for export?
    A: For export of treated grains, CODEX tolerances and/or country tolerances must be followed. Refer to the specific country of import to determine acceptable tolerances for both (S)-methoprene and deltamethrin prior to treating the commodity.
  • Q: What is the cost of a tank mix of Diacon® IGR and Centynal EC Insecticide?
    A: For a cost of approximately 4.5 cents per bushel, you can get one of the best tank mixes in the market for fighting stored product insect infestations.
  • Q: Where can I buy Centynal EC Insecticide

    A: To find the dealer/distributor in your area, visit the Distribution section of the website.


PBO-8® Synergist

  • Q: What is PBO-8® Synergist?
    A: PBO-8® Synergist is a performance enhancer which, when tank mixed with Centynal EC Insecticide, inhibits an insect’s ability to break down the insecticide. This boosts the efficacy of the insecticide, helping to overcome any resistance the insects may have developed.
  • Q: What is the active ingredient in PBO-8® Synergist?
    A: The active ingredient in PBO-8® Synergist is piperonyl butoxide. This compound has a favorable toxicological profile with low risk to humans and the environment.
  • Q: Where can I buy PBO-8® Synergist?
    A: To find the dealer/distributor in your area, visit the Distribution section of the website.

Gravista® Insecticide

  • Q: What is Gravista® Insecticide? 
    A: Gravista® Insecticide is a 3-in-1 insect control product that requires no tank-mixing, with an adulticide, an insect growth regulator (IGR) and a synergist, and is designed to kill labeled insects and break their life cycles.
  • Q: What are the active ingredients in Gravista® Insecticide?
    A: Gravista® Insecticide has three active ingredients – Deltamethrin 1.20%, (S)-methoprene 2.85%, Piperonyl Butoxide 33.30%
  • Q: What insects does Gravista® Insecticide protect against?
    A: The product provides excellent control of Indian meal moths, sawtoothed grain beetles, red flour beetles, rice weevils, maize weevils, lesser grain borers, and other listed pests (see label).
  • Q: What grains can Gravista® Insecticide be used on?
    A: It is designed for use on wheat, corn, rice, and other labeled grains and seeds. Gravista® Insecticide is also CODEX approved for cereal grains.
  • Q: What can Gravista® Insecticide be mixed with?
    A: Although it is a combination product that does not require tank-mixing, Gravista® Insecticide may be tank-mixed with other products if needed, such as Pyronyl™ Crop Spray.
  • Q: Where can I buy Gravista® Insecticide?
    A: To find the dealer/distributor in your area, visit the Distribution section of the website.

Centynal™ Synergized Insecticide

  • Q: What is Centynal™ Synergized Insecticide?
    A: Centynal™ Synergized Insecticide is designed to bring a boost to short-term grain storage and rescue treatments by combining both an adulticide and a synergist.
  • Q: What are the active ingredients in Centynal™ Synergized Insecticide?
    A: The two active ingredients in Centynal™ Synergized Insecticide, Deltamethrin and Piperonyl Butoxide are combined specifically for increased speed and knockdown.
  • Q: What insects does Centynal™ Synergized Insecticide help protect against?
    A: Centynal™ Synergized Insecticide provides effective knockdown and will help control even the toughest stored product insects, such as Indian meal moths, sawtoothed grain beetles, red flour beetles, rice weevils, maize weevils, lesser grain borers and other listed pests (see label).
  • Q: What products can Centynal™ Synergized Insecticide be tank mixed with?
    A: Centynal™ Synergized Insecticide may be tank-mixed with other products, such as Diacon® IGR or Pyronyl™ Crop Spray. It is also CODEX approved for cereal grains.
  • Q: What grains can Centynal™ Synergized Insecticide protect?
    A: Centynal™ Synergized Insecticide is designed for use on wheat, corn, rice and other labeled grains and seeds.
  • Q: Where can I buy Centynal™ Synergized Insecticide?
    A: To find the dealer/distributor in your area, visit the Distribution section of the website.
back-to-top-arrow