SePRO Corporation Introduces New Preferal Biological Insecticide

SePRO Corporation Introduces New Preferal Biological Insecticide

SePRO Preferal Insecticide

SePRO Corporation announced on January 26, 2012 that it will introduce its new Preferal Biological Insecticide to the United States commercial greenhouse, nursery and landscape markets.  Preferal contains blastospores of a naturally-occurring strain of the fungus Isaria fumosoroseus, which has demonstrated very good control of whitefly, aphid, thrips and spider mites. 


Certis USA,has entered into a marketing-and-supply agreement with SePRO to market and further develop Isaria fumosoroseus in the U.S. greenhouse, nursery, landscape and turf markets. 

Preferal is being used successfully by European growers today in integrated pest management programs to provide control of all life stages of whitefly.  This insecticide is formulated as a water dispersible granule that is mixed with water and applied as a spray.  Spores of Preferal then attach and penetrate the cuticle of targeted insect pests.  The fungus grows inside the insect, causing its death.  Under favorable environmental conditions, the fungus will emerge from killed insects to re-release more viable spores to sustain further infections in other insects. 

“Preferal Biological Insecticide is another example of SePRO’s commitment to bringing exciting new technologies and solutions to meet market place needs.  Preferal will provide growers an effective insecticide that is not likely to develop resistance and is completely safe and compatible with beneficial and pollinator insects,” said Roger Storey, SePRO Corporation’s vice president of the turf and ornamental business unit. 

“Perferal will be a great addition to SePRO’s ornamental product line and will complement Talus Insect Growth Regulator and Ornazin Insecticide, which are well known for their compatibility with beneficial insects and integrated pest management programs.”

To learn more about SePRO products and services, visit or call 800-419-7779.