Our goal is to provide the potato storage industry with the best products and application methods for season long sprout control and market quality. We continually research new chemicals and application methods while concurrently developing innovative application equipment. Our highly educated and experienced R&D staff focus full time on product and process development. To protect and promote this Intellectual Property, 1,4GROUP has a portfolio of US and international patents and trademarks. These protect our customers from competitor threats and provide them with exclusive competitive technological advantages. Currently, 1,4GROUP has 28 active trademark registrations and 27 patents on file. These numbers increase each year as our work continues.


The sprout inhibitor 1,4-dimethylnaphthalene induces the expression of the cell cycle inhibitors KRP1 and KRP2 in potatoes

The sprout inhibitor 1,4-dimethylnaphthalene alters the expression of genes in potato eyes associated with stress and cell viability


1,4Group R and D Facilities



 1,4GROUP Corporate Video

 1,4GROUP Sustainability Video

 Bruise Evaluation of Untreated and 1,4DMN Treated Potatoes from Commercial Storage

 DMN Turns Genes On and Off