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26
Jan

2018 Small-Seeded Verbena Referee

Dear Members,

Purpose:  The Verbenaceae method page for tetrazolium testing was amended in 2017. Two key changes should result in better results for small-seeded Verbena species.

This study will provide an opportunity to TZ test small-seeded verbena using an improved procedure and see how much variation there is among laboratories.  This referee is not a validation study.  Anyone may participate.  Participants need a basic understanding of TZ testing but do not need prior experience testing Verbena seeds.

Please contact Annette Miller by February 28 if you wish to participate.  Results will be due by April 11.

email: Annette.Miller@ars.usda.gov

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