Producer participatory spring wheat variety evaluation for organic systems in Minnesota and North Dakota

H. J. Kandel, P. M. Porter, P. M. Carr, S. F. Zwinger

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Organic producers in Minnesota and North Dakota, USA, indicated that they wanted to participate in hard red spring wheat (Triticum aestivum L. emend. Thell) variety evaluations. The objectives were to determine if a farmer-researcher developed scoring system could be used to rank wheat varieties for yield potential when grown in certified organic fields, identify views of organic producers about on-farm research, and identify the educational impact of the participatory variety evaluation process. Hard red spring wheat varieties were compared for grain yield at six locations on certified organic farms in Minnesota and North Dakota over a three-year period. A scoring system was developed and then used to identify the relative rank of adapted varieties for yield. Producers were asked to rank all varieties on a scale from 1 to 9, where 1 is lowest yield potential and 9 is highest yield potential. Producers were able to distinguish higher producing varieties as a group in 2003 and 2004. 'Oklee' a high yielding variety was ranked lowest in 2005. There was a significant linear relationship between producer ranking and yield (P < 0.05) even though producers could not pick the highest yielding varieties consistently in the field. The producer survey showed that grain yield, protein content, wheat scab resistance, leaf disease resistance, early seedling vigor, test weight and canopy closure were traits producers valued most in a variety. Heading date, impact on succeeding crops, straw and stubble production were ranked lower. Multi-year variety evaluation on certified organic land was highly valued by the producers surveyed. From an educational perspective, the exercise was successful in that producers had to observe individual varieties carefully in order to come to a consensus producer ranking. The model of participatory research can be used for a variety of field research projects and field days.

Original languageEnglish (US)
Pages (from-to)228-234
Number of pages7
JournalRenewable Agriculture and Food Systems
Issue number3
StatePublished - 2008


  • Organic wheat
  • Participatory research
  • Yield ranking


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