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John Zandstra

Degrees

  • M.Sc. (Agr.) Environmental Biology - University of Guelph
  • B.Sc. (Agr.) Environmental Biology - University of Guelph

Teaching

  • Fruit Production DAGR*3250 
  • Vegetable Production DAGR*3260 
  • Viticulture and Enology DAGR*2220 
  • US Agriculture Study Tour DAGR*3170 
  • Grape and Wine Science HORT*1120 

Research Interests

  • My research interests cover a range of fruit and vegetable crops, both fresh and processing, which are prevalent in Southern Ontario.  In particular, season extension, environmental sustainability, and research to support new crops are a focus. 
  • Vegetable crop research is completed on the Ridgetown Campus Research Farm, while fruit research takes place at the Cedar Springs Research Station

Current Projects

Fruit

  • Improvement of Ontario hazelnut cultivars focusing on winter hardiness and pest tolerance, with an emphasis on management of Eastern Filbert blight 

  • Development of cropping systems for soilless tabletop production of strawberries in Ontario 

  • The Canadian Berry Trial Network 

  • The next generation of tree fruits 

Vegetable

  • Development of an upland rice production system in Ontario 

  • Field Evaluation of NRC degradable mulch films in commercial jalapeno pepper production 

  • Effectiveness of inoculants in green pea production on different soils and at different planting dates 

  • Re-evaluating phosphorous and potassium management in green peas 

  • Influence of plant population on green pea yield and quality 

  • Re-evaluation of the optimum nitrogen rates in processing tomato production 

  • On-farm multiplication of clean garlic seed using tissue-cultured roundels.  

Research Partners

  • Ontario Agri-Food Innovation Alliance  

  • Canadian Agri-Science Cluster for Hort 4 

  • Sustainable Canadian Agricultural Partnership – AgriScience Program 

  • National Research Council 

  • Canadian Fruit and Vegetable Growers of Canada 

  • Ontario Hazelnut Association 

  • Ontario Processing Vegetable Growers 

  • Ontario Berries 

  • Fresh Vegetable Growers of Ontario 

  • Ontario Apple Growers 

  • North American Strawberry Growers 

  • Niagara Peninsula Fruit and Vegetable Growers 

  • Ontario Tender Fruit 

  • FangZheng Agricultural Enterprise 

  • Lygos 

Research Technicians

Vegetable Crops

Sydney Boersma

519-674-1500 Ext. 63601

boersmas@uoguelph.ca

Fruit Crops                           

Vacant

519-676-0832

 

Graduate Student

Anna Stephen

Department of Plant Agriculture

asteph08@uoguelph.ca

 

Publications

  • View the complete list of John Zandstra’s publications on Google Scholar