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High Tunnel Raspberry ResearchMorris, MNAlexandria, MNGrand Rapids, MN2009 Update,[object Object]
University of Minnesota,[object Object],Organic Research Initiative,[object Object],Multi-disciplinary,[object Object],Focus research efforts,[object Object],Connect with stakeholders,[object Object],Improve funding potential,[object Object],Get Involved!,[object Object]
High Tunnel Berries at the,[object Object],University of Minnesota,[object Object]
High Tunnel Berries at the,[object Object],University of Minnesota,[object Object],Individual donations,[object Object]
The Tunnel,[object Object]
Irrigation,[object Object]
Netting,[object Object]
Planting,[object Object],May 2008,[object Object]
The,[object Object],First Year,[object Object]
The,[object Object],First Year,[object Object]
Trellising,[object Object]
Harvest,[object Object]
Harvest,[object Object]
“…the raspberries produced from the high tunnel were absolutely phenomenal….”,[object Object],“Some of the biggest I have ever seen.”,[object Object],“…plump, sweet and tart!!!! Nice bright color…not bruised at all.”,[object Object],“We loved the raspberries....”,[object Object],-Joshua O’Brien, Executive Chef,[object Object],University of Minnesota Morris,[object Object],Sodexo Campus Services,[object Object]
Heat,[object Object],OLD,[object Object],NEW,[object Object]
UM Morris,[object Object],Data,[object Object]
4’,[object Object],3’,[object Object],Autumn Britten,[object Object],8/14/09,[object Object],Field,[object Object],Height,[object Object],Caroline 8/14/09,[object Object]
5’,[object Object],6’,[object Object],Autumn Britten,[object Object],8/14/09,[object Object],High Tunnel,[object Object],Height,[object Object],Caroline 8/14/09,[object Object]
Inches,[object Object]
Minnesota High Tunnel Raspberries 2009 Update
Pounds/36 linear feet of row,[object Object]
Average berry size in a 6 oz. Driscoll’s clamshell,[object Object]
Minnesota High Tunnel Raspberries 2009 Update
Minnesota High Tunnel Raspberries 2009 Update
Return on initial investment of $8238.00 after third full year.,[object Object]
Joan J at Alexandria, MN,[object Object]
Spider Mites,[object Object]
Spider Mites,[object Object]
Inches,[object Object]
Minnesota High Tunnel Raspberries 2009 Update
Average berry size in a 6 oz. Driscoll’s clamshell,[object Object]
High Tunnel Primocane-Fruiting Raspberry Production at Grand Rapids- Year Two,[object Object],Shengrui Yao,[object Object],Department of Horticulture,[object Object],North Central Research and Outreach Center ,[object Object]
Objectives:,[object Object],Evaluate five primocane-fruiting raspberry cultivars ,[object Object],Compare their performance in the high tunnel with field planting,[object Object],Monitor temperature changes in high tunnel and potential winter damage,[object Object],Monitor pest and disease problems in the high tunnel ,[object Object],Disseminate the information to potential growers,[object Object],Special thanks to Northeast Minnesota Sustainable Development Partnership for their support of this project,[object Object]
Tunnel management:,[object Object],Drip irrigation with 2 T-tapes/row,[object Object],Fertigation for soil fertility management in 2009,[object Object],Opening/closing tunnel sides to control tunnel temperature,[object Object],Many wild bumble bees and honey bees for pollination occurred naturally in the area,[object Object],Propane heater for frost protection,[object Object]
Yield data,[object Object],In 2008, total of 154 lb of berries were harvested from our 21x48 ft high tunnel from August 5 to November 6.,[object Object],In 2009, total of 379lb of berries were harvested from our 21x48 ft high tunnel which was equivalent to 16,000 lb/acre from August 5 to November 2.,[object Object],In 2009, 80 lb of berries were harvested from the field planting from August 12 to October 5.,[object Object]
Yield (continued): ,[object Object]
Fruit earliness:,[object Object]
Productivity (2009):,[object Object],Average HT berry weight (g) ,[object Object],XAutumn Britten had double fruits in 2008 which made the average berry weight higher.,[object Object],*This yield is the berry weight per plant of the “original planting” in 2008.,[object Object]
Cultivars:,[object Object],Autumn Bliss: small fruit, fewer canes, very thorny, mid season.,[object Object],Autumn Britten: nice fruit, fewer canes, mid season, (double berries),[object Object],Caroline: most vigorous, lots of canes and branches, nice flavor and fruits, very productive, moderate thorns, late cultivar ,[object Object],Joan J: nice and big fruit, thornless, mid season cultivar,[object Object],Polana: very early, short plants, small and glossy fruits, moderate thorns,[object Object],Bare root plants were planted in the high tunnel at May 9, and in the field on May 12, 2008,[object Object],Hand thinned most of Caroline plots and some Joan J plots in mid May and early July, 2009. ,[object Object]
Air temperature changes in and outside of high tunnel during winter of 2008/2009,[object Object]
Air temperature changes in and outside of raspberry high tunnel during growing season of 2009,[object Object],Heater effect,[object Object]
High tunnel 5-19-09,[object Object],Dec 15, 2008,[object Object],Snow cover in winter       No snow in winter,[object Object],Field 5-19-09,[object Object]
Joan J,[object Object],9-27-09,[object Object],Caroline,[object Object],Joan J,[object Object]
Joan J,[object Object],Polana,[object Object],Caroline,[object Object],Autumn Britten,[object Object]
Raspberry Pests and Diseases at Grand Rapids,[object Object],High tunnel: ,[object Object],Raspberry sawflies for both 2008 and 2009,[object Object],Spider mites ,[object Object],Appeared later in the season in 2008 without treatment;,[object Object],Released parasitic mites and spot treated with insecticidal soap in 2009,[object Object],Cane borer (one cane in 2008),[object Object],Crown gall (one plant in 2008),[object Object],No other disease pressure,[object Object],Field: only raspberry sawfly in 2008 and 2009,[object Object]
What we learned in 2008 and 2009,[object Object],High tunnel primocane-fruiting raspberry is doable in MN even in northern MN,[object Object],Tissue culture plants are highly recommended,[object Object],Cane thinning and early pinching may be necessary for some vigorous cultivars,[object Object],Limit N application if N was high in your high tunnels,[object Object],Heat equipment is necessary for frost protection in northern Minnesota,[object Object]

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Minnesota High Tunnel Raspberries 2009 Update

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Hinweis der Redaktion

  1. Emily H: Introduce UM High Tunnel Berry researchWhy this projectEPA goalsEtc.
  2. Emily H talk about funding sources
  3. Steve present Morris project chronologically
  4. Steve
  5. Steve
  6. Steve
  7. Steve
  8. Steve
  9. Steve talk about trellis. Intermediate string needed to support mid size canes.Broken cane picture.
  10. Steve talk about harvest in high tunnel and outside.
  11. Harvest and chef comments (comments listed on next slide)
  12. Steve share comments from UMM chef.
  13. Steve: supplemental heatingRecommended min. 42000 BTU for this size high tunnel. Share BTUs, cost, etc. of new heater.
  14. Turn it over to Emily T. to present data
  15. Emily T
  16. Emily T
  17. Emily T
  18. Emily T
  19. Emily T
  20. Emily T
  21. Emily T
  22. Emily T
  23. Ron talk about high tunnel benefits, Joan J, harvest, pest complex in high tunnels compared to field.
  24. Ron talk about spider mite damage
  25. Ron talk about what he did to control spider mites;persimilis predatory mite that Emily T. ordered, did it work to control spider mites? Rates of release, timing, etc. Any other details.Steve tell what you did to control spider mites (monitoring, lens magnification?, high pressure water, hort oil)
  26. Ron or Emily T or Emily H talk about data from Alex.
  27. Ron, Emily T or Emily H talk data from Alex.
  28. Ron, Emily T or Emily H talk data from Alex.