Tomatoes, peppers and eggplants in high tunnels
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This document provides information on growing tomatoes, peppers, and eggplants in high tunnels. Tomatoes are very profitable and nutritious crops that are well-suited for high tunnels. Culture involves determining plant spacing, soil nutrition management, and pest and disease control. Several varieties of each vegetable are described, highlighting traits such as yield, flavor, disease resistance, and suitability for high tunnel production.
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Tomatoes, peppers and eggplants in high tunnels
- 1. Tomatoes, Peppers and Eggplants in High Tunnels Terrance T. Nennich Extension Professor Vegetable and Small Fruit Production University of Minnesota Extension nenni001@umn.edu
- 2. Tomatoes • Tomatoes are the number one product grown in high tunnels • High Market demand • Very nutritious • Cost effective • Many uses • Profitable • Easily grown for the most part • Large selections of varieties
- 3. Tomato Culture • Determinant vs indeterminate • Plant spacing 18 inches to 3 ft, • Plant on beds, or flat • Soil Nutrition is extremely important • Disease control • Irrigation • Weed control
- 4. “Book Values” for Tomatoes N P K Plant Part -------- lb per ton F.W. ------------ Fruit 3.4 0.4 6.0 Vines 2.6 0.4 3.4 Total 6.0 0.8 9.4 A 50 ton yield/A would require: ( 20 Lbs Plant) 300 lbs N/A 40 lbs P/A (92 lbs P2O5) 470 lbs K/A (564 lbs K2O)
- 5. Soil Nutrient Research 2008 Fertilized Plots Cobra Tomatoes 0-6 inch soil depth N P K Before Season 263 252 1349 After Harvest 26 235 173
- 6. Ventilation
- 7. Leaf mold on tomato (Fulvia fulva) Highly dependent on high RH and temperature for disease development Conidia germination requires RH > 85% and an optimal temperature 68-77°F Disease rarely occurs below 50°F Conidia can survive at least 1 year in the soil Numerous strains Sharon Douglas, CAES
- 8. Four stages of disease management 1. Pre- High Tunnel Establishment 2. Pre- Season 3. Transplant Production 4. Crop Production
- 9. Irrigation • How long would you like to go without water? • 10 hours of drought can delay maturity 2 days • Drastically reduce quality • Soil nutrients can only be taken up in solution • Fertilizer and water .
- 10. Tomato Evaluation • How do you evaluate a high tunnel tomato? – Size ? – Color? – Yield ? – Earliness? – Firmness ? – Heirloom ? – Flavor ? – You make the Call
- 11. Cobra Indt
- 12. Sunstart /Det/ 60 days
- 13. Sunstart / det, 60 day
- 14. Sunshine, det/ 65 days
- 15. Valley Girl • Early • Determinant • Very cold set • Fast ripping • Firmness ?
- 16. New Girl • A lot like early girl • 62 days • More uniform • Better Blight resistance
- 17. Pole Big /det/ 60 days • Determinant • Compact Plant • 60 day
- 18. BHN 189 • Determenent • 60 days • Hot set • Smaller • Compact vine
- 19. Mountain Spring/ Det /72 day
- 20. Mountain Glory • determinant • Very dome shaped • 72 day • Good disease package.
- 21. BHN 589 • Determinent • 75 day • Excellent flavor • A little soft • Excellent color
- 22. BNH 1021 • Determinant • Vigorous • 8 -18 oz • Smooth tomato • 75 +
- 23. FinishLine • Determinent • Very full season • Very large/ uniform • Very firm
- 24. Red Line • Early Midseason • Firm • Very Large • Maintains size • Upcoming HT Tomato
- 25. O5229Yds
- 26. Charger • Mid Season • Firm • I year of trials
- 27. Rocky Top • Mid season • Dark Red • High Tunnel Heat • Firm
- 28. Ultra Sweet • First High Tunnel Tomato • Indt • Good Color • Early • Yield ??
- 29. Applause • Determinant • Cold set • Cooler conditions. • 67 – 70 day • Large 10-14 oz • Holding size ? • Firm ?
- 30. BHN 268 Cherry • Determent • Very uniform • High yield • Stake
- 31. Golden Sweet Grape • Larger • Good color • Firm • Indet
- 32. Montesino Grape • Indeterment • Large grape
- 33. BHN 785 • Determent • Large grape • Different in tunnels • Sweet
- 34. Pepper Culture • Raised Beds • 20 inches wide, Minimum • Plastic Green • Two rows on each bed • Plants are 18 inches in the row • Rows are 8 inches apart.
- 35. Pepper Culture • Possibility of widening the bed • Widen the spacing between rows • Use two drip tapes. • Staking or weaving is important. • Shade cloth
- 36. Major Concerns • Aphids • Mites • White Flies • Tip Burn • Blossom end rot
- 37. Takii Ace • Very early • 50 day • Completely different in high tunnels • Three lobe pepper • Excellent Green to Red
- 38. Hunter • Early Pepper • Blocky • 4 lobe • Good green to red
- 39. Chesapeake • High tunnel pepper • 4 lobed pepper • Very uniform • Mid season • Very quick color change
- 40. King Arthur • Older pepper • Very large • Latter season • Uniform • Must be stakes in tunnels
- 41. Tomcat
- 42. Intruder
- 43. PSO9941819 Green Bell • Mid season • Strong Continuous Set • Green to Red • Anthocyaninless • Very smooth skin • Must be staked
- 44. Hunter Pepper
- 45. Triple Star
- 46. Mango • Mid Season • Green to Orange • Smaller plant • Stake • Very thick • High fertility
- 47. Moonset • Mid Season • Green to Yellow • Blocky
- 48. Aruba • Excellent growth in H T • Cubanelle • Good color • Very prolific
- 49. Anastar • Anaheim • Very long • 9 inches • 1500 S U • Mid to later season
- 50. Tiburon • Ancho • 1000 -3000 S R • Green to red
- 51. Inferno • Hot banana • Turns nice bright red • Early 60 -65 day • 2500 – 4500 S R
- 52. Habanero • Red , Yellow, Orange • Very hot • Small plant • Late season
- 53. Hungarian Hot Yellow Wax • Open Pollinated • Hot • Inexpensive seed • Good yield • Average color • Uniform ?
- 54. Sweet Banana • Open pollinated • Sweet • Not Hot • Very prolific • Not uniform
- 55. Golden Summer • Mid Season • Green to Yellow • Turns Quickly • Good yield • Medium Size • Heavy set
- 56. # 7 Jalapeno • Rupp Seed • Very early • Strong continuous set • Semi hot • Green to red
- 57. EggPlant Culture • Raised Beds • 20 inches wide, Minimum • Plastic Green • Two rows on each bed • Plants are 18 inches in the row • Rows are 8 inches apart.
- 58. Eggplant Culture • Possibility of widening the bed • Widen the spacing between rows • Use two drip tapes. • Staking or weaving is important.
- 59. Major Concerns • White Flies • Aphids • Potato beetle • Pollination • Blossom abortion
- 60. Epic • Black • Glossey • Uniform • 4X8 Big in tunnels
- 61. Millionaire • Japanese Type • Early • Smooth • Must stake
- 62. Orient Express • Early • Smooth • 10 inches long • Cold set • Takes early cool springs
- 63. Galine Italian • Early • Cold set • Continuous set • Gets big in high tunnels • Very smooth
- 64. Fairy Tale • Small • 1 inch x 5 inches • Solid • Very polific
- 65. Gretel • White egg color • Very early • 2009 AAS Winner • 4 inches long • 1 inch • solid
- 66. Hansel • Early • AAS winner • Harvest at 4 inches • Will continue to grow to 10 inches
- 67. Nadia • Full size • Cool set • Will keep • Solid • Calyx stays green
- 68. Tango • Large white • 7x2 -9x3 • Very classy
- 69. Nubia • 8 inches long • 3 inches in diameter • Good color • Mid – late season • Tall plant
Editor's Notes
- Develops often as a result of poor air circulation – high RH.Leaves drop prematurely as disease progressed up the plant.