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CMREC , Upper Marlboro

Evaluation of the Perpendicular–V Peach Orchard Training System Applicability Study for the Southern Maryland Region, 1999-2006. CMREC , Upper Marlboro. R. David Myers Presented by Anne DeMarsay. Peach Training System Study CMREC, Upper Marlboro. Planted April 14, 1999

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CMREC , Upper Marlboro

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  1. Evaluation of the Perpendicular–V Peach Orchard Training System Applicability Study for the Southern Maryland Region, 1999-2006 CMREC , Upper Marlboro R. David Myers Presented by Anne DeMarsay

  2. Peach Training System Study CMREC, Upper Marlboro • Planted April 14, 1999 • Monmouth Fine Sandy Loam Soil • Fertilizer and Lime Applied in Tilled Strips • Heading Cut to: 24” for Standard Open- Center, & 20” for Perpendicular-V System, • Tall Fescue Drilled in Row Alleyways

  3. Peach Training System Study CMREC, Upper Marlboro • Arranged Complete Block, 3 REPS with 7 Peach Varieties: • Candor • Garnet Beauty • Red Haven • Flamin’Fury PF 15A • Bounty • Cresthaven • Fantasia (Nectarine) • Training Systems: • Open Center 20’ X 16” • Perpendicular-V 20’ X 8” Note: V-Tree fruit trellis established in March of 2nd Leaf.

  4. March 2001 3rd Leaf V-System

  5. March 2001 3rd Leaf Open Center

  6. *Significant P = .0045 Lsd = 1.195

  7. May 2001 3rd leaf V-System

  8. July 2001 3rd leaf Open Center

  9. Note: V-Tree spraying requires a modified sprayer.

  10. Note: V-Tree Fruit was small do to unbalanced thinning.

  11. July 2002 4th Leaf V-System

  12. *Non-Significant

  13. Open Center: 136 trees/Acre X 45.9 lbs/tree = 6,202 lbs/Acre V-System: 272 trees/Acre X 42.1 lbs/tree =11,451 lbs/Acre

  14. May 2004 6th Leaf V-System

  15. Open Center: 136 trees/Acre V-System: 272 trees/Acre

  16. Peach Training System Study Conclusions • Perpendicular-V Pros • Heavy Early Yields/Acre • New Varieties are Quick to Market • Compact Orchard with Twice the Number of Trees/Acre • Lower Input Costs • Perpendicular-V Cons • Pruning and Scaffold Development Laborious • Harder to Size Control V-Trees – Not Recommended on Productive Ag Soils • Fruit Thinning & Harvesting is More Difficult • Higher Disease Pressure – Irregular Spray Coverage

  17. Thank You! Any Questions? myersrd@umd.edu www.annearundel.umd.edu

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