This excellent how-to manual covers what growers need to know to be successful growing strawberries under low tunnels in the Northeast U.S. Types of low tunnel structures and plastic covers are detailed as well recommendations for managing the tunnel microclimate, using day neutral strawberry varieties and strategies for winter protection. The "Low Tunnel Strawberry Production Guide", by TunnelBerries personnel Kaitlyn Orde & Becky Sideman (U of New Hampshire), Marvin Pritts (Cornell U.) and Kathy Demchak (Penn State U.) is available as a free download.
We began work this year in a high tunnel in Benton Harbor Michigan to observe how a “V” trellis (Trellis Growing Systems, Ft Wayne IN) can improve raspberry cane management. Early this spring, the floricanes on potted raspberries were secured below 45 degrees on the right trellis arm. This caused the fruiting laterals (branches) to grow upwards on one side of the floricanes. This week, as the flower buds were visible on the laterals, the canes were secured in a vertical position on the left arm. The goal is to position the fruit on one side of the floricanes for easy picking, and keep the developing primocanes on the opposite side so they do not obscure the fruit.
K. Hanson: Tunnel Berries Outreach Coordinator