The 2016 yield data is in for blackberries grown on swing-arm trellises under high tunnels! Triple Crown produced the highest yield at 12,000 lb/acre followed by Natchez (5,000 lb/acre), Obsidian (3,000 lb/acre) and Columbia Star (2,000 lb per acre).
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Michigan State University student Emilie Cole has been evaluating spotted wing drosophila's (SWD) preferred egg-laying location in the canopy of raspberry plantings under high tunnels. Data collected so far indicates that most SWD eggs are laid low in the canopy near the ground and the number of eggs laid declines further up in the canopy. This may have to do with SWD being highly susceptible to desiccation, so they prefer to stay lower in the canopy where there is more moisture.
Another video is available; this one on raspberry sawfly in high tunnels. Check out TunnelBerries' new video on YouTube: www.youtube.com/watch?v=R5VKy1jUlRQ |
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