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JUDIE STEEVES Carolyn Teasdale
Abbotsford area she found that using enough traps reduced the number of males, who were attracted to the trap even if females were in the vicinity. Because the larvae overwinter in the hollow canes, when growers prune the canes down in spring and find a white grub, they will know it is raspberry crown borer. Teasdale advises growers to monitor carefully and to prune canes short so they can see inside and check for the borer.
Although there wasn’t much problem with them for awhile, in the last few years there’s been quite an increase in the numbers. Damage shows up as a wilting plant, which could be caused by a number of problems other than raspberry crown borer. The pest also survives in wild blackberries, which frequently grow around the margins of raspberry fields.
Teasdale is working on her master’s degree at Simon Fraser University in pest management, and this research will become part of her thesis. In the coming year, she’ll be testing what the best density of traps is to monitor adequately and to mass trap. If you are interested in being involved in her research using the pheromone-baited traps, contact her by e-mail at:
carolyn@escrop.com
STRAWBERRY PLANTS FROZEN
Dormant Frozen Strawberry Plants, Excellent day neutral and June bearing varieties. Ideal for July and
August planting on plastic or conventional matt rows. PLEASE CALL FOR MORE INFORMATION
ghesquierefarms@xplornet.com fax 519.426.0073 14 British Columbia Berry Grower • Winter 2010-11
519.428.1087 or 519.428.8838 36 Evergreen Hill Rd. Simcoe, ON. N3Y 1B8
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