Abstract
SUMMARY Wild blueberries (Vaccinium angustifolium Ait.) are unique in that they are commercially grown in the State of Maine in the United States and in Quebec and the Atlantic Provinces of Canada. Approximately half the crop is grown in Maine and the remainder from Canada. The wild blueberry crop has increased by an average of 2.3 million kg each year over the last 20 years and now averages over 68.2 million kg per year. Since 1980, approximately 4050 new ha added in Maine, and over 6073 ha have been added in New Brunswick and Nova Scotia; PEI has also developed more than 1620 new ha. However, most of the gains in yield have come from improved management of the fields. Preemergence weed control with the herbicides terbacil and hexazinone in the 1980s provided a release from the weed competition, and immediately doubled yields on many fields. It also allowed for improved fertility management and the increased use of bees for pollination which resulted in even more production. Good disease and pest control...
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