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The 2000 Fireblight Epidemic in Southwest Michigan
... apple growers have shifted from conventional plantings with 55 to 499 trees per acre to high density plantings with more than 500 trees/acre. These new high value plantings utilized increasingly popular M26, M9 ... acres of high-density plantings. There are 500 to 700 acres, which are 5 years old or less, which could be killed outright by fireblight. In addition, many older high density planting ...
www.canr.msu.edu

July 2000 Report on 2000 Fireblight Epidemic in Southwest Michigan
... apple growers have shifted from conventional plantings with 55 to 499 trees per acre to high density plantings with more than 500 trees/acre. These new high value plantings utilized increasingly popular M26, M9 ... acres of high-density plantings. There are 500 to 700 acres, which are 5 years old or less, which could be killed outright by fireblight. In addition, many older high density planting ...
www.canr.msu.edu

Work Sheets for Estimating Fireblight Losses in 2000
... $1,995,018 $8,856,165 * The weighted cost assumes that 90% of the new plantings are Central leader, and 5% each Vertical Axe and Slender Spindle Mark Longstroth estimates that ... ,000 300 300 50 7,650 High density plantings 900 700 150 60 50 1,860 - Expected loss (50%) 450 300 75 30 25 880 Conventional plantings 3,100 2,300 150 240 ...
www.canr.msu.edu

Blueberry Maggot IPM Fact Sheet
... needed to produce clean fruit. Mechanical Control: In small plantings, it may be possible to trap-out this insect if trap density is sufficient; one sticky trap per bush is suggested. Control ...
www.canr.msu.edu