Volume 54 Number 2 Article 13
Year 2000 Month 4
Title: Chemical Thinning ´Fuji` Apple in the Midwest
Authors: D.C. Ferree and J.C. Schmid
Abstract:
'FujiVM.7 apple trees in a commercial orchard were treated with a range of chemical thinners over
7 years to determine their effectiveness.
NAA and NAD did not adequately thin and did increase pygmy
fruit.
Multiple sprays of ethephon and scoring increased return bloom.
Although carbaryl or BA (Accel)
did not generally reduce fruit set when applied alone, the combination caused significant thinning 2 out
of 5 years and 4 out of 5 years increased return bloom.
In 2 of 3 years of limb treatments, Endothall applied at bloom reduced set.
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