|Author: ||N. Sekita|
|Keywords: ||Osmia cornifrons, apple pollinator, natural enemies, apple pests, management calender|
A megachilid bee, Osmia cornifrons, has been selected as an apple pollinator and used extensively in Aomori Prefecture, a leading apple-producing region in Japan.
Many factors can cause a decline in bee populations.
Solving these problems with methods compatible with Osmia use has been of critical importance.
Based on experimental results, a bee management calendar has been prepared in relation to the phenology of apple trees and the bee's seasonal life history.
The calendar has been revised annually to supply apple growers with the latest information through extension staff.
Since 1996, over 80% of the total area in apples has been pollinated using O. cornifrons.
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