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Date: | Sun, 20 May 2012 21:06:01 -0400 |
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-----Original Message-----
From: Michael Palmer
>>I don't believe the orchards in this area attempt to pollinate only the
king bloom. They get every flower fertilized, and then spray thinner.
Mike
If the king bloom is well set (8-10 seeds), it has a natural suppressing
effect on the remaining bloom in the cluster, and this makes spray thinning
much easier. Everything tends to drop, except the king fruit.
Apples normally are in clusters of 5 (a few varieties differ). The next
three to bloom, are more or less simultaneous. They also tend to set
together and no one has any suppressive effect. So, if the king bloom is not
set, then it's likely to have three fairly equal apples in each cluster.
Spray thinning can be pretty tricky. Not enough and none drop off; too much
and they all drop off. Apples growers hate to walk this razor edge.
The fifth bloom is weak, and generally won't make an apple that wins any
prizes. But if no others in the cluster are set, it's better to have this
last bloom set to prevent the trees from going into woody growth. for the
season.
If bloom is normal, growers figure they've got the best possible crop if
they can get every other king bloom well set.
More info: http://www.pollinator.com/effecpol.htm
Dave Green
Retired
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