Pear Scab V Frost kill.

beeman_gardener(5)May 24, 2014

I have lost a Flemish Beauty pear tree this winter, amongst other things.
It had Pear scab last year, quite bad, so I used Dormant spray and Lime Sulphur in the fall, planning a second spray this spring. Come the spring the tree is defunct, no buds or growth.
After the terrible winter I'm wondering if it was the scab or cold that killed it?
I plan to remove it and replace it with a 'Claps Favorite'. Is the soil in the hole suspect? Does scab infection come through the soil?

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fruitnut Z7 4500ft SW TX

Probably a combination of a weakened tree and a hard winter. If it lost leaves last summer then it has less ability to prepare for cold.

    Bookmark   May 24, 2014 at 10:31PM
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So where does scab come from? It it air or soil contamination?
I want to replace, but don't want to infect the new one!

    Bookmark   May 25, 2014 at 8:44AM
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fruitnut Z7 4500ft SW TX

A leaf infection will be from the air. There are things that could damage the tree that might be in the soil but not scab. Commercial growers worry about replant disease, meaning things in the soil like nematodes that slow the growth of new trees. Home growers usually can't tell the difference.

    Bookmark   May 25, 2014 at 9:44AM
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