Re: Watering in summer

It takes only a couple of hours of wet soil above a certain temperature for phytophthora to infect roots. 

Diane Whitehead
Victoria, British Columbia, Canada


On 19-Jul-09, at 9:28 AM, N Sterman wrote:
I find that in the heat of summer, I tend to suddenly loose well established woody plants. Not many but a few each summer and not from old age. I suspect it is from phytophthora which flourishes in warm, wet soil. Though soil temps don't differ too much, my thought is that they may differ enough to make a difference in terms of phytophthora populations.
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