Re: Roots vs Leaves (watering)

George,

I don't know very much about the Ca in the soil but from  what I have
read and from what other growers have shared with me is that Ca is
essential for large pumpkins.  

Now about the stump rot issue.  How did the large roots look just under
the stump?  My theory is fungus possibly develops under ground and
spreads along the root system just like any other bacteria.  What I'm
wondering is if we use a fungicide that is systemic will this take care
of the fungus problem.  A grower I talked with this year mentioned that
he had gummy stem blight on a stump and treated it with a fungicide and
had good results.  Gummy stem blight is a surface fungus and can be
treated with topical fungicide.  We used to use benomyl on a 14 interval
to control mildew and never had problems with stump rot but then again
benomyl is a systemic fungicide. So maybe we need to look into using a
systemic fungicide on a regular basis to control fungus problems but I
don't know if it will control fungus in the root system as well.  It
should be getting to the roots as well.  Anybody have anything to offer
on this subject?  

Jon Hunt 
  

On Tue, 8 Dec 1998 18:16:24 EST GJGEM@aol.com writes:
>I lost most of my stump to rot in 98' This is the first time it has 
>happened
>to me.
>I water with drip irrigation, my soil is well drained and I paint the 
>stumps
>with captan
>and liquid sevin(this stops the squash vine borers) but it did not 
>stop the
>rot.
>When I got my soil results back this year I was low on calcium. 
>Calcium does 
>help In the case of Blossom-end-rot, it removes Harmful  waste 
>products of the
>plant metabolism and removes high sodium levels. I suspect my low 
>calcium
>levels
>
>Any thoughts?
>George J.
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