Re: Shriveling Leaves
T. D. Aker wrote:
>
> I've been having the same trouble for two years now.
> First, the leaves start wilting badly in the heat of the day, (because they
> aren't getting enough water.)
>
> Then, the leaves closest to the diseased area start to die first.
> If you look closer, you may find a mushy spot in the vine.
> Or, you may see a whitish "sap" leaking fron the base of the plant.
> It can stop as suddenly as it started.
> And it can totally wreck a healthy plant.
> This month, it's in my giant Andersen 815 vine.
> I've had sick vines grow decent sized pumpkins with barely any main vine left.
> Last year, I had a fast growing pumpkin that had reached 350 pounds as was
> fast putting on weight.
> Then, the vine went down....fast!
> Turned to mush.
> It seems if the vine can remain fairly intact, and the disease can hold off
> some, the pumpkin can still get very large. But it can also strike you out
> of the blue.
> This particular plant had been sick earlier in the year, but after a
> fungicide treatment,the disease went dormant.
> Then, with a pumpkin growing like a wildcat it killed my vine.
> Talk about heartbreak!
> It seems to come after hot, humid, rainy periods.
> I've had my plants tested and they could find nothing, other than secondary
> bacteria.
> That left me with no answers and sick vines.
> It had hit me once this year already. About a month ago.
> Then, after it ate thru the main vine of one plant, it went dormant.
> I was treating the roots with a systemic fungicide called 3336.
> It seemed to help.
> But, after two straight weekends of heavy rain, it's back again.
> I'm trying to fend it off as best I can with 3336, but I don't know what
> will happen.
> I do know you may want to stop watering around the base of the plant for a
> while.
> Once it dries up, it seems to stop for a time.
> I've been told it's everything from Phytophthora to Fusarium wilt, to
> something called Cylindrical rot.
> But, the tests come up negative, and yet I still have the problem.
> I'm gonna try something called "Root Shield" next year that is supposed to
> give you a better chance at avoiding these diseases.
> But, I'm screwed for this year.
> It's really hard to fight a disease when no one seems to know what the hell
> it is.
> If you fnd out anything please let me know.
> Tim
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> At 09:59 AM 8/18/98 -0400, you wrote:
> >Dear Carlsons:
> >
> >It is truly amazing that your pumpkin continues to grow without a
> >stump!
> >
> >To be more specific about my problem, first the leaves on the vine
> >wilted slightly in the heat of the day. I have seen this before, so,
> >initially it didn't worry me. Then, beginning with the leaves closest to
> >the stump, the edges turned brown, then yellow and the entire leaf
> >shriveled up to brown. Then this continued down the rest of the stem.
> >The same thing has happened to one of my blue hubbard squash plants.
> >What is strange is that both plants are surrounded by other healthy and
> >vigorous vines. I don't know what it could be other than what Pumpkin
> >Flower suggests, bad luck. Again, there is no evidence of borers or
> >squash bugs.
> >
> >Any advice would be appreciated.
> >
> >-Stacey
> >>
>
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hey hey i've had the same thing this year that's how i lost my stump on
july 20th or so. once i cut out the first 3 foot of main and removed all
the dying leaves this seamed to stop it . tell me more about this 3336
systemic fungicide. i've never heard of it. do they have anything like
it for the borer moth! thanks the carlson's
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