Re: "Phyto"
Ray,
You can send a leaf to Purdue University and find out for sure for $22.00
Call first. The number is 1-765-494-5821
Ask for Karen, she can also tell you what to use to kill it. ( hopefully ).
Also ask her for shipping instructions.
Bob.
"raymond j. schwarz" wrote:
> Hello Group
> Thanks for all the great info available through this forum. For those
> that don't know what "Phyto" is, I hope you never do! Phytophthora is a
> microscopic
> Fungal disease that needs to be prevented. It is really not treatable
> once
> symptoms are discovered.
> Had a really nice 1061by1006 cross. Over 2,500 square foot and over
> 800 leaves{Guesstimate}. Still had 5 pumpkins
> on it, all growing 5 inches a day {circ.}. The earliest one set had 70"
> in 19 days. The plant was so big that 4 Giants would not have been a
> problem.
> I noticed a clear oooze coming out of two spots on the main vine close
> to ground zero. Thought it was a little fungus
> or something so I scrapped away the bad and coated with Captan. Thought
> everything was fine. 5 days later, disaster, 20 or so leaves right off
> the main dead overnight. Noticed some wet spots on the main that
> shouldn't be there. 15 foot of main, right in the middle of the plant
> was literally cottage cheese. My finger could run right through it. I'm
> sure that it is OVER for this plant. The ooze at ground zero was just a
> sign. I looked through all the pages in Don Langevins volume two and
> Phytophthora is the only thing that comes close. I have some questions
> for any 'Phyto" experts out there.
> 1)Don Langevins' book recommends not planting in the same spot again
> next year because the spores live through winter. Fumigation of the soil
> using Basamid is suggested. Prevention using natural enemy spores that
> out compete the bad spores {Bio-trek, Rootshield, T22}. The anti-fungal
> sprays that kill this spore are darn few{Ridamil/Coper, Ridomil/Bravo}
> Are probably very hard to find and maybe only commercially available.
> Aliette is suppose to be effective and very expensive and I bet it is
> very hard to find also.
> ?s
> Can I plant in the same spot next year with just the use of competing
> spores or is fumigation absolutely necessary? Has anyone ever found
> Basamid?
>
> What is available non commercially to use against this spore? Three
> basic things are needed 1)A fumigation chemical
> 2)a competing spore{Think I found it already through Gardens Alive}
> 3)And a non-commercial Fungicide for use during the season. Most
> Fungicides don't kill Phytophthora.
>
> Should I plant pumpkins somewhere else or NOT at all for one season?
>
> Is there a lab that can give me an absolute positive for "phyto" ? I am
> only 80% sure that that is what it is!! I have plenty
> of test sample and will ship it anywhere for testing.
>
> Thanks in advance
>
> Ray
>
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