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Old June 15, 2006   #1
pricem11
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Default TSWV, bacterial speck, or something Daconil will take care o

Hi Everyone! I posted this on the other site as well. ;-)

I have 30 or so heirloom plants that have done great so far in my zone 7a central NC garden. This is my first year
gardening here with so many plants. However, in the last few days, I'm starting to see signs of danger :-). I have been spraying with Daconil once a week, and I use saponified Neem oil to control aphids etc. I have seen a fair number of green aphids, potato aphids, flea beetles, and white fly, but I have n't seen what I thought were thrips--even with a magnifier.

I'm attaching some photos of problem plants. The first two are Coyote:



[img]"http://static.flickr.com/58/167730533_2ccf26a190.jpg?v=0[/img]

I'm thinking it's TSWV and I need to yank it. The second photo is of top growth. Any confirmations are appreciated.

The second two are Lucky Cross:





Maybe preliminary signs of the same thing?

Finally, the last one is of Cherokee Purple:



There are more lesions like this one elsewhere on the plant. This looks fungal to me, right?

Thanks for any comments/advice. I hate to see things go down after so much hard work!

Mark[/code]
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Old June 15, 2006   #2
pricem11
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Default Oops

Oops, did something wrong with my pics; any TA?
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Old June 15, 2006   #3
feldon30
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Default

I guess because of security vulnerabilities, phpBB doesn't like the ?v=0 at the end of each link. vBulletin just added the option of blocking all images with a ?query. Fortunately the ?v=0 was not valuable info.

Coyote:





Lucky Cross:






Cherokee Purple:

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Old June 15, 2006   #4
feldon30
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Those Coyote and Lucky Cross look like every picture I've ever seen of TSWV. Pull the plants immediately before it spreads. Pruning the sick foliage won't work, since the virus is in the entire plant already. I feel for you.

The Cherokee Purple, that doesn't look like a particular disease to me, more like a bit more heat than the plant was expecting. Make sure you're neither underwatering nor overwatering. Both can cause leaves to crisp up and die.
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Old June 15, 2006   #5
shelleybean
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Default

I agree. Coyote and Lucky Cross photos look like TSWV to me, too. Not CP picture though.
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Old June 16, 2006   #6
Lee
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Default

Yep. TSWV is what you've got on the first two. IMHO.
Pull them as any fruit that does set ain't worth keeping.

CP looks fine. Maybe burned leaf or bacterial.... nothing
to worry about though as CP is tough.

BTW, where are you looking for the thrips?
Aphids and the others will appear on the foliage generally, however the only place I've ever been able to see the thrips is on the flowers.....

You can't spray for them, as you would have to do it
more regular than you'd probably want to on a edible....
My dad has trouble keeping them off roses.

Hopefully Alberta blew all the thrips out of our area the
other day!

Lee
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Old June 21, 2006   #7
pricem11
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Default I yanked em

Well, I yanked them out a few days ago. I HATE to have to do that. I had high hopes for Coyote since it was by far the most vigorous plant during the first few weeks and was the first to grow over the top of the cage.

So far, I haven't seen anymore of those tell-tale purplish spots and curly wilting of top growth.

In my hot and muggy NC garden, I'm seeing some yellowing and early fungal activity on a few plants--even hybrids like Sun Sugar and Better Boy. So I thought I'd share which plants are growing great, setting lots of fruit, and not a sign of pathology over here in this wonderland of bugs, virus and fungus called Chatham county ;-) :

Arkansas Traveler
Azoychka
Black from Tula
Cherokee Chocolate
Cherokee Purple
Paul Robeson
Kimberly
Black Cherry

These plants are doing well with less direct sunlight than they should get, and their spacing isn't ideal either.

Thanks for the previous advice and posts!

Mark
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