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Sick Plants

I think the reason could be that I kicked them out too early and they've been cold for too long and they might recover in time. Or they cought something fungal or viral and will die. I would like someone to help me identifying the problem and possible solution if any. Thanks.
 
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Mainly chinese varieties are this bad but others aren't great, just not as bad.
 
 
 
skullbiker said:
They look under nourished to me, are you giving them nutrients? Also, look slightly dry to me.
 
Not under nourished for sure. I suspect it could be the opposite, that I over-fed with Calcium... I'm more worried about the black spots. That would be it for my season. :(
 
Honey Badger said:
 
Not under nourished for sure. I suspect it could be the opposite, that I over-fed with Calcium... I'm more worried about the black spots. That would be it for my season. :(
What else are you giving them. Calcium itself will not feed a plant.
 
skullbiker said:
What else are you giving them. Calcium itself will not feed a plant.
 
I fed them chicken manure tea and Chempak's N, P and Ca. I could have over done it but my worry right now isn't over feeding, I will stop that for now, my worry is what it looks like a bacterial infection, or Black Spot and I will most likely have to destroy my plants if the treatment isn't available.
 
I would treat them if I could, whatever if may work. Any advice will be gratefully recieved.
 
You might have overdone the N with the chicken manure tea mixed with your other nutrients.
Maybe some other members will pop in with other ideas.
 
Some people think the blackspot is too far advanced and I should destroy my plants with fire. Coper and Sulfur prodacts will stop the disease from spreading but most of my plants are already affected. I have about 25 plants, all different varieties and all have blackspot signs. Some more than the others but still. 
 
I'm not very happy. :(
 
My best guess would be they went into major shock from the climate change of going out early and perhaps perhaps were hit even harder if they weren't fully hardened off fully first.  There's nothing I can see from the photo that would say you definitely have leaf spot.  Spotty necrosis can result from other things and even show what appears to be an active border as you'd expect on leaf spot. 
 
If it is leaf spot, it's going to travel by contact.  That would mean things that touch the plant and infection falling to the dirt and splashing back up in rain or with watering.  Since yours are in containers you can isolate well by simply separating those containers. I suppose insect vectors may still be possible, which increased separation distance might help with.  I just don't hear about insect vectors as much with the leaf spots as I do more general contact transmission.  Also I'm not convinced you have a leaf spot problem.
 
Even in a best case scenario the plants will be set back by the shock and likely won't recover quickly.  I'd keep them warm as much as feasible. If they're going to get cool, keep them out of the rain.  Rain and cold is a bad combination. Even though they appear dry now, they look to me like they may have been too wet at some time recently. Control your variables and focus on giving them good conditions otherwise.  Good watering and feeding practices as discussed above.  Look for signs of the new growth coming in green. Don't expect the old growth to do anything other than continue to look bad or get worse.
 
That's my $0.02.  Not a season-ender, but your plants will always be behind where you would have been if you'd waited longer to put them out.
 
Good luck!
 
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