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sunflower leaves turn black

Hi, can anyone help me with this? the 2 seed leaves already wilted and dried away, and the same thing is happening to these next leaves (true leaves). what could be the cause? is it fungus and any way to cure? thank you very much! you can find the photos in the link

http://davesgarden.com/community/forums/t/1393500/#ixzz3ZMUsiBj0

Posts

  • i see... thank you!

  • I have some Sunflower Hellanthus annus 'Autumn Time' and one of them has got a black blotchy set of leaves. The variety haven't done well, but I'm curious of why this one turned?

    image

  • Hi
    I am having the same problem can anyone lend insight? Thank you.
  • Blue OnionBlue Onion Posts: 2,995
    Looks like tar spot.. which I think only Acers get.. I don't think sunflowers can catch it.  
    Utah, USA.
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