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BROWN MARKS ON ZINNIA LEAVES

BROWN MARKS ON ZINNIA LEAVES

Comment from Carolyn Jones
675 1
Is someone able to advise please - the zinnias I grew last year from seed, in coir jiffys were leggy with brown blotches on the leaves. Very different to previous years. Please see pics attached for comparison Is someone able to tell me why the brown marks have occurred before I start sowing again soon. Thank you!!
https://d30qmn300ic0sk.cloudfront.net/assets/users/user_797/forum_13829_851_20130321165012.jpghttps://d30qmn300ic0sk.cloudfront.net/assets/users/user_797/forum_13829_735_20130321165013.jpg
Posted: Thursday 21st of March 2013 04:50 PM

  • Re: BROWN MARKS ON ZINNIA LEAVES

    Kathy N
    Hi, Carolyn,
    Did you source your seed from a different supplier last year? Any difference in light supply to the seedlings? Lower light is the main cause of stretched out, leggy seedlings. The brown marks could be a fungal leaf spot, either from a bad seed source or overwintered in a greenhouse or in compost.
    Kathy C
    Replied: Thursday 28th of March 2013 05:59 PM

    • Re: Re: BROWN MARKS ON ZINNIA LEAVES

      Carolyn Jones
      Hi Kathy,

      Many thanks for your response. I didn't source the seed from a different supplier but I did source the coir jiffys from a different supplier. Apart from that, seedlings grown in the same way and same place as previous years, same light etc. Perhaps too much overhead watering as well. I'll be more careful.
      Replied: Friday 29th of March 2013 01:57 PM
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