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Post new topic   Reply to topic    Irish Gardeners Forum Home -> Plant Propagation, increasing your stock of plants in Ireland.

Damping off of seedlings


 
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e60992
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PostPosted: Mon Sep 26, 2011 12:01 pm    Post subject: Damping off of seedlings Reply with quote

Can anyone advise me on how to avoid damping off of seedlings? I have just planted on some Verbascum from a seed tray to small pots and the seedlings are starting to wither away one by one which is very frustrating. The pots where clean and i have not over-watered the plants. Grateful for any advice.

Lorna[/b]

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Greengage
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PostPosted: Wed Nov 16, 2011 6:53 pm    Post subject: Reply with quote

Are you sure your problem is damping off. Did you handle the plants by the stem if so you may have damaged them causing them to fail. When moving seedlings from a tray to pots lift the seedlings by its leaf you need to treat them gently. Use a small dibber to make holes and insert plants without crushing roots. To avoid damping off make sure pots are clean, don't overcrowd seedlings, avoid overwatering and ensure good air circulation.
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michael brenock
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PostPosted: Wed Nov 16, 2011 10:19 pm    Post subject: Reply with quote

you are really fighting an uphill battle at this time of year. Low light levels, high humidities but good temperatures. The young seedlings do not have good conditions to form new roots. there is a critical time in July August when conditions are still right for seedlings to get established. If conditions are not right for seedlings to re-commence growth they are more prone to disease. Damping off is a general name for a number of seedling diseases. Try again in Spring.
michael brenock horticultural advisor (retired)

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e60992
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PostPosted: Thu Nov 17, 2011 8:56 am    Post subject: Reply with quote

Many thanks for your advice. I think i shall wait until spring when conditions are better for seedlings.
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AJ
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PostPosted: Thu Nov 17, 2011 10:33 am    Post subject: Reply with quote

The other thing u should try is using, I think it's called cheshunt compound or something similar as an additive to your watering, certainly does help I find. also mist the seedlings gently as opposed to using a watering can no matter how fine the rose is.
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michael brenock
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PostPosted: Sat Nov 19, 2011 12:12 am    Post subject: Reply with quote

Cheshunt compound contains copper. Useful for use in Spring. Avoid watering if possible as humidity is already too high.
michel brenock horticultural advisor (retired). .

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