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| Posted: 01 Nov 2012 02:14 | |
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Registered User Currently Offline Join Date: Nov 2012 |
Posts: 1 Reputation: Unranked User Rank: 1 - Seed 
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We have quite a few Janet Craigs with what appears to be iron deficiency. Can anyone suggest a successful way of dealing with this?
Thanks in advance, Ben:( |
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| Posted: 01 Nov 2012 14:25 | |
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Registered User Currently Offline Join Date: Jan 2011 |
Posts: 72 Reputation: 3 User Rank: 2 - Taproot 
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We use Ironite, which is often sold for lawns (granular). Remember to check your pH first. If that is not correct, it doesn't matter how much Ironite you apply, it won't correct the iron deficiency, since the plant won't take it up.
Julie |
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| Posted: 08 Dec 2012 12:59 | |
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Registered User Currently Offline Join Date: Jan 2012 |
Posts: 28 Reputation: 2 User Rank: 1 - Seed
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"The most obvious symptom of iron deficiency in plants is commonly called leaf chlorosis. This is where the leaves of the plant turn yellow, but the veins of the leaves stay green. Typically, leaf chlorosis will start at the tips of new growth in the plant and will eventually work its way to older leaves on the plant as the deficiency gets worse."
Source: http://www.gardeningknowhow.com/plant-problem ... I myself have never observed iron deficiency on an indoor plant. What I have seen on the 'Janet Craig' is a 'blotching'; which (I am told) has been associated with older plants and irrigating with tap water (chloride/fluoride). If I had to correct the deficiency indoors, I'd use a liquid concentrate and dilute it to half the labeled strength. I'd use this solution to irrigate the plant every fourth watering until the symptoms clear out. |
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| Posted: 05 Jan 2013 06:09 | |
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Registered User Currently Offline Join Date: Jun 2012 |
Posts: 25 Reputation: 2 User Rank: 1 - Seed
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| We usually treated all dracaenas with an annual helping of iron sequestrine, and an application of dolomitic limestone, plus a top dressing of fresh soil, but no other fertilizer. | |
| Posted: 05 Jan 2013 19:35 | |
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Registered User Currently Offline Join Date: Jan 2011 |
Posts: 547 Reputation: 24 User Rank: 11 - Orchid 
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Something as simple as media compaction may be the key here. When a dracaena has been growing in the same growing medium for a long time, as many do in the interiorscape because we don't up-size them for various reasons, compaction occurs and drainage/aeration suffer. Root tips and root hairs die off, leaving the plants functionally unable to process nutrients in the mix.
Unpot, examine the medium and roots and get back to us. |
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