IRON: Functions in Fertilizer

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

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Vitally important in the formation of chlorophyll but it is not a part of it. AU75-47
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More The Orchid Doctor Articles under the Heading Iron

Iron Comments
IRON: Characteristics As a growth element it is used in the formation of chlorophyll; it is an assumed antidote against chlorosis; colors flowers darker; in many cases Iron chelate makes whites turn pink; a trace element. OA78-51 0
IRON: Deficiency In mi Itonlopsis it shows up as either blotchy leaves or as leaf tips faded from loss of green pigment; use a half dose of Sequestrol one day after heavy watering. OIE85My-3 0
IRON: In Fertilizer Programs Chelated iron should be used instead of normal iron siulphate at a rate of 8 to lOppm. AU84-199 0
IRON: In the Water Supply Watering directly into the pot will cause little harm to the plants; on the leaves the iron precipitates out and colors them coppery,- eventually to reduce the light intake of the leaf and weaken the plant; remove the iron economically if possible from the water by treatment. A87-1175 0
IRON: Odontoglossums Need it Chelate of Iron should be supplied to the plants strictly according to the instructions on the label; add 5ml of GU49 (powdered iron) to the slow re lease fertilizers (30ml Osmocote, nine months release type, 20ml Mag-Amp) 10ml dolomite lime, to nine litres of potting mix. AU81-179 0
IRON: Spray with Chelated Iron If the water supply lacks iron plants can be sprayed with it. A85-205 0
IRON: Stains Red-brown iron stains can be kept off the leaves only by keeping the water carrying the iron from dripping there. A86-42 0
IRON: Well Water Contaminant Leaves of plants get rusty; rust removal filters charged with potassium permanganate are not safe to use with plants. A72-151 0

New Topics

  1. John Small asked question Paper Wasp? in category General Discussion
  2. Sharie Heckaman started topic Photos of plants in category General Discussion
  3. Roberto Lizama started topic Orchid identification in category General Discussion
  4. Roberto Lizama asked question Help to idenficate this orchid in category General Discussion
  5. William Gorski asked question Dendrobium Identification in category General Discussion

New Comments

  1. Carol Holdren commented on member plant Phal. buyssoniana by Robert Oceans
  2. Mary Lane commented on member plant Fdk. After Dark 'SVO Black Pearl FCC/AOS; CCE/AOS' by William Gorski
  3. John Small commented on topic "Paper Wasp?" by John Small
  4. Lauren Hutchison commented on topic "Help to idenficate this orchid" by Roberto Lizama
  5. Carol Holdren commented on member plant Phal. Timothy Christopher by Vickie Seibert
  6. Carol Holdren commented on topic "Photos of plants " by Sharie Heckaman
  7. Carol Holdren commented on member plant C. Ronald Fonseca var. Compact 'SVO' by Vickie Seibert
  8. Roberto Lizama commented on member plant Ntl. bicolor by Roberto Lizama
  9. Carol Holdren commented on member plant Gra. stapeliiflora var. Waki by Melvin Waki
  10. Vickie Seibert commented on member plant Phal. Anna-Larati Soekardi 'Wilson' by Vickie Seibert
  11. Carol Holdren commented on member plant Rrm. Spunky by Melvin Waki
  12. Charles Vella commented on topic "Orchid list Cold/Warm" by Charles Vella
  13. Sandi Block-Brezner commented on topic "Brassocattleya hybrid?" by Sandi Block-Brezner
  14. Robert H. Findlay commented on topic "looking for info about an unregistered cattleya" by bob lewis
  15. james Hu commented on orchid Den. vannouhuysii
  16. Chase Hubbard commented on member plant Hknsa. Sogo Doll by Tom Kuligowski
  17. Colin Campbell commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  18. Carol Holdren commented on member plant Lc. Memory of PienPien Wei by Robert Rand
  19. Robert Rand commented on member plant Bc. Yellow Bird by John Small
  20. Sharie Heckaman commented on member plant Btcm. Hwuluduen Chameleon by Diana Sammy