PLASTICS: For Greenhouses

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 7 years ago.

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There are no standards for construction or quality and no specifications; clear is suggested for orchids, or, also known as colorless, with ultra-violet resistance. A75-298
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Plastics Comments
PLASTICS: Toxic to Plants Non-orchid plant seedlings have been killed in new glass houses by a plasticizer called dibutyl phthlate (DBP) but not by a related product called didecyl phthlate; DBP occurs in some PVC pipe used to water plants in polypropylene seed trays; it is also lurking in some glazing strips, flexible pots, reinforced hose-pipe, insulated wire, etc.; plants die after four weeks exposure to it. Ca87(2)-4 0
PLASTICS: Toxic When Burned A hot soldering iron when used to burn holes in plastic pots for more drainage, causes hydrogen chloride gas to be released, which is extremly toxic to both man and plant. OIE87Nov-10 0

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  3. katherine mott asked question shorter stem with less vigorous blooms in category Phalaenopsis
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  1. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  2. William Gorski commented on topic "Orchid roots .com site?" by Mary Lane
  3. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  4. Michael Makio commented on orchid V. Beatrice Makio
  5. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott
  6. Carol Holdren commented on topic "need info on yellow bird" by Glenda Ratliff
  7. Carol Holdren commented on topic "Looking to join an orchid club." by Paula Milano
  8. Jeanne Uzar Hudson commented on topic "Repotting Large Cattleyas" by Jeanne Uzar Hudson
  9. Jeanne Uzar Hudson commented on member plant Paph. malipoense by Jeanne Uzar Hudson
  10. William Gorski commented on topic "how difficult is it growing from seed" by kevan gregory
  11. Carol Holdren commented on topic "Information " by Carmen Britton
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  17. Nancy Speedy commented on scheduled event "2024 Orchid show Martin County "Ocean of Orchids"" by Martin County Orchid Society
  18. Jeanne Uzar Hudson commented on member plant Paph. Fanaticum by Jeanne Uzar Hudson
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