| Plastics | Comments |
|---|---|
| PLASTICS: For Greenhouses 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 | 0 |
| 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 |