9 PLANT PROPAGATION SYSTEMS AND COMPONENTS THEREOF, NAMELY, PLANT PROPAGATION SYSTEMS FOR PROMOTING THE GROWTH AND DEVELOPMENT OF PLANT TISSUE AND SMALL PLANTLETS, COMPRISING PLANT VESSELS, BIO REACTOR VESSELS, CLOSURES, GASKETS, SEPTUMS, FILTERS, PUMPS, AERATION DEVICES, AIR QUALITY SENSORS AND CONTROL MECHANISMS, TEMPERATURE SENSORS AND CONTROL MECHANISMS, VESSEL SUPPORT TRAYS, SPECTRAL FILTERS, NUTRIENT RESERVOIRS, AND TEMPERED WATER MIXING SYSTEMS COMPRISING TEMPERED WATER BARRIER LAYERS, TEMPERATURE SENSORS, PH SENSORS AND LIGHT SENSORS; COMPUTER SOFTWARE FOR THE OPERATION OF SUCH PLANT PROPAGATION SYSTEMS