Germination chambers provide optimum conditions to aid the growth of seedlings from seeds or sporelings from spores. They consist of a temperature- and humidity-controlled space to provide the best ...
THE mutually reversible influence of red and far-red radiation on seed germination is to-day a well established fact. The role of other regions of the spectrum is less certain. Conflicting results ...
Relentless drought and heat stress can damage the saguaro’s internal systems, Vickers said, leaving the cactus vulnerable to infection and internal rot. He has seen saguaros whose insides have ...