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Anaerobic Conditions Improve Germination Of A Gibberellic Acid Deficient Rice, Jonathan Frantz, Bruce Bugbee
Anaerobic Conditions Improve Germination Of A Gibberellic Acid Deficient Rice, Jonathan Frantz, Bruce Bugbee
Dwarf Crops
Dwarf plants are useful in research because multiple plants or plant communities can be grown in small growth chambers. We have studied a gibberellic acid (GA) mutant of rice (Oryza sativa japonica cv. 'Shiokari' line N-71) that is extremely dwarf (20-cm tall). Unfortunately, this GA mutation is associated with poor germination (70%) under aerobic conditions. Neither exogenous GA, nor a dormancy-breaking heat treatment improved germination. However, excellent germination (95%) was achieved by germinating the seeds anaerobically, either in a pure N2 environment or submerged in unstirred tap water.