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Tetraploid perennial teosinte is an endangered Mexican relative of maize with potential for use as a tropical rangeland and permanent pasture forage. Seeds are dormant when harvested, becoming more germinable as they afterripen. New-seed dormancy may be broken by pre-soaking seed in a gibberellic acid solution. Other pre-treatments are less effective or inhibit germination. Seeds enclosed in white fruitcases are less germinable than those in dark fruitcases, and frequently lack developeddoi:10.2307/3898455 fatcat:5yfw4esn7fgv7buuybyp3peqwy