Ceratoides lanata (Pursh) J. T. Howell is a shrub with numerous annual branehlets from the Chenopodiaceae family and is widely distributed in brackish water playas of northern Utah. Seeds had no dormancy, and about 90% of the seeds germinated in nonsaline control. Seed germination decreased with the increase in salinity,and more than 10% of the seeds germinated at 900 mmol/L NaC1.Almost all seeds germinated in less than 24 h, and no additional seed germinated after this time. Gibberellic acid had no effect in alleviating salinity effects;however, kinetin and fusicoccin substantially alleviated the effect of salinity on germination, while ethephon almost completely reverted the effect of salinity.%绵毛优若藜[Ceratoides lanata（Pursh）J．T．Howell]是一种灌木，具有一年生小枝，属于藜科，广泛分布于美国犹他州北部盐碱沙地。其种子没有休眠性，大约90％的种子在非盐碱土条件下发芽。其种子发芽率随盐度的增高而下降，超过10％的种子在900mmol／L氯化钠中可以发芽．且几乎所有的种子在不到24h内发芽，超出这个时间段后不再有种子发芽。赤霉酸不能缓解盐度对绵毛优若藜种子发芽产生的影响，而激动素和壳梭孢（菌）素可以大大减轻盐分对其发芽的影响，乙烯利能够完全缓解盐胁迫对绵毛优若藜种子发芽的影响。
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