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BR—120是油菜内酯类物质的缩称,是继生长素、赤霉素、细胞分裂素、脱落酸、乙烯五大类植物激素之后,被誉为高活性、增产效果显著、优良抗逆性能的第六类激素。七十年代被美国科学家首先从油菜花粉中提取发现,八十年代末在我国由云南大学的生化专家研究合成成功,并由云南大学南亚生物化工厂投入批量生产。几年来,经云南、山东、河南、贵州、河北等地试验证明,BR—120可
BR-120 is the abbreviation of rapeseed lactones, which is regarded as high activity, remarkable yield-increasing effect and excellent resistance to stress after following five plant hormones such as auxin, gibberellin, cytokinin, abscisic acid and ethylene The sixth type of hormone. The seventies by the United States scientists first extracted from the rape pollen found that the late eighties in China by the biochemical experts in Yunnan University successfully synthesized by the Yunnan University, South Asia biological chemical plant into mass production. In recent years, Yunnan, Shandong, Henan, Guizhou, Hebei and other places proved that, BR-120 can be