申请人:Okamoto; Toshihiko
公开号:US04279639A1
公开(公告)日:1981-07-21
Plant growth and suppression regulators of the N-(2-substituted-4-pyridyl)urea and thiourea type are provided, which exhibit excellent cytokinin-like activities and are thus useful for regulating plant growth in various fashions, such as acceleration of growth when used in flowering or fruiting at a controlled time when used in small amounts, and controlling compositions such as sugar, alkaloids, etc. of plants, or suppression of plant growth when used in an amount higher than optimal for growth acceleration, etc.
提供了N-(2-取代-4-吡啶基)脲和硫脲的植物生长和抑制调节剂,其表现出优异的细胞分裂素样活性,因此可用于以各种方式调节植物生长,例如在开花或结果时加速生长,当以小剂量使用时,在控制的时间内使用,以及控制植物的组成,如糖、生物碱等,或当使用量高于促进生长的最佳量时抑制植物生长等。