| abstract |
PURPOSE: To obtain a plant-growth regulator effective in promoting the sprouting and initial growth of plant by using one or more kinds of indole derivatives (some of which are novel) as active components. n CONSTITUTION: The objective plant growth regulator contains, as active components, one or more kinds of indole derivatives (e.g., 2-chloroindole-3- carboxyaldehyde) including novel indole derivatives of formula I (X is -CHO; Y is H, halogen, lower alkyl, phenyl, pyridyl, 3-hydroxy-3-methyl-1-buten-1-yl or 2-methoxycarbonylethen-1-yl; Z is H; R is 3-methyl-2-buten-1-yl) [e.g., 2- bromo-1-(3-methyl-2-buten-1-yl)indole-3-carboxyaldehyde of formula II]. The agent is applicable to rice, wheat, cucumber, tomato, flowers, etc. n COPYRIGHT: (C)1990,JPO&Japio |