| abstract |
(57) Abstract: Spraying a defoliant and a deciduous fruit tree at the fruit coloring stage characterized by containing a fatty acid compound having 8 to 20 carbon atoms as an active ingredient. A feature of this method is the selective defoliation of mature leaves. [Effect] The defoliant of the present invention is a sprout with active metabolic activity, It can promote yellowing and defoliation of old mature leaves without affecting plant tissues such as new leaves, adult leaves, stems, flowers, and fruits. |