1.采收前的准备工作:对大片林区内的香椿树果铃,采收前30天左右,应适时喷施3次磷酸二氢钾或者“香椿生长剂二号”500ppm溶液,促进并调节果铃发育,使籽粒饱满整齐划一,力争种子质量优质高产。2.采收时间:根据林区光照情况,先采收阳坡发黄成熟的果铃,再依序采收阴坡晚熟的果铃。国家重点指定推广的优质香椿良种“红 1. Preparations before harvesting: Toon tree bell in large forest area, about 30 days before harvest, should be timely spraying potassium dihydrogen phosphate or “Toon No. 2” 500ppm solution to promote and Adjust the development of fruit bell so that the grain full uniform uniform, and strive to high quality seed yield quality. 2. Harvest time: According to the light conditions in the forest, first harvest the sunny yellow bell ripe bell, and then sequentially harvest the dark slope of the late bell berry. National key designated promotion of high-quality seeds of Toona sinensis "red