首先要掌握好种子的成熟期和成熟度。即使是同一棵花木,种子也不会同时熟,随熟随采收,以免风吹种落鸟啄食,或阴雨天种子霉烂、种子熟透散落。要选开花早或成熟早的种子留种。这样的种子来年播种发芽早且健壮,开花也早。如发现花朵或颜色等有变异的应单独收留和 First of all, have to master the maturity and maturity of the seed. Even with the same flowers and trees, the seeds will not be cooked at the same time, with the ripening with the harvest, so as not to wind pests species of pecking, or rainy days seed rotten seeds scattered ripe. To choose early flowering or mature early seed stay. The seeds will germinate early and grow strong in the coming year, and flowering will be early. If there is any variation of flowers or colors, they should be collected separately