种子繁殖的牡丹(俗称种生苗),具有花单瓣或半重瓣,结籽多,根部发达,根皮较厚,生长速度快,易变异等特点,因此在以药材为目的的生产上和以选育优良品种为目的的育种上,多采用这种方法。一、采种一般在8月初,牡丹种子陆续成熟。最初种子为白色,接近成熟为咖啡色,老熟时呈黑色。当果实呈蟹黄色时摘下,放室内阴凉潮湿地方,使种子在壳内后熟,并经常翻动,以免发热,待 Seed breeding peonies (commonly known as seedlings), with flowers single or semi-double petals, more seed, root developed, thick root bark, rapid growth, easy variation and other characteristics, so in the production of medicinal herbs for the purpose And to breeding fine varieties for the purpose of breeding, use more of this method. First, seed collection is generally early August, peony seeds gradually mature. The initial seed is white, nearly mature to brown, mature black. When the fruit was crab off, put the indoor cool and humid place, so that the seeds in the shell after ripening, and often flip, so as not to heat until