作　　者： ; ; ; ;

机构地区： 华南农业大学园艺学院

出　　处： 《中国蔬菜》 2004年第1期6-9,共4页

摘　　要： 花椰菜生长过程植株及根、茎、叶和花球的鲜质量和干质量、叶面积和净同化率等都逐步增长,均以花球形成期增长最快。幼苗期成长的5枚展叶,主要为建成幼苗起作用,叶簇生长期发生和成长的第7-22叶对叶簇形成和花球分化发育都起重要作用。花球干物质占植株干物质少于30％。花球不论大小,其分球质量都由外而内逐渐减轻,最外的15个分球质量占花球质量的大部分;大花球比小花球重是由于分球数较多、分球较重所致。 The fresh and dry weight of plant, root, stem, leaf and curd, leaf area, net assimilating rate ( NAR) during cauliflower growth and development increased gradually, the increase extent and NAR were highest at curd formation stage. The 5 leaves developed at seedling stage played main role in seedling development, 7th to 22nd leaves developed at leaves development stage played important role in leaf fascicle and curd development. Dry matter allocated to curd were less than 30 % . Whether big curd or small one, the sub-curd decreased gradually from outside to inside, the weight of 15 outer sub-curds accounted for most weight of curd. The big curd was heavier than small curd, mainly due to more and heavier sub-curds.

关 键 词： 花椰菜 生长动态 花球组成 干物质积累 干物质分配 叶面积

领　　域： [农业科学] [农业科学]