两种早熟型大白菜苗期叶片生长规律分析  

Growth Regulations Analysis of Seedling Leaves of Two Precocious Chinese Cabbage Varieties

作　　者：李红颖[1] 刘倩[1] 张一卉 李化银 邱念伟[1] 王凤德 高建伟 

机构地区：[1]曲阜师范大学生命科学学院,山东曲阜273165 [2]山东省农业科学院蔬菜花卉研究所/山东省设施蔬菜生物学重点实验室/国家蔬菜改良中心山东分中心,山东济南250100

出　　处：《山东农业科学》2015年第3期27-29,共3页Shandong Agricultural Sciences

基　　金：山东省良种工程项目(2012lzgcshucaizy);山东省现代农业产业技术体系蔬菜产业创新团队建设项目(SDAIT-02-022-04);国家"863"计划项目(2012AA100103009)资助

摘　　要：以早熟5号和863快菜两种早熟型大白菜为试材,对其苗期叶片的生长规律进行了研究。结果表明,在播种后0~25d内,两个品种均表现为第1叶生长最慢,第6叶生长最快;出叶呈逐渐加快的趋势;植株鲜重的增长随叶数的增加而逐渐加快。The seedling leaves growth regulations of two precocious Chinese cabbage varieties Zaoshu No.5 and 863 Kuaicai were studied .The results indicated that within 25 days after planting , the first leaves of these two varieties had the lowest growth rate while the sixth leaves had the fastest , and the leafing rate of these two varieties sped up gradually .Furthermore , the increase velocity of plant fresh weight accelerated gradually with the increase of leaf number .

关 键 词：早熟型大白菜 苗期 叶片 生长规律 

分 类 号：S634.1[农业科学—蔬菜学]