苗期遮光对易抽薹型大白菜抽薹开花的影响  

Effect of Shading in Seedling Stage on Bolting and Flowring in Chinese Cabbage

作　　者：张凤兰[1] 徐家炳[1] 赵岫云[1] 林海英 

机构地区：[1]北京市蔬菜研究中心

出　　处：《中国蔬菜》1996年第3期22-25,共4页China Vegetables

摘　　要：以易抽薹型大白菜自交不亲和系８７１５８为试材，探讨了苗期遮光对其抽薹开花的影响。结果表明：４叶１心和６叶１心的幼苗的花芽已分化，２叶１心开始遮光处理以每天处理６小时的效果最好，比对照延迟花芽分化７天。遮光处理对易抽薹型大白菜延迟现蕾和抽薹开花有一定的作用，在本试验范围内，开始遮光处理的时间越早，每天遮光处理的时间越长，遮光处理的天数越多。The self-imcompatibility line 87158, an easy bolting type was used to study the effect of shading in seedling stage on bolting and flowering.The results showed that flower buds had differentiated when the seedling was in four-leaf stage or six-leaf stage. The flower buds differentiated 7days later the control when two leaf seedlings were shaded for six hours everyday. Shading treatment delayed the time of bolting and flowering in Chinese cabbage. The shading effects were more significant when it was treated earlier, more days and longer period each day.

关 键 词：大白菜 易抽苔型 遮光 抽苔开花 

分 类 号：S634.101[农业科学—蔬菜学]