不同时段补光对日光温室冬春茬黄瓜幼苗质量的影响  

Effects of Supplementary Light at Different Time on Quality of Cucumber Seedlings in Solar Greenhouse

作　　者：王冰华 孙风清 李娟起 田永强 高丽红 WANG Bing-hua;SUN Feng-qing;LI Juan-qi;TIAN Yong-qiang;GAO Li-hong(College of Horticulture,China Agricultural University,Beijing 100193,China;Beijing Key Laboratory of Growth and Development Regulation for Protected Vegetable Crops,Beijing 100193,China)

机构地区：[1]中国农业大学园艺学院,设施蔬菜生长发育调控北京市重点试验室,北京100193

出　　处：《中国蔬菜》2017年第12期23-29,共7页China Vegetables

基　　金：农业部公益性行业科研专项(201303014-11);国家重点研发计划项目(2016YED0201003)

摘　　要：日光温室冬春茬黄瓜栽培,在幼苗子叶展平期至两叶一心期分别进行不同时段的补光处理,试验期间日光温室保温被开启时间8:40~16:00。结果表明:与未补光的对照相比,T(6:40~9:40)、T(13:00~16:00)和T(15:00~18:00)补光处理均显著增加了茎粗、壮苗指数、叶面积及第1片真叶叶绿素、类胡萝卜素、可溶性糖、淀粉含量、幼苗的地下部干质量、地上部干质量、全株干质量。综合来看,以上3个时段的补光效果显著优于T(8:40~11:40)和对照,更有利于培育壮苗,且这3个时段的补光效果基本一致。This study was conducted in solar greenhouse where cucumber was cultivated in winter-spring season.During cotyledon flattened period to the second leaf starting flattened,cucumber seedlings was treated with supplementary light at different time.During experiment period heat preservation quilt was uncovered from8:40-16:00in solar greenhouse.The results showed that compared with the contrast without supplementary light,supplementary light treatment at T(6:40-9:40),T(13:00-16:00)and T(15:00-18:00)could significantly increase seedling stem diameter,healthy seedling index,leaf area,contents of chlorophyll,carotene,soluble sugar,starch,etc.and seedling dry weights of underground,over ground parts and whole plant.To sum up,the effects of supplementary light by the above3treatments are obviously superior than that of T(8:40-11:40)and the contrast.These3treatments are in favor of cultivating healthy seedlings.The effects of these3treatments are basically the same.

关 键 词：黄瓜 日光温室 冬春茬 补光时段 幼苗质量 

分 类 号：S626[农业科学—园艺学] S642.2