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慈姑种子发芽特性研究
引用本文:钟兰,李峰,李双梅,黄来春,刘玉平,柯卫东.慈姑种子发芽特性研究[J].中国蔬菜,2015,1(2):42-44.
作者姓名:钟兰  李峰  李双梅  黄来春  刘玉平  柯卫东
作者单位:武汉市蔬菜科学研究所,湖北武汉 430065
基金项目:国家科技支撑计划项目(2012BAD27B01)
摘    要:以野生型慈姑巢湖野慈、棠梨店慈和栽培型慈姑浙江农大慈、南宁家慈为试材,从贮藏方法、光照、温度等方面对慈姑种子萌发特性进行了初步探讨。结果显示:慈姑种子需要浸水贮藏,低温水浸贮存更有利于种子萌发,干燥贮存导致种子不能萌发;光照对慈姑种子萌发有明显促进作用;慈姑种子最适发芽条件为25℃、12h/12h(L/D);不同基因型慈姑种子的发芽率存在差异,野生型慈姑明显高于栽培型慈姑。

关 键 词:慈姑  种子贮藏  光照  温度  种子萌发  

Studies on Seed Germination Characteristics of Arrowhead
ZHONG Lan;LI Feng;LI Shuang-mei;HUANG Lai-chun;LIU Yu-ping;KE Wei-dong.Studies on Seed Germination Characteristics of Arrowhead[J].China Vegetables,2015,1(2):42-44.
Authors:ZHONG Lan;LI Feng;LI Shuang-mei;HUANG Lai-chun;LIU Yu-ping;KE Wei-dong
Institution:Wuhan Vegetable Research Institute,Wuhan 430065,Hubei,China
Abstract:We carried out preliminary discussion about the effects of storage method,sun light and temperature on germination characteristics of arrowhead(Sagittaria sagittifolia L.)seed,using 4 kinds of genetic arrowhead varieties,including 2 wild-type varieties‘Chaohuyeci’ and‘ Tanglidianci’,and 2 cultivated varieties‘ Zhejiangnongdaci’ and‘ Nanningjiaci’as experimental materials. The result showed that arrowhead seed need to be kept in water, especially in low temperature water, for storage,and dried storage would lead arrowhead seed losing germination ability. Light could significantly improve arrowhead seed germination. The most appropriate conditions for seed germinate were 25 ℃ and 12 h/12 h(L/D). There existed differences in germination rate of different types of arrowhead seed,the germination rate of wild types were significantly higher than that of cultivated types.
Keywords:Arrowhead  Seed storage  Light  Temperature  Seed germination  
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