黄山栾树1年生播种苗生长发育规律  

Study on the Growth and Development Rule of One-year Old Seedling of Koelreuteria integrifolia

作　　者：卢芳[1] 岳媛[1] 周瑞玲[1] 

机构地区：[1]徐州师范大学生命科学学院,江苏徐州221116

出　　处：《安徽农业科学》2010年第32期18202-18203,18215,共3页Journal of Anhui Agricultural Sciences

基　　金：江苏省徐州市科技局社会发展项目(xm08c010)

摘　　要：[目的]加速黄山栾树在徐州园林中的应用,培育优质的黄山栾树苗木。[方法]通过黄山栾树播种育苗试验,用Logistic方程拟合其苗高生长模型。[结果]黄山栾树苗高的生长规律符合"S"型生长曲线,可用Logistic方程来拟合。可把黄山栾树生长期划分为4个阶段,即出苗期(5月l日以前)、生长初期(5月l日至6月4日)、速生期(6月5日至8月28日)和生长后期(8月29日至10月18日)。其速生期的生长量占整个生长量的54.48%。黄山栾树1年生播种苗地上部分与地下部分生物量比例为1.53∶1.00。[结论]为黄山栾树的播种育苗及苗期管理提供了参考依据。[Objective] The application of Koelreuteria integrifolia in Garden market of Xuzhou city was sped up through the good-quality Koelreuteria integrifolia seedling was cultured.[Method] The growth model of seedling height of Koelreuteria integrifolia was fitted with Logistic equation based on the experiment in its sowing.[Results] The results indicated that growth pattern of seedling height of Koelreuteria integrifolia was fitted for curve of ＂S＂,which could be simulated with Logistic equation.The growth period could be divided into foue stages： the seedling emergence（before the first of May）,the initial growth stage（from the first of May to the fourth of June）,the rapid growth stage（from the fifth of June to the twenty-eighth of August）and late growth stage（from the twenty-ninth of August to the eighteenth of Oct.）,among which,the biomass in the rapid growth stage was occupied over 54.48% of total.The ratio of the biomass between aerial part and subterranean part of the tree was 1.53∶1.00.[Conclusion] The reference for seedling-raising of the Koelreuteria integrifolia and its management was provided through the experiment.

关 键 词：黄山栾树 播种苗 苗高 年生长规律 LOGISTIC方程 

分 类 号：S79[农业科学—林木遗传育种]