摘要
１９９１～１９９２年的观测研究表明，在北京地区，板栗（Ｃａｓｔａｎｅａｍｏｌｌｉｓｓｉｍａ）两性花序原基３月中旬开始分化；雌花序原基４月中旬开始发生；子房原基在总苞底部出现后，相继分化出花被筒、花柱和子房．花柱分离，花被筒基部发现败育的花药．试验树体全氮（ＴＮ）、全磷（ＴＰ）和可溶性糖（ＣＨ２Ｏ）的含量在营养周期中波动．
The observation indicates that the original state of mixture inflorescence about chestnut occurs in the second ten-day of March in Beijing area.The Original state of female inflorescence occurs in the second ten-day of April.The original state of ovary occurs at bottom of total package.The tube of flower envelop,styles and ovary are differentiated by the original state of ovary gradually.Styles are separate.There are degenerate anthers at bottom of the tube of flower envelop.Nutrition level of tree body (TN,TP,CH2O)have change in the period of year.The paper also discussed the measure to ipcrease quantity of female flowers according to observation's result.
出处
《首都师范大学学报（自然科学版）》
1994年第4期70-74,共5页
Journal of Capital Normal University：Natural Science Edition
关键词
板栗
混合花序分化
雌花分化
树体营养
differentiation of mixture inflorescence,differentiation of female flowers,nutrition level of tree body
