摘要
通过对色木槭开花习性与幼果发育的观察与研究，结果表明：在相同小气候条件下，株闯花期物候特征相差4～6d，所需要的≥10℃的有效积温存在明显差异，是遗传差异作用的结果；然而花期差异不大，为15-16d。花的形态构造有2种类型、3个开放时间。即第1批花为雄蕊伸长型，第2批花为雌蕊伸长型，第3批既有雄蕊伸长型，亦有雌蕊伸长型；雌蕊伸长型最终发育成小幼果，存在部分花果同期现象。
The blooming characteristics and fruit development of Acer motto . were observed. Results showed the phonological phases were different at 4 - 6 days among individuals under same micro - climate environment, with significant difference of effective aeettmulated temperature over 10℃. However, the blooming period was similar among individuals, keeping on 15 - 16 days. There were 2 type of flower structures and 3 blooming times. Flowers blooming first were the type of elongating stamens, booming second were the type of elongating pistil, and blooming third were the types of both elongating stamens and pistil. The flowers with elongating pistils could develop into fruits. The contemporaneous period of flower and fruit occurred.
出处
《吉林林业科技》
2009年第6期1-2,15,共3页
Journal of Jilin Forestry Science and Technology
关键词
色木槭
开花习性
幼果发育
Acer motto
blooming characteristics
fruit development
