ZHANG Zhenghai,ZHANG Yue,ZHANG Yayu,et al.Study on the Relation of Flower Bud Differentiation of Rubus crataegifolius Bge.With Temperature and Sunshine Duration Change[J].Northern Horticulture,2016,40(02):33-36.[doi:10.11937/bfyy.201602009]
山楂叶悬钩子花芽分化与温度和日照时数变化关系研究
- Title:
- Study on the Relation of Flower Bud Differentiation of Rubus crataegifolius Bge.With Temperature and Sunshine Duration Change
- 文献标志码:
- A
- 摘要:
- 采用正中纵向石蜡切片法，对山楂叶悬钩子花芽分化与年温度和日照时数变化之间的关系进行了研究。结果表明：山楂叶悬钩子花芽分化过程与温度和日照时数之间存在对应关系，在5—7月份进行营养生长，腋芽分化出7个鳞片，8月初花序开始分化，8月中旬花芽开始分化，花芽分化集中在8月下旬至9月中旬；顶端花芽先于侧面花芽分化，花萼在9月下旬开始分化，在冬眠前花芽发育至花萼阶段，经过约5个月的冬眠，花芽在第2年4月初开始花器官分化，在4月末至5月初完成花器官分化。
- Abstract:
- This study aim to investigate the relation of the flower bud development process of R.crataegifolius Bge.with annual temperature and sunshine duration change using median longitudinal paraffin sections.The results showed that the flower bud differentiation stages had corresponding relationship with temperature and sunshine duration，new plant was mainly for vegetative growth from May to late July，during this period of time，axillary bud produced seven bracts.Inflorescence differentiated from early August，flower bud primordium differentiated from mid-August，most of the flower bud primordium differentiated at September，sepal primordium differentiated from late September，flower bud stopped differentiation at sepal stage before into dormancy.After about five months of dormancy，floral organs differentiated from early April in the next year，which completed at late April to early May.
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备注/Memo
第一作者简介：张正海（1981-），男，硕士，助理研究员，现主要从事药用植物栽培育种等研究工作。E-mail:258473227@qq.com. 责任作者：张亚玉(1966)，女，博士，研究员，现主要从事药用植物栽培等研究工作。Email:zyy1966999@sina.com.