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角果藜的结实格局及地下散布单位的入土机制/Fruit-set patterns and burial mechanism for subterranean dispersal units of Ceratocarpus arenarius[J]
Authors
GAO Rui
WANG Xi-yong
+11 more
WEI Yan
ZHOU Xiao-qing
中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011
周晓青
新疆农业大学草业与环境科学学院新疆草地资源与生态重点实验室,新疆乌鲁木齐,830052
新疆农业大学草业与环境科学学院新疆草地资源与生态重点实验室,新疆乌鲁木齐830052
王喜勇
辽宁丹东市青山保护局,辽宁丹东,118000
陕西宝鸡石油中学生物组,陕西宝鸡,721001
高蕊
魏岩
Publication date
1 January 2014
Publisher
Abstract
通过对藜科植物角果藜的物候、地上地下结实格局及地下散布单位入土方式的观察,结果表明,1)角果藜子叶期持续时间长;开花结实早,且持续时间长,约占整个生活周期的4/5.2)地下散布单位仅2枚,位于主茎第1节处,地上散布单位多数,位于三歧聚伞状分枝的叶腋处;形成地下散布单位的花具有专一性.3)地下散布单位以主动性的动态“翻转”模式并借助外力因素的被动方式顺利入土.地上地下结果特性是角果藜适应荒漠生境的特殊对策
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016