In vitro pollination of angiosperm ovules with gymnosperm pollen grains

被引：3
作者：
Zenkteler M. [1 ]
机构：
[1] Laboratory of General Botany, Institute of Experimental Biology, Adam Mickiewicz University, Poznań
来源：
In Vitro Cellular & Developmental Biology - Plant | 2000年 / 36卷 / 2期
关键词：
Angiosperms; Gymnosperms; In vitro pollination;
D O I：
10.1007/s11627-000-0025-3
中图分类号：
学科分类号：
摘要：
Pollen grains of the gymnosperm species Ephedra distachya and Pinus wallichiana germinated abundantly on the in vitro cultured placentae of the angiosperm species Nicotiana tabacum, Melandrium album and Allium moly. Some P. wallichiana pollen tubes entered the micropyles of M. album. Embryological observations of cross-pollinated M. album ovules 2 or 3 d after cross-pollination revealed the presence of pollen tube remnants within the embryo sacs. Karyological disturbances in the two- and three-celled proembryos and endosperm nuclei indicated their probable hybrid origin. In some crosses, gynogenetic haploid proembryos were also noticed.
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收藏
页码：125 / 127
页数：2
相关论文
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