ISHS Acta Horticulturae 403: International Symposium on Cultivar Improvement of Horticultural Crops. Part 2: Fruit Crops
STUDIES ON EMBRYOLOGY SOME RELATIVE CHARACTERS OF APOMIXIS IN MALUS HUPENHENSIS REHD |
| Authors: | H. Zukun, Y. Chuanyou, L. Chengying, C. Xuesen |
| Keywords: | Malus Hupenhensis Rehd, apomixis, pollen mother cell, male abortion, parthenogenesis |
| Abstract:
Malus Hupenhensis Rehd has a character of natural apomixis. There are six relative characters; 1. Male abortion; 2. The embryo sac of M. hupenhensis Rehd is directly developed from the embryo sac mother cell through mitoses; 3. The first cell of unisexual proembryo developed from nonfertilized egg and it belongs to parthenogenesis in apomixis; 5. When pollen of the same genus and subfamily fell in the stigma false-fertilized phenomenon may occur. 6. The developmental path of proembryo of unisexual embryo belongs to soland type. | |
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