Breeding of lilies and tulips-Interspecific hybridization and genetic background.

Breeding of lilies and tulips-Interspecific hybridization and genetic background.
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DOI:
10.1270/jsbbs.17097
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发表时间:
2018-01
期刊:
影响因子:
2.4
通讯作者:
Okazaki K
Okazaki K
中科院分区:
农林科学3区
文献类型:
--
作者:
Marasek-Ciolakowska A;Nishikawa T;Shea DJ;Okazaki K

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百合和郁金香是百合科重要的观赏球根植物。在这里,我们总结了主要的育种目标,一个综合的方法切割风格授粉和受精,然后胚胎拯救和有丝分裂和减数分裂多倍体化参与新品种的发展的作用。这两种作物都经过了广泛的种间杂交,然后进行了选择。此外,自发的多倍化在它们的进化中发挥了作用。在百合中,有一种趋势是用多倍体品种取代二倍体,而在郁金香中,除了三倍体达尔文杂交郁金香外,今天存在的大多数品种仍然是二倍体。基因组原位杂交(GISH)等分子细胞遗传学技术的引入,使百合和郁金香种间杂种的基因组组成得以详细研究,并可追踪种间杂交的染色体遗传。此外,本文还介绍了百合和郁金香系统发育关系的最新研究进展,以及利用不同DNA分子技术构建分子图谱的最新进展。
Lilies and tulips (Liliaceae family) are economically very important ornamental bulbous plants. Here, we summarize major breeding goals, the role of an integrated method of cut-style pollination and fertilization followed by embryo rescue and mitotic and meiotic polyploidization involved in new assortment development. Both crops have been subjected to extensive interspecific hybridization followed by selection. Additionally, spontaneous polyploidization has played a role in their evolution. In lilies, there is a tendency to replace diploids with polyploid cultivars, whereas in tulip a majority of the cultivars that exist today are still diploid except for triploid Darwin hybrid tulips. The introduction of molecular cytogenetic techniques such as genomic in situ hybridization (GISH) permitted the detailed studies of genome composition in lily and tulip interspecific hybrids and to follow the chromosome inheritance in interspecific crosses. In addition, this review presents the latest information on phylogenetic relationship in lily and tulip and recent developments in molecular mapping using different DNA molecular techniques.
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