The main causes resulting in poor anther dehiscence in hybrid F1 were different with the kind and the number of heterozygous pollen sterility loci.
杂种f 1花药不开裂的原因随其所含的杂合花粉不育基因座位种类和数目不同而异。
Plants with cytoplasmic male sterility (CMS) failed to produce viable pollen, and this was resulted from dysfunctional mitochondrial DNA.
植物细胞质雄性不育(CMS)是指植物不能产生具有正常功能的花粉。
Its sterility shows stable and is a potential recourse to produce pollen-free ornamental sunflower hybrid.
这个不育系的育性表现比较稳定，有可能用于无花粉观赏向日葵杂交种的生产。
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