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자료유형
학술저널
저자정보
배성환 (경북대학교) Adnan Younis (경북대학교) 황윤정 (삼육대학교) 임기병 (경북대학교)
저널정보
한국화훼학회 화훼연구 화훼연구 제23권 제3호
발행연도
2015.1
수록면
125 - 130 (6page)

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The taxonomic importance of pollen morphology in family Malvaceae had long been acknowledged as it provides the basis for palynological and phylogenetic analysis. In present study, pollen morphological characteristics of various Hibiscus syriacus cultivars were examined. The objective of this study was to provide comprehensive evidence on pollen morphology and to determine pollen morphological diversity in cultivars of H. syriacus that would be useful for plant taxonomy and classification. To get a clear insights of the pollen morphology, scanning electron microscopy (SEM) was carried out. It has been recorded that the pollen diameter of 16 cultivars of H. syriacus ranges from 108.81 to 172.15 μm. The maximum pollen size was reported from the cultivar ‘Chongdansim’ followed by the cultivar ‘Paedal’. The maximum spine exine length was reported from ‘Jabae’ (25.29 μm) followed by ‘Collie mullens’ (23.25 μm), whereas the minimum value was recorded from ‘Paedal’ (8.16 μm). It is apparent from this study that pollen morphology of various H. syriacus cultivars was fairly uniform, and in almost all studied cultivars the pollen shape was spheroidal. The spines were present in all studied cultivars and varied considerably among the cultivars. The pollen spine features presented notable variations which were of great significance at both specific and generic levels, and has also been helpful in understanding the process of spine evolution within H. syriacus. The maximum distance between spines was observed from cultivar ‘Gyewolhyang’ that had distance of 45.03 μm. The morphological characteristics of pollen studied in this study could be useful in performing a more efficient Hibiscus hybridization and breeding in future.

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