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개나리屬의 種間交雜에 關한 硏究

STUDIES ON THE INTERSPECIFIC CROSSING OF GENUS FORSYTHIA

한국식물학회지 1961년 4권 1호 p.1 ~ 8
Harn Chang-Yawl,
소속 상세정보
 ( Harn Chang-Yawl ) - Chonpuk National University

Abstract


Harn, Chang Yawl (Chonpuk U., Iri, Korea)-Studies on the interspecific crossing of FORSYTHIA Genus. Kor. Jour. Bot. 4 (1) 1~8 196l: Interspecific crossing of two species, F. saxatilis and F. Koreana, was caerried out in order to make clear the segregatifn ratio of style length, mode of fertility, the fertility of Fl generratio, dioecism, and other taxonomic question, the result of which being summarized as follows:
1) Style length is segregated inte 1:1 ratio.
2) The behavior of fertility in the legitimate and illegitimate unions between the different species is exactly like that in the two dimorphic forms of the same species.
3) The mode of fertility between the long and short style of the Fl generation also follows that of the heterostyle plants.
4) No difficulties or irregularities are observed in the interspecific crossing and the Fl´s ferility.
5) In Fl generation exceedingly high morphological and physiological variations are observed.
6) The short style individual is well fertilized and sets seed when legitimately combined. The insistence that the short style is male, this genus being dioecious, is groundless.
7) Among Fl individuals, are observed a few dwarf-types with tiny and weak vegetative and reproductive organs:
8) The two species used behave in many ways like the different styles of the same species.

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