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高麗人蔘의 雌性配偶體形成에 關한 硏究

Development of Female Gametophyte of Penax ginseng.

한국식물학회지 1963년 6권 2호 p.3 ~ 6
韓昶烈, 黃鍾奎,
소속 상세정보
韓昶烈 (  ) - 全北大學校 農科大學
黃鍾奎 (  ) - 全北大學校 農科大學

Abstract


HARN, Changyawl and WHANG, Jongkyu(Coll, of Agr., Chonpuk National University) Development of female gametophyte of Panax ginseng. Kor. Jour. Bot. VI(2): 3-6, 1963.
As a part of embryological studies of Panax ginseng, megasporangium and megagametophyte formations were investigated.
Ovule is found to be anatropous. Small-sized nucellus is surrounded by thick layered single integument.
As the embryo sac develops, the nucellus along with some parts of the inner epidermis of integument disintegrates and completely disappers at flowering stage. Embryo sac takes the type of typical Polygonum although antipodal cells disappear and polar nuclei fuse to form secondary nucleus before fertilization, Mature embryo sac consists of egg apparatus and large secondary nucleus lying adjacent to the egg.
Besides the normal ovule, tiny incomplete ovule develops near the base of style. Frequently two normal ovules are formed in a single locule. Chromosome number counted is PMC is n=24.

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