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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.47 No.6
발행연도
2006.12
수록면
371 - 375 (5page)

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초록· 키워드

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The present research was undertaken to observe the changes in sexual organs during pollination in chrysanthemum. Stamens began to grow in the narrow disc florets first and thereafter pistils grew and pushed the pollen grains from the base so that the pollen adhered to the stigma. If the pistils were not pollinated with the pollen of other cultivars, no seeds could be produced. Therefore, such development was beneficial to explain the self-incompatibility characteristics of chrysanthemum. When the chrysanthemum flowers of several cultivars were self-pollinated and investigated one day later, there were no shriveled pistils and no seed production in the flowers in the end. In 'Lineker Salmon' and 'Lineker White', many pistils of the cross-pollinated flowers were shriveled into the disc florets and produced some seeds. Consequently, the non-shriveling pistil in the self-pollinated flowers can be used as an early evidence for the incompatibility of chrysanthemum. Chrysanthemums are already known to show sporophytic self-incompatibility, and it was confirmed by the observations of stigmas with no adhered pollen grains or inhibited pollen tubes with no penetration in this experiment. It was possible to use the pollens after long storage period over 2 months at low temperatures like -75 and -20℃. The self-incompatibility characteristics in chrysanthemums can be explained by the several changes of sexual organs.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Literature Cited

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