Korean Journal of Agricultural and Forest Meteorology (한국농림기상학회지)

Korean Society of Agricultural and Forest Meteorology (한국농림기상학회)
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Fruit Quality of 'Tsugaru' Apples Influenced by Meteorological Elements

사과 '쓰가루' 품종의 과실 품질에 영향을 미치는 기후요인

  • Hyeong-Ho Seo (Fruit Tree Cultivation Division, National Horticulture Research Institute, RDA) ;
  • Hee-Seung Park (Division of Biological Science and Resources, Chung-ang University)
  • Published : 2003.12.01
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Abstract

An analytical study was conducted in 2002 to observe the relationship between meteorological elements and the fruit quality of 'Tsugaru' apples at 8 orchards. The higher average air temperature in August made a higher content of soluble solids, but showed a lower anthocyanin content. As the average air temperature from April through August increased, flesh firmness decreased; and as the maximum air temperature from April through August increased, Hunter a value also decreased. Additionally, it was observed that the cytohistological characteristics of 'Tsugaru' apples were correlated with the average air temperature during the growing season. As average air temperature during the growing season increased, the epidermal layer of the fruit skin became thinner, starch density in the flesh decreased, intercellular space was larger, and tissue structure became looser.

본 실험은사과원의 위치에 따라 국지기후조건이 다양함을 보여주었으며, 이와 같이 다양한 기후환경은 과실의 품질에 직간접적으로 많은 영향을 미치고 있는 것으로 조사되었다. 즉, 당함량과 anthocyanin 함량은 8월의 평균기온에 따라 다른 것으로 나타났으며 일정한 상관관계를 가지고 있었다. 또한 4월에서 8월까지의 평균기온과 과육의 경도 사이에 일정한 상관이 인정되었으며, 4월에서 8월까지의 최고기온과 Hunter a값 사이에도 상관관계가 인정되었다. 이러한 기후조건의 범위는 세포조직학적 특성에도 영향을 미쳤으며, 온도는 과피층 세포의 수와 크기에 영향을 주었다. 따라서, 사과 주산지의 과실 품질은 기후의 영향을 크게 받아 매우 다양하게 나타나는 것으로 조사되었다.

Keywords

References

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