Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Characteristics of Flowering and Fruit According to Bearing Branch length and Flower Bud Position in Apples

사과의 결과지 길이와 꽃눈 위치에 따른 개화 및 과실 특성

  • Kim, Ho-Cheol (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University) ;
  • Hong, Dae-In (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University) ;
  • Bae, Jong-Hyang (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University) ;
  • Leem, Kyu (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University) ;
  • Kim, Tae-Choon (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University)
  • 김호철 (원광대학교 원예.애완동식물학부) ;
  • 홍대인 (원광대학교 원예.애완동식물학부) ;
  • 배종향 (원광대학교 원예.애완동식물학부) ;
  • 임규 (원광대학교 원예.애완동식물학부) ;
  • 김태춘 (원광대학교 원예.애완동식물학부)
  • Published : 2007.09.30
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Abstract

Flower and fruit characteristics, in 'Hongro' and 'Galaxy Gala' apples, were investigated by bearing branch lengths and flower bud position such as blow 5 cm, $10{\sim}15cm$ and above 20 cm length with terminal bud, and above 20 cm length with axillary bud for investigation on possibility of alternative use of long bearing branch and axillary bud in case of die-back of spur flower bud. In flowering characteristics by flower bud position in the above 20 cm length, the terminal bud was later and was short in flowering period, and also was little in number of flower per bud. Fruit weight, number of seeds, and sugar-acid ratio, in characteristics of ripening fruit, were more the blow 5 cm and $10{\sim}15cm$ length, but soluble solid and malic acid contents was the opposite tendency. In fruit characteristics by flower bud position in the above 20 cm length, the terminal bud had high tendency expected far number of seed in 'Hongro' and Hunter a value of 'Galaxy Gala' apple but had not significant difference. Correlation between fruit weight and number of seed was high. As the results, value of alternative use of long bearing branch in apples had a little expected for fruit weight, especially was more 'Galaxy Gala' and the axillary bud.

국내 육성 품종인 3년생 '홍로'와 도입 품종인 4년생 '갤럭시갈라' 사과를 대상으로 정아 고사 시 장과지 및 액아의 활용 가치를 알아보고자 결과지 길이 및 꽃눈 위치 따른 개화 및 과실 특성을 조사하였다. '홍로'와 '갤럭시갈라' 모두 개화시, 만개기 및 낙화기는 20 cm 이상 결과지에서 5 cm 미만과 $10{\sim}15cm$ 결과지보다 다소 늦었다. 화총당 꽃수도 때 정도 적었다. 과중, 종자수, 당산비 등 대부분의 과실 특성은 5 cm 미만과 $10{\sim}15cm$ 20 cm 이상 결과지보다 높았지만, 당도와 산 함량은 반대의 경향이었다. 20 cm 이상 결과지의 정아와 액아 간 대부분의 과실 특성은 액아에서 좋은 경향을 나타내었지만, '홍로' 사과의 종자수, '갤럭시갈라'의 Hunter a값을 제외하고는 유의한 차이를 나타내지 않았다. 그리고 두 품종 모두 과중과 종자 간 높은 상관성을 나타내었다. 따라서 정아 고사 시 장과지로 대체 활용할 수 있고 '갤럭시갈라'의 경우 액화아의 이용도 가능하였다.

Keywords

References

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