Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Effect of Planting Site and Direction of Fruiting on Fruit Frost Damage in Persimmon (Diospyros kaki 'Fuyu') Fruits from Environment-friendly Orchard

친환경 과원의 단감 '부유'(Diospyros kaki 'Fuyu') 과실의 동상해에 미치는 나무의 식재위치와 착과방향의 영향

  • 강성구 (한국농수산대학 과수학과) ;
  • 안광환 (경상남도농업기술원 단감연구소) ;
  • 최성태 (경상남도농업기술원 단감연구소) ;
  • 도경란 (국립원예특작과학원 과수과) ;
  • 조광식 (국립원예특작과학원 배시험장)
  • Received : 2014.11.04
  • Accepted : 2014.11.13
  • Published : 2014.12.31
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Abstract

We have analyzed the effect of planting site (elevation) and direction of fruiting on the frost damage (tolerance to transparent skin and blemishes) of persimmon (Diospyros kaki Thunb) 'Fuyu' fruit subjected to the early fall frost (November 2, 2012) in environment-friendly orchards of Changnyeong and Changwon (Gyeongsangnam-do Korea). In Changnyeong, the direction of fruiting showed a significant effect on the fruit weight and the fruit width (p<0.01), and the fruit firmness (p<0.05) while the planting site (elevation) did a highly significant effect on the fruit width and the frost damage (p<0.01), and fruit length (p<0.05). In particular, severe frost damage of fruit (15.2%) and leaves (about 90%) was observed in the plants located in the low elevation area of orchard. The damaged fruit had an transparent skin color and/or blemishes. In Changwon, there was no effect of the planting site and the direction of fruiting on the frost damage, and the fruit characteristics except the fruit width having been related to the planting site (p<0.05). So, the main effects for the fruit frost damage was a terrain factor around the orchards.

본 연구는 친환경단감과원의 부유(Diospyros kaki 'Fuyu') 과실을 대상으로 창원과 창녕지역에서 발생한 저온내습(2012년 11월 2일)으로 인한 가을 동상해발생과 식재위치(표고) 및 나무 내에서의 착과 방향의 관계를 알아보고자 수행되었다. 창녕지역 과원의 과중과 과실횡경은 착과방향에 의해 강하게 영향을 받았으며(p<0.01), 과실종경과 동상해발생은 식재위치(p<0.01)와 깊은 관계가 있는 것으로 나타났다. 과실경도와 과실종경은 각각 착과방향과 식재위치의 영향을 받는 것으로 밝혀졌다(p<0.05). 특히 동상해는 과원 하단에 식재된 나무의 과실(15.2%)과 잎(약 90%)에서 심하게 나타나 동상해의 주요 요인이 과원의 지형적 특징인 것으로 나타났다. 과실 동상해를 입은 과실은 과피에 수침상 반점이나 흔적이 발생했다. 한편 창원지역의 과원에서는 과실횡경이 식재위치의 영향을 받은 것(p<0.05)을 제외하고 식재위치와 착과방향이 과실의 생육 및 동상해발생에 영향을 주지 않았다.

Keywords

References

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