[논문]단감 '부유' 과실의 저장특성에 미치는 수확기 동상해 및 과수원 온도조건의 영향

곽용범; 김승희; 안광환; 이창훈; 강성구

doi:10.23097/jpaf.2021.23(1):67

단감 '부유' 과실의 저장특성에 미치는 수확기 동상해 및 과수원 온도조건의 영향
Effect of Frost Injury in Harvest Season and Temperature Condition of Orchard on Storage Characteristics of Persimmon (Diospyros kaki 'Fuyu') Fruit 원문보기

현장농수산연구지 = Journal of practical agriculture and fisheries research, v.23 no.1, 2021년, pp.67 - 80

곽용범 (국립한국농수산대학 과수학과) , 김승희 (국립한국농수산대학 과수학과) , 안광환 (경남농업기술원 단감연구소) , 이창훈 (국립한국농수산대학 과수학과) , 강성구 (국립한국농수산대학 과수학과)

초록
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단감 '부유'의 가을 동상해 발생과 과실생장에 미치는 식재위치의 표고와 농장의 온도환경의 영향과, 서리가 발생한 과수원의 과실 저장 특성을 알아보고자 경남 창원(과원 A)과 창녕(과원 B)의 경사지 과원에서 표고별(상, 중, 하)로 과실특성을 조사하고 서리가 발생한 후 수확한 과실을 MA저장 후 저장특성(품질, 저온장해)을 조사하였다. 수확기 전후(10월25일, 11월5일, 11월20일)에 조사된 두 과원의 과실의 생장 특성(과중, 당도, 경도)은 표고와 농장 요인의 유의미한 영향을 받지 않았다. 과실 착색은 표고 요인의 영향을 받았으며, 과실의 착색(hunter 'a')은 B 과원보다 A 과원에서 더 빨리 진행되었다. 수확기에 발생한 저온으로 인하여 과원 B의 하부에서만 약 2%의 과실에서 동상해 피해가 관찰되었다. 두 과원(A, B)에서 11월 5일과 11월 20일에 수확한 과실을 저밀도 폴리에틸렌 필름을 사용하여 MA저장 한 결과, 저온지 과원(B)보다 고온지 과원(A)의 과실 경도가 높게 유지되었다. 그리고 11월 5일에 수확한 과실은 약 80일 저장 후에도 건전과율이 과원 A에서 약 73%, 과원 B에서 약 85%로 높게 유지되었으나, 11월 20일(서리 발생 후) 수확한 과실은 A 과원의 과실은 약 80일 저장 후에도 76%의 높은 건전과율을 유지하였으나 B 과원의 과실 건전과율은 약 14%에 불과했다.

Abstract ▼ AI-Helper

We analyzed the effect of planting site (elevation: high, middle, low) and temperature condition of orchard on the frost injury occurrence and storage characteristics of persimmon (Diospyros kaki cv. 'Fuyu) fruits under an early fall frost at two orchards, Changwon (A) and Changnyeong (B), Gyeongsangnam-do Korea. Also, the fruits picked at Nov. 5 and Nov. 20 were MA stored to investigate the quality and chilling injury of fruits. On 2-way factor analysis, both planting elevation and orchard factor had not a significant effect on fruit characteristics (weight, firmness, soluble solid), while planting elevation factor did on the skin color (hunter 'a')(p<0.05). A fruit skin coloration at orchard A was faster than that at orchard B. At low elevation of orchard B, 2% fruits were frost injured at harvest season. On LDPE film MA storage with the fruits harvested at Nov. 5 and Nov. 20, the fruits at orchard A had higher fruit firmness than those of orchard B during storage. In addition, the 73% (orchard A) and 85%(orchard B) fruits harvested at Nov. 5 showed no chilling injury 80 days after storage. However, At harvest of Nov, 20 (after incidence of frost), only the 14% fruits of orchard B had no the chilling disorder 80 days after storage, even though 76% fruits at orchard A did.

주제어

표/그림 (19)

그림 Fig. 1. Temperature change for sweet persimmon orchards at Changwon(orchard A) and Changnyeong(orchard B) Korea in November, 2013. Arrows denote frost occurrence; Yellow line and red line denote the temperatures measured at 1m above the ground of upper part and lower part of the orchards, respectively
표 Table 1. Lowest temperature of 1m above the ground of upper part (high elevation) and lower part (low elevation) of persimmon orchards at Changwon (orchard A) and Changnyeong (orchard B)
표 Table 2. 2-way factor analysis of planting elevation and orchards of different climate condition for fruit characteristics of persimmon 'Fuyu' fruit harvested in Oct. 25, 2013
표 Table 3. 2-way factor analysis of planting elevation and orchards of different climate condition for fruit characteristics of persimmon 'Fuyu' fruit harvested in Nov. 20, 2013
표 Table 4. Fruit weight (g) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 5. Fruit firmness (N) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 6. Fruit soluble solid (oBrix) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 7. Fruit shape of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 8. Fruit skin color (hunter L) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 9. Fruit skin color (hunter a) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 10. Fruit skin color (hunter b) of persimmon (Diospyros kaki 'Fuyu') as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B)
표 Table 11. Free sugar contents of persimmon (Diospyros kaki 'Fuyu') fruits as influenced by the planting site (elevation) of orchards at Changwon (A) and Changnyeong (B) (Oct. 25, 2013)
그림 Fig. 2. Changes of post-storage characteristics (fruit weight) in persimmon (Diospyros kaki 'Fuyu') fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
그림 Fig. 3. Changes of post-storage characteristics (fruit firmness) in persimmon (Diospyros kaki 'Fuyu') fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
그림 Fig. 4. Changes of post-storage characteristics (hunter'L') in persimmon (Diospyros kaki 'Fuyu') fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
그림 Fig. 5. Changes of post-storage characteristics (hunter'a') in persimmon (Diospyros kaki 'Fuyu') fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
그림 Fig. 6. Changes of post-storage characteristics (hunter'b') in persimmon (Diospyros kaki 'Fuyu') fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
그림 Fig. 7. Changes of post-storage characteristics (soluble solid content) in persimmon 'Fuyu' fruits which were harvested in Nov. 5 (BF) and Nov. 20 (AF) and MA-stored (single fruit per 30μm PE film bag) at 0℃. Vertical bars represent standard deviation
표 Table 12. Occurrence of Post-storage disorder of persimmon (Diospyros kaki 'Fuyu') fruit as influenced by frost injury and climate condition of orchard.

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