Abstract
본 시험은 가을철 기온이 높게 유지되는 대구지역에서 성숙기 동안 '후지'의 과실품질 변화와 수확시기별 과실품질과 저장성을 3년(2007년, 2009년, 2010년) 조사하였다. 성숙기 동안 과실품질의 변화는 만개 후 120-135일부터 만개 후 183-198일까지 조사하였다. 수확시기별 과실품질과 저장성 비교는 만개 후 180일 이후에 수확한 과실들을 대상으로 하였다. 과실 성숙기 동안 대구지역 '후지'의 문제점은 $20^{\circ}C$의 높은 기온에 따른 착색불량이었다. 수확시기별 과실품질 비교에 있어, 수확시기가 연장될수록 가용성 고형물 함량과 착색은 높아졌다. 수확 시의 과중은 수확시기에 영향을 받지 않았고, 수확 시의 경도와 산 함량은 동결피해가 발생했을 때 심하게 감소되었다. 저온저장 20주 동안의 에틸렌 발생량 및 경도, 산 함량은 수확시기에 따른 차이가 없었다. 2009년 만개 후 216일에 수확한 과실들의 저온저장 중의 가용성 고형물 함량은 수확시의 가용성 고형물 함량과 비교해 비슷하였으나, 2009년 만개 후 201일에 수확한 과실들은 수확시보다 높아졌다. 그러나 동결피해를 받은 후 수확한 과실의 저온저장 후 경도, 가용성 고형물 함량 및 산 함량은 동결피해 발생 전에 수확한 과실보다 낮았다. 결론적으로 가을철 기온이 높은 지역에서 '후지' 과실을 만개 후 180-200일 대비 2-4주 정도 수확시기를 연장시키면 수확시의 가용성 고형물 함량 및 착색이 증가되었으나, 11월 중순 이후로 최저기온이 $-3.0^{\circ}C$ 이하로 떨어지기 시작하기 때문에 11월 중순 이후로 과실을 수확하는 것은 위험하였다. This study was conducted for three years (2007, 2009, and 2010) to investigate the changes in fruit quality during maturation, and the quality and storage ability of fruits harvested at different times of 'Fuji' apple in Daegu region with a high air temperature during the fall season. Changes in apple fruit quality during the maturation period were investigated from 120-135 days to 183-198 days after full bloom. In comparing quality and storage ability of fruits harvested at different times, fruits harvested more than 180 days after full bloom were used. During the maturation period, poor coloring was the problem for 'Fuji' apple in Daegu region by the high air temperature about $20^{\circ}C$. In comparing quality of fruits harvested at different times, the soluble solid contents and hunter a value were increased by the extended harvest time. Fruit weight during harvest was not affected by different harvest time, while the fruit firmness and titratable acidity during harvest were decreased critically when the freezing damage happened. Ethylene production, fruit firmness, and titratable acidity during cold storage for twenty weeks did not differ according to the different harvest time. Soluble solid contents of fruits harvested at 216 days after full bloom in 2009 were similar at the time of harvest and cold storage. For fruits harvested at 201 days after full bloom, soluble solid content during cold storage was higher than during harvest time. However fruit firmness, soluble solid content, and titratable acidity after cold storage of fruit harvested after freezing damage was lower than those of the fruit harvested before freezing damage. The results show that the extended harvest time of 'Fuji' apples about 2-4 weeks from 180-200 days after full bloom in area with above-air temperature during fall season was seemed to be beneficial to enhancing soluble solid contents and fruit red color, but harvesting after the middle of November was dangerous because minimum air temperature began to fall under $-3.0^{\circ}C$.
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Claims 10
Claim · model-written summary
Extended harvest time increased soluble solid contents and hunter a value of Fuji apple fruit.
- Taxon
- Apple
Malus domesticat0 - Material
- Fujit0
- Treatment
- extended harvest timee1
- Outcome
- soluble solid contents and hunter a valuee1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e1“the soluble solid contents and hunter a value were increased by the extended harvest time”
Claim · model-written summary
Freezing damage decreased firmness and titratable acidity of apples at harvest.
- Taxon
- AppleMalus domesticat0
- Treatment
- freezing damagee2
- Outcome
- fruit firmness and titratable acidity during harveste2
- Direction
- decreasede2
- Qualifier
- criticallye2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e2“the fruit firmness and titratable acidity during harvest were decreased critically when the freezing damage happened”
Claim · model-written summary
Fruit weight at harvest was not affected by harvest time.
- Taxon
- AppleMalus domesticat0
- Treatment
- different harvest timee3
- Outcome
- Fruit weight during harveste3
- Direction
- not affectede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e3“Fruit weight during harvest was not affected by different harvest time”
Claim · model-written summary
Harvest time did not change ethylene production, firmness or titratable acidity during 20 weeks of cold storage.
- Taxon
- AppleMalus domesticat0
- Treatment
- different harvest timee4
- Outcome
- Ethylene production, fruit firmness, and titratable acidity during cold storagee4
- Direction
- did not differe4
- Qualifier
- for twenty weekse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e4“Ethylene production, fruit firmness, and titratable acidity during cold storage for twenty weeks did not differ according to the different harvest time”
Claim · model-written summary
Soluble solid contents of fruit harvested at 216 days after full bloom in 2009 were similar at harvest and after cold storage.
- Taxon
- AppleMalus domesticat0
- Treatment
- fruits harvested at 216 days after full bloome5
- Outcome
- Soluble solid contentse5
- Direction
- were similare5
- Qualifier
- in 2009e5
- Comparator
- at the time of harveste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e5“Soluble solid contents of fruits harvested at 216 days after full bloom in 2009 were similar at the time of harvest and cold storage”
Claim · model-written summary
Soluble solid content of fruit harvested at 201 days after full bloom was higher during cold storage than at harvest.
- Taxon
- AppleMalus domesticat0
- Treatment
- fruits harvested at 201 days after full bloome6
- Outcome
- soluble solid content during cold storagee6
- Direction
- highere6
- Comparator
- during harvest timee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e6“For fruits harvested at 201 days after full bloom, soluble solid content during cold storage was higher than during harvest time”
Claim · model-written summary
Fruit harvested after freezing damage had lower firmness, soluble solid content and titratable acidity after cold storage than fruit harvested before freezing damage.
- Taxon
- AppleMalus domesticat0
- Treatment
- fruit harvested after freezing damagee7
- Outcome
- fruit firmness, soluble solid content, and titratable acidity after cold storagee7
- Direction
- lowere7
- Comparator
- the fruit harvested before freezing damagee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e7“fruit firmness, soluble solid content, and titratable acidity after cold storage of fruit harvested after freezing damage was lower than those of the fruit harvested before freezing damage”
Claim · model-written summary
Poor fruit colour was the problem for Fuji apple in Daegu region under the high air temperature of the maturation period.
- Taxon
- appleMalus domesticae7
- Material
- Fujie7
- Treatment
- high air temperaturee7
- Outcome
- poor coloringe7
- Setting
- Daegu regione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e7“During the maturation period, poor coloring was the problem for 'Fuji' apple in Daegu region by the high air temperature”
Claim · model-written summary
Extending harvest of Fuji apples by about 2-4 weeks from 180-200 days after full bloom is beneficial for soluble solid contents and red colour in areas with high fall temperature.
- Taxon
- AppleMalus domesticat0
- Outcome
- beneficial to enhancing soluble solid contents and fruit red colore7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e7“the extended harvest time of 'Fuji' apples about 2-4 weeks from 180-200 days after full bloom in area with above-air temperature during fall season was seemed to be beneficial to enhancing soluble solid contents and fruit red color”
Claim · model-written summary
Harvesting Fuji apples after the middle of November is dangerous because minimum air temperature begins to fall below the freezing threshold.
- Taxon
- AppleMalus domesticat0
- Outcome
- harvesting after the middle of Novembere7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“at 'Fuji'/M.9 Apple Orchard”
e7“harvesting after the middle of November was dangerous”
The same questions in other papers
cold · quality: sugar starch · Malus domestica (apple)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- negative
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See all 5 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.