TY - JOUR T1 - Effects of Aminoethoxyvinylglycine on Harvest Time and Fruit Quality of ‘Monroe’ Peaches TT - Aminoethoxyvinylglycine’ nin ‘Monroe’ Şeftali Çeşidinde Hasat Zamanı ve Meyve Kalitesi Üzerine Etkileri AU - Çetinbaş, Melike PY - 2011 DA - September DO - 10.1501/Tarimbil_0000001170 JF - Journal of Agricultural Sciences JO - J Agr Sci-Tarim Bili PB - Ankara University WT - DergiPark SN - 1300-7580 SP - 177 EP - 189 VL - 17 IS - 3 LA - en AB - This study was conducted to prolong the harvest date and enhance the fruit quality of ‘Monroe’ peaches. For thispurpose, ReTain containing 15% aminoethoxyvinylglycine (AVG) was applied to the peach fruits. AVG atconcentrations of 0, 100, 150 and 200 mg l-1 was sprayed on the peaches 7, 21 and 30 days before commercialharvest. Some fruit quality parameters [fruit weight (g), fruit flesh firmness (N), soluble solids content (SSC, %),titratable acidity (TA, %), fruit colour (L*, a*, b*), sugar content, delay in harvest, ethylene production (µl kg-1 h-1)and respiration rate (ml CO2 kg-1 h-1)] were measured for each treatment. Fruit maturity was delayed about 4-6 daysmore in AVG-applied fruits than in the control group. A sequential harvest was completed 6-7 days before thenormal harvest time. Application of AVG increased the fruit size and fruit weight of ‘Monroe’ peach. AVGsprayed fruits were firmer than the fruits of control group. AVG applications also decreased ethylene productionand the respiration rate of fruits. As a results, application AVG of 100 or 200 mg l-1 concentrations 30 days beforecommercial harvest for 'Monroe' peach varieties can be recommended. KW - AVG KW - Fruit quality KW - Harvest date KW - ‘Monroe cv.’ KW - Peach KW - Ripening N2 - Bu çalışmanın amacı ‘Monroe’ şeftali çeşidinde hasat tarihini geciktirmek ve meyvelerin kalitesini arttırmaktır. Bu amaçla, % 15 aminoethoxyvinylglycine (AVG) içeren ReTain bitki büyüme düzenleyicisi şeftali meyvelerine uygulanmıştır. AVG’ nin 3 farklı dozu (0, 100, 150, 200 mg L-1), tahmini hasat zamanından 7, 21 ve 30 gün önce şeftali meyvelerine sprey şeklinde uygulanmıştır. Meyvelerde bazı kalite özellikleri (meyve ağırlığı (g), meyve eti sertliği (N), SCKM (%), titre edilebilir asitlik (%), meyve rengi (L*, a*, b*), şeker miktarı), hasat tarihinin gecikmesi, meyvelerin etilen üretimi (µL kg-1 h-1) ve solunum hızları (mL.CO2 kg-1 h-1) her bir uygulama için ayrı ayrı incelenmiştir. AVG uygulamaları ile meyve olgunluğu kontrol grubuna göre 4-6 gün gecikmiş ve kademeli yapılan hasat, normal hasat periyoduna göre 6-7 gün önce tamamlanmıştır. 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