Effects of Different Rootstocks on Storage Life and Quality of Loquat Fruit (cv. Gold Nugget)

S. Tepe, M. Koyuncu
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引用次数: 2

Abstract

In this study, the effects of rootstocks on storage life and quality in Gold Nugget loquat grafted on quince, hawthorn and loquat rootstocks were investigated. After harvest, fruit were placed in plastic boxes (2 kg) covered with stretch film and stored for 45 days at 5 ± 0.5°C and 90 ± 5% RH. Weight loss, fruit firmness, total soluble solid, titratable acidity, maturity rate, respiration rate, ethylene production, CO2 and O2 concentrations in package, skin colour (L*,a*,b*,C*,h°), decay rate and sensory quality of fruit were determined at 15-day intervals during storage. The same analyzes were repeated for shelf life evaluation after keeping fruit 2 days in ambient condition (20°C and 70±5 RH%). Fruit grown on quince rootstock had the best results for maintaining external appearance, titratable acidity, maturation rate and vivid skin colour. The lowest decay rate and respiration rate during storage were also obtained from this combination. Quince and Loquat seedling rootstocks had similar results for sensory quality and decay rate. Covering boxes by stretch film (20 µm) reduced the weight loss in the all the combination of scion/rootstock but, increased pathogens development. These findings revealed that fruit, obtained from the combinations of Gold Nugget variety with quince and loquat seedling rootstocks, can be stored with good quality for 30+2 days at 5 °C and 90 ± 5 RH%.
不同砧木对枇杷果实贮藏寿命和品质的影响[j]。金块)
本试验研究了不同砧木对金块枇杷嫁接在榅桲、山楂和枇杷砧木上贮藏寿命和品质的影响。收获后,将果实放入2公斤塑料盒中,覆盖拉伸膜,在5±0.5°C和90±5% RH条件下保存45天。每隔15天测定果实的失重、果实硬度、可溶性固形物总量、可滴定酸度、成熟度、呼吸速率、乙烯产量、包装中CO2和O2浓度、果皮颜色(L*、a*、b*、C*、h°)、腐烂率和感官品质。在环境条件下(20°C, 70±5 RH%)保存2天后,重复相同的分析进行货架期评估。在黄瓜砧木上生长的果实在保持外观、可滴定酸度、成熟速度和鲜亮的果色方面效果最好。贮藏过程中,该组合的腐烂率和呼吸率最低。温、枇杷幼苗砧木感官品质和腐烂率相近。用拉伸膜(20µm)覆盖箱子,减少了接穗/砧木组合的失重,但增加了病原体的发育。结果表明,金块品种与榅桲、枇杷苗木组合,在5℃、90±5 RH条件下贮藏30+2 d,品质良好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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