WANG Wei,JIN Mijing,RAO Jingping.Effect of CPPU Treatment on Postharvest Fruit Quality and Chilling Resistance in Kiwifruit[J].Northern Horticulture,2016,40(01):111-117.[doi:10.11937/bfyy.201601029]
CPPU处理对采后猕猴桃品质及耐冷性的影响
- Title:
- Effect of CPPU Treatment on Postharvest Fruit Quality and Chilling Resistance in Kiwifruit
- Keywords:
- kiwifruit; CPPU; concentration; quality; chilling injury
- 文献标志码:
- A
- 摘要:
- 以“徐香”猕猴桃为试材，于盛花后15 d分别用10、20 mg/L CPPU浸蘸猕猴桃幼果，清水作为对照，研究了不同浓度CPPU处理对采后“徐香”猕猴桃果实品质和耐冷性影响。结果表明：果实单果重随着CPPU使用浓度增大而增大，但相比对照，CPPU处理不同程度地降低了果实干物质含量、硬度、可溶性固形物含量、糖酸比、维生素C等品质指标，20 mg/L处理对果实品质的损害大于10 mg/L处理。贮藏过程中20 mg/L处理的膜损伤程度最高，果实冷敏性提高，冷害发生提早，冷害率、冷害指数显著高于其它处理，贮藏结束时果实失重率高，好果率低。研究表明，高浓度的CPPU增大“徐香”猕猴桃果实的同时，显著降低了采后果实的品质及耐冷性。
- Abstract:
- Taking ‘Xuxiang’ kiwifruit as test material，the effect of CPPU treatment on postharvest fruit quality and chilling resistance in ‘Xuxiang’ kiwifruit was studied by dipping young fruit with 10 mg/L，20 mg/L CPPU at 15 days after full bloom，dipping with water was control.The results showed that the fruit weight increased with the concentration of CPPU，but compared with the control，CPPU treatment reduced fruit dry matter content，firmness，soluble solids content， ratio of sugar and acid，vitamin C and other fruit quality indicators in varying degrees，the negative impacts on fruit quality of 20 mg/L treatment were more than 10 mg/L treatment.During storage at 0℃，the degree of membrane damage of 20 mg/L treatment was the highest.Also，20 mg/L treatment exhibited more chilling-sensitive and occurred chilling injury earlier，its chilling injury index，chilling injury incidence were significantly higher than other treatments，and it also had lower accepted fruit percentage and higher weight loss at the end of storage.In conclusion，high concentration CPPU significantly decreased the fruit quality and chilling resistance of postharvest ‘Xuxiang’ while increased the fruit size.
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备注/Memo
第一作者简介：王玮 (1990-)，女，硕士研究生，研究方向为采后生理及贮藏保鲜。E-mail：wangwei90825@163.com.责任作者：饶景萍(1957-)，女，硕士，教授，研究方向为采后生理及贮藏保鲜。E-mail：dqr0723@163.com.基金项目：陕西省科技统筹创新工程计划资助项目（2012KTJD03-05）；国家科技支撑计划资助项目（2015BAD16B03）。