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Post‐harvest physiological deterioration in several cassava genotypes over sequential harvests and effect of pruning prior to harvest
International Journal of Food Science & Technology ( IF 2.6 ) Pub Date : 2020-07-09 , DOI: 10.1111/ijfs.14711 Jorge Luna 1 , Dominique Dufour 1, 2, 3, 4 , Thierry Tran 1, 3, 4 , Mónica Pizarro 1 , Fernando Calle 1 , Moralba García Domínguez 1 , Iván M. Hurtado 1 , Teresa Sánchez 1 , Hernán Ceballos 1
International Journal of Food Science & Technology ( IF 2.6 ) Pub Date : 2020-07-09 , DOI: 10.1111/ijfs.14711 Jorge Luna 1 , Dominique Dufour 1, 2, 3, 4 , Thierry Tran 1, 3, 4 , Mónica Pizarro 1 , Fernando Calle 1 , Moralba García Domínguez 1 , Iván M. Hurtado 1 , Teresa Sánchez 1 , Hernán Ceballos 1
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Consumers, traders and processors consider post‐harvest physiological deterioration (PPD) an important constraint. In Experiment 1, PPD was assessed three consecutive years in roots from five genotypes through seven storage days. PPD, scopoletin and dry matter content (DMC) was recorded during storage. Year, genotype, duration of storage and their interactions were significant. PPD was associated with duration of storage period, DMC and scopoletin contents. Ambient moisture and temperature during storage influenced PPD. In Experiment 2, roots from seven clones were harvested 10 months after planting from 30 consecutive biweekly plantings. PPD was assessed 0, 2 and 7 days after harvest. In 13 harvests, roots from plants pruned six days earlier were also evaluated. Results indicated large seasonal variation across genotypes. Pruning reduced PPD and DMC. Complex and contrasting relationships among the variables analysed were found. There is no uniform model explaining the relationship between PPD and the independent variables considered.
中文翻译：
连续收获后几种木薯基因型收获后的生理恶化以及收获前修剪的影响
消费者，贸易商和加工商认为收获后的生理恶化（PPD）是重要的制约因素。在实验1中，从5个基因型到7个贮藏日连续3年对PPD进行了评估。在储存过程中记录了PPD，碱和干物质含量（DMC）。年，基因型，贮藏时间及其相互作用是重要的。PPD与贮藏期，DMC和大戟素含量有关。储存期间的环境湿度和温度会影响PPD。在实验2中，在连续30个双周种植后的10个月内收获了七个克隆的根。收获后0、2和7天评估PPD。在13次收获中，还对六天前修剪的植物的根进行了评估。结果表明不同基因型之间存在较大的季节性差异。修剪减少了PPD和DMC。发现分析的变量之间的复杂和对比关系。没有统一的模型来解释PPD和所考虑的自变量之间的关系。
更新日期：2020-07-09
中文翻译：
连续收获后几种木薯基因型收获后的生理恶化以及收获前修剪的影响
消费者，贸易商和加工商认为收获后的生理恶化（PPD）是重要的制约因素。在实验1中，从5个基因型到7个贮藏日连续3年对PPD进行了评估。在储存过程中记录了PPD，碱和干物质含量（DMC）。年，基因型，贮藏时间及其相互作用是重要的。PPD与贮藏期，DMC和大戟素含量有关。储存期间的环境湿度和温度会影响PPD。在实验2中，在连续30个双周种植后的10个月内收获了七个克隆的根。收获后0、2和7天评估PPD。在13次收获中，还对六天前修剪的植物的根进行了评估。结果表明不同基因型之间存在较大的季节性差异。修剪减少了PPD和DMC。发现分析的变量之间的复杂和对比关系。没有统一的模型来解释PPD和所考虑的自变量之间的关系。
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