南疆地区抗裂果枣品种资源评价
Evaluation of Split-Fruit Resistant Jujube Variety Resources in South Xinjiang Region
[目的]通过自然裂果率调查和浸水裂果试验，筛选抗裂资源，评价不同枣品种果实质地，分析枣果实质地和裂果之间的关系。[方法]在枣白熟期、半红期、全红期，调查自然裂果率，计算裂果指数;对枣果实进行室内浸水诱裂试验，并进行相关性分析;采用主成分分析和聚类分析，基于TPA分析全红期果实质地参数与裂果间的关系。[结果]自然条件下有 20个枣品种未发生裂果，裂果率低于 50%的有39个，高于50%的有3 个枣品种。浸果试验中大荔知枣属于中等抗裂品种，且不同时期裂果率和吸水率呈极显著正相关。利用主成分分析将质地参数分为 4个主成分并进行聚类分析，得到硬度最高的第1类群有13个品种，裂果率为7.92%，硬度因子、弹性因子最低的第3类群有 15个品种，裂果率最高，为13.5%。[结论]通过室内浸果试验筛选出大荔知枣属于中等抗裂品种，果实质地分析，枣果实硬度、弹性较高的类群裂果率更低。
[Objective]Through the investigation of natural fruit cracking rate and soaking water induced cracking test,we screened the crack-resistant resources,evaluated the fruit texture of different jujube varieties,and analysed the relationship between jujube fruit texture and cracking.[Method]During the white,half-red and full-red stages of date ripening,the natural fruit cracking rate was investigated and the cracking index was calculated.Indoor water immersion induced cracking test on date palm fruits and correlation analysis.TPA-based analysis of the relationship between fruit textural parameters and fruit splitting at the full red stage.[Result]There were 20 date varieties that did not crack under natural conditions,39 with a cracking rate of less than 50%,and three date varieties with a rate higher than 50%.The fruit dipping test of Dalizhizao belonged to medium crack-resistant varieties,and the positive correlation between the cracking rate and water absorption rate at different periods was highly significant.The texture parameters were classified into four principal components using principal component analysis and cluster analysis was carried out to obtain 13 varieties in the 1st cluster with the highest hardness and 7.92%cracking rate,and 15 varieties in the 3rd cluster with the lowest hardness factor and elasticity factor and the highest cracking rate of 13.5%.[Conclusion]Through the indoor fruit dipping test screening,Dalizhizao belongs to the medium crack-resistant varieties,from the fruit texture analysis,date fruit hardness,elasticity higher class group cracking rate is lower.
杨成;王振磊;张川疆;刘伟;林敏娟;
塔里木大学 园艺与林学学院 南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室 新疆 阿拉尔 843300##塔里木大学 塔里木盆地生物资源保护利用省部共建国家重点实验室培育基地 新疆 阿拉尔 843300;塔里木大学 园艺与林学学院 南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室 新疆 阿拉尔 843300##塔里木大学 塔里木盆地生物资源保护利用省部共建国家重点实验室培育基地 新疆 阿拉尔 843300;塔里木大学 园艺与林学学院 南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室 新疆 阿拉尔 843300##塔里木大学 塔里木盆地生物资源保护利用省部共建国家重点实验室培育基地 新疆 阿拉尔 843300;塔里木大学 园艺与林学学院 南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室 新疆 阿拉尔 843300##塔里木大学 塔里木盆地生物资源保护利用省部共建国家重点实验室培育基地 新疆 阿拉尔 843300;塔里木大学 园艺与林学学院 南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室 新疆 阿拉尔 843300##塔里木大学 塔里木盆地生物资源保护利用省部共建国家重点实验室培育基地 新疆 阿拉尔 843300##塔里木绿洲农业教育部重点实验室(塔里木大学)新疆 阿拉尔 843300;
S665.1
jujube fruit cracking relevance analysis principal component analysis cluster analysis
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