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Dynamic Variation and Correlation of pericarp tenderness and Component Contents of Super Sweet Corn(sh_(2))in Kernel Development

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Agricultural Biotechnology 2022年第4期11卷 26-31,35页

作者： Shilong ZHANG Xiaoqin LI Zhenghua HE Yiqin HUANG Institute of Food Crops Hubei Academy of Agriculture SciencesWuhan 430064China Hubei Key Laboratory of Germplasm Innovation and Genetic Improvement of Grain Crops Wuhan 430000China State Key Laboratory for Conservation and Utilization of Subtropical Agrobioresources/South China Agricultural University Guangzhou 510000China Hubei Collaborative Innovation Center for Grain Industry Yangtze UniversityJingzhou 434000China

Data on the mechanism of how pericarp components in fresh sweet corn affect pericarp tenderness are *** study explored variation and correlation of pericarp tenderness and components over time in three inbred lines of sweet corn that were selected for their differences in pericarp *** three lines presented a curvilinear increase in pericarp tenderness(puncture reading)from 12 to 24 d after pollination(DAP)across two environments,with the means at each time point always in the same order:S33205>T105>*** tenderness difference at each same time point in two environments over time varied similarly in each of the three inbred lines:increasing first,then dropping after peak,and insignificant at the *** the main pericarp components,mean contents were in the order:hemicellulose>cellulose>lignin in both environments at each time point for the three inbred *** the pericarp developed,hemicellulose content increased gradually,lignin content varied along a single-peak curve,cellulose content fluctuated around 24%,and pectin and ash contents changed slightly and *** pericarp of PE10,with the most tender pericarp,accumulated hemicellulose faster than other two *** and lignin contents were significantly correlated with pericarp tenderness,and the main components affected pericarp tenderness.

关键词： Super sweet corn pericarp tenderness Main ingredients Growth curve Interrelation

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Variation Law of pericarp tenderness of Super Sweet Corn Kernel

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Agricultural Science & Technology 2016年第7期17卷 1671-1674页

作者：张士龙黄益勤贺正华李小琴湖北省农业科学院粮食作物研究所湖北武汉430064 亚热带农业生物资源保护与利用国家重点实验室/华南农业大学广东广州510642 主要粮食作物产业化湖北省协同创新中心长江大学湖北荆州434025

To investigate the variation law of pericarp tenderness in growth progress of super sweet corn kernel, the values of pericarp tenderness of 10 super sweet corn inbreeds were measured during kernel growth, and the variations under differ- ent conditions were analyzed. The results showed that there existed gradient differ- ences in pericarp tenderness among the 10 materials, of which PE10 had the best pericarp tenderness, T105 took medial place, and $33205 performed worst in peri- carp tenderness. pericarp tenderness values of these 3 inbreeds increased curvedly from 12 to 24 days after pollination, in the spring （Wuhan, Hubei） and winter （Ling- shui, Hainan） of 2014. Moreover, the average pericarp tenderness at different time points presented the same decreasing order of $33205, T105, PE10, which was not altered by enviroment. With the growth of kernel, for one material, the difference of pericarp tenderness under different environments presented a law of increment, re- duction, uniformity. As for optimum-picking time, there was four days difference be- tween the spring in Wuhan and winter in Lingshui. However, there was no obvious difference in pericarp tenderness on the optimum picking time, which indicated that growing environment could affect the variation ratio of pericarp tenderness, but it still depended on the nature of materials.

关键词： Super sweet corn pericarp tenderness Variation law Growth curve

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