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采前喷钙和采后浸钙对网纹甜瓜采后果实软化生理的影响
引用本文:吕双双,李天来,吴志刚,李新. 采前喷钙和采后浸钙对网纹甜瓜采后果实软化生理的影响[J]. 江苏农业学报, 2009, 25(2)
作者姓名:吕双双  李天来  吴志刚  李新
作者单位:沈阳农业大学园艺学院,辽宁省设施园艺重点实验室,辽宁沈阳110161;辽宁省农业科学院花卉研究所,辽宁沈阳,110161
摘    要:探讨采前喷钙和采后浸钙处理对网纹甜瓜果实硬度、呼吸速率、乙烯释放量、细胞壁水解酶(多聚半乳糖醛酸酶、果胶甲酯酶和羧甲基纤维素钠酶)活力的影响.结果表明:与对照相比,采前喷钙和采后浸钙均能有效地延缓果实软化速度,推迟乙烯释放高峰出现的时间,还降低了呼吸速率、乙烯释放量和细胞壁水解酶的活性.在呼吸跃变之前,采前喷钙处理的呼吸速率低于采后浸钙处理,随着贮藏时间的延长前者高于后者.与采前喷钙处理相比,采后浸钙处理更显著地降低了细胞壁水解酶的活性,从而使果实硬度下降的速度减慢.

关 键 词:采前喷钙  采后浸钙  网纹甜瓜  软化

Effect of Pre-harvest and Post-harvest Calcium Treatments on Muskmelon Softening Physiology
L Shuang-shuang,LI Tian-lai,WU Zhi-gang,LI Xin. Effect of Pre-harvest and Post-harvest Calcium Treatments on Muskmelon Softening Physiology[J]. Jiangsu Journal of Agricultural Sciences, 2009, 25(2)
Authors:L Shuang-shuang  LI Tian-lai  WU Zhi-gang  LI Xin
Affiliation:1.College of Horticulture;Shenyang Agricultural University;Key Laboratory of Protected Horticulture of Liaoning Province;Shenyang 110161;China;2.Institute of Flowers;Liaoning Academy of Agricultural Sciences;China
Abstract:Changes of flesh firmness,respiration rate,ethylene production,cell wall hydralases(polygalacturonase,pectinmesterase,carboxymethl cellulosase) activities of muskmelon were studied in order to investigate the effect of both pre-harvest and post-harvest calcium treatments on fruit softening.Compared to the control(water treatment),both pre-harvest and post-harvest calcium treatments significantly delayed the muskmelon softening,postponed the peak of ethylene production,and reduced the respiration rate,ethyle...
Keywords:pre-harvest calcium treatment  post-harvest calcium treatment  muskmelon  softening  
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