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高压氮气处理微型番茄种子对其生长特性的影响

DOI: 10.11858/gywlxb.2004.04.016, PP. 379-384

Keywords: 高压,微型番茄,生长特性

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Abstract:

将微型番茄(RedCherry)的种子分3组在以氮气为传压介质的高压装置中处理,分别在10MPa、20MPa、30MPa3种压力下保持4h,与未经高压处理的对照组种子同时在相同的自然条件下播种培育。通过对随机选取的每组33株植株生长全过程的观察比较,初步研究了高压氮气处理番茄种子对其生长特性的影响。另外,还对各组果实的15种营养成份进行了检测对比。结果显示:在相同的自然条件下,加压组植株的发芽期、幼苗期和开花坐果期与对照组相比有缩短趋势;在同样的环境中,加压组植株遭受自然病害的死亡率较低;在生长后期,20MPa和30MPa加压组中出现异常高大的植株共3株。但是,各加压组与对照组相比,植株平均高度和平均基径没有显著性差异,平均单株果实产量和果实的营养成份也没有表现出明显变化。

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