高压氮气处理微型番茄种子对其生长特性的影响

Effect of High Pressure Nitrogen Gas Treatments of Mini-Tomato Seeds on Its Growth Characteristics

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。

In this work,mini-tomato seeds (Red Cherry) were separated random into four groups,three of them pretreated by 10,20 and 30 MPa high pressure nitrogen gas for 4 h respectively,and the untreated one as a comparison group (abbreviated to CP).All seeds were planted under same conditions.Through observing and comparing these plants during the whole life period,33 chosen random from each group,we learned some effects of the high pressure treatment on its growth characteristics.Additionally,we tested fifteen kinds of nutrition contents in tomato fruits.Outcomes:In contrast with CP,germination stage,seedling stage and flowering stage of the treated groups were shorten.The treated groups suffered lower disease death rate than CP.Furthermore three abnormally high plants occurred in the treated groups,one in 20 MPa group and two in 30 MPa.Nevertheless,no markable differences were found in the average height and average caudexes diameter between the groups,as well as in average fruit yield and the nutrition contents.