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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.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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