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科技导报
|研究论文
2009
, 27
(0917) :
92
-95
不同施肥水平对南瓜过氧化物酶活性影响
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周修任1 ,杨鹏鸣2
作者信息
1. 河南科技学院生命科技学院2. 河南科技学院园林学院
通讯作者:
周修任
Effects of Different Fertilizer Application Levels on POD
Affiliations
出版时间: 2009-09-13
文章导航
采用L9(34)正交设计,对不同施肥条件下南瓜的过氧化物酶(POD)活性和根冠比进行研究。结果表明,氮素对南瓜穴盘苗影响显著,施用氮肥后,幼苗POD活性显著增高,根冠比显著降低。与对照相比,在南瓜苗龄20、30和40 d时,POD活性随施用氮肥次数和苗龄的增加而差异愈加显著。但在各个南瓜苗龄期,施用5和10 g/L浓度氮肥水平的南瓜幼苗之间,其POD活性和根冠比并无显著差异。在多数情况下,磷钾肥施用后,POD活性、根冠比与对照相比差异不显著。在磷钾肥200 mg/L浓度水平下,南瓜苗龄30、40和50 d时的POD活性增强。微肥对南瓜穴盘苗的POD活性影响最小,微肥施用后,南瓜幼苗 POD活性变化不显著,但根冠比显著增加。
POD activity and shoot ratio of pumpkin plug seedling under different fertilizer application levels were systematically studied by L9(34) orthogonal experimental design. The results show that the effect of nitrogen application levels on pumpkin plug seedling's POD activity and shoot ratio is significant. The POD activity is significantly increased and the shoot ratio is significantly reduced after application of nitrogen fertilizer. As compared with the control group, for pumpkin plug seedlings in 20, 30, 40 d, the increase of POD activity with the application of nitrogen fertilizer and the increase of pumpkin plug seedling age are more significant. However, in view of various pumpkin seedlings, with nitrogen application levels between 5 and 10 g/L, the POD activity and the shoot ratio of pumpkin plug seedling see no significant difference. In most cases, the POD activity and the shoot ratio see no significant difference for application of CK of phosphorus and potassium. However, with phosphorus and potassium application in 200 mg/L and for pumpkin plug seedling in 30, 40 and 50 days, the POD of pumpkin plug seedling activity are enhanced. Microelement fertilizer has no significant effect on POD activity, but the shoot ratio sees a significant increase.
pumpkin
/
fertilizer application
/
peroxidase
/
shoot ratio
周修任;杨鹏鸣.
不同施肥水平对南瓜过氧化物酶活性影响.
科技导报,
2009
, 27
(0917)
: 92
-95
.
.
Effects of Different Fertilizer Application Levels on POD[J].
Science & Technology Review ,
2009
, 27
(0917)
: 92
-95
.
2009年第27卷第0917期
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接收时间:2009-07-22
首发时间:2009-09-13
出版时间:2009-09-13
收稿日期:2009-07-22
修回日期:2009-08-24
https://castjournals.cast.org.cn/joweb/kjdb/CN/1242117139008651562
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2种不同金属材料的力学参数
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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