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摘要:
This study was conducted to verify the effect of an electric pulse on growth of crops (lettuce and hot pepper) that were cultivated in lab-scale soil. The electric pulse generated from direct-circuited 2, 4, 6, 8, and 10 V of electricity by periodic exchange of the anode and cathode was charged to a culture soil that is an electrically pulsed culture soil (EPCS) but not charged to a conventional culture soil (CCS). Growth of lettuce increased and growth duration of hot pepper plants was more prolonged at 4, 6, 8, and 10 V of EPCS than at 2 V of EPCS and CCS. The fruiting duration and yield of hot pepper fruits were proportional to the growth duration of the hot pepper plants. Temperature gradient gel electrophoresis (TGGE) patterns of 16S-rDNA obtained from the bacterial community inhabiting the CCS and EPCS were identical at the initial time and did not change significantly at days 28 and 56 of cultivation. The bacterial communities inhabiting the surface of lettuce roots were not influenced by the electric pulse but were significantly different from those inhabiting the culture soil based on the TGGE patterns. Growth of lettuce and hot pepper plants that were cultivated in 4 - 10 V of EPCS may increase;however, the bacterial community inhabiting the soil and the surface of plant roots may not be influenced by an electric pulse.
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篇名 Effects of a low-voltage electric pulse charged to culture soil on plant growth and variations of the bacterial community
来源期刊 农业科学(英文) 学科 医学
关键词 Electrically PULSED Soil TGGE LETTUCE Hot PEPPER Plant BACTERIAL Community
年,卷(期) nykxyw_2012,(3) 所属期刊栏目
研究方向 页码范围 339-346
页数 8页 分类号 R73
字数 语种
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研究主题发展历程
节点文献
Electrically
PULSED
Soil
TGGE
LETTUCE
Hot
PEPPER
Plant
BACTERIAL
Community
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
农业科学(英文)
月刊
2156-8553
武汉市江夏区汤逊湖北路38号光谷总部空间
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1151
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0
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