Effect of a Microbial Agent on Rhizospheric Microecology and Economic Traits of Flue-cured Tobaccos

GAO Feng; YOU Chui-huai; LIU Chao-ke; ZHANG Tao; TANG Shu-kai; GU Li; DING Bo-rui; ZHANG Zhong-yi

doi:10.19303/j.issn.1008-0384.2014.12.014

Volume 29 Issue 12

Dec. 2014

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Article Navigation > Fujian Journal of Agricultural Sciences > 2014 > 29(12): 1230-1235

GAO Feng, YOU Chui-huai, LIU Chao-ke, ZHANG Tao, TANG Shu-kai, GU Li, DING Bo-rui, ZHANG Zhong-yi. Effect of a Microbial Agent on Rhizospheric Microecology and Economic Traits of Flue-cured Tobaccos[J]. Fujian Journal of Agricultural Sciences, 2014, 29(12): 1230-1235. doi: 10.19303/j.issn.1008-0384.2014.12.014

Citation:

GAO Feng, YOU Chui-huai, LIU Chao-ke, ZHANG Tao, TANG Shu-kai, GU Li, DING Bo-rui, ZHANG Zhong-yi. Effect of a Microbial Agent on Rhizospheric Microecology and Economic Traits of Flue-cured Tobaccos[J]. Fujian Journal of Agricultural Sciences, 2014, 29(12): 1230-1235. doi: 10.19303/j.issn.1008-0384.2014.12.014

Citation:

GAO Feng, YOU Chui-huai, LIU Chao-ke, ZHANG Tao, TANG Shu-kai, GU Li, DING Bo-rui, ZHANG Zhong-yi. Effect of a Microbial Agent on Rhizospheric Microecology and Economic Traits of Flue-cured Tobaccos[J]. Fujian Journal of Agricultural Sciences, 2014, 29(12): 1230-1235. doi: 10.19303/j.issn.1008-0384.2014.12.014

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Effect of a Microbial Agent on Rhizospheric Microecology and Economic Traits of Flue-cured Tobaccos

doi: 10.19303/j.issn.1008-0384.2014.12.014

1. Institute of Tobacco Science and Technology,Fujian Agriculture and Forestry University;
2. Maguan County Branch Wenshan Municipal Tobacco Company;
3. China Tobacco Chuanyu Industrial Corporation

Received Date: 2013-11-12
Publish Date: 2014-12-18

Abstract

Abstract

Using Honghuadajinyuan (Nicotina tobaccum L.cv.) , an experimentation by adding a microbial agent to the soil for 5consecutive years to determine the rhizospheric and economic effects on the tobaccos was conducted.The results showed that the treatment benefited the plant growth in general.It increased the yield, value and proportion of high quality tobacco.To some extent, the agent also alleviated the problems normally associated with the consecutive monoculture.The possible mechanism was, therefore, studied.The agar plate counts on the rhizospheric bacteria, actinomycetes and fungi in the soil were compared with the control to be higher by 128.57%, 191.43%, and 107.61%, respectively.BIOLOG analysis indicated that the average well color development (AWCD) of carbohydrates, phenolic acid, amino acids, amines and carboxylic acid were higher with the treatment than CK.Furthermore, the diversity indices on the microbes utilizing carbon sources, such as Simpson (J) , Shannon index (H) , Shannon index (H) evenness index, Brillouin index and McIntosh index (Dmc) , suggested a robust microbial functional diversity existed in the rhizospheric soil of the flue-cured tobaccos with the treatment.Among the soil enzymes, the polyphenol oxidase, urease and dehydrogenase all showed significantly higher activities than those of CK by 52.4%, 482.2%, 16.3%, 203.3% and 166.3%, respectively.The activities of polyphenol oxidase and dehydrogenase all reached an extremely significant difference level.It was, therefore, concluded that the addition of the microbial agent could ameliorate the micro-ecological system and the rhizospheric nutrient equilibrium of the soil promote the growth, yield and quality of the tobaccos.
- Nicotina tobaccum,
- microbial agent,
- rhizospheric,
- function diversity,
- soil enzyme

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References(21)

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