Arid
DOI10.1371/journal.pone.0230615
ACC-deaminase producing plant growth promoting rhizobacteria and biochar mitigate adverse effects of drought stress on maize growth
Danish, Subhan1; Zafar-ul-Hye, Muhammad1; Mohsin, Fauzia2; Hussain, Mubshar3,4
通讯作者Hussain, Mubshar
来源期刊PLOS ONE
ISSN1932-6203
出版年2020
卷号15期号:4
英文摘要Availability of good quality irrigation water is a big challenge in arid and semi arid regions of the world. Drought stress results in poor plant growth and low yield; however, the rhizobacteria, capable of producing 1-aminocyclopropane-1-carboxylate (ACC)-deaminase are likely to improve crop growth and productivity under drought stress. Similarly, biochar could also ameliorate the negative impacts of drought stress. Therefore, this pot experiment was conducted to evaluate the role of ACC-deaminase producing plant growth promoting rhizobacteria (PGPR) alone and in combinations with timber-waste biochar in improving maize growth under drought stress. The ACC-deaminase producing rhizobacteria, Pseudomonas aeruginosa, Enterobacter cloacae, Achromobacter xylosoxidans and Leclercia adecarboxylata were studied along with two rates (0.75 and 1.50% of the soil weight) of biochar under three moisture levels i.e., normal moisture, mild drought stress and severe drought stress. The E. cloacae in conjunction with higher rate of biochar produced a significant improvement i.e., up to 60, 73, 43, 69, 76 and 42% respectively, in grain yield plant(-1), photosynthetic rate, stomatal conductance, chlorophyll a, total chlorophyll and carotenoids contents of maize as compared to the control under mild drought stress. Similarly, A. xylosoxidans with higher rate of biochar also enhanced grain yield plant(-1), photosynthetic rate, stomatal conductance, chlorophyll a, total chlorophyll and carotenoids contents of maize up to 200, 213, 113, 152, 148 and 284%, respectively over control under severe drought stress. In conclusion, combination of ACC-deaminase containing PGPR, A. xylosoxidans and biochar (0.75%) proved an effective technique to improve maize growth and productivity under drought stress.
类型Article
语种英语
国家Pakistan ; Australia
开放获取类型gold, Green Published
收录类别SCI-E
WOS记录号WOS:000535955000015
WOS关键词WATER-STRESS ; CARBON MINERALIZATION ; WHEAT ; SOIL ; SALINITY ; TOXICITY ; BACTERIA ; CULTIVARS ; IMPACT ; L.
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/318970
作者单位1.Bahauddin Zakariya Univ, Dept Soil Sci, Multan, Pakistan;
2.Govt Coll Women Chungi, Dept Biol, Multan, Pakistan;
3.Bahauddin Zakariya Univ, Dept Agron, Multan, Pakistan;
4.Murdoch Univ, Coll Sci Hlth Engn & Educ, Agr Discipline, Murdoch, WA, Australia
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Danish, Subhan,Zafar-ul-Hye, Muhammad,Mohsin, Fauzia,et al. ACC-deaminase producing plant growth promoting rhizobacteria and biochar mitigate adverse effects of drought stress on maize growth[J],2020,15(4).
APA Danish, Subhan,Zafar-ul-Hye, Muhammad,Mohsin, Fauzia,&Hussain, Mubshar.(2020).ACC-deaminase producing plant growth promoting rhizobacteria and biochar mitigate adverse effects of drought stress on maize growth.PLOS ONE,15(4).
MLA Danish, Subhan,et al."ACC-deaminase producing plant growth promoting rhizobacteria and biochar mitigate adverse effects of drought stress on maize growth".PLOS ONE 15.4(2020).
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