Developing microbe–plant interactions for applications in plant‐growth promotion and disease control, production of useful compounds, remediation and carbon sequestration

Wu, Cindy H.; Bernard, Stéphanie; Andersen, Gary L.; Chen, Wilfred

doi:10.1111/j.1751-7915.2009.00109.x

Cited by 140 publications

(68 citation statements)

References 90 publications

(107 reference statements)

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“…India is the major chickpea producing country and the cultivation area under this crop has gone down drastically in North Indian states during the last decade, especially in Haryana and Punjab states where the fields are irrigated with tubewell water and the lands have become saline due to excessive salt conditions. In order to improve crop productivity of chickpea in salt affected areas, use of ACC deaminase-containing salttolerant microbial strains were found more useful in improving plant tolerance towards salinity (Wu et al, 2009). In this study, ACC deaminase containing rhizosphere bacteria along with Mesohizobium isolates were evaluated for growth promotion of chickpea under salinity stress conditions.…”

Section: Introductionmentioning

confidence: 99%

Amelioration of salt stress in chickpea (Cicer arietinum L.) by coinculation of ACC deaminase-containing rhizospheric bacteria with Mesorhizobium strains

Chaudhary

Sindhu

2016

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Chickpea is a major legume crop grown in the semi-arid tropics and its yields are adversely affected by salinity. In this study, 55 rhizobacterial isolates obtained from the chickpea rhizosphere soil were screened for their salt tolerance. At 3% NaCl concentration, 41.8% rhizobacterial isolates formed colonies varying from 0.5-10 mm size and only 10.9 per cent isolates showed growth at 4% NaCl concentration. Significant growth on ACC supplemented medium plates was observed in 32.7% rhizobacterial isolates. Coinoculation studies with ACC + as well as ACC -Mesorhizobium and rhizobacterial isolates were made on chickpea under chillum jar conditions containing sloger's broth with salt (EC, 4dS/m) and without salt. Coinoculation of Mesorhizobium isolate MBD26 (ACC + ) and rhizobacterial isolate RHD18 (ACC + ) formed 59 nodules/plant and caused 112.9% increase in plant dry weight as compared to uninoculated control plants at 50 days of plant growth, whereas in the presence of salt, only 31.2% increase in plant dry weight was observed in comparison to uninoculated plants. At 80 days of plant growth, coinoculation of Mesorhizobium isolate MBD26 (ACC + ) with rhizobacterial isolate RHD18 (ACC + ) further increased the nodule number (78 nodules/plant) and 141.9% increase in shoot dry weight was observed as compared to uninoculated plants. Thus, it was concluded that coinoculation of ACC + Mesorhizobium and rhizobacterial isolates showed more stimulatory effect on nodulation and plant biomass under normal and salt amended treatments.

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Section: Introductionmentioning

confidence: 99%

Amelioration of salt stress in chickpea (Cicer arietinum L.) by coinculation of ACC deaminase-containing rhizospheric bacteria with Mesorhizobium strains

Chaudhary

Sindhu

2016

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“…through production of hormones. They can also be involved in plant protection, which is due to direct interactions of microorganisms through the production of antibiotic compounds and competition for resources (Wu et al, 2009). Additionally, microorganisms may protect plants against the pathogens by inducing systemic resistance (Pieterse et al, 2012).…”

Section: Isolation Of Bacteria From the Phyllosphere Of Different Cropsmentioning

confidence: 99%

Establishment of Antifungal Phyllospheric Bacteria in Potato (Solanum tuberosum L.)

Kumar¹,

Chaudhary²,

hmi³

et al. 2018

Int.J.Curr.Microbiol.App.Sci

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“…Interactions between plants and SMC are an integral part of our terrestrial ecosystem 227 and optimization of plant and microbe relationships will be necessary to promote improved 228 plant growth and more efficient carbon sequestration mechanisms (Wu et al, 2009). Research 229 in this manuscript explored the influence of increasing SMC population and F:B structure on 230 plant growth and for increases in soil carbon content using easily-adoptable agronomic 231 practices that are practical for farmers (commercial to third world) to adopt into their 232 agricultural enterprise.…”

Section: Preprintsmentioning

confidence: 99%

Development of soil microbial communities for promoting sustainability in agriculture and a global carbon fix

Johnson

Ellington

Eaton

2015

Preprint

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The goals of this research were to explore alternative agriculture management practices in both greenhouse and field trials that do not require the use of synthetic and/or inorganic nutrient amendments but instead would emulate mechanisms operating in natural ecosystems, between plant and Soil Microbial Communities (SMC), for plant nutrient acquisition and growth. Greenhouse plant-growth trials, implementing a progression of soil conditions with increasing soil carbon (C) (C= 0.14% to 5.3%) and associated SMC population with increasing Fungal to Bacterial ratios (F:B) ( from 0.04 to 3.68), promoted a) increased C partitioning into plant shoot and plant fruit partitions (m=4.41, r2=0.99), b) significant quantities of plant photosynthate, 49%-97% of Total System New C (CTSN), partitioned towards increasing soil C c) four times reduction in soil C respiration (CR) as F:B ratios increased, starting with 44% of initial treatment soil C content respired in bacterial-dominant soils (low F:B), to 11% of soil C content respired in higher fertility fungal-dominant soils (Power Regression, r2=0.90; p=0.003). Plant growth trials in fields managed for increased soil C content and enhanced SMC population and structure (increased F:B) demonstrated: a) dry aboveground biomass production rates (g m-2) of ~1,980 g in soils initiating SMC enhancement (soil C=0.87, F:B= 0.80) with observed potentials of 8,450 g in advanced soils (soil C=7.6%, F:B=4.3) b) a 25-times increase in active soil fungal biomass and a ~7.5 times increase in F:B over a 19 month application period to enhance SMC and c) reduced soil C respiration rates, from 1.25 g C m-2 day-1 in low fertility soils (soil C= 0.6%, F:B= 0.25) with only a doubling of respiration rates to 2.5 g C m-2 day-1 in a high-fertility soil with an enhanced SMC (F:B= 4.3) and >7 times more soil C content (soil C= 7.6%). Enhancing SMC population and F:B structure in a 4.5 year agricultural field study promoted annual average capture and storage of 10.27 metric tons soil C ha-1 year -1 while increasing soil macro-, meso- and micro-nutrient availability offering a robust, cost-effective carbon sequestration mechanism within a more productive and long-term sustainable agriculture management approach.

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Developing microbe–plant interactions for applications in plant‐growth promotion and disease control, production of useful compounds, remediation and carbon sequestration

Cited by 140 publications

References 90 publications

Amelioration of salt stress in chickpea (Cicer arietinum L.) by coinculation of ACC deaminase-containing rhizospheric bacteria with Mesorhizobium strains

Amelioration of salt stress in chickpea (Cicer arietinum L.) by coinculation of ACC deaminase-containing rhizospheric bacteria with Mesorhizobium strains

Establishment of Antifungal Phyllospheric Bacteria in Potato (Solanum tuberosum L.)

Development of soil microbial communities for promoting sustainability in agriculture and a global carbon fix

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