Growth Promotion of Legumes by Inoculation of Rhizosphere Bacteria

Sindhu, S. S.; Dua, Seema; Verma, Monica; Khandelwal, Aakanksha

doi:10.1007/978-3-211-99753-6_9

Cited by 46 publications

(42 citation statements)

References 223 publications

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“…Thus, plant-associated microorganisms play an important role in conferring resistance to abiotic stresses and microbial inoculation to alleviate stresses in plants could be a more cost effective environmental friendly option (Yang et al, 2008;Sindhu et al, 2010;Pii et al, 2015). The beneficial effects of inoculation with salt-tolerant rhizobacterial isolates in chickpea suggested that ACC deaminase-producing bacteria having plant growth promoting attributes could be an efficacious and sustainable approach for alleviating the adverse effects of salinity on agricultural crops.…”

Section: Resultsmentioning

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: Resultsmentioning

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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“…Plant growth-promoting bacteria associated with plant roots may exert their beneficial effects on nutrient uptake and plant growth through a number of mechanisms such as N 2 fixation, production of phytohormones, siderophores, and transformation of nutrient elements such as phosphorus, potassium, and iron, when they are either applied to seeds or incorporated into the soil (Kloepper et al 1989;Glick et al 1999;Herridge et al 2008;Sindhu et al 2010). Moreover, rhizosphere bacteria have also been found to suppress various plant diseases (Weller 2007;Haas and Defago 2005;Sindhu et al 2011).…”

Section: Effect Of Inoculation Of Potassium-solubilizing Bacteria On mentioning

confidence: 93%

“…Potassiumand phosphate-solubilizing bacteria (KSB and PSB) are extensively used as biofertilizers in Korea and China as significant areas of cultivated soils in these countries are deficient in soil-available K and P (Xie 1998). Their use in agriculture can reduce the use of agrochemicals and support ecofriendly crop production (Glick 1995;Requena et al 1997;Sindhu et al 2010). Therefore, the use of K-solubilizing bacteria as biofertilizer for agriculture improvement and environmental protection has been a focus of recent research (Sheng et al 2003).…”

Section: Solubilization Of K-bearing Minerals Using Microorganismsmentioning

confidence: 98%

Nutrient Cycling: Potassium Solubilization by Microorganisms and Improvement of Crop Growth

2013

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“…It is known that these microorganisms produce various plant growth-promoting substances (Sindhu et al, 2010;Malik and Sindhu, 2011). Such diazotrophic bacteria have the potential to be used as biofertilizers in different crops for a sustainable agriculture.…”

Section: Discussionmentioning

confidence: 99%

Inducing salinity tolerance in chickpea (Cicer arietinum L.) by inoculation of 1-aminocyclopropane-1-carboxylic acid deaminase-containing Mesorhizobium strains

Chaudhary¹,

Sindhu²

2015

Afr. J. Microbiol. Res.

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Salinity stress severely affects growth, nodulation and yield of chickpea (Cicer arietinum L.). However, inoculation with Mesorhizobium strains containing 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase improves the plant growth by reducing the level of ethylene induced by salt stress. Fifty (50) Mesorhizobium isolates were obtained from nodules of chickpea plants on yeast extract mannitol agar (YEMA) medium. Mesorhizobium isolates were screened for ACC utilization and growth at different salt concentrations in YEMA medium. Six salt tolerant Mesorhizobium isolates were checked for their role in plant growth promotion under pot house conditions in chillum jar assembly. Mesorhizobium strains having ACC utilization ability caused an increase in the nodule number, nodule weight and shoot dry weight after plant growth for 50 and 80 days, both with and without NaCl. Mesorhizobium isolate MBD26 showed 294 mg/plant shoot dry weight without salt condition after 50 days of plant growth. Mesorhizobium isolate MBD26 increased shoot dry weight by 49.52% (without salt) and 41.53% in the presence of salt (40 mM NaCl) after 80 days of plant growth. It was observed that inoculation with Mesorhizobium isolates containing ACC-deaminase improved nodulation and plant growth of chickpea over ACC deaminase lacking isolates. Thus, inoculation with Mesorhizobium strains possessing ACC utilization ability could be a sustainable approach to improve plant growth under salinity stress.

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Growth Promotion of Legumes by Inoculation of Rhizosphere Bacteria

Cited by 46 publications

References 223 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

Nutrient Cycling: Potassium Solubilization by Microorganisms and Improvement of Crop Growth

Inducing salinity tolerance in chickpea (Cicer arietinum L.) by inoculation of 1-aminocyclopropane-1-carboxylic acid deaminase-containing Mesorhizobium strains

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