scholarly journals Effects of Phosphonate Herbicides on the Secretions of Plant-Beneficial Compounds by Two Plant Growth-Promoting Soil Bacteria: A Metabolomics Investigation

2021 ◽  
Author(s):  
Wenting Li ◽  
Rebecca A. Wilkes ◽  
Ludmilla Aristilde
Keyword(s):  
Plant Growth ◽  
Soil Bacteria ◽  
Plant Growth Promoting ◽  
Growth Promoting

scholarly journals The Use of Plant Growth-Promoting Bacteria to Prevent Nematode Damage to Plants

Biology ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 381
Author(s):  
Elisa Gamalero ◽  
Bernard R. Glick
Keyword(s):  
Plant Growth ◽  
Soil Bacteria ◽  
Global Climate ◽  
Parasitic Nematodes ◽  
Plant Growth Promoting Bacteria ◽  
Plant Parasitic Nematodes ◽  
Chemical Agents ◽  
Plant Growth Promoting ◽  
Growth Promoting ◽  
Plant Parasitic

Plant-parasitic nematodes have been estimated to annually cause around US $173 billion in damage to plant crops worldwide. Moreover, with global climate change, it has been suggested that the damage to crops from nematodes is likely to increase in the future. Currently, a variety of potentially dangerous and toxic chemical agents are used to limit the damage to crops by plant-parasitic nematodes. As an alternative to chemicals and a more environmentally friendly means of decreasing nematode damage to plants, researchers have begun to examine the possible use of various soil bacteria, including plant growth-promoting bacteria (PGPB). Here, the current literature on some of the major mechanisms employed by these soil bacteria is examined. It is expected that within the next 5–10 years, as scientists continue to elaborate the mechanisms used by these bacteria, biocontrol soil bacteria will gradually replace the use of chemicals as nematicides.

Corrigendum to “Improvement of rice plant productivity by native Cr(VI) reducing and plant growth promoting soil bacteria Enterobacter cloacae” [Chemosphere 240 (2020) 124895]

Chemosphere ◽  
2020 ◽  
Vol 238 ◽  
pp. 125011
Author(s):  
Swati Pattnaik ◽  
Debasis Dash ◽  
Swati Mohapatra ◽  
Matrujyoti Pattnaik ◽  
Amit K. Marandi ◽  
...  
Keyword(s):  
Plant Growth ◽  
Rice Plant ◽  
Soil Bacteria ◽  
Enterobacter Cloacae ◽  
Plant Productivity ◽  
Plant Growth Promoting ◽  
Growth Promoting

Improvement of rice plant productivity by native Cr(VI) reducing and plant growth promoting soil bacteria Enterobacter cloacae

Chemosphere ◽  
2020 ◽  
Vol 240 ◽  
pp. 124895 ◽  
Author(s):  
Swati Pattnaik ◽  
Debasis Dash ◽  
Swati Mohapatra ◽  
Matrujyoti Pattnaik ◽  
Amit K. Marandi ◽  
...  
Keyword(s):  
Plant Growth ◽  
Rice Plant ◽  
Soil Bacteria ◽  
Enterobacter Cloacae ◽  
Plant Productivity ◽  
Plant Growth Promoting ◽  
Growth Promoting

scholarly journals Toxicological effects of TiO2 nanoparticles on plant growth promoting soil bacteria

2020 ◽  
Vol 6 ◽  
pp. 87-92 ◽  
Author(s):  
Sangeeta Chavan ◽  
Vishwas Sarangdhar ◽  
Vigneshwaran Nadanathangam
Keyword(s):  
Plant Growth ◽  
Tio2 Nanoparticles ◽  
Soil Bacteria ◽  
Toxicological Effects ◽  
Plant Growth Promoting ◽  
Growth Promoting

A novel procedure for rapid isolation of plant growth promoting pseudomonads

1995 ◽  
Vol 41 (6) ◽  
pp. 533-536 ◽  
Author(s):  
Bernard R. Glick ◽  
Damir M. Karaturovíc ◽  
Peter C. Newell
Keyword(s):  
Plant Growth ◽  
Soil Bacteria ◽  
Acc Deaminase ◽  
Plant Growth Promoting Rhizobacteria ◽  
Bacterial Strains ◽  
Seedling Root ◽  
N Source ◽  
Plant Growth Promoting ◽  
Promote Plant Growth ◽  
Growth Promoting

A rapid and novel procedure for the isolation of plant growth promoting rhizobacteria (PGPR) is described. This method entails screening soil bacteria for the ability to utilize the compound 1-aminocyclopropane-1-carboxylate (ACC) as a sole N source, a trait that is a consequence of the presence of the activity of the enzyme ACC deaminase. This trait appears to be limited to soil bacteria that are also capable of stimulating plant growth. Seven different soil samples from two geographically disparate locations were found to contain pseudomonads that were able to to utilize ACC as a N source. Each of the seven strains was shown, by the ability of the bacterium to promote canola seedling root elongation under gnotobiotic conditions, to be a PGPR. The method described here may be used to replace the otherwise slow and tedious process of testing individual bacterial strains for their ability to promote plant growth, thereby significantly speeding up the process of finding new PGPR.Key words: plant growth promoting rhizobacteria, PGPR, 1-aminocyclopropane-1-carboxylate, ACC, ACC deaminase, bacterial fertilizer, soil bacteria.

Effects of root colonizing bacteria on nodulation of soybean roots by Bradyrhizobium japonicum

1987 ◽  
Vol 33 (6) ◽  
pp. 498-503 ◽  
Author(s):  
D. R. Polonenko ◽  
F. M. Scher ◽  
J. W. Kloepper ◽  
C. A. Singleton ◽  
M. Laliberte ◽  
...  
Keyword(s):  
Plant Growth ◽  
Aeromonas Hydrophila ◽  
Bradyrhizobium Japonicum ◽  
Soil Bacteria ◽  
Plant Growth Promoting Rhizobacteria ◽  
Field Soil ◽  
Plant Growth Promoting ◽  
Glycine Max L ◽  
Soybean Roots ◽  
Growth Promoting

Eighteen strains of soybean root colonizing soil bacteria were tested for interference with nodulation of soybeans (Glycine max (L.) Merrill) grown in a field soil – perlite mix or in a soil-less planting medium. Seventeen of the strains were identified as Pseudomonas fluorescens or Pseudomonas putida and one as Aeromonas hydrophila. All strains colonized soybean roots at levels of log 3.9 to 5.7 cfu/g root. Although nine strains increased significantly the weights of nodules formed by Bradyrhizobium japonicum 110 on soybeans grown in the soil–perlite mix, numbers of nodules increased in only three treatments. Significant increases in nodule numbers were not observed when the soil bacteria were tested with B. japonicum 118, and only two treatments increased nodule weights when compared with the controls. One of the 18 treatments increased and 1 decreased significantly the dry weights of shoots of plants inoculated with B. japonicum 110 and grown in the soil-less mix. Only one treatment reduced the dry weights of roots. Several strains stimulated increases in the dry weights of shoots and roots of plants inoculated with B. japonicum 118, but these effects were not correlated with changes in nodule numbers or weights. The results suggest that root colonizing bacteria generally do not interfere with the ability of B. japonicum to form nodules in soybean roots and that certain strains may actually enhance nodulation and plant growth. The relevance of these results for the development of improved Bradyrhizobium inoculant products by the addition of selected plant growth promoting rhizobacteria is discussed.

scholarly journals Effect of plant growth promoting rhizobacteria on Ambrosia rtemisiifolia L. seed germination

2011 ◽  
Vol 26 (2) ◽  
pp. 141-146 ◽  
Author(s):  
Sava Vrbnicanin ◽  
Dragana Bozic ◽  
Marija Saric ◽  
Danijela Pavlovic ◽  
Vera Raicevic
Keyword(s):  
Seed Germination ◽  
Plant Growth ◽  
Bacillus Licheniformis ◽  
Soil Bacteria ◽  
Plant Growth Promoting Rhizobacteria ◽  
Ambrosia Artemisiifolia ◽  
Azotobacter Chroococcum ◽  
Weed Species ◽  
Plant Growth Promoting ◽  
Growth Promoting

Soil bacteria are able either to stimulate or inhibit seed germination. If seed germination is stimulated, the seedlings of weed species emerge more uniformly, so that they could be killed in the next step of weed control. This investigation focused on testing the germination of Ambrosia artemisiifolia L. on several media: Pseudomonas fluorescens (B1), Azotobacter chroococcum (B2), Bacillus licheniformis (B3), B. pumilus (B4), B. amyloliquefaciens (B5). In control, seeds germinated in water. Seed germination varied depending on bacterial media. Germination was inhibited by bacterial treatments B1 and B3, treatments B2 and B4 stimulated germination, while germination in treatment B5 was similar to control.

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