Abstract
BACKGROUND: Corn (Zea mays L.) is one of the most important cereal crops in the world and is used for food, feed and energy. Inoculation with plant-growth-promoting rhizobacteria (PGPR) would reduce the use of chemical fertilisers and pesticides and could be suggested as an alternative practice for sustainable production of corn in modern agricultural systems. In this study, the effect of two Bacillus PGPR formulated products, Companion (B. subtilis GB03) and FZB24 (B. subtilis FZB24), on corn growth and root uptake of insecticide thiamethoxam was investigated. RESULTS: All bacterial treatments enhanced root biomass production by 38-65% compared with the uninoculated control, with no stimulatory effect of PGPR on above-ground biomass of corn. The uptake results revealed that, in plants inoculated with the PGPR B. subtilis FZB24 and B. subtilis GB03, singly or in combination, the uptake and/or systemic translocation of thiamethoxam in the above-ground corn parts was significantly higher at the different growth ages compared with the control receiving no bacterial treatment. CONCLUSION: The findings suggest that the PGPR-elicited enhanced uptake of thiamethoxam could lead to improved efficiency of thiamethoxam using reduced rates of pesticides in combination with PGPR as an alternative crop protection technique.
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Claims 6
Claim · model-written summary
Bacterial treatments increased root biomass by 38-65% versus uninoculated controls.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- bacterial treatmentse0
- Outcome
- root biomass productione0
- Direction
- enhancede0
- Value
- 38-65%e0
- Comparator
- uninoculated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All bacterial treatments enhanced root biomass production by 38-65% compared with the uninoculated control”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
Claim · model-written summary
PGPR did not stimulate above-ground corn biomass.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- PGPRe0
- Outcome
- above-ground biomass of corne0
- Direction
- no stimulatory effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with no stimulatory effect of PGPR on above-ground biomass of corn”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
Claim · model-written summary
B. subtilis FZB24 inoculation significantly increased thiamethoxam uptake or translocation in above-ground corn parts.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- inoculated with the PGPR B. subtilis FZB24e0
- Interactor
- B. subtilis FZB24
Bacillus subtilise0symbiontt1 - Outcome
- uptake and/or systemic translocation of thiamethoxam in the above-ground corn partse0
- Direction
- highere0
- Comparator
- control receiving no bacterial treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in plants inoculated with the PGPR B. subtilis FZB24 and B. subtilis GB03, singly or in combination, the uptake and/or systemic translocation of thiamethoxam in the above-ground corn parts was significantly higher at the different growth ages compared with the control receiving no bacterial treatment.”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
Claim · model-written summary
B. subtilis GB03 inoculation significantly increased thiamethoxam uptake or translocation in above-ground corn parts.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- B. subtilis GB03e0
- Interactor
- B. subtilis GB03Bacillus subtilise0symbiontt1
- Outcome
- uptake and/or systemic translocation of thiamethoxam in the above-ground corn partse0
- Direction
- highere0
- Comparator
- control receiving no bacterial treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in plants inoculated with the PGPR B. subtilis FZB24 and B. subtilis GB03, singly or in combination, the uptake and/or systemic translocation of thiamethoxam in the above-ground corn parts was significantly higher at the different growth ages compared with the control receiving no bacterial treatment.”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
Claim · model-written summary
Combined inoculation significantly increased thiamethoxam uptake or translocation in above-ground corn parts.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- B. subtilis FZB24 and B. subtilis GB03, singly or in combinatione0
- Interactor
- B. subtilis FZB24Bacillus subtilise0symbiontt1
- Second interactor
- B. subtilis GB03Bacillus subtilise0symbiontt1
- Outcome
- uptake and/or systemic translocation of thiamethoxam in the above-ground corn partse0
- Direction
- highere0
- Comparator
- control receiving no bacterial treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in plants inoculated with the PGPR B. subtilis FZB24 and B. subtilis GB03, singly or in combination, the uptake and/or systemic translocation of thiamethoxam in the above-ground corn parts was significantly higher at the different growth ages compared with the control receiving no bacterial treatment.”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
Claim · model-written summary
The authors suggest PGPR may improve thiamethoxam efficiency at reduced pesticide rates.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- improved efficiency of thiamethoxam using reduced rates of pesticides in combination with PGPRe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The findings suggest that the PGPR-elicited enhanced uptake of thiamethoxam could lead to improved efficiency of thiamethoxam using reduced rates of pesticides in combination with PGPR as an alternative crop protection technique.”
t0“corn (Zea mays L.) seedlings”
t1“corn (Zea mays L.) seedlings”
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