Abstract
Phosphate-Solubilizing Bacteria (PSB) improve plant growth, yield and phosphorus content of several crops, and may be used as bioinoculant to enhance sustainable production.We evaluated the response of maize (Zea mays L.) to PSB inoculation under controlled and field conditions in Tucumán, Argentina.A pot culture experiment was conducted to investigate the effects of seven previously isolated PSB on early development of plants.Seeds were treated with each bacterial strain, and seedlings were harvested 30 days after inoculation.All strains showed a positive effect on plant growth.A significant increment in plant height (45%), shoot dry weight (40%) was determined in plants treated with Pseudomonas tolaasii IEXb, while Pseudomonas koreensis SP28 has remarkably increased P content compared to the uninoculated control.IEXb strain was selected and evaluated under field conditions in combination with triple superphosphate (TSP) as P fertilizer.The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants.In general, P. tolaasii IEXb inoculation was more efficient as bioinoculant without P fertilizer than with TSP.These results provide baseline information for future studies of P. tolaasii IEXb as bioinoculant to promote an eco-friendly and sustainable agriculture.
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Claims 11
Claim · model-written summary
All bacterial strains positively affected maize growth.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All strains showed a positive effect on plant growth”
t0“maize”
Claim · model-written summary
Pseudomonas tolaasii IEXb increased plant height by 45%.
- Treatment
- treated with Pseudomonas tolaasii IEXbe0
- Interactor
- Pseudomonas tolaasii IEXbPseudomonas tolaasiie0symbiont
- Outcome
- plant heighte0
- Direction
- incremente0
- Value
- 45%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant increment in plant height (45%), shoot dry weight (40%) was determined in plants treated with Pseudomonas tolaasii IEXb”
t0“maize”
Claim · model-written summary
Pseudomonas tolaasii IEXb increased shoot dry weight by 40%.
- Treatment
- treated with Pseudomonas tolaasii IEXbe0
- Interactor
- Pseudomonas tolaasii IEXbPseudomonas tolaasiie0symbiont
- Outcome
- shoot dry weighte0
- Direction
- incremente0
- Value
- 40%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant increment in plant height (45%), shoot dry weight (40%) was determined in plants treated with Pseudomonas tolaasii IEXb”
t0“maize”
Claim · model-written summary
Pseudomonas koreensis SP28 increased P content versus uninoculated control.
- Treatment
- Pseudomonas koreensis SP28e0
- Interactor
- Pseudomonas koreensis SP28Pseudomonas koreensise0symbiont
- Outcome
- P contente0
- Direction
- increasede0
- Comparator
- uninoculated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pseudomonas koreensis SP28 has remarkably increased P content compared to the uninoculated control”
t0“maize”
Claim · model-written summary
IEXb increased seedling emergence by 8%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb increased shoot length by 19%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb increased grain yield by 44%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb increased thousand-grain weight by 18%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb increased total dry biomass by 32%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb increased P content by 56%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of IEXb strain stimulated seedling emergence (8%), shoot length (19%), grain yield (44%), 1000-grain weight (18%), total dry biomass (32%) and P content (56%) of maize plants”
Claim · model-written summary
IEXb was more efficient without P fertilizer than with TSP.
- Treatment
- P. tolaasii IEXb inoculatione0
- Interactor
- P. tolaasii IEXbPseudomonas tolaasiie0symbiont
- Outcome
- more efficiente0
- Direction
- more efficiente0
- Comparator
- with TSPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. tolaasii IEXb inoculation was more efficient as bioinoculant without P fertilizer than with TSP”
t0“maize”