Abstract
With increasing effects of global climate change, there is a strong interest in developing biofuels from trees such as poplar (Populus sp.) that have high C sequestration rates and relatively low chemical inputs. Using plant-microbe symbiosis to maximize plant growth and increase host stress tolerance may play an important role in improving the economic viability and environmental sustainability of poplar as a feedstock. Based on our previous research, a total of ten endophyte strains were selected as a consortium to investigate the effects of inoculation on commercial hardwood cuttings of Populus deltoides P. nigra clone OP-367. After one and a half months of growth under non-stress conditions followed by one month under water stress, there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation. Furthermore, inoculated plants demonstrated reduced damage by reactive oxygen species (ROS) indicating a possible mechanism for symbiosis-mediated drought tolerance. Production of important phytohormones by these endophytes and identification of microbial genes involved in conferring drought tolerance suggests their potential roles in the modulation of the plant host stress response.
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Claims 7
Claim · model-written summary
Endophyte inoculation substantially promoted poplar growth under non-stress and water stress conditions.
- Material
- Populus deltoides P. nigra clone OP-367e0
- Treatment
- endophyte inoculatione1
- Interactor
- endophytee1symbiont
- Outcome
- growthe1
- Direction
- promotione1
PopulusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effects of inoculation on commercial hardwood cuttings of Populus deltoides P. nigra clone OP-367”
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
Claim · model-written summary
Endophyte inoculation improved leaf physiology of poplar plants.
- Treatment
- endophyte inoculatione1
- Interactor
- endophytee1symbiont
- Outcome
- leaf physiologye1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
Claim · model-written summary
Endophyte-inoculated poplar plants showed reduced damage by reactive oxygen species.
- Treatment
- endophyte inoculatione1
- Interactor
- endophytee1symbiont
- Outcome
- damage by reactive oxygen speciese3
- Direction
- reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
e3“inoculated plants demonstrated reduced damage by reactive oxygen species (ROS)”
Claim · model-written summary
Reduced reactive oxygen species damage is a possible mechanism for symbiosis-mediated drought tolerance of poplar.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
e3“inoculated plants demonstrated reduced damage by reactive oxygen species (ROS)”
e4“indicating a possible mechanism for symbiosis-mediated drought tolerance”
Claim · model-written summary
Endophytes produced important phytohormones.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
e5“Production of important phytohormones by these endophytes”
Claim · model-written summary
Microbial genes involved in conferring drought tolerance were identified in the endophytes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
e6“identification of microbial genes involved in conferring drought tolerance”
Claim · model-written summary
The endophytes may play potential roles in modulating the plant host stress response.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“there was substantial growth promotion with improved leaf physiology of poplar plants in response to the endophyte inoculation”
e5“Production of important phytohormones by these endophytes”
e7“suggests their potential roles in the modulation of the plant host stress response”
The same questions in other papers
inoculation · physiology: oxidative · Populus (poplar)Results agree
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inoculation · growth · Populus (poplar)Results agree
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- positive
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See all 21 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.