Abstract
The use of commercial food waste in the Korean agricultural industry is increasing due to its capacity to act as an ecofriendly fertilizer. However, the high salt content of food waste can be detrimental to plant health and increase salinity levels in agricultural fields. In the current study, we introduced halotolerant rhizobacteria to neutralize the negative impact of food waste-related salt stress on crop productivity. We isolated halotolerant rhizobacteria from plants at Pohang beach, and screened bacterial isolates for their plant growth-promoting traits and salt stress-mitigating capacity; consequently, the bacterial isolate Bacillus pumilus MAK9 was selected for further investigation. This isolate showed higher salt stress tolerance and produced indole-3-acetic acid along with other organic acids. Furthermore, the inoculation of B. pumilus MAK9 into Chinese cabbage plants alleviated the effects of salt stress and enhanced plant growth parameters, i.e., it increased shoot length (32%), root length (41%), fresh weight (18%), dry weight (35%), and chlorophyll content (13%) compared with such measurements in plants treated with food waste only (control). Moreover, relative to control plants, inoculated plants showed significantly decreased abscisic acid content (2-fold) and increased salicylic acid content (11.70%). Bacillus pumilus MAK9-inoculated Chinese cabbage plants also showed a significant decrease in glutathione (11%), polyphenol oxidase (17%), and superoxide anions (18%), but an increase in catalase (14%), peroxidase (19%), and total protein content (26%) in comparison to the levels in control plants. Inductively coupled plasma mass spectrometry analysis showed that B. pumilus MAK9-inoculated plants had higher calcium (3%), potassium (22%), and phosphorus (15%) levels, whereas sodium content (7%) declined compared with that in control plants. Similarly, increases in glucose (17%), fructose (11%), and sucrose (14%) contents were recorded in B. pumilus MAK9-inoculated plants relative to in control plants. The bacterial isolate MAK9 was confirmed as B. pumilus using 16S rRNA and phylogenetic analysis. In conclusion, the use of commercially powered food waste could be a climate-friendly agricultural practice when rhizobacteria that enhance tolerance to salinity stress are also added to plants.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 8
Claim · model-written summary
MAK9 showed higher salt tolerance and produced indole-3-acetic acid and other organic acids.
- Taxon
- Chinese Cabbage Plants
Brassica rapa subsp. pekinensist0 - Interactor
- Bacillus pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- higher salt stress tolerance and produced indole-3-acetic acid along with other organic acidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This isolate showed higher salt stress tolerance and produced indole-3-acetic acid along with other organic acids.”
t0“Chinese Cabbage Plants”
e1“bacterial isolate Bacillus pumilus MAK9”
Claim · model-written summary
MAK9 inoculation increased cabbage shoot length by 32%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- inoculation of B. pumilus MAK9e1
- Interactor
- B. pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- shoot lengthe0
- Direction
- increasede0
- Value
- 32%e0
- Comparator
- plants treated with food waste only (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it increased shoot length (32%)”
e1“inoculation of B. pumilus MAK9 into Chinese cabbage plants”
e2“plants treated with food waste only (control)”
Claim · model-written summary
MAK9 inoculation increased cabbage root length by 41%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- inoculation of B. pumilus MAK9e1
- Interactor
- B. pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- root lengthe0
- Direction
- increaseinferrede3
- Value
- 41%e0
- Comparator
- plants treated with food waste only (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root length (41%)”
e1“inoculation of B. pumilus MAK9 into Chinese cabbage plants”
e2“plants treated with food waste only (control)”
e3“it increased shoot length (32%)”
Claim · model-written summary
MAK9 inoculation increased cabbage fresh weight by 18%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- inoculation of B. pumilus MAK9e1
- Interactor
- B. pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- fresh weighte0
- Direction
- increaseinferrede3
- Value
- 18%e0
- Comparator
- plants treated with food waste only (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fresh weight (18%)”
e1“inoculation of B. pumilus MAK9 into Chinese cabbage plants”
e2“plants treated with food waste only (control)”
e3“it increased shoot length (32%)”
Claim · model-written summary
MAK9 inoculation increased cabbage dry weight by 35%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- inoculation of B. pumilus MAK9e1
- Interactor
- B. pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- dry weighte0
- Direction
- increaseinferrede3
- Value
- 35%e0
- Comparator
- plants treated with food waste only (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weight (35%)”
e1“inoculation of B. pumilus MAK9 into Chinese cabbage plants”
e2“plants treated with food waste only (control)”
e3“it increased shoot length (32%)”
Claim · model-written summary
MAK9 inoculation increased cabbage chlorophyll content by 13%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- inoculation of B. pumilus MAK9e1
- Interactor
- B. pumilus MAK9Bacillus pumiluse1symbiont
- Outcome
- chlorophyll contente0
- Direction
- increaseinferrede3
- Value
- 13%e0
- Comparator
- plants treated with food waste only (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chlorophyll content (13%)”
e1“inoculation of B. pumilus MAK9 into Chinese cabbage plants”
e2“plants treated with food waste only (control)”
e3“it increased shoot length (32%)”
Claim · model-written summary
MAK9 inoculation increased cabbage glucose by 17%, fructose by 11%, and sucrose by 14%.
- Taxon
- Chinese cabbage plantsBrassica rapa subsp. pekinensise1
- Treatment
- B. pumilus MAK9-inoculatede0
- Interactor
- B. pumilus MAK9Bacillus pumiluse0symbiont
- Outcome
- glucose (17%), fructose (11%), and sucrose (14%) contentse0
- Direction
- increasese0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increases in glucose (17%), fructose (11%), and sucrose (14%) contents were recorded in B. pumilus MAK9-inoculated plants relative to in control plants.”
e1“Chinese cabbage plants alleviated”
Claim · model-written summary
The authors propose pairing food waste with rhizobacteria that improve salinity tolerance.
- Taxon
- Chinese Cabbage PlantsBrassica rapa subsp. pekinensist0
- Treatment
- rhizobacteria that enhance tolerance to salinity stresse0
- Outcome
- use of commercially powered food wastee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the use of commercially powered food waste could be a climate-friendly agricultural practice when rhizobacteria that enhance tolerance to salinity stress are also added to plants.”
t0“Chinese Cabbage Plants”
The same questions in other papers
inoculation · physiology: pigments · Brassica rapa (field mustard)Positive and negative results
5 papers in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
- positive
3 papers more in this group
See all 7 papers →inoculation · growth · Brassica rapa (field mustard)Positive and negative results
45 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- negative
- negative
47 papers more in this group
See all 51 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.