Abstract
Enhancing zinc (Zn) content in wheat grains by using Zn-mobilizing rhizosphere bacteria is becoming an eco-friendly and sustainable alternative to conventional approaches such as chemical fertilization. Our study aimed to isolate, screen, and evaluate Zn-mobilizing rhizosphere bacteria to improve its content in wheat biomass. Wheat rhizosphere soils were collected in several wheat planted soils in Ethiopia and Zn-solubilizing bacteria were isolated and screened for their plant beneficial traits. Isolates W8_A, W25_A, and W63_B were selected. Pot experiments were conducted in sterilized river sand supplemented with 0.05% zinc oxide by using these isolates. The experiment consisted of nine treatments in complete randomized design with four replications. Data were means of three independent experiments. W8_A, W25_A, and W63_B exhibited zinc solubilization index > 4.0. Consortium inoculation showed the highest improvements in plant growth. Inoculations improved shoot length and dry weigh on average by 67.4% and 84.2%, respectively compared to the control. On average, 90.2% root and 75.5% shoot Zn content increased compared to the untreated control. Hence, the isolates can be applied for Zn bio-fortification in wheat to combat Zn deficiencies in food grains.
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Claims 7
Claim · model-written summary
Selected isolates had zinc solubilization indices above 4.0.
- Taxon
- wheat
Triticum aestivumt0 - Interactor
- W8_A, W25_A, and W63_Be0symbiont
- Outcome
- zinc solubilization indexe0
- Direction
- >e0
- Value
- > 4.0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“W8_A, W25_A, and W63_B exhibited zinc solubilization index > 4.0”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
Consortium inoculation gave the highest improvement in wheat growth.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Consortium inoculatione0
- Outcome
- plant growthe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Consortium inoculation showed the highest improvements in plant growth”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
Inoculation increased shoot length by 67.4% against control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Inoculationse0
- Outcome
- shoot lengthe0
- Direction
- improvede0
- Value
- 67.4%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculations improved shoot length and dry weigh on average by 67.4% and 84.2%, respectively compared to the control”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
Inoculation increased shoot dry weight by 84.2% against control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Inoculationse0
- Outcome
- dry weighe0
- Direction
- improvede0
- Value
- 84.2%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculations improved shoot length and dry weigh on average by 67.4% and 84.2%, respectively compared to the control”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
Inoculation raised root Zn content by 90.2% against untreated control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn-mobilizing bacteriat1
- Outcome
- roote0
- Direction
- increasede0
- Value
- 90.2%e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On average, 90.2% root and 75.5% shoot Zn content increased compared to the untreated control”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
Inoculation raised shoot Zn content by 75.5% against untreated control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn-mobilizing bacteriat1
- Outcome
- shoot Zn contente0
- Direction
- increasede0
- Value
- 75.5%e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On average, 90.2% root and 75.5% shoot Zn content increased compared to the untreated control”
t0“wheat”
t1“Zn-mobilizing bacteria”
Claim · model-written summary
The authors recommend the isolates for wheat Zn biofortification.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- isolatese0
- Outcome
- Zn bio-fortification in wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the isolates can be applied for Zn bio-fortification in wheat to combat Zn deficiencies in food grains”
t0“wheat”
t1“Zn-mobilizing bacteria”
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See all 532 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.