Abstract
Plant growth promoting ability of Methylobacterium oryzae CBMB20 was evaluated under different levels of organic fertilizer application on red pepper plants in a pot experiment. Oil cake as an organic N fertilizer was applied at the rates of 70, 85, 100 and 120 % of the conventional recommended level. Each treatment was further treated with or without M. oryzae CBMB20 inoculation. The recommended amount of compost for red pepper was added in all the treatments. Results revealed that plant height, dry biomass and fruit yield were enhanced in increasing order as the rate of fertilization increased. Overall plant growth was improved due to the inoculation of M. oryzae CBMB20 and red pepper fruit yield was also increased by 10-35 % in the plants inoculated with M. oryzae CBMB20 at different rates of organic fert1izer application. Total methylotrophic bacterial population in rhizosphere soil measured at the time of harvest was significantly higher in M. oryzae CBMB20 inoculated treatments. The growth promoting effect of M. oryzae CBMB20 found in red pepper could be due to the effective colonization of the bacteria in the rhizosphere and its ability of enhancing nutrient availability and producing plant growth hormones. With the plant growth promoting effect of M. oryzae CBMB20, the rate of organic fertilizer application can be reduced without any significant decreases in biomass production and yield of red pepper.
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Claims 6
Claim · model-written summary
Increasing organic fertilizer rate enhanced pepper height, dry biomass and fruit yield.
- Taxon
- red pepper
Capsicum annuum var. annuume1 - Treatment
- rate of fertilizatione0
- Outcome
- plant height, dry biomass and fruit yielde0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height, dry biomass and fruit yield were enhanced in increasing order as the rate of fertilization increased”
e1“red pepper plants”
Claim · model-written summary
M. oryzae CBMB20 inoculation improved overall pepper growth.
- Taxon
- red pepperCapsicum annuum var. annuume1
- Treatment
- inoculation of M. oryzae CBMB20e0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- plant growthe0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Overall plant growth was improved due to the inoculation of M. oryzae CBMB20”
e1“red pepper plants”
Claim · model-written summary
Inoculation increased pepper fruit yield by 10-35 % across organic fertilizer rates.
- Taxon
- red pepperCapsicum annuum var. annuume0
- Treatment
- inoculated with M. oryzae CBMB20e0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- fruit yielde0
- Direction
- increasede0
- Value
- 10-35 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“red pepper fruit yield was also increased by 10-35 % in the plants inoculated with M. oryzae CBMB20 at different rates of organic fert1izer application”
Claim · model-written summary
Methylotrophic bacterial populations in rhizosphere soil were significantly higher with inoculation.
- Taxon
- red pepperCapsicum annuum var. annuume1
- Treatment
- M. oryzae CBMB20 inoculated treatmentse0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- Total methylotrophic bacterial population in rhizosphere soile0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total methylotrophic bacterial population in rhizosphere soil measured at the time of harvest was significantly higher in M. oryzae CBMB20 inoculated treatments”
e1“red pepper plants”
Claim · model-written summary
The authors suggest bacterial colonization, nutrient availability and hormone production may explain growth promotion.
- Taxon
- red pepperCapsicum annuum var. annuume0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- growth promoting effecte0
- Qualifier
- effective colonization of the bacteria in the rhizosphere and its ability of enhancing nutrient availability and producing plant growth hormonese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth promoting effect of M. oryzae CBMB20 found in red pepper could be due to the effective colonization of the bacteria in the rhizosphere and its ability of enhancing nutrient availability and producing plant growth hormones.”
Claim · model-written summary
The authors conclude organic fertilizer can be reduced without significant loss of pepper biomass or yield when M. oryzae is used.
- Taxon
- red pepperCapsicum annuum var. annuume0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee1symbiont
- Outcome
- rate of organic fertilizer application can be reducede0
- Qualifier
- without any significant decreases in biomass production and yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of organic fertilizer application can be reduced without any significant decreases in biomass production and yield of red pepper”
e1“With the plant growth promoting effect of M. oryzae CBMB20”
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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.