Abstract
In order to exploit Methylobacterium oryzae CBMB20 as of plant growth promoting agent, different inoculation methods have been evaluated. The present study aimed to evaluate soil, foliar, and soil+foliar inoculations of M. oryzae CBMB20 to improve the growth, fruit yield, and nutrient uptake of red pepper (Capsicum annuum L.) under greenhouse conditions. The population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20 using the three inoculation methods was 2.5-2.9 ${\log}_{10}$ cfu/g in the rhizosphere and 4.5-6.0 ${\log}_{10}$ cfu/g in the phyllosphere of red pepper plants. Confocal laser scanning microscopy results confirmed the colonization of M. oryzae CBMB20 endophytically on leaf surface. Plant height, fruit dry weight, and total biomass were significantly higher ($p{\leq}0.05$) in all M. oryzae CBMB20 inoculation methods as compared to non-inoculated control. Furthermore, uptake of mineral nutrients such as N, P, K, Ca, and Mg in red pepper plants in all M. oryzae CBMB20 inoculation methods was higher than in non-inoculated control. Comparative results of inoculation methods clearly demonstrated that soil+foliar inoculation of M. oryzae CBMB20 lead to the highest biomass accumulation and nutrient uptake which may be due to its efficient colonization in the red pepper rhizosphere and phyllosphere.
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Claims 6
Claim · model-written summary
Tagged Methylobacterium populations ranged from 2.5 to 2.9 log10 cfu/g in the pepper rhizosphere.
- Taxon
- red pepper
Capsicum annuum var. annuume0 - Organ / stage
- rhizospheree0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20e0
- Value
- 2.5-2.9 ${\log}_{10}$ cfu/ge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20 using the three inoculation methods was 2.5-2.9 ${\log}_{10}$ cfu/g in the rhizosphere and 4.5-6.0 ${\log}_{10}$ cfu/g in the phyllosphere of red pepper plants.”
Claim · model-written summary
Tagged Methylobacterium populations ranged from 4.5 to 6.0 log10 cfu/g in the pepper phyllosphere.
- Taxon
- red pepperCapsicum annuum var. annuume0
- Organ / stage
- phyllospheree0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20e0
- Value
- 4.5-6.0 ${\log}_{10}$ cfu/ge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20 using the three inoculation methods was 2.5-2.9 ${\log}_{10}$ cfu/g in the rhizosphere and 4.5-6.0 ${\log}_{10}$ cfu/g in the phyllosphere of red pepper plants.”
Claim · model-written summary
Microscopy confirmed endophytic Methylobacterium colonization of pepper leaves.
- Organ / stage
- leaf surfacee0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- colonization of M. oryzae CBMB20 endophytically on leaf surfacee0
Not reportedTaxon
Verbatim
e0“Confocal laser scanning microscopy results confirmed the colonization of M. oryzae CBMB20 endophytically on leaf surface.”
Claim · model-written summary
All Methylobacterium inoculation methods significantly increased pepper plant height, fruit dry weight, and biomass versus controls.
- Treatment
- all M. oryzae CBMB20 inoculation methodse0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- Plant height, fruit dry weight, and total biomasse0
- Direction
- highere0
- Comparator
- non-inoculated controle0
Not reportedTaxon
Verbatim
e0“Plant height, fruit dry weight, and total biomass were significantly higher ($p{\leq}0.05$) in all M. oryzae CBMB20 inoculation methods as compared to non-inoculated control.”
Claim · model-written summary
All inoculation methods increased pepper uptake of N, P, K, Ca, and Mg versus controls.
- Taxon
- red pepperCapsicum annuum var. annuume0
- Treatment
- all M. oryzae CBMB20 inoculation methodse0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- uptake of mineral nutrients such as N, P, K, Ca, and Mge0
- Direction
- highere0
- Comparator
- non-inoculated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“uptake of mineral nutrients such as N, P, K, Ca, and Mg in red pepper plants in all M. oryzae CBMB20 inoculation methods was higher than in non-inoculated control.”
Claim · model-written summary
Combined soil and foliar inoculation gave the greatest biomass accumulation and nutrient uptake.
- Treatment
- soil+foliar inoculation of M. oryzae CBMB20e0
- Interactor
- M. oryzae CBMB20Methylobacterium oryzaee0symbiont
- Outcome
- biomass accumulation and nutrient uptakee0
- Direction
- higheste0
Not reportedTaxonComparator
Verbatim
e0“soil+foliar inoculation of M. oryzae CBMB20 lead to the highest biomass accumulation and nutrient uptake”
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