Abstract
Phosphate- solubilizing fungi is a kind of microorganism which can transform insoluble phosphorus into soluble phosphorus.To improve utilization efficiency of phosphorus in agriculture,here we isolated two phosphate- solubilizing fungi that show high phosphate- solubilizing ability labeled as 3- 1 and 3- 2 from processing tomato rhizosphere soil.According to theircolonial morphological characteristics and ITS rDNA sequence analysis,strain 3- 1 and 3- 2 were identified as Aspergillus nigerand Aspergillus flavus,respectively.We found that the phosphate- solubilizing ability of strain 3- 1 and 3- 2 were 368.7 mg and142.2 mg soluble phosphorus perlitermedium,by using Ca3(PO4)2phosphorus source medium.Meanwhile,theireffects on seed germination were researched by soaking Xingjiang Processing Tomato seed with different fermentation broth of strains and concentrations.The results showed that different strain and fermentation broth concentration influence significantly tomato seed germination.The gemination index of tomato seeds increased with lowerconcentration of the fermentation broth of fungi.When the OD600 optical density value of fermentation liquid was 0.1,the highest germination rate of strain 3- 2 appeared,which reached as(94.5±1.0)%.Furthermore,with increasing concentration of fermentation broth,the germination potential of single strain treatments were reduced.Ourresearch results provided an important reference forobtaining phosphate- solubilizing microorganisms,which may be beneficial to the application of Xinjiang processing tomato production.
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Claims 8
Claim · model-written summary
Strain 3-1 was identified as Aspergillus niger.
- Taxon
- Aspergillus niger
Aspergillus nigere0 - Material
- strain 3- 1e0
- Outcome
- identified as Aspergillus nigere0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strain 3- 1 and 3- 2 were identified as Aspergillus nigerand Aspergillus flavus,respectively”
t0“Processing Tomato Seed”
Claim · model-written summary
Strain 3-2 was identified as Aspergillus flavus.
- Taxon
- Aspergillus flavus
Aspergillus flavuse0 - Material
- 3- 2e0
- Outcome
- identified as Aspergillus nigerand Aspergillus flavuse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strain 3- 1 and 3- 2 were identified as Aspergillus nigerand Aspergillus flavus,respectively”
Claim · model-written summary
Strain 3-1 solubilized 368.7 mg phosphorus per liter medium.
Not reportedDirection
Verbatim
e0“phosphate- solubilizing ability of strain 3- 1 and 3- 2 were 368.7 mg and142.2 mg soluble phosphorus perlitermedium”
Claim · model-written summary
Strain 3-2 solubilized 142.2 mg phosphorus per liter medium.
Not reportedDirection
Verbatim
e0“phosphate- solubilizing ability of strain 3- 1 and 3- 2 were 368.7 mg and142.2 mg soluble phosphorus perlitermedium”
Claim · model-written summary
Fungal strain and fermentation broth concentration significantly influenced tomato seed germination.
- Taxon
- Tomato
Solanum lycopersicumt0 - Treatment
- fermentation broth concentratione0
- Outcome
- tomato seed germinatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“different strain and fermentation broth concentration influence significantly tomato seed germination”
t0“Processing Tomato Seed”
Claim · model-written summary
Lower concentrations of fungal fermentation broth increased tomato seed germination index.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- lowerconcentration of the fermentation broth of fungie0
- Outcome
- gemination index of tomato seedse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The gemination index of tomato seeds increased with lowerconcentration of the fermentation broth of fungi”
t0“Processing Tomato Seed”
Claim · model-written summary
At OD600 0.1, strain 3-2 produced the highest tomato seed germination rate, (94.5±1.0)%.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- strain 3- 2e0
- Interactor
- strain 3- 2e0symbiont
- Outcome
- germination ratee0
- Direction
- higheste0
- Value
- (94.5±1.0)%e0
- Qualifier
- OD600 optical density value of fermentation liquid was 0.1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the OD600 optical density value of fermentation liquid was 0.1,the highest germination rate of strain 3- 2 appeared,which reached as(94.5±1.0)%”
t0“Processing Tomato Seed”
Claim · model-written summary
Increasing fungal broth concentration reduced germination potential under single strain treatments.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- increasing concentration of fermentation brothe0
- Outcome
- germination potentiale0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with increasing concentration of fermentation broth,the germination potential of single strain treatments were reduced”
t0“Processing Tomato Seed”
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processing · growth · Solanum lycopersicum (tomato)Positive and negative results
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