Abstract
The effects of AM fungi on agronomic attribute,dry matter accumulation,gas exchange parameters,chlorophyll,chlorophyll fluorescence parameters of flue-cured tobacco were studied by pot experiments in order to investigate the tobacco growth effect of the AM fungi inoculation.The results showed that AM fungi inoculation increased significantly tobacco biomass.The agronomic attributes in various growth stages and root cap ratio effects varied with types of AM fungi.Inoculation of AM fungi resulted in increase of net photosynthetic rate,stomatal conductance,transpiration rate,chlorophyll a/b value,the maximum quantum yield of PSII,relative maximal electron transport rate and onset of light saturation in leaves,but the intercellular CO2 concentration and stomatal limitation value did not change significantly.There were differences between different AM Fungi on the total chlorophyll content,carotenoid content,chlorophyll a content,chlorophyll b content and the PS II potential activity in tobacco leaves,but the initial slope was lower than in non-AM plants.The results demonstrated that inoculation of AM fungi might enhance the PSII reaction centers in leaves,which caused photosynthetic organization in leaves were more tolerant to strong light and more conducive to photosynthesis,but the effects of AM fungi promoted the growth of flue-cured tobacco varied.
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Claims 12
Claim · model-written summary
AM fungi significantly increased tobacco biomass.
- Taxon
- Flue-cured Tobaccot0
- Treatment
- AM fungi inoculatione0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- tobacco biomasse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“AM fungi inoculation increased significantly tobacco biomass”
t0“Flue-cured Tobacco”
Claim · model-written summary
Agronomic attributes and root cap ratio responses varied by AM fungal type.
- Taxon
- Flue-cured Tobaccot0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- root cap ratio effectse0
Verbatim
e0“The agronomic attributes in various growth stages and root cap ratio effects varied with types of AM fungi.”
t0“Flue-cured Tobacco”
Claim · model-written summary
AM fungi increased net photosynthetic rate, stomatal conductance and transpiration rate.
- Taxon
- Flue-cured Tobaccot0
- Treatment
- Inoculation of AM fungie0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- net photosynthetic rate,stomatal conductance,transpiration ratee0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“Inoculation of AM fungi resulted in increase of net photosynthetic rate,stomatal conductance,transpiration rate”
t0“Flue-cured Tobacco”
Claim · model-written summary
AM fungi increased chlorophyll a/b value, maximum PSII quantum yield and relative maximal electron transport rate.
- Taxon
- Flue-cured Tobaccot0
- Treatment
- Inoculation of AM fungie0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- chlorophyll a/b value,the maximum quantum yield of PSII,relative maximal electron transport ratee0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“Inoculation of AM fungi resulted in increase of net photosynthetic rate,stomatal conductance,transpiration rate,chlorophyll a/b value,the maximum quantum yield of PSII,relative maximal electron transport rate”
t0“Flue-cured Tobacco”
Claim · model-written summary
AM fungi increased onset of light saturation.
- Taxon
- Flue-cured Tobaccot0
- Treatment
- Inoculation of AM fungie0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- onset of light saturatione0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“Inoculation of AM fungi resulted in increase of net photosynthetic rate,stomatal conductance,transpiration rate,chlorophyll a/b value,the maximum quantum yield of PSII,relative maximal electron transport rate and onset of light saturation in leaves”
t0“Flue-cured Tobacco”
Claim · model-written summary
Intercellular CO2 concentration and stomatal limitation did not change significantly with AM fungi.
- Taxon
- Flue-cured Tobaccot0
- Outcome
- intercellular CO2 concentration and stomatal limitation valuee0
- Direction
- did not changee0
Not reportedTreatmentComparator
Verbatim
e0“but the intercellular CO2 concentration and stomatal limitation value did not change significantly”
t0“Flue-cured Tobacco”
Claim · model-written summary
Total chlorophyll, carotenoid, chlorophyll a and chlorophyll b contents differed among AM fungi.
- Taxon
- Flue-cured Tobaccot0
- Interactor
- AM FungiGlomeromycotae0symbiont
- Outcome
- total chlorophyll content,carotenoid content,chlorophyll a content,chlorophyll b contente0
Verbatim
e0“There were differences between different AM Fungi on the total chlorophyll content,carotenoid content,chlorophyll a content,chlorophyll b content”
t0“Flue-cured Tobacco”
Claim · model-written summary
PSII potential activity differed among AM fungi.
- Taxon
- tobacco
Nicotiana tabacume0 - Interactor
- AM FungiGlomeromycotae0symbiont
- Outcome
- PS II potential activitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were differences between different AM Fungi on the total chlorophyll content,carotenoid content,chlorophyll a content,chlorophyll b content and the PS II potential activity in tobacco leaves”
Claim · model-written summary
The initial slope was lower in inoculated than non-AM plants.
Not reportedTreatment
Verbatim
e0“but the initial slope was lower than in non-AM plants”
t0“Flue-cured Tobacco”
Claim · model-written summary
The authors infer AM fungi may enhance leaf PSII reaction centers.
Verbatim
e0“inoculation of AM fungi might enhance the PSII reaction centers in leaves”
t0“Flue-cured Tobacco”
Claim · model-written summary
The authors infer greater tolerance to strong light.
Verbatim
e0“photosynthetic organization in leaves were more tolerant to strong light”
t0“Flue-cured Tobacco”
Claim · model-written summary
The authors infer AM fungi promote tobacco growth to varying degrees.
- Taxon
- flue-cured tobaccoe0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- growth of flue-cured tobaccoe0
Verbatim
e0“the effects of AM fungi promoted the growth of flue-cured tobacco varied”
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See all 7 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.