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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suboptimal conditions reduced apparent quantum yield and actual PSII photochemical efficiency.

Taxon: cucumberCucumis sativuse1
Treatment: suboptimal temperature and light intensitye1
Outcome: apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ)e0
Direction: decreasede0
Comparator: normal temperature and light intensitye2

Verbatim

e0
“decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ)”
✓ located verbatim in the source · abstract, characters 365–533

e1
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings,but increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 322–718

e2
“compared with the normal temperature and light intensity,suboptimal temperature and light intensity led to significant decrease in the light compensation point(LCP)and CO2 compensation point(CCP)”
✓ located verbatim in the source · abstract, characters 731–926

Title

Effects of ALA on photosynthesis of cucumber seedlings under suboptimal temperature and light intensity.

Yumei Liu; Ai Xizhen; Xianchang Yu Acta Horticulturae Sinica 2010

Other claims from this paper (10)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suboptimal temperature and light reduced cucumber seedling net photosynthetic rate, stomatal conductance and carboxylation efficiency.

Taxon: cucumberCucumis sativuse1
Treatment: suboptimal temperature and light intensitye0
Outcome: net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE)e0
Direction: decreasede0
Comparator: normal temperature and light intensitye2

Verbatim

e0
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY)”
✓ located verbatim in the source · abstract, characters 322–488

e1
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings,but increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 322–718

e2
“compared with the normal temperature and light intensity,suboptimal temperature and light intensity led to significant decrease in the light compensation point(LCP)and CO2 compensation point(CCP)”
✓ located verbatim in the source · abstract, characters 731–926

Title

Effects of ALA on photosynthesis of cucumber seedlings under suboptimal temperature and light intensity.

Yumei Liu; Ai Xizhen; Xianchang Yu Acta Horticulturae Sinica 2010

Other claims from this paper (10)

Intervention effect Suboptimal conditions reduced apparent quantum yield and actual PSII photochemical efficiency.
Intervention effect Suboptimal conditions reduced photochemical quenching, antenna transformation efficiency, and RuBPCase and FDPase activities.
Intervention effect Suboptimal conditions increased intercellular CO2 concentration.
Intervention effect Suboptimal conditions significantly decreased light and CO2 compensation points.
Intervention effect ALA increased photosynthetic rate, stomatal conductance and carboxylation efficiency under suboptimal conditions.
Intervention effect ALA increased apparent quantum yield, actual PSII efficiency and photochemical quenching under suboptimal conditions.
Intervention effect ALA increased antenna transformation efficiency and RuBPCase and FDPase activities under suboptimal conditions.
Intervention effect ALA decreased intercellular CO2 concentration and light and CO2 compensation points under suboptimal conditions.
Mechanism Authors inferred nonstomatal limitation was the main cause of decreased photosynthetic rate under suboptimal conditions.
Mechanism Authors interpreted ALA as alleviating adverse suboptimal-condition effects on seedling photosynthesis.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suboptimal conditions increased intercellular CO2 concentration.

Taxon: cucumberCucumis sativuse1
Treatment: suboptimal temperature and light intensitye1
Outcome: intercellular CO2 concentration(Ci)e0
Direction: increasede0
Comparator: normal temperature and light intensitye2

Verbatim

e0
“increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 669–718

e1
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings,but increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 322–718

e2
“compared with the normal temperature and light intensity,suboptimal temperature and light intensity led to significant decrease in the light compensation point(LCP)and CO2 compensation point(CCP)”
✓ located verbatim in the source · abstract, characters 731–926

Title

Effects of ALA on photosynthesis of cucumber seedlings under suboptimal temperature and light intensity.

Yumei Liu; Ai Xizhen; Xianchang Yu Acta Horticulturae Sinica 2010

Other claims from this paper (10)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suboptimal conditions reduced photochemical quenching, antenna transformation efficiency, and RuBPCase and FDPase activities.

Taxon: cucumberCucumis sativuse0
Treatment: suboptimal temperature and light intensitye1
Outcome: photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPasee0
Direction: decreasede1
Comparator: normal temperature and light intensitye2

Verbatim

e0
“photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings”
✓ located verbatim in the source · abstract, characters 534–664

e1
“suboptimal temperature and light intensity decreased the net photosynthetic rate(Pn),stomatal conductance(Gs),carboxylation efficiency(CE),apparent quantum yield(AQY),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photochemical quenching(qP),antenna transformation efficiency(Fv'/Fm'),and activities of RuBPCase and FDPase of cucumber seedlings,but increased the intercellular CO2 concentration(Ci)”
✓ located verbatim in the source · abstract, characters 322–718

e2
“compared with the normal temperature and light intensity,suboptimal temperature and light intensity led to significant decrease in the light compensation point(LCP)and CO2 compensation point(CCP)”
✓ located verbatim in the source · abstract, characters 731–926

Title

Effects of ALA on photosynthesis of cucumber seedlings under suboptimal temperature and light intensity.

Yumei Liu; Ai Xizhen; Xianchang Yu Acta Horticulturae Sinica 2010

Other claims from this paper (10)

Intervention effect Suboptimal temperature and light reduced cucumber seedling net photosynthetic rate, stomatal conductance and carboxylation efficiency.
Intervention effect Suboptimal conditions reduced apparent quantum yield and actual PSII photochemical efficiency.
Intervention effect Suboptimal conditions increased intercellular CO2 concentration.
Intervention effect Suboptimal conditions significantly decreased light and CO2 compensation points.
Intervention effect ALA increased photosynthetic rate, stomatal conductance and carboxylation efficiency under suboptimal conditions.
Intervention effect ALA increased apparent quantum yield, actual PSII efficiency and photochemical quenching under suboptimal conditions.
Intervention effect ALA increased antenna transformation efficiency and RuBPCase and FDPase activities under suboptimal conditions.
Intervention effect ALA decreased intercellular CO2 concentration and light and CO2 compensation points under suboptimal conditions.
Mechanism Authors inferred nonstomatal limitation was the main cause of decreased photosynthetic rate under suboptimal conditions.
Mechanism Authors interpreted ALA as alleviating adverse suboptimal-condition effects on seedling photosynthesis.

“yield decrease”

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