iii.limiting factors in plant growth light temperature carbon dioxide
DESCRIPTION
Photosynthesis Temperature, CO 2, Light Intensity Fig 1. Fig 3. Fig 2.TRANSCRIPT
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III. LIMITING FACTORS INPLANT GROWTH
Light
Temperature Carbon Dioxide
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6CO2 + 12H2O + Light energy+ Heat (temperature)
C6H12O6 + 6 O2 + 6 H2O
Photosynthesis
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PhotosynthesisTemperature, CO2, Light Intensity
Light intensity increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Temperature &Carbon dioxide constant
Temperature increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Light intensity &Carbon dioxide constant
Carbon dioxide increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Temperature & Light intensity constant
Fig 1.
Fig 3.
Fig 2.
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CarbohydrateLight, Temperature, CO2
Carbon dioxide increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Temperatureconstant
Low light intensity
Medium light intensity
High light intensity
Light intensity increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Temp 70 & 85; CO2 340 ppm
Temp 70; CO2 1300 ppm
Temp 85; CO2 1300 ppm
Fig 4. Fig 5.
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Respiration
C6H12O6 + O2
CO2 + H2O + ATP
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Respiration & Photosynthesis
Temperature increase
Car
bohy
drat
e m
etab
oliz
ed
RespirationFig 6.
Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
Photosynthesis
Respiration
Compensationpoint
Apparentphotosynthesis
Light intentsity
Car
bohy
drat
e pr
oduc
ed
or m
etab
oliz
ed
Photosynthesis
Respiration
Constanttemperature
Light saturationpoint
Light compenationpoint
Fig 7.
Fig 8.
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Compensation Point
Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
Photosynthesis
Respiration
Compensationpoint
Apparentphotosynthesis
Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
Photosynthesis
Respiration
Compensationpoints
High light
Low light
Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
Photosynthesis
Respiration
Compensationpoints
Top leaf
Middle leaf
Bottom leaf
Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
Photosynthesis
Respiration
Compensationpoints
High CO2
Low CO2
Fig 8. Fig 9.
Fig 11.Fig 10.
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Light intensity increase
Car
bohy
drat
e pr
oduc
edPhotosynthesis
Temperature &Carbon dioxide constant
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Carbon dioxide increase
Car
bohy
drat
e pr
oduc
edPhotosynthesis
Temperature & Light intensity constant
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Temperature increase
Car
bohy
drat
e pr
oduc
edPhotosynthesis
Light intensity &Carbon dioxide constant
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Carbon dioxide increase
Car
bohy
drat
e pr
oduc
edPhotosynthesis
Temperature constant
Low light intensity
Medium light intensity
High light intensity
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Light intensity increase
Car
bohy
drat
e pr
oduc
ed
Photosynthesis
Temp 70 & 85; CO2 340 ppm
Temp 70; CO2 1300 ppm
Temp 85; CO2 1300 ppm
A B C
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Temperature increase
Car
bohy
drat
e m
etab
oliz
ed
Respiration
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Light intentsity
Car
bohy
drat
e pr
oduc
ed
or m
etab
oliz
edPhotosynthesis
Respiration
Constanttemperature
Light saturationpoint
Light compenationpoint
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Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
dPhotosynthesis
Respiration
Compensationpoint
Apparentphotosynthesis
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Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
dPhotosynthesis
Respiration
Compensationpoints
Top leaf
Middle leaf
Bottom leaf
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Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
dPhotosynthesis
Respiration
Compensationpoints
High light
Low light
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Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
dPhotosynthesis
Respiration
Compensationpoints
High CO2
Low CO2
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Temperature increase
Car
bohy
drat
e m
etab
oliz
edor
pro
duce
d
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Light intensity increase
Car
bohy
drat
e pr
oduc
edPhotosynthesis
Temp 70 & 85; CO2 340 ppm
Temp 70; CO2 1300 ppm
Temp 85; CO2 1300 ppm
A
B
C
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III. LIMITING FACTORS INPLANT GROWTH
A. Compensation Point1. Low light vs. high light2. Low CO2 vs. high CO23. Sunny day vs. cloudy day4. Summer vs. winter
B. Light Intensity vs. TemperatureC. Light vs. Carbon DioxideD. Light vs. Temperature vs.
– Carbon Dioxide