Abstract
Summary Chilling‐induced photosynthetic impairment was examined in leaves of maize (Zea mays L.) seedlings of two cultivars, one adapted to western Europe and one adapted to Mexican highlands. Three experiments were performed in a controlled environment. The effects of chilling night temperatures, of chilling at high light intensity and of variable chilling day temperatures on photosynthetic parameters, were evaluated. Chilling in the dark period resulted in stomatal limitation of net photosynthesis. Chilling at moderate to high light intensities caused chilling‐dependent photoinhibition of CO 2 uptake. Photobleached maize leaves did not resume normal photosynthetic function. Maize cv. Batan 8686 from the highlands of Mexico was less susceptible to photosynthetic damage than maize cv. Bastion adapted for cultivation in W. Europe, when exposed to chilling night temperatures, or to mild chilling photoinhibitory conditions.
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Claims 4
Claim · model-written summary
Night chilling caused stomatal limitation of net photosynthesis.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chilling in the dark period resulted in stomatal limitation of net photosynthesis.”
t0“maize (Zea mays)”
Claim · model-written summary
Chilling under moderate to high light caused photoinhibition of CO2 uptake.
- Treatment
- Chilling at moderate to high light intensitiese0
- Outcome
- chilling‐dependent photoinhibition of CO 2 uptakee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chilling at moderate to high light intensities caused chilling‐dependent photoinhibition of CO 2 uptake.”
t0“maize (Zea mays)”
Claim · model-written summary
Photobleached leaves failed to recover normal photosynthesis.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photobleached maize leaves did not resume normal photosynthetic function.”
Claim · model-written summary
Batan 8686 had less photosynthetic damage than Bastion under night chilling or mild photoinhibitory chilling.
- Material
- Batan 8686e0
- Treatment
- chilling night temperatures, or to mild chilling photoinhibitory conditionse0
- Outcome
- photosynthetic damagee0
- Direction
- less susceptiblee0
- Comparator
- Bastione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize cv. Batan 8686 from the highlands of Mexico was less susceptible to photosynthetic damage than maize cv. Bastion adapted for cultivation in W. Europe, when exposed to chilling night temperatures, or to mild chilling photoinhibitory conditions.”
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