Abstract
Variation in light intensity, air temperature and relative air humidity leads to diurnal variations of photosynthetic rate and leaf relative water content. In order to determine the diurnal changes in net photosynthetic rate of vine plants and influence of the main environmental factors, gas exchange in the vine leaves were measure using a portable plant CO2 analysis package. The results show that diurnal changes in photosynthetic rate could be interpreted as single-peak curve, with a maximum at noon (10.794 µmol CO2 m-2 s-1). Leaf relative water content has maximum value in the morning; the values may slightly decrease during the day (day of June, with normal temperature, no rain, no water restriction in soil).
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Claims 3
Claim · model-written summary
Photosynthetic rate had a single peak at noon of 10.794 µmol CO2 m-2 s-1.
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“diurnal changes in photosynthetic rate could be interpreted as single-peak curve, with a maximum at noon (10.794 µmol CO2 m-2 s-1).”
t0“GRAPEVINE”
Claim · model-written summary
Leaf relative water content peaked in the morning.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf relative water content has maximum value in the morning”
t0“GRAPEVINE”
Claim · model-written summary
Leaf relative water content may slightly decline through the day.
- Outcome
- Leaf relative water contente0
- Direction
- decreasee0
- Qualifier
- day of June, with normal temperature, no rain, no water restriction in soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf relative water content has maximum value in the morning; the values may slightly decrease during the day (day of June, with normal temperature, no rain, no water restriction in soil).”
t0“GRAPEVINE”