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2013•Ningxia Journal of Agriculture and Forestry Science and TechnologyRequires access

The Photosynthetic Characteristics of Ficus Microcarpa L.F. in Autumn

Cheng Li

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Abstract

The photosynthetic character study of leaves in perennial evergreen arbor Ficus Microcarpa L.F. was determined with the Li-6400 Photosynthetic system.The results showed that the curve of daily of Ficus Microcarpa L.F. net photosynthetic rate was a double-peak curve and there was a clear depression at noon.Its first peak occurred at 10:00a.m, the second one at 15:00p.m. The maximum of photosynthetic rate was 4.72 μmol/(m2·s). Correlation analysis showed that there was positive relation between photosynthetic rate and transpiration rate. There was a negative relation between stomatal conductance and internal CO2 concentration. The light compensation was 85 μmol/(m2·s),its light saturation point was 1 350 μmol/(m2·s). The light compensation and saturation point indicated that Ficus Microcarpa L.F. was a litter shade-resistant plant and it could not bear the glare.

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The photosynthetic character study of leaves in perennial evergreen arbor Ficus Microcarpa L.F. was determined with the Li-6400 Photosynthetic system.The results showed that the curve of daily of Ficus Microcarpa L.F. net photosynthetic rate was a double-peak curve and there was a clear depression at noon.Its first peak occurred at 10:00a.m, the second one at 15:00p.m. The maximum of photosynthetic rate was 4.72 μmol/(m2·s). Correlation analysis showed that there was positive relation between photosynthetic rate and transpiration rate. There was a negative relation between stomatal conductance and internal CO2 concentration. The light compensation was 85 μmol/(m2·s),its light saturation point was 1 350 μmol/(m2·s). The light compensation and saturation point indicated that Ficus Microcarpa L.F. was a litter shade-resistant plant and it could not bear the glare.

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Available abstract

The photosynthetic character study of leaves in perennial evergreen arbor Ficus Microcarpa L.F. was determined with the Li-6400 Photosynthetic system.The results showed that the curve of daily of Ficus Microcarpa L.F. net photosynthetic rate was a double-peak curve and there was a clear depression at noon.Its first peak occurred at 10:00a.m, the second one at 15:00p.m. The maximum of photosynthetic rate was 4.72 μmol/(m2·s). Correlation analysis showed that there was positive relation between photosynthetic rate and transpiration rate. There was a negative relation between stomatal conductance and internal CO2 concentration. The light compensation was 85 μmol/(m2·s),its light saturation point was 1 350 μmol/(m2·s). The light compensation and saturation point indicated that Ficus Microcarpa L.F. was a litter shade-resistant plant and it could not bear the glare.

Key concepts: Photosynthesis, Transpiration, Botany, Horticulture, Evergreen, Stomatal conductance, Biology

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