Abstract
Experiments were carried out to investigate the photosynthetic activities of sugar beet plants. The results obtained are as follows: Each leaf of sugar beet plants had its own activity and the youngest matured leaf showed the highest activity. Photosynthetic amount per plant growing in the sugar beet plant community increased with enlargement of total leaf area but the amount did not increase at the same rate of enlargement of leaf area, then the ability decreased with reduction of total leaf area at maturing stage. Photosynthetic amount per 100 cm2 (leaf area) became lower in proportion to enlargement of total leaf area and showed the lowest amount at the maximum leaf area. Consequently it may be concluded that the leaves were shaded with each other and the light receiving coefficient became lower at the most flourishing stage.
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Claims 5
Claim · model-written summary
The youngest mature sugar beet leaf had the highest photosynthetic activity.
- Taxon
- sugar beet plants
Beta vulgaris subsp. vulgarise0 - Organ / stage
- youngest matured leafe0
- Outcome
- activitye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Each leaf of sugar beet plants had its own activity and the youngest matured leaf showed the highest activity.”
Claim · model-written summary
Whole-plant photosynthetic amount increased with total leaf area, but less rapidly than leaf area.
- Taxon
- sugar beet plantBeta vulgaris subsp. vulgarise0
- Organ / stage
- total leaf areae0
- Outcome
- Photosynthetic amount per plante0
- Direction
- increasede0
- Qualifier
- did not increase at the same rate of enlargement of leaf areae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photosynthetic amount per plant growing in the sugar beet plant community increased with enlargement of total leaf area but the amount did not increase at the same rate of enlargement of leaf area”
Claim · model-written summary
Photosynthetic ability decreased as leaf area declined at maturity.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Organ / stage
- maturing stagee0
- Outcome
- abilitye0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the ability decreased with reduction of total leaf area at maturing stage”
t0“Sugar Beet Plants”
Claim · model-written summary
Photosynthetic amount per unit leaf area decreased as total leaf area expanded and reached its minimum at maximum leaf area.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Organ / stage
- total leaf areae0
- Outcome
- Photosynthetic amount per 100 cm2 (leaf area)e0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photosynthetic amount per 100 cm2 (leaf area) became lower in proportion to enlargement of total leaf area and showed the lowest amount at the maximum leaf area.”
t0“Sugar Beet Plants”
Claim · model-written summary
The authors attributed reduced light reception at peak canopy growth to mutual leaf shading.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Outcome
- light receiving coefficiente0
- Direction
- lowere0
- Qualifier
- leaves were shaded with each othere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Consequently it may be concluded that the leaves were shaded with each other and the light receiving coefficient became lower at the most flourishing stage.”
t0“Sugar Beet Plants”