Abstract
The effects of various environmental conditions such as temperature and light intensity on the uptake and assimilation of:ammonium and nitrate in 4-week-old Indica and Japonica rice plants were studied using the 11 N tracer technique.Both temperature and light intensity profoundly affected the uptake and assimilation of ammonium and nitrate, and the effects were more apparent in the utilization of nitrate by both Indica and Japonica rice plants.The uptake as well as assimilation of the two forms of nitrogen were greatly inhibited at low temperature and low lidlt intensity.On the other hand, although no significant difference in the effects of environmental conditions on the utilization of ammonium was observed between the Indica and Japonica rice plants, the former were more sensitive than the latter in the utilization of nitrate.At high temperature and high light intensity, the Indica rice plants absorbed, reduced, and assimilated nitrate more effectively than the Japonica, and this effect disappeared when the temperature or light intensity was reduced.
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Claims 6
Claim · model-written summary
Low temperature and light inhibited uptake and assimilation of ammonium and nitrate.
- Taxon
- rice plants
Oryza sativat0 - Treatment
- low temperature and low lidlt intensitye0
- Outcome
- uptake as well as assimilation of the two forms of nitrogene0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The uptake as well as assimilation of the two forms of nitrogen were greatly inhibited at low temperature and low lidlt intensity.”
t0“rice plants”
Claim · model-written summary
Environmental effects were more apparent for nitrate use than ammonium use.
- Taxon
- rice plantsOryza sativae0
- Outcome
- utilization of nitratee0
- Direction
- more apparente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effects were more apparent in the utilization of nitrate by both Indica and Japonica rice plants”
Claim · model-written summary
Indica rice was more sensitive than Japonica rice in nitrate utilization.
Verbatim
e0“the former were more sensitive than the latter in the utilization of nitrate”
e1“between the Indica and Japonica rice plants”
Claim · model-written summary
Indica and Japonica did not differ significantly in environmental effects on ammonium utilization.
Verbatim
e0“no significant difference in the effects of environmental conditions on the utilization of ammonium was observed between the Indica and Japonica rice plants”
Claim · model-written summary
At high temperature and light, Indica absorbed, reduced and assimilated nitrate more effectively than Japonica.
- Taxon
- Indica rice plants
Oryza sativa Indica Groupe0 - Treatment
- high temperature and high light intensitye0
- Outcome
- absorbed, reduced, and assimilated nitratee0
- Direction
- more effectivelye0
- Comparator
- Japonicae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At high temperature and high light intensity, the Indica rice plants absorbed, reduced, and assimilated nitrate more effectively than the Japonica”
Claim · model-written summary
Reducing temperature or light removed the Indica advantage for nitrate use.
- Taxon
- Indica rice plantsOryza sativa Indica Groupe1
- Treatment
- temperature or light intensity was reducede0
- Outcome
- effect disappearede0
- Direction
- disappearede0
- Comparator
- Japonicae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this effect disappeared when the temperature or light intensity was reduced”
e1“the Indica rice plants absorbed, reduced, and assimilated nitrate more effectively than the Japonica”
The same questions in other papers
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6 papers in the same direction as this paper · 8 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- negative
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See all 16 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.