Abstract
The influence of temperature and light on fertilization, grain-filling, dry matter production and partitioning of rice in different stages from heading to maturity under pot test condition was studies in 2000,2001 and 2002 The result indicated that,①the grain yield of single tiller was not significantly decreased when the light intensity was lowered to 70% of natural light intensity, but it was significantly decreased due to the empty and unfilled grain that led to the decrease of the ripened grain rate when the light intensity was lowered to 50% of natural light intensity The low right intensity did not significantly affect the 1000 grain weight ②The grain viele of single tiller and ripened grain rate were both decrease under temperature higher than 36℃, and 1000 grain weight was obviously lowered except in the flowering stage ③The rate and quantity of dry matter assimilation were decreased under low light intensity and high temperature on But the rate of dry matter partitioning of the ear was increased under low light intensity, and decreased high under temperature condition Inaddition , the transfer rate or nutrients in the stem and sheath was lowered under low light intensity condition in the heading and flowering stage,but was increased in the other two stage High temperature in dough stage increased the rate of transfer, decreased the rate of transfer, in the other two stage
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Claims 11
Claim · model-written summary
At 70% natural light, single-tiller rice grain yield was not significantly decreased.
- Taxon
- Rice
Oryza sativat0 - Treatment
- 70% of natural light intensitye0
- Outcome
- grain yield of single tillere0
- Direction
- not significantly decreasede0
- Comparator
- natural light intensitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the grain yield of single tiller was not significantly decreased when the light intensity was lowered to 70% of natural light intensity”
t0“Rice”
Claim · model-written summary
At 50% natural light, single-tiller rice grain yield decreased significantly.
- Taxon
- RiceOryza sativat0
- Treatment
- 50% of natural light intensitye0
- Outcome
- Grain fillingt0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it was significantly decreased due to the empty and unfilled grain that led to the decrease of the ripened grain rate when the light intensity was lowered to 50% of natural light intensity”
t0“Grain filling, Dry Matter Production of Rice”
Claim · model-written summary
At 50% natural light, rice ripened grain rate decreased.
- Taxon
- RiceOryza sativat0
- Treatment
- 50% of natural light intensitye0
- Outcome
- ripened grain ratee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the decrease of the ripened grain rate when the light intensity was lowered to 50% of natural light intensity”
t0“Rice”
Claim · model-written summary
Low light did not significantly affect rice 1000 grain weight.
- Taxon
- RiceOryza sativat0
- Treatment
- low right intensitye0
- Outcome
- 1000 grain weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The low right intensity did not significantly affect the 1000 grain weight”
t0“Rice”
Claim · model-written summary
Temperature above 36℃ decreased rice single-tiller grain yield and ripened grain rate.
- Taxon
- RiceOryza sativat0
- Treatment
- temperature higher than 36℃e0
- Outcome
- grain viele of single tiller and ripened grain ratee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain viele of single tiller and ripened grain rate were both decrease under temperature higher than 36℃”
t0“Rice”
Claim · model-written summary
Above 36℃, rice 1000 grain weight was lowered except at flowering.
- Taxon
- RiceOryza sativat0
- Treatment
- Temperaturet0
- Outcome
- 1000 grain weighte0
- Direction
- lowerede0
- Qualifier
- except in the flowering stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1000 grain weight was obviously lowered except in the flowering stage”
t0“Temperature and Light on Grain filling, Dry Matter Production of Rice”
Claim · model-written summary
Low light and high temperature decreased rice dry matter assimilation rate and quantity.
- Taxon
- RiceOryza sativat0
- Treatment
- low light intensity and high temperaturee0
- Outcome
- rate and quantity of dry matter assimilatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate and quantity of dry matter assimilation were decreased under low light intensity and high temperature”
t0“Rice”
Claim · model-written summary
Low light increased rice ear dry matter partitioning rate.
- Taxon
- RiceOryza sativat0
- Treatment
- low light intensitye0
- Outcome
- rate of dry matter partitioning of the eare0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of dry matter partitioning of the ear was increased under low light intensity”
t0“Rice”
Claim · model-written summary
High temperature decreased rice ear dry matter partitioning rate.
- Taxon
- RiceOryza sativat0
- Treatment
- high under temperature conditione0
- Outcome
- rate of dry matter partitioning of the eare0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of dry matter partitioning of the ear was increased under low light intensity, and decreased high under temperature condition”
t0“Rice”
Claim · model-written summary
Low light lowered rice stem and sheath nutrient transfer rate at heading and flowering.
- Taxon
- RiceOryza sativat0
- Treatment
- low light intensity conditione0
- Outcome
- transfer rate or nutrients in the stem and sheathe0
- Direction
- lowerede0
- Qualifier
- heading and flowering stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the transfer rate or nutrients in the stem and sheath was lowered under low light intensity condition in the heading and flowering stage”
t0“Rice”
Claim · model-written summary
Low light increased rice stem and sheath nutrient transfer rate in two other stages.
- Taxon
- RiceOryza sativat0
- Treatment
- Lightt0
- Outcome
- Dry Matter Productiont0
- Direction
- increasede0
- Qualifier
- other two stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but was increased in the other two stage”
t0“Light on Grain filling, Dry Matter Production of Rice”
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