Abstract
After classifying the rice plants which grown under several cultural conditions in last few years into the several groups according to the number of spikelets per unit area, the authors studied the percentage of ripened grains from an analytical investigation of the number of spikelets per unit area, obtaining the following results. 1. When the number of spikelets per unit area was extremely small, no definite relation was found between the percentage of ripened grains and any component of the number of spikelets per unit area (i.e. the number of panicles per unit area, that of spikelets per panicle and that of primary and secondary rachis-branches per panicle). 2. The percentage of ripened grains showed a tendency to decrease progressively with an increase in the number of spikelets per unit area, spikelets per panicle and secondary rachis-branches per panicle, while it seemed to increase with an increase in the number of panicles per unit area. 3. When the number of spikelets per unit area was extremely large, the percentage of ripened grains was positively correlated with the number of panicles per unit area and negatively correlated with the number of spikelets per panicle as well as the number of secondary rachis-branches. 4. In case of the number of spikelets per unit area being large, the fact that the percentage of ripened grains decreased with an increase of the number of spikelets per panicle could be explained from the fact that the number of spikelets per panicle increased with a decrease of the amount of carbohydrates stored in sheaths and culms before heading and that of photosynthetic products after heading.
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Claims 9
Claim · model-written summary
When spikelets per unit area were extremely small, no definite relation was found between the percentage of ripened grains of rice and any spikelet component.
- Taxon
- rice
Oryza sativae0 - Treatment
- number of spikelets per unit areae1
- Outcome
- percentage of ripened grainse1
- Direction
- no definite relatione1
- Qualifier
- extremely smalle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e1“When the number of spikelets per unit area was extremely small, no definite relation was found between the percentage of ripened grains and any component of the number of spikelets per unit area”
Claim · model-written summary
The percentage of ripened grains tended to decrease as spikelets per unit area increased.
- Taxon
- riceOryza sativae0
- Treatment
- number of spikelets per unit areae2
- Outcome
- percentage of ripened grainse2
- Direction
- decreasee2
- Qualifier
- a tendencye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e2“The percentage of ripened grains showed a tendency to decrease progressively with an increase in the number of spikelets per unit area, spikelets per panicle and secondary rachis-branches per panicle”
Claim · model-written summary
The percentage of ripened grains tended to decrease as spikelets per panicle increased.
- Taxon
- riceOryza sativae0
- Treatment
- spikelets per paniclee2
- Outcome
- percentage of ripened grainse2
- Direction
- decreasee2
- Qualifier
- a tendencye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e2“The percentage of ripened grains showed a tendency to decrease progressively with an increase in the number of spikelets per unit area, spikelets per panicle and secondary rachis-branches per panicle”
Claim · model-written summary
The percentage of ripened grains tended to decrease as secondary rachis-branches per panicle increased.
- Taxon
- riceOryza sativae0
- Treatment
- secondary rachis-branches per paniclee2
- Outcome
- percentage of ripened grainse2
- Direction
- decreasee2
- Qualifier
- a tendencye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e2“The percentage of ripened grains showed a tendency to decrease progressively with an increase in the number of spikelets per unit area, spikelets per panicle and secondary rachis-branches per panicle”
Claim · model-written summary
The percentage of ripened grains seemed to increase as panicles per unit area increased.
- Taxon
- riceOryza sativae0
- Treatment
- number of panicles per unit areae3
- Outcome
- percentage of ripened grainse2
- Direction
- increasee3
- Qualifier
- seemede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e2“The percentage of ripened grains showed a tendency to decrease progressively with an increase in the number of spikelets per unit area, spikelets per panicle and secondary rachis-branches per panicle”
e3“while it seemed to increase with an increase in the number of panicles per unit area”
Claim · model-written summary
When spikelets per unit area were extremely large, the percentage of ripened grains was positively correlated with panicles per unit area.
- Taxon
- riceOryza sativae0
- Treatment
- number of panicles per unit areae4
- Outcome
- percentage of ripened grainse4
- Direction
- positively correlatede4
- Qualifier
- extremely largee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e4“When the number of spikelets per unit area was extremely large, the percentage of ripened grains was positively correlated with the number of panicles per unit area”
Claim · model-written summary
When spikelets per unit area were extremely large, the percentage of ripened grains was negatively correlated with spikelets per panicle.
- Taxon
- riceOryza sativae0
- Treatment
- number of spikelets per paniclee6
- Outcome
- percentage of ripened grainse4
- Direction
- negatively correlatede6
- Qualifier
- extremely largee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e4“When the number of spikelets per unit area was extremely large, the percentage of ripened grains was positively correlated with the number of panicles per unit area”
e6“negatively correlated with the number of spikelets per panicle as well as the number of secondary rachis-branches”
Claim · model-written summary
When spikelets per unit area were extremely large, the percentage of ripened grains was negatively correlated with secondary rachis-branches.
- Taxon
- riceOryza sativae0
- Treatment
- number of secondary rachis-branchese6
- Outcome
- percentage of ripened grainse4
- Direction
- negatively correlatede6
- Qualifier
- extremely largee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e4“When the number of spikelets per unit area was extremely large, the percentage of ripened grains was positively correlated with the number of panicles per unit area”
e6“negatively correlated with the number of spikelets per panicle as well as the number of secondary rachis-branches”
Claim · model-written summary
The decrease of ripened-grain percentage with more spikelets per panicle is explained by lower carbohydrate storage in sheaths and culms before heading and lower photosynthetic products after heading.
- Taxon
- riceOryza sativae0
- Organ / stage
- sheaths and culms before headinge6
- Compound
- carbohydratese6
- Outcome
- percentage of ripened grainse6
- Qualifier
- In case of the number of spikelets per unit area being largee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“classifying the rice plants which grown under several cultural conditions”
e6“the percentage of ripened grains decreased with an increase of the number of spikelets per panicle could be explained from the fact that the number of spikelets per panicle increased with a decrease of the amount of carbohydrates stored in sheaths and culms before heading and that of photosynthetic products after heading”
e7“In case of the number of spikelets per unit area being large”