Abstract
Role of nitrogen in process of kernel ripening of rice plant was studied from the standpoint of effect of nitrogen on formation of glumes, on dry weight production (production of starch and sugars) and on translocation of carbohydrate to the ear. High nitrogen level increases number of glumes formed as well as production of carbohydrate, but rate of increase in the former is greater than the latter. Therefore, in spite of increased yield, seed-setting rate and weight of 1000 kernels are reduced because of insufficent amount of supply of carbohydrate to the individual glumes. However retardation in carbohydrate translocation itself is not recognized.
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Claims 7
Claim · model-written summary
High nitrogen increased the number of rice glumes formed.
- Taxon
- rice
Oryza sativat0 - Organ / stage
- glumese0
- Treatment
- High nitrogen levele0
- Outcome
- number of glumes formede0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High nitrogen level increases number of glumes formed as well as production of carbohydrate, but rate of increase in the former is greater than the latter.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
High nitrogen increased carbohydrate production, less rapidly than glume formation.
- Taxon
- riceOryza sativat0
- Treatment
- High nitrogen levele0
- Outcome
- production of carbohydratee0
- Direction
- increasese0
- Qualifier
- rate of increase in the former is greater than the lattere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High nitrogen level increases number of glumes formed as well as production of carbohydrate, but rate of increase in the former is greater than the latter.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
Yield increased under high nitrogen.
- Taxon
- riceOryza sativat0
- Outcome
- yielde0
- Direction
- increasede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, in spite of increased yield, seed-setting rate and weight of 1000 kernels are reduced because of insufficent amount of supply of carbohydrate to the individual glumes.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
Seed-setting rate decreased under high nitrogen.
- Taxon
- riceOryza sativat0
- Outcome
- seed-setting ratee0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, in spite of increased yield, seed-setting rate and weight of 1000 kernels are reduced because of insufficent amount of supply of carbohydrate to the individual glumes.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
The weight of 1000 kernels decreased under high nitrogen.
- Taxon
- riceOryza sativat0
- Outcome
- weight of 1000 kernelse0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, in spite of increased yield, seed-setting rate and weight of 1000 kernels are reduced because of insufficent amount of supply of carbohydrate to the individual glumes.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
The authors attributed lower seed setting and kernel weight to inadequate carbohydrate supply per glume.
- Taxon
- riceOryza sativat0
- Organ / stage
- individual glumese0
- Outcome
- seed-setting rate and weight of 1000 kernelse0
- Qualifier
- insufficent amount of supply of carbohydrate to the individual glumese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, in spite of increased yield, seed-setting rate and weight of 1000 kernels are reduced because of insufficent amount of supply of carbohydrate to the individual glumes.”
t0“ripening of rice : (I) Role of nitrogen”
Claim · model-written summary
Carbohydrate translocation was not retarded.
- Taxon
- riceOryza sativat0
- Outcome
- carbohydrate translocatione0
- Direction
- not recognizede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However retardation in carbohydrate translocation itself is not recognized.”
t0“ripening of rice : (I) Role of nitrogen”
The same questions in other papers
nitrogen · quality: sugar starch · Oryza sativa (rice)Positive and negative results
39 papers in the same direction as this paper · 16 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- no effect
53 papers more in this group
See all 57 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.