Abstract
The objective of this study was to determine whether leaf color change in rice plants predicts ammonia (NH 3 ) volatilization during the late grain-filling period. In a pot study of indica and indica–japonica hybrid cultivars, the leaf color-changing rate was highly significantly positively correlated with NH 3 volatilization during the grain-filling stage. Cultivars with fast leaf color-changing had higher NH 3 volatilization loss due to their higher apoplastic NH 4 + concentration and NH 3 compensation point, along with lower glutamine synthetase (GS) activity. N application, although it delayed leaf color change, led to increased NH 3 volatilization. Selecting cultivars with slow leaf color-changing characteristics and managing fertilization to delay the leaf color change process could reduce N gas loss and increase N use efficiency
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Claims 6
Claim · model-written summary
In a pot study of indica and indica-japonica hybrid rice cultivars, the leaf color-changing rate was highly significantly positively correlated with NH3 volatilization during grain filling.
- Taxon
- rice
Oryza sativat0 - Material
- indica and indica–japonica hybrid cultivarse0
- Outcome
- NH 3 volatilizatione0
- Direction
- positively correlatede0
- Qualifier
- leaf color-changing ratee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“In a pot study of indica and indica–japonica hybrid cultivars, the leaf color-changing rate was highly significantly positively correlated with NH 3 volatilization during the grain-filling stage”
Claim · model-written summary
Rice cultivars with fast leaf color-changing had higher NH3 volatilization loss.
- Taxon
- riceOryza sativat0
- Material
- Cultivars with fast leaf color-changinge0
- Outcome
- NH 3 volatilization losse0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“Cultivars with fast leaf color-changing had higher NH 3 volatilization loss due to their higher apoplastic NH 4 + concentration and NH 3 compensation point, along with lower glutamine synthetase (GS) activity”
Claim · model-written summary
The higher NH3 volatilization loss of fast leaf color-changing rice cultivars is attributed to higher apoplastic NH4+ concentration and NH3 compensation point together with lower glutamine synthetase activity.
- Taxon
- riceOryza sativat0
- Gene
- glutamine synthetase (GS)e0
- Compound
- apoplastic NH 4 +e0
- Outcome
- NH 3 volatilization losse0
- Qualifier
- higher apoplastic NH 4 + concentration and NH 3 compensation point, along with lower glutamine synthetase (GS) activitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“Cultivars with fast leaf color-changing had higher NH 3 volatilization loss due to their higher apoplastic NH 4 + concentration and NH 3 compensation point, along with lower glutamine synthetase (GS) activity”
Claim · model-written summary
N application delayed leaf color change in rice.
- Taxon
- riceOryza sativat0
- Treatment
- N applicatione0
- Outcome
- leaf color changee0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“N application, although it delayed leaf color change, led to increased NH 3 volatilization”
Claim · model-written summary
N application increased NH3 volatilization in rice.
- Taxon
- riceOryza sativat0
- Treatment
- N applicatione0
- Outcome
- NH 3 volatilizatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“N application, although it delayed leaf color change, led to increased NH 3 volatilization”
Claim · model-written summary
Selecting rice cultivars with slow leaf color-changing and managing fertilization to delay leaf color change could reduce N gas loss and increase N use efficiency.
- Taxon
- riceOryza sativat0
- Outcome
- reduce N gas loss and increase N use efficiencye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“Selecting cultivars with slow leaf color-changing characteristics and managing fertilization to delay the leaf color change process could reduce N gas loss and increase N use efficiency”