Abstract
For understanding the mechanism of photoperiodic sensitive male sterility in rice (Oryza sativa L.). The authors have studied the day length effects on the rice panicle development after the initiation of the secondary branch primordia (SBP). It was found that the long day illumination after the initiation of SBP not only delayed heading, but also affected the panicle morphology of late japonica rice lines. These effects were not seen in the early indica rice lines. The similarity of the day length effects after SBP and before the panicle initiation, as well as the synchronization between the above mentioned effects and the one caused male sterility of PGMR, supported the hypothesis that the photoperiodic sensitive male sterility in PGMR is consequent upon the failure of male organ development response to the long day stress by the mutation.
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Claims 4
Claim · model-written summary
Long days after SBP initiation delayed heading in late japonica rice.
- Taxon
- rice
Oryza sativat0 - Material
- late japonica rice linese0
- Treatment
- long day illumination after the initiation of SBPe0
- Outcome
- headinge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was found that the long day illumination after the initiation of SBP not only delayed heading, but also affected the panicle morphology of late japonica rice lines.”
t0“Comparison of Photoperiodic Effects of Panicle Development After Panicle Initiation Between Late Japonica and Early Indica Photoperiod sensitive Genic Male sterile Rice”
Claim · model-written summary
Long days after SBP initiation affected late japonica panicle morphology.
- Taxon
- riceOryza sativat0
- Material
- late japonica rice linese0
- Treatment
- long day illumination after the initiation of SBPe0
- Outcome
- panicle morphologye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was found that the long day illumination after the initiation of SBP not only delayed heading, but also affected the panicle morphology of late japonica rice lines.”
t0“Comparison of Photoperiodic Effects of Panicle Development After Panicle Initiation Between Late Japonica and Early Indica Photoperiod sensitive Genic Male sterile Rice”
Claim · model-written summary
Early indica lines did not show the long-day heading and panicle effects.
- Taxon
- riceOryza sativat0
- Material
- early indica rice linese0
- Outcome
- These effects were not seene0
- Direction
- not seene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These effects were not seen in the early indica rice lines.”
t0“Comparison of Photoperiodic Effects of Panicle Development After Panicle Initiation Between Late Japonica and Early Indica Photoperiod sensitive Genic Male sterile Rice”
Claim · model-written summary
The authors hypothesize that PGMR sterility follows failure of male organ development under long-day stress.
- Taxon
- riceOryza sativat0
- Outcome
- photoperiodic sensitive male sterility in PGMRe0
- Qualifier
- failure of male organ development response to the long day stress by the mutatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The similarity of the day length effects after SBP and before the panicle initiation, as well as the synchronization between the above mentioned effects and the one caused male sterility of PGMR, supported the hypothesis that the photoperiodic sensitive male sterility in PGMR is consequent upon the failure of male organ development response to the long day stress by the mutation.”
t0“Comparison of Photoperiodic Effects of Panicle Development After Panicle Initiation Between Late Japonica and Early Indica Photoperiod sensitive Genic Male sterile Rice”
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