Claim · model-written summary
Short photoperiod reduced grain yield depending on seedling age and exposure duration.
- Taxon
- Rice
Oryza sativat0 - Treatment
- short photoperiode0
- Outcome
- grain yielde0
- Direction
- decreasede0
- Qualifier
- age at which the short photoperiod was administered and the duration of the treatmente0
- Comparator
- controlse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It significantly decreased the grain yield from that of the controls, the decrease depending on the age at which the short photoperiod was administered and the duration of the treatment given at each age.”
t0“Plant Age on Rice”
Title
G. Misra; P. A. Khan Botanical Gazette 1973. doi:10.1086/336686
Other claims from this paper (9)
- Intervention effect An eight-hour photoperiod delayed heading in seven-day-old rice seedlings.
- Intervention effect One or two weeks of short photoperiod caused no response at age 14 days.
- Intervention effect Three weeks of short photoperiod advanced heading by 78 days at age 14 days.
- Observation The variety appears to cross the critical juvenile stage at 14 days.
- Intervention effect One week of short photoperiod delayed ear emergence in 21-day-old seedlings.
- Intervention effect Two or three weeks of short photoperiod advanced flowering at age 21 days.
- Intervention effect Short photoperiod advanced heading in plants aged 28 to 42 days relative to controls.
- Observation Rice at 28 days had maximal ear emergence advancement with the minimum short-photoperiod dose.
- Intervention effect Short photoperiod inhibited tiller and leaf production and reduced height.