Claim · model-written summary
In sunlight phyA seedlings did not respond to early warning signals from neighbors.
- Taxon
- Arabidopsis
Arabidopsise0 - Material
- phyA seedlingse0
- Outcome
- no response to the "early warning" signals of neighboring vegetatione0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“In sunlight, phyA seedlings of Arabidopsis showed no response to the "early warning" signals of neighboring vegetation”
Title
J. J. Casal PLANT PHYSIOLOGY 1996. doi:10.1104/pp.112.3.965
Other claims from this paper (8)
- Intervention effect Delayed far-red pulses promoted less hypocotyl growth than end-of-day pulses.
- Intervention effect Interposed white light minus blue maintained wild-type seedling responsivity.
- Observation The interposed light failed to maintain responsivity in the phyA mutant.
- Intervention effect Hourly R+FR pulses promoted more stem growth than one end-of-day pulse in wild-type Arabidopsis and five other named plants.
- Observation Wild-type Arabidopsis responded to high end-of-day R/FR ratios.
- Observation The phyA mutant required stronger reductions in end-of-day R/FR ratio.
- Association Hypocotyl growth promotion in phyA seedlings required higher density than wild type.
- Mechanism Phytochrome A is proposed to enhance the growth response to reduced phytochrome B activity.