What question did this study set out to answer?

To determine how differences in red/far-red light ratios influence tillering dynamics, plant morphology, and reproductive development in Lolium multiflorum.

October 1, 1985Annals of Botany

Variations in Tiller Dynamics and Morphology in Lolium multiflorum Lam.Vegetative and Reproductive Plants as affected by Differences in Red/Far-Red Irradiation

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To determine how differences in red/far-red light ratios influence tillering dynamics, plant morphology, and reproductive development in Lolium multiflorum.
Grew vegetative and reproductive Lolium multiflorum Lam. plants in a growth room under equal photosynthetically active radiation.
Exposed plants to two light treatments with contrasting red/far-red ratios of 1.62 and 0.84 throughout canopy growth.
Low red/far-red ratio (0.84) reduced tiller production, lengthened the delay between leaf expansion and tiller appearance, and decreased mature bud development compared to the higher ratio (1.62).
Low red/far-red irradiation advanced reproductive timing, increased fertile tiller counts, and lengthened leaf sheaths, blades, and reproductive shoots without altering plant dry weight or light interception.

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Implication

Controlled experiment demonstrates that low red to far-red light reduces tillering in Lolium multiflorum, indicating that light quality regulates plant canopy architecture.

Cite This Study

Casal et al. (1985) studied this question.

synapsesocial.com/papers/6a7d328d1ec2a9317b4255e1 https://doi.org/10.1093/oxfordjournals.aob.a087040

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Implication

Controlled experiment demonstrates that low red to far-red light reduces tillering in Lolium multiflorum, indicating that light quality regulates plant canopy architecture.

Variations in Tiller Dynamics and Morphology in Lolium multiflorum Lam.Vegetative and Reproductive Plants as affected by Differences in Red/Far-Red Irradiation

Key Points

Discussion

Implication

Cite This Study

Variations in Tiller Dynamics and Morphology in Lolium multiflorum Lam.Vegetative and Reproductive Plants as affected by Differences in Red/Far-Red Irradiation

Key Points

Discussion

Implication

Cite This Study

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