Interaction of Light Intensity and CO2 Concentration Alters Biomass Partitioning in Chrysanthemum
27 nov. 2021
À propos de cet article
Publié en ligne: 27 nov. 2021
Pages: 45 - 56
Reçu: 01 déc. 2020
Accepté: 01 juin 2021
DOI: https://doi.org/10.2478/johr-2021-0015
Mots clés
© 2021 Maral Hosseinzadeh et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
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![Root system of chrysanthemum affected by light intensity and CO2 concentration. The plants were exposed to different concentrations of CO2 [400 ppm as ambient CO2 (a[CO2]) and 1,000 ppm as elevated CO2 (e[CO2])] and light intensities (75, 150, 300, and 600 μmol·m−2·s−1 PPFD)Note: See Figure 1](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64722564215d2f6c89dbd6cb/j_johr-2021-0015_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T222625Z&X-Amz-Expires=3600&X-Amz-Signature=3e74cb0face7651b6bc0598d26c88f5fe78c4a0161a72403f1df47378a24616a&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
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![Interaction effect of light intensity and concentration of CO2 on the flowering of chrysanthemum. Plants were exposed to different concentrations of CO2 [400 ppm as ambient CO2 (a[CO2]) and 1,000 ppm as elevated CO2 (e[CO2])] and light intensities (75, 150, 300, and 600 μmol·m−2·s−1 PPFD)Note: See Figure 1](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64722564215d2f6c89dbd6cb/j_johr-2021-0015_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T222625Z&X-Amz-Expires=3600&X-Amz-Signature=85cafaa5661ce494be75528de1ff2473fa1eb6d37982b56d07b1323614df28c1&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
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![Diminishing effect of elevated CO2 (calculated as reduction in biomass accumulation in plants under e[CO2] compared to a[CO2]) on total biomass of chrysanthemum plants grown under different light intensities](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64722564215d2f6c89dbd6cb/j_johr-2021-0015_fig_005.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T222625Z&X-Amz-Expires=3600&X-Amz-Signature=34197f98e07b7c4f74083051ec47c5b95e849e0264fd1a087a62ebaad7a5c8b6&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
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![Allocation of biomass (DW) to different organs in response to CO2 concentrations and light intensities. Plants were exposed to different concentrations of CO2 [400 ppm as ambient CO2 (a[CO2]) and 1,000 ppm as elevated CO2 (e[CO2])] and light intensities (75, 150, 300, and 600 μmol·m−2·s−1 PPFD)Note: See Figure 1](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64722564215d2f6c89dbd6cb/j_johr-2021-0015_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T222625Z&X-Amz-Expires=3600&X-Amz-Signature=efe0567bd34960d0e9306801f30d7d8c373321a3469e077bdfe03154fb7e13a6&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
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