Lantana flowering at an indoor active living wall in a light-restricted environment

Degaspari, Camilla Grande; Demétrio, Christian Aparecido; Jacob, Jessica Fernanda de Oliveira; Ambrosano, Guilherme Bovi; Rodrigues, Paulo Hercílio Viegas

doi:10.1590/0103-8478cr20220493

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BIOLOGY • Cienc. Rural 53 (11) • 2023 • https://doi.org/10.1590/0103-8478cr20220493 copy

Lantana flowering at an indoor active living wall in a light-restricted environment

Florescimento de Lantana em jardim vertical indoor em ambiente com restrição de luz

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT:

The time spent by urban residents indoors has been increasing annually, thus, prioritizing the enhancement of indoor spaces into green spaces to improve the quality of life. Even with limited environmental conditions indoors, an active living wall and LED light techniques have enabled us to explore indoor green environments. In the present study, the yellow/orange-colored flowers invasive ornamental species,Lantana camara‘splendens’, was cultivated in 4.0 m² of the active living wall under a non-decorative LED lamp, adjusted to optimize performance in the coverage area. This study evaluated the development of lantana in the active living wall under different light intensities (135 watts and 90 watts) in a room with light restriction. Parameters such as plant height, flowering, SPAD chlorophyll content, and vegetative cover were analyzed. The results indicated that Lantana camara ‘splendens’ is suitable for use in active living walls and blooms at a low light intensity when the light is uniformly applied.

Key words:
flower culture; plasticity; ornamental; good health; Lantana camara L

Authorship

Camilla Grande Degaspari

Laboratório de Cultura de Tecidos de Plantas Ornamentais, Departamento de Produção Vegetal, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo (USP), 13418-900, São Paulo, SP, Brasil. Universidade de São Paulo (USP)BrazilSão Paulo, SP, BrazilLaboratório de Cultura de Tecidos de Plantas Ornamentais, Departamento de Produção Vegetal, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo (USP), 13418-900, São Paulo, SP, Brasil.

https://orcid.org/0000-0002-9130-6704

Christian Aparecido Demétrio

https://orcid.org/0000-0001-5156-8964

Jessica Fernanda de Oliveira Jacob

https://orcid.org/0000-0001-5115-0891

Guilherme Bovi Ambrosano

https://orcid.org/0000-0001-8707-5256

Paulo Hercílio Viegas Rodrigues ^*E-mail: phrviegas@usp.br. *Corresponding author

https://orcid.org/0000-0001-7099-0087

E-mail: phrviegas@usp.br. ^*Corresponding author

Editors: Alessandro Dal’Col Lúcio (0000-0003-0761-4200) Leandro Souza da Silva (0000-0002-1636-6643)

DECLARATION OF CONFLICT OF INTEREST

The authors declare no conflict of interest. The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.

AUTHORS’ CONTRIBUTIONS

All authors contributed equally to the conception and writing of the manuscript. All authors critically revised the manuscript and approved the final version.

SCIMAGO INSTITUTIONS RANKINGS

Figures | Tables

Figures (1)
Tables (1)

Thumbnail

Figure 1
Led lamps used in the study and their characteristics- Graphs courtesy ONNO^® (A, B, and C); Layout of the experiment - Front view (D) and Elevation view (E); Light intensity - µmol m⁻² s^-1 - in different locations of ALW - W135 (F) and W90 (G).

Thumbnail

Table 1
Mean ± standard error of height (cm), number of flowers, chlorophyll a, chlorophyll b, total chlorophyll, and green cover (%) in cultivation at lantana living wall, under LED light of 90 W and 135 W of power, after six evaluations.

Figure 1 Led lamps used in the study and their characteristics- Graphs courtesy ONNO^® (A, B, and C); Layout of the experiment - Front view (D) and Elevation view (E); Light intensity - µmol m⁻² s^-1 - in different locations of ALW - W135 (F) and W90 (G).

Table 1 Mean ± standard error of height (cm), number of flowers, chlorophyll a, chlorophyll b, total chlorophyll, and green cover (%) in cultivation at lantana living wall, under LED light of 90 W and 135 W of power, after six evaluations.

Light source	-------------------------------------------------------Evaluation------------------------------------------------------				Average across evaluations
	1	2	3	4	5	6
-----------------------------------------------------------------------------Height--------------------------------------------------------------------------------
90 W	9.00 ± 0.37	12.50 ± 0.56	18.67 ± 0.77	22.97 ± 1.32	23.83 ± 1.17	24.72 ± 1.37	18.62 ± 0.70 a
135 W	9.61 ± 0.40	13.44 ± 0.70	18.44 ± 0.76	24.31 ± 1.13	25.67 ± 1.19	25.97 ± 1.39	19.57 ± 0.73 a
Average	9.31 ± 0.27 D	12.97 ± 0.45 C	18.56 ± 0.54 B	23.64 ± 0.86 A	24.75 ± 0.84 A	25.35 ± 0.97 A
p-values	0.3748 (light source); <0.0001 (evaluation); 0.5041 (interaction)
--------------------------------------------------------------------Number of flowers---------------------------------------------------------------------------
90 W	0.06 ± 0.06 Ca	1.44 ± 0.27 Ba	0.89 ± 0.28 Bb	3.61 ± 0.52 Aa	3.94 ± 0.55 Ab	3.72 ± 0.51 Aa	2.28 ± 0.22
135 W	0.11 ± 0.11 Ba	3.06 ± 0.48 Aa	2.72 ± 0.56 Aa	3.78 ± 0.45 Aa	4.44 ± 0.35 Aa	4.44 ± 0.35 Aa	3.10 ± 0.22
Average	0.08 ± 0.06	2.25 ± 0.30	1.81 ± 0.35	3.69 ± 0.34	4.19 ± 0.32	4.08 ± 0.31
p-values	0.0354 (light source); <0.0001 (evaluation); 0.0073 (interaction)
-------------------------------------------------------------------------Chlorophyll a----------------------------------------------------------------------------
90 W	289.47 ± 8.45	352.28 ± 9.46	376.92 ± 4.57	386.67 ± 2.38	407.08 ± 4.91	392.44 ± 4.67	367.48 ± 4.49 b
135 W	299.94 ± 8.86	377.92 ± 5.73	396.92 ± 5.43	398.33 ± 5.51	422.53 ± 4.42	407.89 ± 7.60	383;92 ± 4.63 a
Average	294.71 ± 6.10 D	365.10 ± 5.87 C	386.92 ± 3.88 B	392.50 ± 3.12 B	414.81 ± 3.51 A	400.17 ± 4.58 AB
p-values	0.0114 (light source); <0.0001 (evaluation); 0.7765 (interaction)
------------------------------------------------------------------------Chlorophyll b-----------------------------------------------------------------------------
90 W	61.47 ± 3.06	81.72 ± 3.54	97.61 ± 3.28	108.33 ± 1.88	113.83 ± 2.97	117.14 ± 3.66	96.69 ± 2.27 b
135 W	61.06 ± 2.60	89.19 ± 3.09	107.44 ± 4.31	120.61 ± 5.09	130.47 ± 5.26	140.67 ± 10.38	108.24 ± 3.45 a
Average	61.26 ± 1.98 E	85.46 ± 2.40 D	102.53 ± 2.80 C	114.47 ± 2.87 BC	122.15 ± 3.29 A	128.90 ± 5.78 AB
p-values	0.0376 (light source); <0.0001 (evaluation); 0.6213 (interaction)
----------------------------------------------------------------------Total Chlorophyll--------------------------------------------------------------------------
90 W	350.14 ± 11.61	433.94 ± 13.21	473.22 ± 7.83	494.42 ± 4.15	521.58 ± 7.56	509.67 ± 8.64	463.83 ± 6.73 b
135 W	361.42 ± 11.39	467.64 ± 8.60	503.28 ± 10.32	518.47 ± 10.80	553.72 ± 8.85	549.33 ± 17.19	492.31 ± 7.81 a
Average	355.78 ± 8.07 E	450.79 ± 8.27 D	488.25 ± 6.87 C	506.44 ± 6.05 BC	537.65 ± 6.35 A	529.50 ± 10.06 AB
p-values	0.0201 (light source); <0.0001 (evaluation); 0.9146 (interaction)
-----------------------------------------------------------------------Green Cover (%)--------------------------------------------------------------------------
90 W	34.50	61.80	76.48	87.80	90.57	93.82
135 W	40.73	71.21	84.87	92.84	93.32	98.09

Uppercase letters compare different evaluations in time with the same light source, whereas lowercase letters compare different light sources in the same evaluation. Different letters indicate significant differences (P < 0.05).

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Lantana flowering at an indoor active living wall in a light-restricted environment

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[1] E-mail: phrviegas@usp.br. ^*Corresponding author