Impact of phosphorus and luminosity on the propagation, photochemical reactions and quality of Lippia alba (Mill.) N.E.Br. seedlings

Santos, Cleberton Correia; Franco-Rodrigues, Alejandro; Araujo, Gonzalo Manuel; Scalon, Silvana de Paula Quintão; Vieira, M. do C.

doi:10.17584/rcch.2019v13i2.9023

Cited by 4 publications

(3 citation statements)

References 37 publications

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“…The leaf and root areas were influenced by interactions between factors, with maximum values of 796.64 and 118.83 cm 2 with the addition of 5.32 and 4.21 g CM kg -1 soil, respectively, both under the shaded environment (Figures 2B and C,respectively). Shaded plants tend to increase the number of leaves per unit area, aiming to maximize their ability to intercept light and potentiate photosynthetic activity (Santos et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

“…The leaf area ratio was influenced only by CM doses, with a maximum leaf area ratio of 119.05 cm 2 g -1 with the addition of 3.44 g CM kg -1 soil (Table 3). A higher leaf area ratio indicates a greater capacity for plants to grow and presents a higher proportion of photosynthetically active tissue in the leaf area (Santos et al, 2019); therefore, there is no limitation on leaf metabolism. These results can be attributed to the high chlorophyll index and leaf area observed with the addition of CM to the substrate.…”

Section: Resultsmentioning

confidence: 99%

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Morphophysiology and quality of Alibertia edulis seedlings grown under light contrast and organic residue

Santos

Goelzer

Silva

et al. 2023

Rev. bras. eng. agríc. ambient.

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Organic residue in the substrate and the availability of light influence the production of high-quality seedlings for ex situ cultivation of native forest species. This study aimed to evaluate the effect of doses of chicken manure incorporated in the soil and shading levels on the morphophysiological responses and quality of Alibertia edulis (Rich.) A. Rich seedlings. Five doses of chicken manure (CM) were tested, 0.00, 2.08, 4.16, 6.24, and 8.32 g CM kg-1 soil, under two shade conditions, 0% (full sun) and 50% shading. At 215 days after transplanting, the maximum height obtained for A. edulis was 47.35 cm with 5.64 g CM kg-1 soil under 50% shade. Shaded seedlings had a higher number of leaves. The maximum leaf and root areas were 796.64 and 118.83 cm2 with 5.32 and 4.21 g CM kg-1 soil, respectively, both under 50% shade. Seedlings in 0% shade had lower physiological indices. Shading levels did not affect stomatal limitation, but CM contributed to physiological efficiency. Shoot biomass was higher under 50% shade with higher CM doses. The highest quality indexes occurred with 3.98 and 6.28 g kg-1 CM under 0 and 50% shade, respectively. A. edulis seedlings responded positively to the addition of CM to the soil and presented plasticity under contrasting light conditions. A. edulis seedlings produced under 50% shading with the addition of 6.24 g CM kg-1 soil presented high morphophysiological and seedling quality indicators. The addition of 4.32 g CM kg-1 soil contributed to high seedling quality under full sun conditions.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Morphophysiology and quality of Alibertia edulis seedlings grown under light contrast and organic residue

Santos

Goelzer

Silva

et al. 2023

Rev. bras. eng. agríc. ambient.

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“…5226. Then, branches were collected using pruning shears, from 8 am to 10 am, which bases were placed in a container with water until the time of burial in the substrate, in order to avoid dehydration of the tissue (Santos et al, 2019).…”

Section: Cuttings Types Shading Levels and Experimental Designmentioning

confidence: 99%

How cutting types and shading levels influence the vegetative propagation of Pereskia aculeata?

et al. 2023

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Information from Pereskia aculeata Miller (Cactaceae) responses regarding the portion of the stem cuttings branch parental plants and the shading level need to be investigated in order to establish techniques for their producing seedlings. We aimed was to evaluate the effect of cutting types and shading levels in the production of P. aculeata seedlings. We studied three cutting types, collected from different portions of the stem cuttings branch: herbaceous, semi-hardwood, and hardwood, which were arranged under two shading levels: 0% (full sun) or 50% (shade). The selected parent plants had an adequate and vigorous phytosanitary aspect. After 90 days after the cuttings, the seedlings were evaluated regarding survival, growth indicators, biomass production and partitioning, and allometric indices. Seedlings from hardwood cuttings and produced under 0% shading showed higher survival. The largest number of sprouts occurred in seedlings of semi-hardwood and hardwood cuttings. The highest leaf area values occurred in seedlings of semi-hardwood and hardwood cuttings under 0% shading. Seedlings from hardwood cuttings had higher biomass allocation in the roots under 50% shading. Seedlings of herbaceous and semi-hardwood portion allocated values ≥ 70% of the biomass in the aerial part. Seedlings of species are able to adjust to different shading levels as a plasticity mechanism. For the production of P. aculeata seedlings, the hardwood portion of the stem cuttings branch under full sun cultivation is recommended. In addition, semi-hardwood cuttings grown under 50% shading can also be used for seedlings production.

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Organic residues and Parachlorella microalgae favor the growth and gas exchange of cedar

Santos,

Oliveira,

Ribeiro

et al. 2024

Sci. agric. (Piracicaba, Braz.)

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Impact of phosphorus and luminosity on the propagation, photochemical reactions and quality of Lippia alba (Mill.) N.E.Br. seedlings

Cited by 4 publications

References 37 publications

Morphophysiology and quality of Alibertia edulis seedlings grown under light contrast and organic residue

Morphophysiology and quality of Alibertia edulis seedlings grown under light contrast and organic residue

How cutting types and shading levels influence the vegetative propagation of Pereskia aculeata?

Organic residues and Parachlorella microalgae favor the growth and gas exchange of cedar

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