Ambiência Agrícola E Estresse Salino Em Mudas

Goes, Geovana Ferreira; Guilherme, José Marcelo da Silva; Sales, Jonnathan Richeds da Silva; Sousa, Geocleber Gomes de

doi:10.7127/rbai.v13n5001125

Cited by 11 publications

(16 citation statements)

References 8 publications

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“…Similar results for seedling height were found by Goes et al (2019) working with okra seedlings and by Costa et al (2015) working with Dipteryx alata Vog.…”

Section: Resultssupporting

confidence: 84%

“…As shown in figure 1A, the leaf area values were statistically higher for the seedlings produced in the black screen. The black screen possibly has a capacity to provide greater thermal comfort when compared to full sun and other screens, causing the plants to have a lower energy expenditure and consequently have a higher growth (Goes et al, 2019). The black screen was statistically better than the others for plant height (Figure 2A).…”

Section: Resultsmentioning

confidence: 99%

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Agricultural ambience and salt stress in production of yellow passion fruit seedlings

Lessa

Sousa²,

Sousa³

et al. 2022

Com. Sci.

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The objective was to evaluate the initial growth and gas exchange of yellow passion fruit seedlings irrigated with saline water under different environments. The experiment was conducted of the University of International Integration of Afro-Brazilian Lusophony, Redenção-CE. The experimental design used was entirely randomized, in factor arrangement 4 x 2, referring to four environments with different shade screens (black screen; whitescreen; red screen; all with 50% shading; and full sun) and the values of electrical conductivity of irrigationwater (0.3 and 3.0 dS m-1), with five repetitions. The following variables were evaluated: number of leaves, plant height, leaf area, photosynthesis, transpiration, stomach conductance, instantaneous water use efficiency, electrical conductivity of the saturation extract and soil pH. The environment with black screen provides greater performance in leaf area, plant height and root length and was more efficient for the production of dry mass of the aerial part and the root of passion fruit seedlings in both irrigation waters. The red screen environment stimulates greater photosynthesis, transpiration, stomach conductance and chlorophyll in passion fruit seedlings irrigated with low salinity water, while the black screen mitigated saline stress for these variables. The full sun environment provided greater instantaneous water use efficiency in passion fruit seedlings for treatment with low salinity water and the black screen environment with high salinity water.

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“…Similar results for seedling height were found by Goes et al (2019) working with okra seedlings and by Costa et al (2015) working with Dipteryx alata Vog.…”

Section: Resultssupporting

confidence: 84%

Section: Resultsmentioning

confidence: 99%

Agricultural ambience and salt stress in production of yellow passion fruit seedlings

Lessa

Sousa²,

Sousa³

et al. 2022

Com. Sci.

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show abstract

“…In agreement with this study, Cavalcante et al ( 2008) irrigated the 'pitaya' crop with high-salinity water and found a smaller cladode diameter in a greenhouse. However, Goes et al (2019), evaluating the influence of saline stress on okra seedlings grown in different environments (structure with 50% shading and full sunlight), did not observe any significant effect for this variable.…”

Section: 0mentioning

confidence: 74%

Effect of saline water and shading on dragon fruit (‘pitaya’) seedling growth

Sousa

Pereira

et al. 2021

Rev. bras. eng. agríc. ambient.

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‘Pitaya’ (Hylocereus undatus) is a fruit-bearing, climbing cactus with great food potential for the semiarid region. This study aimed to evaluate the production of ‘pitaya’ seedlings irrigated with low and high salinity water and grown in different light intensities. The experiment was conducted in a completely randomized design, in a 2 × 2 factorial arrangement, with two electrical conductivities of irrigation water: S1 - 0.3 dS m-1 (low salinity) and S2 - 5.0 dS m-1 (moderate salinity) in two environments: A1 - black net with 50% shading, and A2 - full sun, with ten replicates. The variables evaluated were plant height, main cladode diameter, above-ground biomass, root biomass, total plant biomass, number of secondary cladodes, root length, and length of secondary cladodes. The 50% shading (black net) promoted higher plant height, number of secondary shoots, and root length of the ‘pitaya’ plants. The irrigation with moderate saline water (5.0 dS m-1) reduced the number of secondary cladodes, length of root, and length of secondary cladodes. The ‘pitaya’ seedlings grown under 50% shading (black net) showed greater root dry biomass when irrigated with low-salinity water. Greater values of diameter of the primary cladode, above-ground dry biomass, and total dry biomass were observed under full sunlight and elevated saline stress.

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“…This effect may be related to the smaller amount of macropores provided by the manure and consequently the lower water absorption, resulting in lower seed imbibition. On the other hand, biochar is composed of larger particles with lower degree of compaction, generating greater water absorption and favoring emergence (Lisboa et al, 2018;Goes et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

Production of watermelon seedlings in different substrates under salt stress

Sousa

Lessa

et al. 2023

Rev. bras. eng. agríc. ambient.

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Salt stress affects the production of watermelon (Citrullus lanatus) seedlings. However, substrates with alternative materials in their composition can mitigate the harmful effects on the formation of watermelon seedlings. Thus, the objective of the present study was to evaluate the emergence and production of watermelon seedlings grown in different substrates under salt stress. The research was conducted in an agricultural greenhouse belonging to the Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Ceará, Brazil. The experimental design used was completely randomized in a split-plot scheme. The plots were five levels of electrical conductivity of irrigation water (ECw: 0.5, 1.5, 2.5, 3.5, and 4.5 dS m-1) and the subplots consisted of two formulations of substrates (SB1: sandy soil + sand + bovine manure; and SB2: sandy soil + sand + biochar; both in a 1:1:1 proportion on volume basis), with five repetitions of 25 seeds. The increase in the electrical conductivity of irrigation water from 1.5 dS m-1 reduces the percentage, speed index, and mean speed of emergence and increases the mean time of emergence of the watermelon crop. Substrate formulated with biochar reduces the time and increases the emergence indexes, besides enabling higher growth and biomass accumulation of watermelon seedlings. Salt stress reduces the growth, biomass, and quality of watermelon seedlings, but with less intensity with the addition of biochar.

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Ambiência Agrícola E Estresse Salino Em Mudas

Cited by 11 publications

References 8 publications

Agricultural ambience and salt stress in production of yellow passion fruit seedlings

Agricultural ambience and salt stress in production of yellow passion fruit seedlings

Effect of saline water and shading on dragon fruit (‘pitaya’) seedling growth

Production of watermelon seedlings in different substrates under salt stress

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