Seed germination and development of desert rose seedlings (Adenium obesum Roem. &amp; Schult) on different substrates

Santos, Carolina Amorim; Loureiro, Guilherme Amorim Homem de Abreu; Júnior, Gedeon Almeida Gomes; Pereira, Rafaela Alves; Sodré, George Andrade; Barbosa, Rafael Marani

doi:10.1590/0103-8478cr20190691

Cited by 3 publications

(2 citation statements)

References 17 publications

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“…A substrate with high moisture retention capacity, high porosity, and low density eases seedling emergence, especially for species with elongated and rounded seeds, such as the desert rose, allowing better contact with the substrate (ANACLETO & BUENO, 2021). Santos et al (2020), working with the desert rose, reported that sand substrate was more suitable for germinating their seeds.…”

Section: Figurementioning

confidence: 99%

Seed biometry, growth, and seedling development of Adenium obesum (Forssk.) Roem. & Schult. in substrates

Cabral,

Melo,

Melo Junior

et al. 2024

R. G. Secr.

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The desert rose (Adenium obesum (Forssk.) Roem. & Schult.) is a plant that has been widely used for garden ornamentation, holding significant importance in the landscaping and gardening market. Thus, establishing a way to perform biometric analysis and a seedling production system that offers significant utilization of water and available materials for substrate composition in each region is crucial for propagation and the quality of these plants. The objective of this study was to evaluate biometric aspects and investigate the influence of different substrates on the physiological potential of seeds and the initial growth of desert rose seedlings. This study was conducted at the Vitrine do Verde plant store located on Rodovia Dr. Ib Gatto Marinho Falcão, AL 101 south - Barra Nova, Marechal Deodoro – AL (9°43'31.2"S 35°49'46.6"W), with A. obesum seedlings produced from seeds. This study identified crucial points for seedling growth and development, providing information that allowed optimizing the production system with reduced costs. It was observed that among the substrates used, the use of treatment T3 composed of decomposed rice husk (55%) + carbonized rice husk (15%) + topsoil (15%) + peanut shell (15%) is preferable, as it proved to be efficient in the analyzed parameters. However, it is worth noting that further studies are necessary to increase knowledge and facilitate the cultivation of this highly appreciated crop.

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Section: Figurementioning

confidence: 99%

Seed biometry, growth, and seedling development of Adenium obesum (Forssk.) Roem. & Schult. in substrates

Cabral,

Melo,

Melo Junior

et al. 2024

R. G. Secr.

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“…But the most commonly available plants are grown from seed and are very similar to the true species found in nature. Young plants have an inflated trunk, sometimes called the caudex [1][2][3]. From this fattened caudex arise several slender but soft and succulent stems which are sparsely branched in youth.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Seed Germination, Establishment, and Growth of Different Black Adenium (Adenium arabicum) Hybrids under Prayagraj Agro Climatic Conditions

Leo¹,

Fatmi

2022

IJPSS

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The experiment was conducted in the Department of Horticulture, Sam Higginbottom University of Agriculture Technology and Science, Prayagraj, during 2021-2022. The experiment was laid out in Completely Randomized Design (CRD) with 7 hybrids and each hybrid was replicated 3 times. The different hybrids used in the experiment were npy x Golden Crown x Black Hawk, Maung x Red Bracelet, Maung x Black mkmk, Black Hawk, Red Bracelet x Big Flower x Black Hawk, Bb x Black Chadda Petch, Bb(F1) x npy Golden Crown x Black Hawk. The result obtained showed that the hybrid Black Hawk showed significantly better performance in parameters like germination percentage (86 %), seed vigour index (610), seed viability (0.86), germination speed index (1.37), survival percentage (80 %), seedling height, (8.5 cm), no. of leaves per seedlings (12), estimated leaf area (4 sq.cm), stem/caudex diameter (1.56 cm) and taproot length (6.2 cm), which was par with the hybrid npy x Golden Crown x Black Hawk.

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Selection of desert rose accessions with high ornamental potential

Abreu,

Valadares,

Possobom

et al. 2023

Ornam. Hortic.

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Adenium obesum belongs to the Apocynaceae family and is characterized as a succulent shrub with a multitude of botanical and morphological features of ornamental interest. The aim of this study was to evaluate the genetic dissimilarity of 28 accessions of A. obesum using morphological descriptors and multivariate techniques with the aim of pre-selecting the genotypes with the greatest ornamental potential. The distribution of the number of flowers throughout the year showed two flowering peaks in January and September. Twenty-one petal pigmentation patterns were identified, and 50% of the accessions had double-petal arrangement. The Gower’s algorithm and the UPGMA-generated dissimilarity matrix indicated the formation of three groups. While Tocher’s clustering method separated the accessions into eight groups showing greater ability to distinguish the evaluated genotypes. In conclusion, the multivariate analyses applied were effective in accessing the genetic diversity among the 28 accessions evaluated. The accessions ICA001, ICA005, ICA006, ICA018, ICA019, and ICA027 were preselected to compose the germplasm collection due to their high ornamental potential.

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Seed germination and development of desert rose seedlings (Adenium obesum Roem. & Schult) on different substrates

Cited by 3 publications

References 17 publications

Seed biometry, growth, and seedling development of Adenium obesum (Forssk.) Roem. & Schult. in substrates

Seed biometry, growth, and seedling development of Adenium obesum (Forssk.) Roem. & Schult. in substrates

Evaluation of Seed Germination, Establishment, and Growth of Different Black Adenium (Adenium arabicum) Hybrids under Prayagraj Agro Climatic Conditions

Selection of desert rose accessions with high ornamental potential

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