Aspectos morfoanatômicos e fisiológicos de sementes e plântulas de Amburana cearensis (Fr. All.) A.C. Smith (Leguminosae - Papilionoideae)

Loureiro, Marta Bruno; Teles, Clarissa Abreu Santos; Virgens, Ivana Oliveira; Araújo, Bárbara Rosemar Nascimento de; Fernandez, Luzimar Gonzaga; Castro, Renato Delmondez de

doi:10.1590/s0100-67622013000400011

Cited by 14 publications

(9 citation statements)

References 15 publications

(9 reference statements)

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“…The cotyledons are opposite each other, isophyllous, and fleshy, with an oblong shape, and petiolate, with striation along the petiole ( Figure 3C). They are initially of light gray color (10Y 8/8) and, after that, yellowish green (5GY 7/4), findings similar to those described by Loureiro et al (2013).…”

Section: Resultssupporting

confidence: 73%

Vigor test of (strong) normal intact Amburana cearensis (Allemão) A.C. Smith seedlings

et al. 2020

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The aim of this study was to adapt the vigor test methodology of (strong) normal intact seedlings of Amburana cearensis and evaluate efficiency in physiological classification of seed lots. The study was conducted in two stages: morphological characterization of seedlings and physiological analysis of seed lots. To do so, the following tests were carried out: (strong) normal seedlings, germination, emergence, first count, germination speed index, tetrazolium, length of strong normal seedlings, length and dry mass of seedlings. The experimental design was completely randomized. The Tukey and Kruskal-Wallis tests were used to compare the results, and the correlation between the variables was analyzed by Spearman and Pearson coefficients. The seedlings of A. cearensis are semi-hypogeal phanerocotylar, with development of normal seedlings on the ninth day after sowing. The vigor test of strong normal seedlings, length of strong normal seedlings, dry matter, and tetrazolium led to physiological classification into different vigor levels. The vigor test of (strong) normal seedlings, the length of strong normal seedlings, and tetrazolium (vigor) were effective for vigor classification of A. cearensis seeds.

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Section: Resultssupporting

confidence: 73%

Vigor test of (strong) normal intact Amburana cearensis (Allemão) A.C. Smith seedlings

et al. 2020

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“…), Berg e Myrceugenia gertii Landrum, Haliski (2013), com Casearia decandra Jacq, Loureiro et al (2013), com Amburana cearensis (Fr. All.)…”

Section: Introductionmentioning

confidence: 99%

GERMINAÇÃO E MORFOLOGIA DE SEMENTES E PLÂNTULAS DE Albizia edwallii (Hoehne) Barneby & J. W. Grimes

et al. 2015

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RESUMO -O presente trabalho teve como objetivo caracterizar a morfologia de sementes e plântulas e avaliar a germinação de sementes de Albizia edwallii submetidas a diferentes substratos e temperaturas. Na caracterização física foram avaliados o peso de mil sementes, número de sementes por quilo e grau de umidade. Para a determinação das características morfológicas foi avaliada a biometria de 50 sementes, bem como as suas características internas e externas. A germinação foi conduzida sob três temperaturas (20 °C, 25 °C e 30 °C) e três substratos (areia, vermiculita e papel mata-borrão), com cinco repetições de 40 sementes por tratamento, em esquema fatorial 3 x 3 e delineamento inteiramente casualizado. As variáveis avaliadas foram porcentagem de germinação, índice de velocidade de germinação, tempo médio de germinação e índice de sincronização. O peso de mil sementes foi de 47,7 g, enquanto que o número de sementes por quilo foi de 20.964 para o grau de umidade de 13,1%. As sementes possuem forma elíptica, não apresentam endosperma e possuem funículo persistente. A germinação é epígea e a plântula é fanerocotiledonar, estando completamente formada aos 15 dias. As temperaturas de 20 °C e 25 °C propiciaram os maiores percentuais de germinação, quais sejam, 42 e 38%, respectivamente, e índice de velocidade de germinação (IVG). A utilização de areia como substrato proporcionou percentuais de germinação superiores aos demais substratos avaliados. Assim, recomenda-se a utilização de areia como substrato e as temperaturas de 20 °C e 25 °C para os testes de germinação de A. edwalli.Palavras-chave: Fabaceae. Temperatura. Substrato. Biometria. GERMINATION AND MORPHOLOGICAL OF SEED AND SEEDLING OF Albizia edwallii (Hoehne) Barneby & J. W. GrimesABSTRACT -This study aimed to characterize the morphology of seeds and seedlings and evaluate the germination of seeds of Albizia edwallii submitted to different substrates and temperatures. In physical characterization were evaluated thousand seed weight, the number of seeds per kilogram and moisture content. To determine the morphological characteristics, it was evaluated the biometry of 50 seeds, as well as its internal and external characteristics. Germination was conducted at three temperatures (20 ° C, 25 ° C and 30 ° C) and three substrates (sand, vermiculite and blotting paper) with five replications of 40 seeds per treatment, in a factorial 3 x 3 and completely randomized design. The variables were germination percentage, germination rate index, mean germination time, and synchronization index. The thousand seed weight was 47.7 g, while the number of seeds per kilo was 20.964 for the moisture content of 13.1%. The seeds have an elliptical shape, no endosperm and have persistent funiculus. Germination is epigeal, and the seedling is phanerocotylar being fully formed at 15 days. Temperatures of 20 ° C and 25 ° C provide the highest germination rates, 42 and 38%, respectively, and germination speed index (GSI). The use of sand as a substrate provided better germination perc...

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“…Additionally, seeds of both morphs start imbibing very rapidly (1-2 h after being put in contact with water) and thereafter completed Phase I in less than 18 h, much less than in a number of other species belonging to Fabaceae [26][27][28] or to other families [29], where values ranging from a little more than one day to several days have been reported. Conversely, smaller durations of Phase I, lasting only 5 to 7 h, have been reported in Fabaceae [30] and in other families [31][32][33].…”

Section: Discussionmentioning

confidence: 99%

Imbibition, Germination, and Early Seedling Growth Responses of Light Purple and Yellow Seeds of Red Clover to Distilled Water, Sodium Chloride, and Nutrient Solution

Costa

Dias

2019

Sci

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The seeds of red clover are heteromorphic and two color morphs can be visually recognized, light purple and yellow, resulting from heterozygosity and recessive homozygosity at two loci. Here, we report the responses of seed imbibition, seed germination, and early seedling growth of the two morphs to distilled water, sodium chloride, and complete nutrient solution. The sensitivityof red clover seeds to treatments increased with the stage of development in what seems to be a cumulative process. No differences were found in seed imbibition between morphs or between treatments. In seedling growth, on the contrary, treatments were always effective, but differences between morphs were only observed in seeds that were treated with nutrient solution, whereas in the intermediate stage of seed germination, the effects by treatments were observed together with the appearance of differences between morphs in distilled water and in the treatment by sodium chloride solution. Simultaneously, the superior performance of the yellow morph that was found in germination, which appears to be a trait stable across cultivars of red clover seeds, turned into a superior performance of the light purple morph in seedling growth.

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Aspectos morfoanatômicos e fisiológicos de sementes e plântulas de Amburana cearensis (Fr. All.) A.C. Smith (Leguminosae - Papilionoideae)

Cited by 14 publications

References 15 publications

Vigor test of (strong) normal intact Amburana cearensis (Allemão) A.C. Smith seedlings

Vigor test of (strong) normal intact Amburana cearensis (Allemão) A.C. Smith seedlings

GERMINAÇÃO E MORFOLOGIA DE SEMENTES E PLÂNTULAS DE Albizia edwallii (Hoehne) Barneby & J. W. Grimes

Imbibition, Germination, and Early Seedling Growth Responses of Light Purple and Yellow Seeds of Red Clover to Distilled Water, Sodium Chloride, and Nutrient Solution

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