Armazenamento e requerimento fotoblástico de sementes de Acacia polyphylla DC

Neto, João Correia de Araújo; Aguiar, Ivor Bergemann de; Ferreira, Vilma Marques; Rodrigues, Teresinha de Jesus Deléo

doi:10.1590/s0101-31222005000100014

Cited by 15 publications

(8 citation statements)

References 7 publications

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“…However, it is important to underscore that even under natural storage conditions with no temperature or relative humidity control, B. chinensis seeds continued to germinate for one year, albeit with decreased physiological potential. A similar occurrence was observed in the sword lily (CARPENTER et al, 1991), also from the family Iridaceae, as well as in Acacia polyphylla DC (ARAÚJO NETO et al, 2005), Tabebuia impetiginosa (Mart.) (BORBA FILHO and PEREZ, 2009) and apple of Sodom (OLIVEIRA-BENTO et al, 2015), whose physiological quality is more negatively affected in a natural environment, where temperature and relative air humidity are not controlled, when compared to other storage environments.…”

Section: Resultssupporting

confidence: 75%

Germinação de sementes armazenadas de Belamcanda chinensis (L.) DC

Silva

Baldini

Tomaz³

et al. 2018

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The leopard lily (Belamcanda chinensis) is an exotic ornamental Iridaceae in Brazil and cultivated as a medicinal plant in its countries of origin (China and Japan). It is propagated by rhizomes and seeds; however, the viability of these seeds after storage remains unknown. The aim of this study was to evaluate the germinability of stored B. chinensis seeds. Seeds harvested between March and April 2010, 2011, 2012 and 2013 were separated by year and stored in paper bags in a room without relative humidity and temperature control. Seeds from these four years were analyzed for moisture content, 100-seed weight and germination index. The freshly harvested seeds (2013) and those stored for one year (2012) exhibited 72% and 41% germination, respectively, and 80% and 47% primary root emission at the end of 20 weeks. However, seeds stored for two and three years (2010 and 2011) didnot germinate. B. chinensis seeds remained viable for up to one year of storage.

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Section: Resultssupporting

confidence: 75%

Germinação de sementes armazenadas de Belamcanda chinensis (L.) DC

Silva

Baldini

Tomaz³

et al. 2018

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“…According to a study conducted by ARAÚJO NETO et al (2005) the storage of Acacia polyphylla DC seeds. In an environment without temperature control and air humidity was inefficient to maintain their physiological quality.…”

Section: Discussionmentioning

confidence: 99%

Germination of Punica granatum seed according to temperature and storage period

Silva¹,

Oliveira²,

Radaelli³

et al. 2019

Revista Brasileira De Tecnologia Aplicada Nas Ciências Agrárias

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The aim of the study was to evaluate the germination of P. granatum seeds after storage under different temperatures. The experiment was performed at Universidade Tecnológica Federal do Paraná -UTFPR -Campus Dois Vizinhos. The seeds were stored in sealed glass jars under temperatures of 5°C, 10°C e 25°C, por 0, 30, 60, 90, 120, 150, 180, 210 and 240 days. After each period, the seeds were sowed in Gerbox ® boxes kept at 25°C. A completely randomized design was used, in a factorial 3 x 9 (temperature x period of storage), with four repetitions of 100 seeds each. After 60 days of implementation, percentage of germinated seeds, GSI and AGT, were evaluated. The data was transformed and submitted to variance analysis (p ≤ 0,05) and Duncan's test. Seeds of P. granatum can be stored at the temperature of 5°C for 240 days.

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“…In a study conducted with the arboreal species Senegalia polyphylla (DC.) Britton & Rose (Fabaceae), Araújo Neto et al () found that none of the seeds remained intact after storage in soil ( in situ conservation), demonstrating an inability to form seed banks.…”

Section: Discussionmentioning

confidence: 99%

In situ or ex situ seed conservation: which is the more effective way to maintain seed longevity of an endangered cactus?

Nascimento

Meiado

2016

Plant Species Biology

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With restricted populations and a small number of individuals, Discocactus bahiensisBritton & Rose (Cactaceae) is an endangered species in Brazil and its capacity for the formation of seed banks in the soil and the maintenance of seed viability remains unknown. Thus, the aim of the present study was to determine the most efficient way to maintain viability during storage of seeds of D. bahiensis. Seeds were stored in paper bags and either kept in a cold chamber (7 AE 2 C) in the dark (ex situ conservation) or buried in the soil to a depth of 5 cm in an area of natural occurrence of the species (in situ conservation). Germinability of the seed banks was evaluated monthly for 20 months. During the first 10 months of storage, germinability of the seeds conserved in situ and ex situ was similar to that of recently collected seeds. After this period, a 70% reduction in germinability was found for the seeds maintained in situ and there was nearly complete loss of viability after 12 months of storage in the field (germinability < 10% in the last 8 months of the experiment), indicating the ability to form persistent soil seed banks. In contrast, the seeds stored in the cold chamber maintained greater than 70% germinability throughout the entire analysis period, demonstrating that ex situ conservation is the most efficient way to maintain the viability of the seeds of this endangered species.

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Armazenamento e requerimento fotoblástico de sementes de Acacia polyphylla DC

Cited by 15 publications

References 7 publications

Germinação de sementes armazenadas de Belamcanda chinensis (L.) DC

Germinação de sementes armazenadas de Belamcanda chinensis (L.) DC

Germination of Punica granatum seed according to temperature and storage period

In situ or ex situ seed conservation: which is the more effective way to maintain seed longevity of an endangered cactus?

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