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Effect of drying and soaking fruits and seeds on germination of macaw palm (Acrocomia aculeata [Jacq.] Loddiges ex MART.) - doi: 10.4025/actasciagron.v34i2.11752 Agronomy
Rubio Neto, Aurélio; Universidade Federal de Goiás; Silva, Fabiano Guimarães; Instituto Federal Goiano/Campus Rio Verde; Sales, Juliana de Fátima; Instituto Federal Goiano; Reis, Edésio Fialho dos; Universidade Federal de Goiás; Silva, Marcus Vinícius Vieira da; Instituto Federal Goiano; Souza, Apolyana Lorraine; Instituto Federal Goiano.
This study evaluated mechanisms of the dehydration and rehydration of fruits and seeds on the resulting embryo viability of the macaw palm, Acrocomia aculeata (Jacq.) Loddiges ex Mart. Dehydration was performed in a forced-air oven at 37 ± 2°C for 0, 3, 6, 9, 12 or 15 days, and after these periods, the embryo viability was evaluated by the tetrazolium test. The effect of hydration on the germination percentage and velocity index was evaluated by the imbibition of seeds with distilled water in a germinator at 30 ± 2°C for 0, 2, 4, 6, 8 or 10 days. The seeds were then treated with fungicide and maintained in a Mangelsdorf germinator at 30 ± 2°C. Drying caused a progressive water loss in the fruits and facilitated the extraction of the seeds. Fruits subjected...
Tipo: Experimento de laboratório Palavras-chave: 5.01.03.03-2 germination; Tetrazolium; Drying tolerance Produção e Beneficiamento de Sementes.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/11752
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El test de tetrazolio en semillas de soja. Infoteca-e
FRANÇA-NETO, J. B.; KRZYZANOWSKI, F. C.; COSTA, N. P. da.
Historia; Principios del test; Material necesario; Interpretacion; Diagnostico de las causas del deterioro de la semilla de soja, Identificacion de los niveles de viabilidad; CLASE 1 (vigor muy elevado); CLASE 2 (alto vigor); CLASE 3 (vigor medio); CLASE 4 (vigor bajo); CLASE 5 (vigor muy bajo); CLASE 6 (no viable); CLASE 7 (no viable); CLASE 8 (semilla muerta); Utilizacion de la ficha e interpretacion de los resultados; Precision de los resultados; Ventajas y limitaciones del test; Cuando aplicar el test de tetrazolio.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Soja; Semente; Teste de sementes; Teste de tetrazólio; Soybeans; Testing; Methodology; Tetrazolium.
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/462777
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In vitro germination of zygotic embryos of hybrid BRS Manicoré (E. guineensis X E. oleifera) Anais da ABC (AABC)
BONETTI,KEILA A.P.; QUOIRIN,MARGUERITE; QUISEN,REGINA C.; LIMA,SUELEN C.S..
ABSTRACT The interspecific oil palm hybrid BRS Manicoré (E. guineensis x E. oleifera) has superior agronomic characteristics. However, the germination rate is low (30%) and the process is slow when the seeds are sown in a conventional form. The purpose of this study was to optimize the in vitro germination of zygotic embryos of this hybrid comparing seed lots. The viability of zygotic embryos was evaluated by the tetrazolium test (0.075%) for 4 h. The embryos were cultured on MS and Y3 culture media, with and without the addition of NaH2PO4, as well as on MS, MS1/2 and N6 medium. In MS medium containing NaH2PO4, the germination rate was increased from 40 to 70% in comparison with the medium without sodium phosphate. The comparison between the culture media...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Interspecific hybrid; Sodium phosphate; Tetrazolium; Y3.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000501841
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Metodologia do teste de tetrazólio em sementes de soja. Infoteca-e
FRANÇA-NETO, J. B.; KRZYZANOWSKI, F. C..
bitstream/item/193315/1/Doc-406-OL.pdf
Tipo: Documentos (INFOTECA-E) Palavras-chave: Soja; Teste de Tetrazólio; Teste de Sementes; Soybeans; Tetrazolium; Seeds.
Ano: 2018 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1098452
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Viability and vigor of jamun (Syzygium cumini) seeds Rev. Bras. Bot.
Sivasubramaniam,K.; Selvarani,K..
Jamun (Syzygium cumini L. Skeels) (Black plum, Damson plum) fruits weigh between 2-5 g at maturity. Fresh seeds represented 20-80% of the total fruit weight; the seed coat and cotyledons contributed 6% and 94% to the total seed weight respectively, while the weight of the embryonic axis was insignificant. Only the embryonic axis stained with Tetrazolium, not the cotyledons. The seeds are polyembryonic with up to four embryos, of which at most three germinate. Decoated seeds germinated faster than coated seeds under nursery conditions, with high significant germination percentages, dry matter production rates and vigor indices. The lack of staining of the cotyledon by tetrazolium was probably due to the presence of an impermeable layer. Decoating seeds for...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Decoated seeds; Embryo; Myrtaceae; Polyembryony; Tetrazolium.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000400012
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Yield and quality of soybean seeds inoculated with Bacillus subtilis strains AGRIAMBI
Tavanti,Tauan R.; Tavanti,Renan F. R.; Galindo,Fernando S.; Simões,Isadora; Dameto,Larissa S.; Sá,Marco E. de.
ABSTRACT The use of growth-promoting bacteria can increase the yield and quality of seeds of several annual crops, such as soybean. Based on that, the present study aimed to evaluate the effects of the inoculation of Bacillus subtilis strains on seed treatment, evaluating the yield and quality of seeds of two soybean cultivars. The experiment was conducted in a conventional system, in an Oxisol of clayey texture, in a crop under sprinkler irrigation. The experimental design was randomized blocks, arranged in split plots with four repetitions. Treatments were composed, in the plots, of two soybean cultivars: M7110 IPRO and Brasmax Desafio RR. Within the levels of subplots, the treatments consisted of inoculation and doses of inoculant: Bacillus subtilis...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Plant growth-promoting bacteria; Tetrazolium; Storage proteins; Seed vigor.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662020000100065
Registros recuperados: 6
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