2013
DOI: 10.1590/s0034-737x2013000100011
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Substratos alternativos e métodos de quebra de dormência para produção de mudas de canafístula

Abstract: This study aimed to evaluate the effect of different methods to break dormancy and the use of sugarcane bagasse in the composition of alternative substrates made from a mixture of commercial substrate, in canafistula (Peltophorum dubium (Sprengel) Taubert) seedling production The experiment was carried out in randomized blocks in a 4 x 5factorial design, with five substrates, Bioplant ® ; 75% Bioplant ® + 25% sugarcane bagasse (75B+25BC); 50% Bioplant ® + 50% sugarcane bagasse (50B+50BC); 25% Bioplant ® + 75% … Show more

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Cited by 40 publications
(46 citation statements)
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“…Statistical difference for root dry matter and total dry matter of the seedlings. These results are different from those found by Gomes et al (2008) found the highest results for the development of lettuce seedlings when using Bioplant® as a substrate and by Dutra et al (2013) when using alternative substrates in the production of canafístula seedlings. The difference of results can be related to the commercial substrate favoring the densification that hinders the growth of the root system of the micropropagated seedlings of minirose since the developed roots are very weak and sensitive when compared the roots developed by the lettuce, damaging the absorption of essential nutrients to the development of seedlings.…”
Section: Resultscontrasting
confidence: 99%
“…Statistical difference for root dry matter and total dry matter of the seedlings. These results are different from those found by Gomes et al (2008) found the highest results for the development of lettuce seedlings when using Bioplant® as a substrate and by Dutra et al (2013) when using alternative substrates in the production of canafístula seedlings. The difference of results can be related to the commercial substrate favoring the densification that hinders the growth of the root system of the micropropagated seedlings of minirose since the developed roots are very weak and sensitive when compared the roots developed by the lettuce, damaging the absorption of essential nutrients to the development of seedlings.…”
Section: Resultscontrasting
confidence: 99%
“…As sementes de canafístula foram coletadas de 10 árvores matrizes localizadas no município de Salinas-MG. Após a coleta, as mesmas foram submetidas à superação da dormência por meio da imersão em água quente a 95 ºC, deixando-as em repouso fora do aquecimento por 24 horas à temperatura ambiente de 25 ºC (DUTRA et al, 2013).…”
Section: Methodsunclassified
“…Para a superação da dormência tegumentar das sementes de canafístula, as mesmas foram submetidas à imersão em água quente (95ºC) e deixadas em repouso fora do aquecimento por 24 horas à temperatura de 25ºC (DUTRA et al, 2013). Em seguida foram higienizadas em hipoclorito de sódio (2%) por três minutos, e posteriormente dispostas em um número de 3 sementes por tubete.…”
Section: Methodsunclassified