2003
DOI: 10.1590/s0103-90162003000100010
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Onion seedling production in styrofoam trays under controlled environment, as summer-planted onions

Abstract: Summer-planted onion ( Allium cepa L.) can increase grower profits, but the production of seedlings for transplant is difficult. This experiment was carried out in Piracicaba, SP, Brazil, with the objective of studying the behavior of the short-day onion hybrid Mercedes, in its initial stage, under controlled greenhouse environment, as summer-planted onions. Four formulated substrates, two different numbers of plants per cell were tested, and 288-cell styrofoam trays used. Trials were set up in split-plot desi… Show more

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Cited by 6 publications
(4 citation statements)
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References 9 publications
(17 reference statements)
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“…Regarding the comparison among genotypes as a function of the tray seedling production system (PMB), only pre-commercial TE 316 genotype stood out, producing 47.90 t ha -1 , a value considered significant by the Tukey test (P> 0 .05). In fact, by adopting the tray seedling production system, the producer needs less demand for seeds for planting, allowing lower risk due to possible weather variations that may occur during seedling formation (PMS), since seedlings in trays are produced for a period in a protected environment (Vincenzo and Neto, 2003). Still in the tray seedling production system (PMB), only C3 contrast (Mulata vs. pre-commercial genotypes) had significant effects (P> 0.01), demonstrating that despite the poor agronomic performance of most genotypes except for TE 316 genotype, pre-commercial genotypes presented better agronomic potential in the tray seedling production system (PMB), compared to commercial Mulata genotype (Table 4).…”
Section: Resultsmentioning
confidence: 99%
“…Regarding the comparison among genotypes as a function of the tray seedling production system (PMB), only pre-commercial TE 316 genotype stood out, producing 47.90 t ha -1 , a value considered significant by the Tukey test (P> 0 .05). In fact, by adopting the tray seedling production system, the producer needs less demand for seeds for planting, allowing lower risk due to possible weather variations that may occur during seedling formation (PMS), since seedlings in trays are produced for a period in a protected environment (Vincenzo and Neto, 2003). Still in the tray seedling production system (PMB), only C3 contrast (Mulata vs. pre-commercial genotypes) had significant effects (P> 0.01), demonstrating that despite the poor agronomic performance of most genotypes except for TE 316 genotype, pre-commercial genotypes presented better agronomic potential in the tray seedling production system (PMB), compared to commercial Mulata genotype (Table 4).…”
Section: Resultsmentioning
confidence: 99%
“…Em cebola, Cardoso & Costa (4), avaliando a produção de mudas de cebola em bandejas de isopor nas condições de ambiente protegido, verificaram uma incidência reduzida das doenças foliares em decorrência da diminuição do molhamento foliar. Isso é decorrente porque na produção de mudas em canteiros no sistema convencional as plantas são totalmente expostas a estresses bióticos e abióticos, sendo um sistema pouco eficiente quanto à fitossanidade, já que as plantas são vulneráveis às condições ambientais (10). Isso reflete diretamente na redução do número de fungicidas que pode ser utilizado na cultura, pois em videira constatou-se redução de 75% de aplicações para controle de doenças da parte aérea com o uso de cobertura plástica (5).…”
Section: Introductionunclassified
“…Aceito para publicação em: 12/04/2017. 10.1590/0100-5405/168902 RESUMO A produção de mudas de cebola na região do Alto Vale do Itajaí, SC ocorre predominantemente através de canteiros, onde as plantas ficam expostas aos fatores bióticos e abióticos que influenciam diretamente na sanidade foliar e no seu rendimento. Diante disso, o objetivo deste trabalho foi avaliar a influência da cobertura dos canteiros com túnel baixo sobre o rendimento e a intensidade de doenças foliares.…”
unclassified
“…No Brasil, esse segmento está em fase de expansão, principalmente na região centro-sul ULLÉ, 2001). Tanto que, o uso de bandejas em cebola somente tem sido relatado em cultivos específicos, tendo apresentado resultados positivos, como na produção de bulbinhos (CARDOSO & COSTA, 1999) e na produção de mudas para cultivo no verão (VINCENZO & TESSARIOLI NETO, 2003).…”
Section: Introductionunclassified