2014
DOI: 10.14295/rbho.v20i1.479
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Longevidade e sensibilidade de helicônias ‘Golden Torch’ ao etileno exógeno

Abstract: <p> Neste trabalho, objetivou-se avaliar o efeito do etileno exógeno na longevidade e sensibilidade de helicônias ‘Golden Torch’ armazenadas em condições ambiente. As inflorescências foram colhidas com duas brácteas expandidas e uma fechada, em área de produção comercial localizada em Petrolina-PE. Os tratamentos consistiram de doses de ethephon (0; 0,1; 1; 10; 100 e 1.000 mg L-1) e datas de avaliação das hastes (0, 2, 4, 6, 8 e 10 dias, a 20,4 ± 3,7 ºC e 49 ± 11% UR). O delineamento experimental foi int… Show more

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“…In general, heliconias are less sensitive to ethylene. For example, in inflorescences of heliconia 'Golden Torch', senescence anticipation occurs only when high doses of ethephon are used (100 and 1,000 mg L -1 ); therefore, the application of ethylene inhibitors in the postharvest of this species is not justified (SOUZA et al, 2014). However, for the tropical orchid Epidendrum ibaguense, the use of ethylene inhibitors is recommended (SANTOS et al, 2012).…”
Section: Physiological Factors In Postharvestmentioning
confidence: 99%
“…In general, heliconias are less sensitive to ethylene. For example, in inflorescences of heliconia 'Golden Torch', senescence anticipation occurs only when high doses of ethephon are used (100 and 1,000 mg L -1 ); therefore, the application of ethylene inhibitors in the postharvest of this species is not justified (SOUZA et al, 2014). However, for the tropical orchid Epidendrum ibaguense, the use of ethylene inhibitors is recommended (SANTOS et al, 2012).…”
Section: Physiological Factors In Postharvestmentioning
confidence: 99%