Role of ethylene in flower senescence of Gypsophila paniculata L.
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Difference of ethylene production and response to ethylene in cut flowers of dahlia (Dahlia variabilis) cultivars
2020, Scientia HorticulturaeCitation Excerpt :Flower senescence is characterized by multiple events—e.g., wilting, abscission, and petal discoloration—many of which involve ethylene. However, the response to ethylene differs among species and cultivars, and is also affected by factors such as light intensity, water stress, and carbohydrate content (Apelbaum and Yang, 1981; van Doorn and Reid, 1992; van Doorn and Vojinovic, 1996; Ichimura and Hiraya, 1999; Ichimura and Suto, 1999; Pun et al., 2016). Floricultural crops such as carnation, eustoma (Eustoma grandiflorum), petunia (Petunia hybrida), and sweet pea (Lathyrus odoratus) are sensitive to ethylene, and ethylene production increases during flower senescence (Veen, 1979; Mor et al., 1984; Wu et al., 1991a, b; Porat et al., 1994; Ichimura et al., 1998).
Effects of some preservative solutions on vase life and keeping quality of snapdragon (Antirrhinum majus L.) cut flowers
2012, Journal of the Saudi Society of Agricultural SciencesCitation Excerpt :Moreover, Ichimura and Hismatsu (1999) reported that abscission of snapdragon cut flowers was delayed by treatments containing ethylene biosynthesis inhibitors such as methylcyclopropene and silver thiosulfate. However, treatment with STS in combination with sucrose has been found to be more effective in improving vase life than with STS or sucrose alone of some cut flowers such as carnation (Goszynski and Rundnicki, 1982) and Gypsophila (Van Doorn and Reid, 1992). Also, the dual application of sugars and antimicrobial agents has increased vase life by up to 22%, and improved spikes quality of two Gladiolus cultivars (Abdulrahman, 2004).
Effects of ethylene, pollination, and ethylene inhibitor treatments on flower senescence of gentians
2012, Postharvest Biology and TechnologyCitation Excerpt :Sensitivity of flowers to ethylene also varies among cultivars of Eustoma (Shimizu-Yumoto and Ichimura, 2009). In many ethylene-sensitive flowers, including carnation (Nichols, 1966), dendrobium (Nair and Fong, 1987), gypsophila (van Doorn and Reid, 1992), and petunia (Whitehead et al., 1984), ethylene production in the unpollinated flowers markedly increases during senescence. However, ethylene production in unpollinated G. scabra flowers only slightly increased during senescence (Fig. 1A) regardless of high sensitivity to ethylene (Table 1).
Desiccation-induced reduction in water uptake of gypsophila florets and its amelioration
2010, Postharvest Biology and TechnologyApoptotic-like cell death marks the early stages of gypsophila (Gypsophila paniculata) petal senescence
2005, Postharvest Biology and TechnologyEffects of 2-hydroxy-3-ionene chloride polymer on the vase life of cut rose flowers
1998, Postharvest Biology and Technology