1-MCP Improves Postharvest Quality of Begonia × Hiemalis

Kim, Tae Young; Kwon, Song; Kim, Ki Sun

doi:10.17660/actahortic.2007.755.59

Cited by 1 publication

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“…During shipping, carbohydrate levels decrease and plants may show symptoms of senescence such as lower leaf chlorosis, internode elongation, and abscission of buds and flowers (Jones, 2002). Holding Begonia ·hiemalis plants in the dark caused more bud abscission than vibration or nonfreezing low temperature treatments and pretreatment with 1-MCP reduced abscission and increased display life (Kim et al, 2007). Skog et al (2001) also showed that Impatiens ·hawkeri 'Paradise Aglia' and I. walleriana 'Accent White' and 'Seashell' were improved with gaseous 1-MCP pretreatment in the presence or absence of ethylene during postproduction.…”

Section: Days Between 1-mcp Spray and Ethylene Exposurementioning

confidence: 95%

Evaluation of a Sprayable Formulation of 1-Methylcyclopropene in Floriculture

Filios¹,

Miller²

2016

horts

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We conducted a series of studies to determine the efficacy of a sprayable formulation of 1-methylcyclopropene (1-MCP; AFxRD-038) to inhibit ethylene-mediated flower abscission in Impatiens walleriana. Exposing Impatiens plants to 1.0 μL·L−1 ethylene for 18 hours caused complete abscission of open flowers and most buds. Sprays of the novel 1-MCP formulation at concentrations >2.5 mg·L−1 protected plants from ethylene. At 5 and 10 mg·L−1, the efficacy of 1-MCP increased as spray volume increased from 102 mL·m−2 to 306 mL·m−2. 1-MCP was rainfast with no decrease in efficacy resulting from heavy overhead irrigation within 1–2 minutes of application. Prepared 1-MCP solutions (10 mg·L−1) remained effective up to 2 weeks after mixing if held in airtight containers. The sprayable 1-MCP formulation provided protection against exogenous ethylene for a maximum of 4 days and reduced stress-related abscission from 3 days of darkness (in the absence of exogenous ethylene) at 20 °C or 40 hours darkness at 28 °C.

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Section: Days Between 1-mcp Spray and Ethylene Exposurementioning

confidence: 95%