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  • 1
    Electronic Resource
    Electronic Resource
    Effect of 1-methylcyclopropene and methylenecyclopropane on ethylene binding and ethylene action on cut carnations (1996)
    Springer
    Plant growth regulation 18 (1996), S. 79-86 
    Details
    ISSN: 1573-5087
    Keywords: 1-Methylcyclopropene ; methylenecyclopropane ; ethylene ; carnation ; Sis-X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract 1-Methylcyclopropene (1-MCP), formerly designated as Sis-X, has been shown to be an effective inhibitor of ethylene responses in carnation flowers in either the light or the dark. The binding appears to be to the receptor and to be “permanent”. A 6 h treatment at 2.5 nl l−1 is sufficient to protect against ethylene, and 0.5 nl l−1 is sufficient if exposure is for 24 h. As carnation flowers age, a little higher concentration appears to be needed. Most of the natural increase in ethylene production during senescence is prevented by treatment with 1-MCP. A closely related compound, methylenecyclopropane shows ethylene activity. A tritium labelled 1-MCP (60 mCi mmol−1) has been prepared. A higher specific activity is needed for more critical studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028491
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of cyclopropene, 1-methylcyclopropene, and 3,3-dimethylcyclopropene as ethylene antagonists in plants (1996)
    Springer
    Plant growth regulation 18 (1996), S. 169-174 
    Details
    ISSN: 1573-5087
    Keywords: cyclopropene ; 3,3-dimethylcyclopropene ; ethylene ; 1-methylcyclopropene ; plants ; senescence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A comparison has been made of cyclopropene (CP), 1-methylcyclopropene (1-MCP), and 3,3-dimethyl-cyclopropene (3,3-DMCP) in their ability to protect plants against ethylene. In bananas, both CP and 1-MCP are effective around 0.5 nL L−1, and 3,3-DMCP was effective at 1 μL L−1. Bananas treated with CP and 1-MCP again become sensitive to ethylene at 12 days and those treated with 3,3-DMCP at 7 days. Mature green tomatoes are protected by 5–7 nL L−1 of 1-MPC for 8 days at 25°C and tomatoes treated with 3,3-DMCP at 5–10 μL L−1 are protected for 5 days. Carnation flowers are protected with CP or 1-MCP after exposure to 0.5 nL L−1 for 24 hours and by 1 μL L−1 of 3,3-DMCP. The display life of Campanula flowers is increased from 3.3 to 5.4 days by 10 μL L−1 of 3,3-DMCP and to 9 days by 20 nL L−1 of 1-MCP. Ethylene inhibition of pea seedlings is reduced by treatment with 1-MCP at 10 μL L−1 of ethylene but as ethylene is increased to 3000 μL L−1 growth inhibition increases. 3,3-DMCP treatment causes very little reduction of the ethylene effect even at very low concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024378
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    Paper (German National Licenses)
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