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Development of different herbaceous perennial species on the experimental extensive green roof of Corvinus University Budapest
Published February 8, 2006

During 2003-2004 six "traditional" herbaceous plant species (Sedum reflexum, Sedum acre 'Aureum', Sedun spurium„Sedum floriferum, Festuca glauca) and six "new" plant species (Sedum pulchellum, Prunus tenella, fivericum polyphyllum, CeraiTtignIct plumbaginoides, Dianthus plumarius and Phlox subulala) were tr...ied on four different types of roof insulation on the 100 m large experimental extensive green roof of the Building K of Corvinus University Budapest, at Villányi street, Budapest. According to the results obtained so far, the viability and good decoration values of all the "traditional" plants were proved. From the six "new" plants Ceratostigma plumbaginoides, Dianthus plumarius and Sedum pulchellum (with some restrictions) proved to be suitable. A significantly poorer development was showed by the remaining "new" species (Phlox subulata, 1-1yericum polyphyllum, Prunus tenella) than the "traditional" ones. As for the different types of roof insulation, the best was with the direct order of layers, and drainage layer with water storage capacity.

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Effect of 1-MCP (1-methylcyclopropene) on the vase life of Chrysanthemum and Carnation cut flowers
Published October 16, 2002

The effect of 1-MCP on extending the vase life of chrysanthemum and carnation cut flowers was studied. The flowering stems of both flowers were terminated to 50 cm. in height. Then, the flowers were pre-treated with 1-MCP at 0.3, 0.5 and 0.7g/m3 for 3 hours or 6 hours. The control flowers were placed in ambient air during the treatment. After t...he period of treatments the flowers were aerated then put in glass vials contained tap water. The vase life determination was conducted in a vase life evaluation room at 22 ± 1°C. Fresh weight determinations of the flowers were made just before the immersion of the flowers into the glasses of water and were repeated on the day when the vase life of the control flowers was terminated. The treatment of 1-MCP at 0.5g/m3 for 6 hours was the most effective treatment of chrysanthemum and carnation cut flowers.

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