Weeds may be a serious problem in extensive green roofs since they usually are very competitive with the cultivated plants, especially in the adverse conditions of the Mediterranean roofs. The monitoring of weed infestation on an extensive green roof with six flora species (Armeria maritima, Cerastium biebersteinii, Dianthus gratianopolitanus, Dianthus carthusianorum, Potentilla neumanniana, Thymus serpyllum) intercropped with Sedum album was carried out. The cultivated species influenced the weed invasion in relation to their soil covering and growing performances. Thymus serpyllum, Cerastium biebersteinii and Potentilla neumanniana were the least infested species, and are therefore worthy of consideration in the creation of Mediterranean green roofs in the perspective to reduce the maintenance costs.

Monitoring of weeds in an extensive green roof / A. Tosca, L. Martinetti, P. Spoleto, M. Valagussa, A. Gatt. - In: ACTA HORTICULTURAE. - ISSN 0567-7572. - 1215(2018 Oct 31), pp. 121-124. ((Intervento presentato al convegno International Symposium on Greener Cities for More Efficient Ecosystem Services in a Climate Changing World tenutosi a Bologna nel 2017 [10.17660/ActaHortic.2018.1215.22].

Monitoring of weeds in an extensive green roof

L. Martinetti
Secondo
;
2018-10-31

Abstract

Weeds may be a serious problem in extensive green roofs since they usually are very competitive with the cultivated plants, especially in the adverse conditions of the Mediterranean roofs. The monitoring of weed infestation on an extensive green roof with six flora species (Armeria maritima, Cerastium biebersteinii, Dianthus gratianopolitanus, Dianthus carthusianorum, Potentilla neumanniana, Thymus serpyllum) intercropped with Sedum album was carried out. The cultivated species influenced the weed invasion in relation to their soil covering and growing performances. Thymus serpyllum, Cerastium biebersteinii and Potentilla neumanniana were the least infested species, and are therefore worthy of consideration in the creation of Mediterranean green roofs in the perspective to reduce the maintenance costs.
Biodiversity; Green roof substrates; Mediterranean rooftop greening; Weed competition
Settore AGR/04 - Orticoltura e Floricoltura
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/612890
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