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Problemi fitopatologici della coltivazione del mirto

Garau, Raimondo and Prota, Vanda Assunta and Paltrinieri, Samanta and Tolu, Giovanni and Sechi, Aimone and Bertaccini, Assunta (2005) Problemi fitopatologici della coltivazione del mirto. In: 3. Giornata di studio sul mirto: [atti del convegno], 23 settembre 2005, Sassari, Italia. Sassari, Università degli studi di Sassari, Dipartimento di Economia e sistemi arborei. Conference or Workshop Item.

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Abstract

Myrtus communis L., is mainly used in the food industry for the production of both a red and a white traditional sardinian liquor. Given the important of this plant species for the regional economy, many studies have been made to strenghten our knowledge on the different cultivation techniques and on the potentiality of the different cultivars. In the first part of this work a short review of the main Myrtle diseases is presented with special enphasis nursery diseases induced by Phytophthora ssp., P. nicotinae, and P. italica, and by Cylindrocladium pauciramosum and C. scoparium, that seriously affect plant vitality . Secondly we refer on a severe series of symptoms, observed during recent experimental surveyes carried out in Northen Sardinian, and apparently related to phytoplasma infections. Here we describe our studies aimed to assess the phytoplasmas presence on the lives of symptomatic plants collected from two different fields. A series of molecular assays with PCR and nested-PCR followed by RFLP allowed to identify the presence of 16SrIII-B phytoplasma (reference strain “Peach X disease”), 16SrX-A subgroup (reference strain “Apple proliferation”) and 16SrXII-A (reference strain “Stolbur”) in the plant samples. Epidemiological role of the plant material used for myrtle propagation and of the Auchenorryncha populations present in the field, are discussed, as well as, disease control.

Item Type:Conference or Workshop Item (Contribute)
ID Code:58
Status:Published
Uncontrolled Keywords:Myrtle, disease, phytoplasmas, PCR, RFLP, epidemiology
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/12 Patologia vegetale
Divisions:001 Università di Sassari > 01 Dipartimenti > Protezione delle piante
Publisher:Università degli studi di Sassari, Dipartimento di Economia e sistemi arborei
Deposited On:18 Aug 2009 10:01

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