Grzyby zasiedlające zdrowe łozy winorośli (Vitis spp.) w wybranych szkółkach

• Autorzy: Krol E.

Warianty tytułu

EN

Fungi inhabiting healthy grapevine canes (Vitis spp.) in some nurseries

• Języki publikacji: PL

Abstrakty

PL

Celem badañ prowadzonych w latach 2000 2002 było poznanie gatunków grzybów zasiedlających zdrowe łozy winorośli oraz sprawdzenie czy przechowywa- nie łozy modyfikuje ich skład ilościowy i jakościowy. Materiał roślinny pobierano do badañ z 5 plantacji produkcyjnych położonych w różnych regionach Polski, uwzględ- niając 8 najczęściej uprawianych odmian winorośli. Z każdej plantacji i odmiany pobierano losowo po 20 sztuk łozy w dwóch terminach: przed przechowywaniem listopad/grudzieñ (termin I) i po 3-4 miesiącach przechowywania marzec/kwiecieñ (termin II). Wyniki wykazały, że z wizualnie zdrowej łozy wyosobniono 2746 izola- tów grzybów reprezentujących 23 gatunki, z których większość pochodziło z łozy badanej po przechowywaniu. Wykazano, że Phomopsis viticola jest zdolny do latent- nego rozwoju w tkankach winorośli w warunkach Polski bowiem izolaty tego grzyba uzyskiwano z pozornie zdrowych roślin we wszystkich badanych szkółkach i termi- nach badañ. Spośród innych gatunków grzybów zasiedlających łozy dominowały: Alternaria alternata i Fusarium spp.Ponadto, w obu terminach badañ izolowano dość często Botrytis cinerea, Phoma spp., Epicoccum purpurascens i Cladosporium cladosporioides, a w terminie I także Acremonium spp. Każdorazowo uzyskiwano również izolaty Trichoderma spp. i Gliocladium spp. Stwierdzone w badaniach kolonizowanie łozy winorośli przez różne gatunki grzybów, w tym fitopatogeny, wskazuje na niebezpieczeñstwo przenoszenia czynników chorobotwórczych na nowe plantacje wraz z materiałem rozmnożeniowym.

EN

The purpose of this study, conducted in the years 2000 - 2002, was to identify fungi species colonizing apparently healthy canes and to investigate whether canes storage modify the quantitative and qualitative composition of these fungi. The plant material was collected from 5 commercial plantations growing in various regions of Poland, taking into consideration 8 cultivars which were the most frequently cultivated. From each plantation and cultivar 20 apparently healthy canes were randomly sampled in two terms: before storage - November/December (term I) and 3-4 months after storage - February/March (term II). The results showed that from asymptomatic canes 2746 isolates of fungi belonging to 23 species were obtained, but the majority of them origined from canes analysed after storage. It was found that P. viticola is able to live latently within grapevine tissue in Polish conditions because isolates of this fungus from visually healty canes the all studied plantations and terms were obtained. Among the other fungi species inhabiting grapevine canes Alternaria alternata and Fusarium spp. dominated. Moreover, both in term I and term II Botrytis cinerea, Phoma spp., Epicoccum purpurascens and Cladosporium cladosporioides were frequently isolated, whereas fungi from the genus Acremonium only in the term I. Each time isolates of Trichoderma spp. and Gliocladium spp. were also obtained. Inhabitation of grapevine canes by various fungi species shown in the present experiment indicate the danger of pathogens spread with propagation material on the new plantations.

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2006
• Tom: 59
• Numer: 2
• Opis fizyczny: s.163-173,rys.,tab.,bibliogr.

Twórcy

autor

Krol E.

• Katedra Fitopatologii, Akademia Rolnicza, ul.Leszczyńskiego 7, 20-069 Lublin

Bibliografia

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