Microorganisms colonizing in vitro culture of Gloriosa rothschildiana O’Brien and Allium L.

EWA KRÓL

Katedra Ochrony Roślin, Wydział Ogrodnictwa i Architektury Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. S. Leszczyńskiego 7, 20-069 Lublin

DANUTA KOZAK

Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin

MARZENA PARZYMIES

Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin

BARBARA MARCINEK

Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin

ALICJA ŚWISTOWSKA

Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin


Abstract

Contaminations of the gloriosa microtubers and allium microshoots as well as the medium were observed during the micropropagation. In order to recognize microorganisms that threaten in vitro cultures, identification of fungi and bacteria was carried out on the basis of morphological characteristics and selected physiological and biochemical tests. In case of bacteria, tests of pathogenicity were also conducted to fully assess their harmfulness. It was found out that the most commonly isolated were non-pathogenic Gram-negative bacteria species of the Pseudomonas, Enterobacter, Citrobacter, Klebsiella and Erwinia strains. However, 5 pectolytic isolates from allium microshoots were found to be pathogenic as they caused the rot of garlic shoots of all the studied plant taxa. Sarocladium, Penicillium, Talaromyces and Cladosporium were the most frequently isolated fungi, which are commonly found in nature as saprotrophs.

Keywords:

bacterial and fungal contamination, in vitro cultures, identification, ornamental plants

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Published
2017-09-10



EWA KRÓL 
Katedra Ochrony Roślin, Wydział Ogrodnictwa i Architektury Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. S. Leszczyńskiego 7, 20-069 Lublin
DANUTA KOZAK 
Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin
MARZENA PARZYMIES 
Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin
BARBARA MARCINEK 
Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin
ALICJA ŚWISTOWSKA 
Katedra Roślin Ozdobnych i Architektury Krajobrazu, Wydział Ogrodnictwa i Architektury, Krajobrazu, Uniwersytet Przyrodniczy w Lublinie, ul. Głęboka 28, 20-612 Lublin



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