<i>Lelliottia nimipressuralis</i> (Carter 1945) Brady et al. 2013 as the causative agent of bacterial wetwood disease of common silver fir (<i>Abies alba</i> mill.)

Kulbanska, Ivanna; Plikhtyak, Petro P.; Shvets, Maryna; Soroka, M.; Goychuk, Anatoliy

doi:10.2478/ffp-2022-0017

Cited by 5 publications

(3 citation statements)

References 29 publications

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“…I. Kulbanska et al (2022) investigated that the main symptoms of infection of fir trees with bacterial dropsy include the development of cracks and ulcers on shoots and trunks, detachment of the rhytidome, abundant exudate discharge, exposure of the primary bark and phloem, trees form a typical "hedgehog-like" appearance due to the mass development of water shoots. These results highlight the importance of studying and understanding the complex of symptoms for early diagnosis and effective control of this bacterial disease.…”

Section: Resultsmentioning

confidence: 99%

Ulcerative tumour-like disease of white fir in the Pokuttia Carpathians

Kulbanska,

Goychuk,

Soroka

et al. 2024

Ukr. j. for. wood sci.

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The current state of dark coniferous forests on Earth is a bio-indicator of global environmental change, in particular, the process of gradual degradation of tree species of the genera Pine, Spruce and Fir, due to the negative impact of anthropogenic activities, abiotic and biotic factors. The purpose of the study is to establish the symptoms, prevalence and harmfulness of the causative agent of ulcerative tumour-like disease on the shoots and trunks of white fir. The research was conducted on the territory of the forest fund of the Pokuttia Carpathians, in particular, within the branch Kutske forestry of the State Specialised Economic Enterprise “Forests of Ukraine” in the Kosivske forest enterprise. The study uses classical phytopathological and mycological methods, which are used to investigate the aetiology of the disease, analyse typical symptoms (starting from the early stages), and perform microscopy of the affected parts of fir. The symptoms, aetiology, and pathogenesis of white fir ulcer-like disease, which tends to spread, were investigated. A new name for the disease is substantiated, in particular, it is proposed to use the name “ulcerative tumour-like disease” of fir instead of the current name “cancer”. It is shown that a typical sign of infection is the development of tumours, which eventually transform into ulcers. It was found that the tumour-like type of lesion prevails on the undergrowth of fir, and on plants of the upper tiers – ulcerative. It is noted that a typical sign of ulcerative tumour-like disease of white fir is also the presence of pathologies such as “witches’ broom”. It is proposed to remove affected trees with typical signs of infection with ulcerative tumour-like disease to reduce the infectious background, especially during lighting and cleaning, since affected trees are not released from infection. Therefore, assessing the risk of infection of white fir trees with ulcerative tumour-like disease at the level of specific stands and ensuring an appropriate response to potential infection risks is an important part of sustainable forest management

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Section: Resultsmentioning

confidence: 99%

Ulcerative tumour-like disease of white fir in the Pokuttia Carpathians

Kulbanska,

Goychuk,

Soroka

et al. 2024

Ukr. j. for. wood sci.

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“…due to other pathogens have been observed in Europe in recent years. Increased forest degradation of silver fir forests, presumably due to climate change, was found, for example, due to infection of the phytopathogenic bacterium Lelliottia nimipressuralis in Ukraine [246] or the fungi responsible for Herpotrichia needle browning, including Nematostoma parasiticum [247]. Fir stands can also be infested by the hemiparasitic mistletoe (Viscum album L.), which attacks a wide range of woody plants [248][249][250].…”

Section: Threats and Diseasesmentioning

confidence: 99%

Silver Fir (Abies alba Mill.): Review of Ecological Insights, Forest Management Strategies, and Climate Change’s Impact on European Forests

Bledý,

Vacek,

Brabec

et al. 2024

Forests

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The silver fir (Abies alba Mill.) is among the most valuable conifers in Europe for ecological and economic reasons. Throughout the course of history, primarily in the 20th century, its share in stands has been declining due to ill-suited management practices, especially clear-cut management, air pollution (SO2 and NOX emissions), and wildlife-induced damage. This literature review compiles findings from 338 scientific papers. It describes futures for silver fir and its distribution, ecological requirements, threats and diseases, seed production and nurseries, and forest management practices with emphasis on ongoing climate change. Based on recent knowledge of fir ecology and population dynamics, small-scale shelterwood and selection management have been introduced in fir stands, which have also stabilized them. Fir is an essential species for maintaining high stability and biodiversity, especially on planosols and in waterlogged habitats. Owing to its shade tolerance and environmental plasticity, it can coexist very well with many tree species in mixtures, which can increase the productive potential of stands within the natural range in Europe. The average stand volume of mature fir stands ranges from 237–657 m3 ha−1. For its successful natural regeneration, it is essential to reduce cloven-hoofed game and thus prevent bud browsing damage. The attractiveness of fir in terms of heavy browsing is the highest of all conifers (52% damage). On the other hand, fir is a species relatively resistant to bark stripping and the spread of secondary rot compared with Norway spruce (Picea abies [L.] Karst.). Under global climate change, fir is expected to shift to higher elevations with sufficient precipitation, while in the southern part of its natural range or at lower elevations, outside water-influenced habitats, it is likely to decline. Climate change is intricately linked to the heightened prevalence of forest pathogens with significant damage potential in Europe, necessitating careful consideration and strategic adaptation within management practices of fir forests.

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“…[5], common oak (Quercus robur L.) [7], common ash (Fraxinus excelsior L.) [10,11], silver fir (Abies alba Mill.) [12], and others.…”

Section: Introductionmentioning

confidence: 95%

Bacterial Diseases of Bioenergy Woody Plants in Ukraine

Goychuk

Kulbanska

Shvets³

et al. 2023

Sustainability

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In this study, the characterization of several bacterial diseases affecting silver birch (Betula pendula Roth.), common ash (Fraxinus excelsior L.), white poplar (Populus alba L.), and white willow (Salix alba L.) in Ukraine were described. The typical symptoms, features of pathogenesis, and characteristics of the causative agents of the most common bacterial diseases of these tree species were shown. The following types of bacterioses were noted to be especially dangerous, namely, bacterial wetwood, fire blight, bacterial canker, and tuberculosis. Bacterial necrosis of the bark was a less dangerous disease. At the same time, all of the listed types of bacterioses were registered within the forest areas of the investigated region. The study revealed that bacterial wetwood of birch and poplar was caused by Lelliottia nimipressuralis; the bacterial canker of poplar is Pseudomonas syringae (Pseudomonas syringae f. populi and Pseudomonas cerasi); the fire poplar blight is caused by Pseudomonas cerasi (P. syringae); the common ash tuberculosis is caused by Pseudomonas syringae pv. savastanoi; and the bacterial wilt of the willow is caused by Brenneria salicis. The phenomenon of the introduction of microorganisms of different functional orientations as well as the formation of conditions for their activity in the rhizosphere of plants have been studied. In the future, it will provide the development of effective methods for the rapid identification of causative agents of bacterioses and plant protection measures based on multi-functional microbiological preparations based on highly effective strains of microorganisms.

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Lelliottia nimipressuralis (Carter 1945) Brady et al. 2013 as the causative agent of bacterial wetwood disease of common silver fir (Abies alba mill.)

Cited by 5 publications

References 29 publications

Ulcerative tumour-like disease of white fir in the Pokuttia Carpathians

Ulcerative tumour-like disease of white fir in the Pokuttia Carpathians

Silver Fir (Abies alba Mill.): Review of Ecological Insights, Forest Management Strategies, and Climate Change’s Impact on European Forests

Bacterial Diseases of Bioenergy Woody Plants in Ukraine

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