Fomes root rot in Thetford Forest, East Anglia: past, present and future

Gibbs, J. N.; Greig, B. J. W.; Pratt, J. E.

doi:10.1093/forestry/75.2.191

Cited by 23 publications

(34 citation statements)

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“…In Britain, root rot management by stump removal has been mainly focused on eradication of Heterobasidion root rot in stands of Picea sitchensis, Pinus sylvestris and Pinus nigra. There, after a series of long-term experiments it was concluded that only through stump removal the adequate control of the pathogen can be achieved in second rotation plantations (Greig and Burdekin 1970, Greig and Low 1975, Greig and McNabb 1976, Greig 1980, Gibbs et al 2002. Although the studies in other part of Europe are scarce, those are in good agreement with the British studies.…”

Section: Figmentioning

confidence: 62%

“…Thus by excavations in England, Heterobasidion infection and subsequent mortality of young Pinus sylvestris was traced to contacts with small broken segments of roots, measuring 15 × 1-2 cm, that were not removed, but left in the soil (Greig andMcNabb 1976, Greig 1980). Moreover, the improved methods of extraction reduced losses from Heterobasidion in the next pine generation from 20% to 10% (Greig 1984, Gibbs et al 2002. When following stumping the soil was rootraked, leaving no roots thicker than 5 mm -this drastically reduced Heterobasidion root rot in the next generation of Picea abies (Stenlid 1987; Table 1).…”

Section: Thoroughness Of the Removalmentioning

confidence: 99%

“…Similarly, in Great Britain and New Zealand, mechanized stump removal (to control Armillaria and Heterobasidion root rot in pine stands) was initially accomplished by using a bulldozer with a solid blade (Greig and McNabb 1976, Shaw and Calderon 1977, van der Pas 1981, van der Pas and Hood 1984, Self and MacKenzie 1995, Greig et al 2001, Gibbs et al 2002. In Britain, a wide range of machinery was subsequently tested for stump removal, including bulldozers and a wheeled tractor with the loading arm adapted to push over and harvest the whole trees, but machines utilizing some form of hydraulic lifting action have been shown to be most satisfactory, as this type of machine was found to remove more of the finer root system undamaged than for example did a bulldozer (Greig andMcNabb 1976, Greig 1980).…”

Section: Equipment and Techniquesmentioning

confidence: 99%

“…Firstly, after the trees are felled and the timber cleared from the site, the stumps are individually removed by a hydraulic excavator fitted with a single tine and left in rows. When all the stumps have been excavated, they are pushed into rows by a large, wheeled tractor fitted with a seven-pronged blade (Greig 1984, Gibbs et al 2002.…”

Section: Equipment and Techniquesmentioning

confidence: 99%

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Stump removal to control root rot in forest stands. A literature study

Vasaitis

Stenlid

Thomsen³

et al. 2008

Silva Fenn.

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Tree stumps are expected to be increasingly used for energy production in Fennoscandia, thus environmental consequences of stump removal from forest land must be assessed. Aim of this work was to compile available data on the efficacy of stump removal in eradication of root rot fungi (Heterobasidion, Armillaria, and Phellinus), and to review its potential impacts on establishment and productivity of next forest generation. Site disturbance and some technical and economical aspects are discussed, and needs for future research outlined in northern European context. The review demonstrates that stump removal from clear-felled forest areas in most cases results in, a) reduction of root rot in the next forest generation, b) improved seedling establishment, and c) increased tree growth and stand productivity. Observed disturbances caused to a site by stumping operations are normally acceptable. The available data strongly suggests that possibly many (if achievable, all) rot-containing stumps must be removed during harvesting of stumps. Provided equal availability, the priority should be given for stump removal from root rot-infested forest areas, instead of healthy ones. As most studies were done in North America and Britain, several questions must be yet answered under Fennoscandian conditions: a) if and to which extent the conventional stump removal for biofuel on clear-felled sites could reduce the occurrence of Heterobasidion and Armillaria in the next forest generation, b) what impact is it likely to have on survival of replanted tree seedlings, and c) what consequences will there be for growth and productivity of next forest generation.

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Section: Figmentioning

confidence: 62%

Section: Thoroughness Of the Removalmentioning

confidence: 99%

Section: Equipment and Techniquesmentioning

confidence: 99%

Section: Equipment and Techniquesmentioning

confidence: 99%

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Stump removal to control root rot in forest stands. A literature study

Vasaitis

Stenlid

Thomsen³

et al. 2008

Silva Fenn.

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“…For application on the stumps, during or immediately after felling asexual spores (oidia) are spread in high densities (ca. 200-1000 spores/cm 2 ) in mechanical or hand-held application in order to quickly germinate and invade the substrate, thereby eliminating the chance for Heterobasidion to occupy the same (Gibbs et al 2002, Thor & Stenlid 2005. Thus, the main principle of antagonism resides in competition for the wooden substrate.…”

Section: Heterobasidion -Successful Biological Control In Naturementioning

confidence: 99%

Wood production, wood technology, and biotechnological impacts

Kües¹

2007

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The saprobic and fruiting abilities of the exotic forest pathogen Heterobasidion irregulare may explain its invasiveness

et al. 2013

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The North American fungal pathogen Heterobasidion irregulare is invading and threatening pine stands in Italy and is freely hybridizing with the native species H. annosum. Susceptibility of native hosts has been excluded as a factor driving H. irregulare invasion. Here we tested whether H. irregulare and H. annosum differ in their ability to saprobically colonize pine wood, and whether saprobic growth is correlated to fruiting bodies production. When inoculated in pine logs, H. irregulare genotypes colonized a volume of wood significantly larger than H. annosum genotypes. Heterobasidion irregulare significantly exceeded H. annosum in all parameters used as metrics of fruiting body production, including number and size of fruiting bodies, and PPI, an index summarizing the amount of surface available for spore production. Number of fruiting bodies and PPI were significantly correlated with volume of wood colonized by Heterobasidion genotypes. Results may explain why H. irregulare has been reported to sporulate more abundantly than H. annosum and provide explanations for its high transmission potential in Italy. This knowledge implies that approaches to control the spread of H. irregulare should be aimed at limiting saprobic establishment of the fungus rather than focusing on identifying more tolerant tree species.

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Fomes root rot in Thetford Forest, East Anglia: past, present and future

Cited by 23 publications

References 0 publications

Stump removal to control root rot in forest stands. A literature study

Stump removal to control root rot in forest stands. A literature study

Wood production, wood technology, and biotechnological impacts

The saprobic and fruiting abilities of the exotic forest pathogen Heterobasidion irregulare may explain its invasiveness

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