Stump injections with soil fumigants to eradicate <i>Armillariella</i><i>mellea</i> from young-growth ponderosa pine killed by root rot

Filip, Gregory M.; Roth, Lewis F.

doi:10.1139/x77-032

Cited by 36 publications

(15 citation statements)

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“…Fungicides are ineffective against Armillaria and similar root rots, but soil fumigation may be worthwhile (e.g. Filip and Roth 1977).…”

Section: Diseases In Seed Orchardsmentioning

confidence: 99%

Management of pathogens in seed orchards and nurseries

Sutherland¹

1991

The Forestry Chronicle

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The biology, damage and impact, and recent innovations in management of the major diseases affecting seed orchard trees and cones and forest nursery seedlings across Canada are discussed. Specific diseases covered are Armillaria root rot (A. ostoyae) and inland spruce cone rust (Chrysomyxa pirolata) in seed orchards, afid damping-off and root rots, especially Cylindrocladiumjloridanum, and gray (Botrytis cinerea) and storage moulds of forest nursery seedlings. Areas needing research are also mentioned.Key words: Root rots, cone rust, damping-off, gray mould, storage moulds La biologie, les dtgats et leurs impacts, ainsi que les recents progrks en gestion des principales maladies affectant les arbres de verger h graines, les cbnes et les semis des pepinibres forestibres du Canada sont prtsentts dans cet article. Les maladies specifiquement abordtes sont le pourridit-agaric (A. ostoyae) et la rouille des cbnes de l'tpinette de l'interieur (Chrysomyxa pirolata) dans les vergers h graines, la fonte des semis et les rouilles des racines, sptcialement Cylindrocladiumjloridanum, et la moisissure grise (Botrytis cinerea) ainsi que les moisissures d'entreposage des semis forestiers. Les domaines ntcessitant plus de recherche sont aussi mentionnes.

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“…Fungicides are ineffective against Armillaria and similar root rots, but soil fumigation may be worthwhile (e.g. Filip and Roth 1977).…”

Section: Diseases In Seed Orchardsmentioning

confidence: 99%

Management of pathogens in seed orchards and nurseries

Sutherland¹

1991

The Forestry Chronicle

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“…CS 2 has known bacteriostatic (Bremner and Bundy, 1974;Malhi and Nyborg, 1982), fungicidal (Bliss, 1951;Munnecke et al, 1973;Filip and Roth, 1977), nematicidal (Chandler, 1969), and insecticidal (Punj and Girish, 1969) properties. Some plants emit CS 2.…”

Section: Introductionmentioning

confidence: 99%

Effects of drought and root injury on plant-generated CS2 emissions in soil

Hartel

Reeder

1993

Plant Soil

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Conditions under which some plants emit carbon disulfide (CS2) in the soil are unknown. A pot assembly was constructed to measure soil CS 2 emissions by Mimosa pudica under conditions of undisturbed growth, root injury, and drought stress. When M. pudica was grown without disturbance, soil CS 2 emissions were below the limit of detection (~<0.1 ngCS2 mL -I) for the entire 8-wk sampling period. However, when the roots of 6-wk-old M. pudica plants were cut to a depth of 10cm, a maximum of 0.5 and 0.4ngCSzmL -I was emitted within minutes at the 5-and 10-cm depths, respectively. These emissions declined slowly to undetectable levels after 50 min. No detectable CS 2 emissions were observed at the 0-and 15-cm depths. No CS 2 was emitted when 6-wk-old M. pudica plants were subjected to drought stress, however, when the same plants were watered, a maximum of 0.3, 0.4, and 0.5 ng CS 2 mL -1 was emitted within minutes at the 5-, 10-and 15-cm depths, respectively. These emissions were detectable for at least 2hr at the 10-and 15-cm depths. No detectable CS 2 emissions were observed at the 0-cm depth after watering. No detectable CS 2 emissions were observed at any depth under any conditions of undisturbed growth, root injury, or drought stress followed by watering for assemblies containing either no plants or Albizia julibrissin, a plant that is closely related to M. pudica but does not emit CS 2. Mimosa pudica emitted detectable CS 2 under conditions of root injury and rewetting of dry soil but not under conditions of undisturbed growth. Release of such a biocidal sulfide only during conditions of root injury or rewetting of dry soil would be advantageous to M. pudica.

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“…The most frequently advocated methods of control against Armillaria species are physical removal of stumps and large roots (Doepel, 1962;Roth, Rolph & Cooley, 1980), soil fumigation around infected hosts or direct injection of fumigants into infected hosts (Filip & Roth, 1977;Munnecke et al, 1981) However, these methods can be cost-prohibitive in forests, and the use of fumigants toxic to other soil microorganisms, fauna and stump decay fungi, may render them environmentally unacceptable (SchCitt, 1985). Biological control methods may be a viable alternative, as ecological studies and field inoculation trials in other parts of the world have indicated that saprophytic stump-inhabiting fungi may be natural and/or potential competitors against root infecting fungi such as Armillaria species, Heterobasidion annosum (Fr.)…”

Section: Introductionmentioning

confidence: 99%

Stump colonization by Armillaria luteobubalina and other wood decay fungi in an age series of cut‐over stumps in karri (Eucalyptus diversicolor) regrowth forests in south‐western Australia

Pearce

Malajczuk

1990

New Phytologist

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summary As part of a study of interactions between Armillaria luteobubalina Watling and Kile and other wood decay fungi, we conducted a three‐year floristic survey of fungal colonization of 150 eucalypt stumps (left after clearfelling of mature forest) in a series of karri (Eucalyptus diversicolor F. Muell.) regrowth stands of different ages. Certain fungi showed preferences for different eucalypt species or parts of stumps in their choice of food base. A successional trend of fungal species was evident in the age series of stumps (0–16 yr after logging). There was no significant relationship between the absence of A. luteobubalina and the presence of other fungal species on stumps, but there was a significant correlation between the percent stump base colonized by A. luteobubalina and presence of other fungi, indicating some degree of natural suppression of A. luteobubalina. More than 80 wood decay fungi were observed on stumps, some of which are cosmopolitan, such as Coriolus versicolor (L. ex Fr.) Quel. and Stereum hirsutum (Wild, ex Fr.) S.F. Gray, but a number of which are yet undescribed.

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Stump injections with soil fumigants to eradicate Armillariellamellea from young-growth ponderosa pine killed by root rot

Cited by 36 publications

References 0 publications

Management of pathogens in seed orchards and nurseries

Management of pathogens in seed orchards and nurseries

Effects of drought and root injury on plant-generated CS2 emissions in soil

Stump colonization by Armillaria luteobubalina and other wood decay fungi in an age series of cut‐over stumps in karri (Eucalyptus diversicolor) regrowth forests in south‐western Australia

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