Fungicide Injection for the Control of Dutch Elm Disease

Gibbs, J. N.; Dickinson, J. C.

doi:10.1093/forestry/48.2.165

Cited by 20 publications

(12 citation statements)

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“…Arbotect was clearly very effective against DED as a prophylactic or therapeutic treatment. This corroborates previous rigorous studies (3,5,11) demonstrating the usefulness of this material for combating DED. Possible therapeutic benefit of the other three materials is suggested but not statistically demonstrated by our results or any Fungi-Sol and Binab appeared to have significant prophylactic effect.…”

Section: Discussionsupporting

confidence: 92%

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Fungicides for Dutch Elm Disease: Comparative Evaluation of Commercial Products

Lanier¹

1987

AUF

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The commercial fungicide formulations, Arbotect 20-S, Phyton-27, Fungi-Sol, and biological product, Binab-T, were injected into juvenile (ave. 17.5 cm diameter) American elms prior to (prophylactic) or after (therapeutic) the trees were inoculated with the Dutch elm disease (DED)-causing fungus, Ceratocystis ulmi. Samples of all trees were cultured to verify establishment of C. ulmi and DED symptom development was monitored for two growing seasons. At the end of the second growing season none of 20 Arbotect-injected trees (prophylactic and therapeutic) displayed DED symptoms. Fungi-Sol and Binab prophylactic groups (5 and 10 trees, respectively) contained significantly fewer diseased trees than the control group, but no treatment, other than Arbotect, showed significant therapeutic effect. Sapwood damage associated with each of the treatments was greater than that associated with injection of water. Discolored sapwood was localized around injection sites in Fungi-Sol and Binab-treated trees, but extended a maximum of 2 m and 6 m, respectively, above the points of injection of Arbotect and Phyton. Injection holes were overgrown and closed for all water, Fungi-Sol, and Binab treatments while one Arbotect and five Phyton-treated elms had injection holes that remained open and were weeping with bacterial slime flux. Two trees treated with a high dosage of Phyton had an aggregate of five open lesions associated with injection holes.

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Section: Discussionsupporting

confidence: 92%

“…Benzimidazol compounds used in Arbotect and Lignasan® (= Elmosan® , Elm Fungicide® ) have been conclusively demonstrated to suppress C. ulmi and symptom development (3,4,12). The active molecules in the two products are about equally effective, but the activity of Arbotect persists longer (6,10,11).…”

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confidence: 99%

Fungicides for Dutch Elm Disease: Comparative Evaluation of Commercial Products

Lanier¹

1987

AUF

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“…Dimond et al, 1949) have been followed by many recent papers e.g. Gregory et al, 1971;Kondo et al, 1973;McWain and Gregory, 1973;Prasad and Travnick, 1973;Smalley et al, 1973;Van Alfen and Walton, 1974;Gibbs and Clifford, 1974;Gibbs and Dickinson, 1975;Clifford et al, 1976b.…”

Section: Introductionmentioning

confidence: 98%

Distribution and performance of chemicals injected into trees for the control of fungal diseases

1977

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Control of Dutch elm disease (DED) and of powdery mildew, by injecting formulations of carbendazim and other compounds into the trunk of elm or apple trees, was limited by irregular distribution of fungitoxicant within the tree.The acid (but not methanol) content of carbendazim formulations influenced protectant activity against DED; no material tested was effective as an eradicant.Thiabendazole hypophosphite was phytotoxic to elms, gave control of DED inferior to carbendazim and was ineffective against powdery mildew on apple.

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“…The injection of diseased trees or those of poor vigor with a wide variety of therapeutic materials is currently receiving a great amount of attention (Gibbs and Dickinson 1975, Van Alfen and Walton 1974, Gibbs and Clifford 1974, Gregory and Jones 1973. The benefits to the tree are often obvious externally, but little is known about the internal effects of the injections.…”

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confidence: 99%

“…Many factors can affect the internal condition of an injected tree: the type, position, and number of wounds; the skill of the operator; the condition of the tree at time of injection; the type and amount of material introduced; and the time of year of injection. Some of these same factors may affect the rate of uptake of the chemicals (Gibbs and Dickinson 1975).…”

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confidence: 99%

Some Internal Effects of Mauget Tree Injections

Shigo¹,

Money²,

Dodds³

1977

AUF

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Negligible amounts of discolored wood and cambial dieback were associated with control Mauget injection wounds (no chemicals added) made 1 year earlier on red maple, white oak, and shagbark hickory. Columns of discolored wood and some cambial dieback were associated with wounds that had been injected with Bidrin or Meta Systox•R. Columns of discolored wood and very little cambial dieback were associated with wounds that had been injected with Fungisol or Stemix. Injured tissues associated with all wounds were compartmentalized in the wood present at the time of injection; wood that formed subsequently was not infected.

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Fungicide Injection for the Control of Dutch Elm Disease

Cited by 20 publications

References 0 publications

Fungicides for Dutch Elm Disease: Comparative Evaluation of Commercial Products

Fungicides for Dutch Elm Disease: Comparative Evaluation of Commercial Products

Distribution and performance of chemicals injected into trees for the control of fungal diseases

Some Internal Effects of Mauget Tree Injections

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