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    Pesticides alternative strategy for Reduction of Insect (Hylobius abietis, Large pine weevil)
    Author(s):
    Publication Year: 2014
    Source:
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    Subject Keywords: Pesticides Chemicals
    Regions: Northern Europe, Europe
    Countries: Sweden
    Forest Zones:
    Forest Type:
    Tenure Ownership:
    Tenure Management:
    Alternative Strategy: A new method for the physical protection of conifer seedlings against feeding damage by Hylobius abietis, is described and evaluated in field trials in Swedish forest plantations Nordlander et al (2009)5. A mixture of fine sand and a 'glue' dispersion is used to protect the seedlings:The lower 60% of the stem of the seedling is protected by the Conniflex coating, consisting of fine sand (grain size = 0.2 mm) embedded in an acrylate dispersion that remains flexible after drying.Seedlings are treated in the nursery by a large-scale application procedure involving four steps: (i) spraying the seedlings with water; (ii) application of fixative to the lower sections of the stems, (iii) application of fine sand to the fixative; and (iv) drying of the fixative.A field experiment over three seasons demonstrated a significant increase in survival.for coated seedlings compared with untreated seedlings. The survival rate increased from 29% to 97% for Scots pine and from 26% to 86% for Norway spruce. Coating the lower 30% of the stem (instead of 60%) provided inferior protection, resulting in only 64% survival in spruce.Field trials in 11 commercial plantation areas indicated that the Conniflex sand coating was as effective in protecting seedlings as treatment with the insecticide imidacloprid.The new method of coating conifer seedlings with fine sand provides an effective and environmentally sound alternative to insecticide treatment.Successful protection was also showed using wax coating (Watson 1999)6, and latex coating (Shtykova et al. 2008)7.
    Alternative Method: Reduction
    Active Ingredient:
    Alternative Trial: Yes
    Alternative Type: Specific strategy
    Pest Type: Insect
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    Pesticides alternative strategy for Removal of Insect (Hylobius abietis, Large pine weevil)
    Author(s):
    Publication Year: 2014
    Source:
    Publication Type:
    Code:
    Sustainability dimension(s):
    Topics:
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    Subject Keywords: Pesticides Chemicals
    Regions: Northern Europe, Europe
    Countries: Sweden
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    Forest Type:
    Tenure Ownership:
    Tenure Management:
    Alternative Strategy: Breeding parasite resistance in Populus. Enhancing the defence of conifer seedlings Emission of volatiles from conifer seedlings. The aim is to identify attractants and repellents for the pine weevil.
    Alternative Method: Removal
    Active Ingredient:
    Alternative Trial: Yes
    Alternative Type: Ongoing research
    Pest Type: Insect
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  • Thumbnail Image
    Pesticides alternative strategy for Reduction of Insect (Hylobius abietis, Large pine weevil)
    Author(s):
    Publication Year: 2014
    Source:
    Publication Type:
    Code:
    Sustainability dimension(s):
    Topics:
    Subtopics:
    Subject Keywords: Pesticides Chemicals
    Regions: Northern Europe, Europe
    Countries: Sweden
    Forest Zones:
    Forest Type:
    Tenure Ownership:
    Tenure Management:
    Alternative Strategy: Combining a shelterwood system with scarification and feeding barriers, the mortality of spruce seedlings due to pine weevil could be reduced to below 10% in Sweden (Petersson 2004).7
    Alternative Method: Reduction
    Active Ingredient:
    Alternative Trial: Yes
    Alternative Type: Specific strategy
    Pest Type: Insect
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