Silvashield Injectable Tree Insecticide (Imidacloprid)

Silvashield Injectable Tree Insecticide is a soluble liquid formulation made from Imidacloprid for use via trunk or stem injection for the control of a range of insect pests in trees

Silvashield Injectable Tree Insecticide is the most environmentally sound way to achieve insect control in trees.

Active Ingredient: imidacloprid @ 200g/L

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Silvashield Injectable Tree Insecticide (Imidacloprid) SILVASHIELD Bayer CropScience

Description

SILVASHIELD INJECTABLE TREE INSECTICIDE

Active Ingredient: imidacloprid @ 200g/L

Silvashield Injectable Tree Insecticide is the most environmentally sound way to achieve insect control in trees. SilvaShield is an injectable insect pest control for trees.  SilvaShield is a soluble liquid formulation for use via trunk or stem injection for the control of a range of insect pests in trees as per the directions for use.

SilvaShield Injectable Tree Insecticide is a novel formulation of imidacloprid developed specifically for direct injection into trees. The unique formulation enhances systemic uptake and distribution of imidacloprid in the tree allowing much lower rates of active ingredient compared to alternative application methods such as soil injection. A single treatment can provide extended protection against various insect pests with minimal impact on non-target organisms.

TARGET PESTS:

  • Thaumastocoris bugs and leaf blister sawfly larvae (eucalypt trees)
  • Sycamore lace bugs London plane trees)
  • Fig leaf beetle (fig trees)
  • Flatid (Pandanus).

AREAS OF USE:

Various tree species in

  • Gardens
  • Parks
  • Forests
  • Picnic grounds
  • Streetscapes and other areas where protection of trees is warranted.

WHEN TO USE: 

All year round

PACK SIZE: 1-Litre

REGISTRANT: Bayer Crop Science P/L (APVMA #: 62475)

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Features & Benefits

  • Contains the active ingredient Imidacloprid
  • Formulated specifically for injection into trees
  • Provides long term protection of trees against insect damage
  • The trunk injection application method provides greater flexibility in terms of site conditions than soil injection (eg. trees surrounded by pavements or roadsides)
  • Minimal off-target impact (active ingredient is placed right into the tree where it is needed)
  • Lower levels of chemical used compared to soil injection
  • No additional water required for treatment
  • Provides faster results than soil injection
  • Depending on the injection system used, trunk injection is less labour-intensive than soil injection
  • Compatible with many types of application equipment

Directions Of Use

USE RATE & GENERAL INSTRUCTIONS:

3-5 mL product / 10 cm tree  diameter at breast height (dbh), applied using dedicated tree  injection equipment

RESTRAINTS:

  • SilvaShield is intended to be applied undiluted (do not attempt to dilute product with water).
  • Space injection points evenly around the circumference of the tree.
  • Do not use on fruit or nut trees intended for food use.
  • Do not use on trees likely to be used by commercial beehives.
  • In all situations, application post-flowering is recommended.
SITUATION PEST RATE CRITICAL COMMENTS
Eucalypt trees Thaumastocoris bugs 3-5 mL product/ 10 cm dbh (diameter at breast height) Use dedicated tree injection equipment to apply the chemical. Space injection holes approximately 30cm apart around the circumference of the tree. Apply 3 – 5 mL of chemical in each hole and seal the hole. DO NOT reapply in the same holes. Spacing of injection holes should be vertically and horizontally staggered so that they are not aligned with other holes.
Eucalypt trees Leaf-blister sawfly larvae 3-5 mL product/ 10 cm dbh (diameter at breast height) Use dedicated tree injection equipment to apply the chemical. Space injection holes approximately 30cm apart around the circumference of the tree. Apply 3 – 5 mL of chemical in each hole and seal the hole. DO NOT reapply in the same holes. Spacing of injection holes should be vertically and horizontally staggered so that they are not aligned with other holes.
Fig Trees Fig Leaf Beetle 3-5 mL product/ 10 cm dbh (diameter at breast height) Use dedicated tree injection equipment to apply the chemical. Space injection holes approximately 30cm apart around the circumference of the tree. Apply 3 – 5 mL of chemical in each hole and seal the hole. DO NOT reapply in the same holes. Spacing of injection holes should be vertically and horizontally staggered so that they are not aligned with other holes.
London plane trees Sycamore lace bug (Corythucha ciliata) 3-5 mL product/ 10 cm dbh (diameter at breast height) Use dedicated tree injection equipment to apply the chemical. Space injection holes approximately 30cm apart around the circumference of the tree. Apply 3 – 5 mL of chemical in each hole and seal the hole. DO NOT reapply in the same holes. Spacing of injection holes should be vertically and horizontally staggered so that they are not aligned with other holes.
Elm trees Elm leaf beetle (Pyrrhalta luteola) 5 mL product/10cm dbh Use dedicated tree injection equipment to apply the chemical. Space injection holes approximately 15 cm apart around the circumference of the tree. Spacing of injection holes should be vertically and horizontally staggered so that they are not aligned with other holes. Avoid application beneath areas of rot, wounding or other areas where vertical systemic uptake may be blocked within the tree. Where possible inject directly in line beneath branches or limbs. Seal injection holes after application. DO NOT reapply in the same holes. Patchy results may occur if injection holes are not well placed.
Pandanus Flatid 3.5 mL per hole Drill one hole per limb (or trunk in single trunked trees) using dedicated tree injection equipment. Apply 3.5 mL of chemical in each hole and seal the hole. DO NOT reapply in the same holes. Uptake and therefore control of the pest in heavily infested heads already showing severe damage, will be slow and may be incomplete.

Refer to directions of use for full mixing rate and application instructions prior to use.

Silvashield Injectable Tree Insecticide Label

Host / Pest & Dosage Information

Host Pest
Host & Pest
Elm Tree Elm Leaf Beetle
Eucalyptus Tree Leaf Blister, Sawfly - Larva, Thaumastocoris Bug
Fig Fig Leafhopper
Pandanus Tree Flatid
Tree - See Label For Variety Sycamore Lace Bug

No dilution is required; this product is intended to be applied undiluted directly into the trunk or branches of trees in order to provide systemic control of insect pests.

SilvaShield Injectable Tree Insecticide can be used as directed on ornamental trees in residential areas, business and office complexes, shopping complexes, multi-family residential complexes, golf courses, airports, cemeteries, parks, playgrounds, and athletic fields. SilvaShield also can be used in commercial forestry production, nurseries, greenhouses, and in state, federal, county and local recreational forests.

The active ingredient in SilvaShield Injectable Tree Insecticide has sufficient residual activity so that applications can be made preceding the attack of the trees by target pests. SilvaShield Injectable also controls existing infestations of most labelled pests. If the level of infestation is severe, the high label rate for the targeted pest is recommended.

Systemic activity occurs only after the active ingredient is translocated upwards in the tree. In some cases, translocation can take 10 days or longer, depending on the transpiration rate of the treated plant. The need for an application can be based on historical monitoring of the site, previous records or experiences, current season adult trapping or other methods. For best results (i.e., to ensure uptake), application should be made when the tree is actively transpiring. Less than satisfactory results, including slow or reduced impact on beetles and larvae, may occur if trees are suffering from lack of moisture, thereby reducing translocation of the active ingredient.

For best results, dedicated injection equipment is recommended.

Do not use on fruit or nut trees intended for food use. Do not use on trees likely to be used by commercial beehives (see additional information on label).

COMPARISON OF TRUNK INJECTION VS SOIL INJECTION:

To compare the amount of active ingredient applied between soil injection with a suspension concentrate and trunk injection with SilvaShield

For a 50 cm diameter tree, at label rates, 28 g of active ingredient would be required via soil injection whereas only 3-5 g of active ingredient would be required via trunk injection

FAQ’s:

HOW EASY IS IT TO INJECT TREES?

Appropriate injection equipment is necessary in order to efficiently and effectively use this product. A certain level of expertise is also required to ensure that injection is carried out properly. It is recommended that trained arborists or otherwise experienced or qualified persons carry out the treatment with this product.

HOW LONG DOES IT TAKE TO INJECT A LARGE TREE?

Depending on the application equipment used and the level of expertise of the person carrying out the treatment a large tree (eg. 100 cm in diameter) can take as little as 10 minutes to treat.

DOES INJECTION DAMAGE THE TREE?

The chemical itself has been shown not to cause significant damage to a wide range of tree species when injected directly using a number of different injector systems. Trials have shown that compartmentalisation of the injection points occurs after application and there is no evidence to suggest that direct trunk injection causes any long-term structural or physiological damage to the tree.

HOW DOES TRUNK INJECTION PROTECT THE REST OF THE TREE?

The active ingredient in SilvaShield is imidacloprid which is taken up systemically through the tree vascular system and distributed to areas such as the leaves.

HOW LONG DOES TREATMENT WITH SILVASHIELD PROTECT THE TREE?

Trials with eucalypts and thaumastocoris have shown that a single treatment of SilvaShield can control insect numbers for a period of 3 years. The length of protection conferred against other pests in other tree species has not been determined but there is evidence from other applications to suggest that extended protection could be expected.

WITHHOLDING PERIOD DETAILS (WHP): 

Not applicable when used as directed

Silvashield Injectable Tree Insecticide Label Download Pdf
Silvashield Injectable Tree Insecticide SDS Download Pdf
Silvashield Injectable Tree Insecticide Technical Brochure Download Pdf

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