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Fenomenal

Fenomenal (active substances: fenamidone and fosetyl-aluminium) controls soil-borne Phytophthora – crown/collar rot – in strawberries. Its curative and protectant disease control is boosted by stimulation of the plant’s natural defences. Used early as a dip followed by a drench or drip irrigation, Fenomenal gives your plants an outstanding start.

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What is Fenomenal?

A fungicide with protectant and systemic activity against soil borne Phytophthora and Pythium infections of strawberries.

Product Profile

Active substance

60 g/kg fenamidone
600 g/kg fosetyl-aluminium

Formulation Water dispersible granule (WG)
Pack Size 1 kg
Water Volume
See 'How and when to apply'
Buffer Zone Category B 5m - reducible by LERAP
MAPP 15494

Important Information - Strawberry* (outdoor and protected)

Max. individual dose
Max. total dose
Max. number of treatments (per year)
Latest time of application

150g product / 100 L water (dip treatment - 50 ml diluent per plant equivalent to 3 kg product/ha)

See restrictions below - 35 days before harvest
AND/OR
     
75g product / 100 L water (drench treatment - 100 ml diluent per plant equivalent to 3 kg product/ha) See restrictions below - 35 days before harvest
AND/OR
     
75g product / 100 L water (via drip irrigation system - 100 ml diluent per plant equivalent to 3 kg product/ha) See restrictions below - 35 days before harvest
AND/OR
     
4.5 kg product/ha (foliar spray) See restrictions below - 35 days before harvest

* Fenomenal also has an EAMU for wine grapes (See When and how to apply)

Restrictions

A maximum of 2 applications are allowed per year to strawberry, 1 dip + 1 drench or 1 dip + 1 drip irrigation or 1 dip + 1 spray or 1 drench + 1 drip irrigation or 1 drench + 1 spray or 1 drip irrigation + 1 spray or 2 drench or 2 drip irrigation.

If the strawberry crop is intended for processing consult the processor before use of Fenomenal.

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Why you need Fenomenal

Fenomenal is recommended for control of a range of Pythium and Phytophthora species that can either kill or greatly reduce the vigour, quality and productivity of strawberry plants.

Early treatment with a fungicide is essential in high-risk situations as treatments are most effective in a preventative regime. Good cultural practice, particularly with respect to soil moisture management can offset the need for fungicide or be used as part of an integrated approach to keep these diseases at bay; plants in regularly saturated soils are at highest risk of infection.

  • Flexible application timing
  • Built-in resistance management
  • Stimulates plants’ natural defence mechanisms
  • Promotes root growth
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When and how to apply

On strawberries Fenomenal is authorised for control of Phytophthora cactorum  – crown/collar rot – and moderate control with spray application.

Fenomenal may be applied to strawberries as a pre-transplantation dip, post-transplantation drip, drench or foliar spray. Maximum number of applications is 2 per year – including a maximum of only 1 foliar spray per year – using any of the following treatment sequences:

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Dip Treatment

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Fenomenal may be applied as a pre transplantation dip treatment for traditional and refrigerated ‘Frigo’ transplants.

Prepare a dip solution containing 150 g of Fenomenal per 100 L of water in a suitable vessel allowing 50 ml of diluent per plant.

Hose down dirty plants before dipping

Dip all roots of the runners for 15 to 20 minutes.

After dipping, allow to dry, before planting immediately.

If necessary top up the dip solution with the same concentration of diluent (150 g Fenomenal per
 100 L water).

Prepare a fresh suspension every 2 days (or earlier if it becomes too dirty).

100 litres will treat approximately 2,000 runners, depending on cleanliness of the plants.

The maximum rate of product per crop for pre-transplantation dip treatment must not exceed 3 kg product/ha per year (which is equivalent to 40,000 plants/ha treated at the above rate).

Drench Treatment

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Fenomenal may be applied as a post-transplantation drench treatment for traditional or refrigerated ‘Frigo’ transplants.

For best results thoroughly saturate the growing medium before application.

For refrigerated ‘Frigo’ plants, for cropping in year of planting. Prepare a drench solution of 75 g of Fenomenal per 100 L of water; drench each plant with 100 ml of drench solution 2 weeks after planting.

For traditional plantings, planted in the previous year to the year of cropping. Prepare a drench solution of 75 g of Fenomenal per 100 L of water; drench each plant with 100 ml of drench solution 2 weeks after planting. A second application may be made in the following spring at re-growth.

The maximum individual application rate of product for post-transplantation drench treatment must not exceed 3 kg product/ha.

Drip Treatment

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Fenomenal may be applied as a post-transplantation drip treatment for traditional or refrigerated ‘Frigo’ transplants.

When applying by trickle irrigation systems Fenomenal should either be diluted in a bulk tank or through an injecter type diluter. Refer to equipment manufacturers’ guidance for use on equipment.

For refrigerated ‘Frigo’ plants, for cropping in year of planting. Run through the irrigation system at a rate not exceeding 3 kg/ha at a water volume of 100ml diluent per plant, 2 weeks after planting.

For traditional plantings, planted in the previous year to the year of cropping. Run through the irrigation system at a rate not exceeding 3 kg/ha at a water volume of 100 ml diluent per plant, 2 weeks after planting. A second application may be made in the following spring at re-growth.

The maximum individual application rate of product for post-transplantation drip irrigation treatment must not exceed 3 kg product/ha.

Two drip irrigation applications are permitted per year.

Spray Treatment

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Fenomenal may be applied as a post-transplantation spray treatment for traditional or refrigerated ‘Frigo’ transplants. Spray application achieves moderate control of crown/collar rot (Phytophthora cactorum)

For refrigerated ‘Frigo’ plants, for cropping in year of planting. Fenomenal may be applied as a foliar spray 2 weeks after planting at a maximum individual dose of 4.5 kg product/ha. Use a high water volume (1,000-2000L/ha) to ensure thorough penetration to the crown of the strawberry plant

For traditional plantings, planted in the previous year to the year of cropping. Fenomenal may be applied as a foliar spray 2 weeks after planting at a maximum individual dose of 4.5 kg product/ha. Use a high water volume (1,000-2000 L/ha) to ensure thorough penetration to the crown of the strawberry plant. A second application may be made in the following spring at re-growth.

Avoid spraying within 5 m of the field boundary to reduce effects on non-target insects or other arthropods.

The maximum rate of product per crop as a post transplantation spray treatment must not exceed 4.5 kg product/ha per year.

EAMU – Wine grapes

This Extension of Authorisation relates to the use of Fenomenal for the control of downy mildew (Plasmopara viticola) in grapevines grown for wine grape production.

Applications to be made to grapevines via mounted hydraulic and ‘air assisted orchard sprayer’ in a minimum water volume of 400 litres.

Max. individual dose (kg product / ha)

Max. number of treatments (per crop)

Latest time of application

EAMU number

2.2

3

35 days before harvest

0214 of 2013

Neither the efficacy nor the phytotoxicity of the product for which this Extension of authorisation has been granted has been assessed and, as such, the user bears the risk in respect of failures concerning its efficacy and phytotoxicity.

 

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Resistance Management

Apply fungicides according to manufacturer’s recommendations for the target disease (or complex)
 at the specific crop growth stage indicated. Effective disease management is a critical parameter in delaying the build-up of resistant pathogen populations. Fenomenal is best used preventatively and should not be relied on for its curative potential.

Fenomenal is a mixture of two fungicides with different modes of action – fenamidone belongs to the imidazolinone class of chemistry and inhibits mitochondrial respiration (Qo-I type mode of action), whereas fosetyl-Al belongs to the phosphonates class of chemistry. The precise mode of action
for the phosphonates is currently unknown. Fosetyl-Al penetrates the plant and acts against spore germination, mycelial development and sporulation through direct inhibition of mitochondrial respiration It also has an important effect on activating the plant’s own defence mechanisms against disease pathogens.

Use Fenomenal as part of an Integrated Crop Management (ICM) strategy incorporating other methods of control, including where appropriate other fungicides with a different mode of action.
Use of fungicides which have different modes of action have been shown to protect against the development of resistant forms of disease.

The possible development of disease strains resistant to Fenomenal cannot be excluded or predicted. Where such resistant strains occur, Fenomenal is unlikely to give satisfactory control.

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ALWAYS READ THE LABEL BEFORE USE.

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