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Teldor® 500 SC Fungicide

Advanced botrytis control. Teldor is the leading fungicide for controlling botrytis (bunch rot) in grapes. Teldor also controls botrytis (grey mould) on strawberries.Teldor has no adverse impacts on fermentation or the taste of wine, and prevents laccase and polysaccharide formation (which can damage flavour). Like most Bayer products for use in horticulture, Teldor is ‘soft’ on beneficial insects (when used as directed) and fits very well into an IPM program. It can be applied at various stages throughout the crop growth cycle.

Product Type
Fungicide
Active Ingredient
fenhexamid 500 g/L
Formulation Type
Suspension concentrate
Pack Size
5 L
5 L
Chemical Group
17

Key Features

Safe on beneficial insects:

When used as directed, fits within Integrated Pest Management (IPM) programs.

Disease control:

Highly specialized botryticide, highly compatible with biological antagonists of botrytis.

Long-Last efficacy:

Rain fast within one hour with strong preventative activity.

Crop Suitability

Application Usage Notes
Grapes Grey mould Registered in NT, QLD, NSW, Vic, SA, Tas, WA, ACT
Strawberries Grey mould Registered in NT, QLD, NSW, Vic, SA, Tas, WA, ACT

Compatibility

Product Comment
Agridex® + Movento® 240 SC Physically compatible.
Avatar® 400 Physically compatible.
Bayfidan® 250 EC Physically compatible.
Bayfidan 250 EC + Foli-R-Fos® 400  Physically compatible. 
Boron  Physically compatible. Constant agitation required - on standing settlling will occur. 
Bull Kelp® Plus  Physically compatible. Constant agitation required - on standing settlling will occur. 
Confidor® 200 SC  Physically compatible. 
Essential® Plus/Reach  Physically compatible. Constant agitation required - on standing settlling will occur. 
Firmrite® Hi B  Physically compatible. 
Flint® 500 WG + Foli-R-Fos  Physically compatible. 
Foli-R-Fos 400  Physically compatible. 
Folicur® 430 SC  Physically compatible. 
Folicur 430 SC + Foli-R-Fos  Physically compatible. 
Gripper® C Trace Magnesium  Physically compatible. Constant agitation required - on standing settlling will occur. 
Gripper Calcium  Physically compatible. 
Gripper Magnesium  Physically compatible. Constant agitation required - on standing settlling will occur. 
K Blast® 30  Physically compatible. Constant agitation required - on standing settlling will occur. 
Luna® Privilege 500 SC  Physically compatible. 
Luna Privilege 500 SC + Blue Shield 500 DF  Physically compatible. Constant agitation required - on standing settlling will occur. 
Luna Privilege 500 SC + Ridomil® Gold Plus  Physically compatible. Constant agitation required - on standing settlling will occur. 
Proclaim® 44 WG  Physically compatible. 
Smartrace® Calcium  Physically compatible. Constant agitation required - on standing settlling will occur. 
Smartrace Magnesium  Physically compatible. Constant agitation required - on standing settlling will occur. 
Spray Cal Mag  Physically compatible. Constant agitation required - on standing settlling will occur. 
Spraygro® Base  NOT compatible in HARD water (flocculation occurs). Compatible in soft water - constant agitation required. On standing settling will occur. 
Spraygro Result  Physically compatible. Constant agitation required - on standing settlling will occur. 
Sprayphos® 620  Physically compatible. Constant agitation required - on standing settlling will occur. 
Success® 120 SC  Physically compatible. 
Tokuthion® 500 EC  Physically compatible. 

Resources

Teldor 500 SC Fungicide SDS

Teldor 500 SC Fungicide Product Label

Teldor at Coonawarra

Teldor 500 SC Crop Guide

FAQs

Question Answer
1 Is Teldor similar to other botryticides used on grapes? No, Teldor is the only Group 17 (hydroxyanilides) fungicide to be registered in Australia. Group 17 is a unique fungicide group and fenhexamid (the active ingredient of Teldor) was developed by Bayer.
2 Is Teldor just a surface protectant? No, approximately 75% of fenhexamid applied moves past the surface, most of this is absorbed into the waxy layer of the cuticle, with the remainder moving through into the plant tissue. This property gives Teldor its long lasting, rain-fast ability. Teldor is best used in a preventative program.
3 Where does Teldor fit in a botrytis resistance management strategy? Although botrytis has the ability to become resistant to all chemical groups (if over exposed to any one chemical group), Teldor shows no cross resistance with fungicides from other chemical groups and can therefore be used as part of a botrytis spray program even where resistance to other groups has been identified.For further information visit www.croplife.org.au
4 How much water should be applied when using Teldor?  For dilute spraying, use enough water to give even and thorough coverage to the point of run-off. Lower water rates may be used with concentrate spraying machinery, however coverage is still critical. Ensure that the amount of Teldor applied to the vines is the same for dilute or concentrate spraying, the equivalent of 100 mL/100 L for dilute spraying. For example, dilute spraying at 1000 L/ha requires 100 mL of Teldor per 100 L but if your chosen spray volume is only 500 L/ha, this requires 200 mL of Teldor per 100 L water. 
5 Can Teldor be applied to grapes after 80% capfall?  Yes, Teldor has a 21 day withholding period in grapes. For export of wine grapes it is important to consult your winery as to their recommended withholding period. 
6 When is the best time to apply Teldor?  Botrytis can infect grapevines at any time during favourable conditions, however an effective preventative program is usually aimed at flowering, pre-bunch closure and pre-harvest, For crop specific information, contact Bayer Crop Science. 

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