Dimension
1 Trade nameManufacturerForm
DIMENSION HERBICIDEDOW AGROSCIENCES AUSTRALIA LIMITEDEC
NUTURF DIMENSION HERBICIDENUTURF AUSTRALIA PTY LIMITEDEC
RIVERDALE DIMENSION HERBICIDENUTURF AUSTRALIA PTY LIMITEDEC

3 ACTIVE INGREDIENTS: 120 g/L dithiopyr

4 CHEMICAL GROUP: E.

Pyridine

5 RELATED HERBICIDES:

Garlon and Lontrel are also pyridines.

6 GENERAL DESCRIPTION:

A pre emergent grass herbicide used mainly in turf.

7 APPLICATION METHODS AND TIPS:

Best results occur when irrigation or rainfall occurs within 7 days of pre emergence sprays.

10 WATER QUALITY:

Hard water

Colloids

pH

11 COMPATIBILITY:

Compatible with MSMA and DSMA.

14 HERBICIDE RESISTANCE:

18 PROTECTIVE CLOTHING:

20 MODE OF ACTION:

Inhibits cell division and growth in meristematic areas.

Uptake and translocation:

Absorbed through leaves crowns and roots.

Physiological effects:

Residual Life and Breakdown:

Selectivity:

Pre emergent and early post emergent control of Summer (Crab) grass, other grasses and some broadleaf weeds in established turf.

23 PLANT SYMPTOMS:

SECONDARY EFFECTS:

24 TOXICITY:

Summary:

Poison schedule S5

Details:

Mammalian toxicity - Low.

Acute oral LD50 - mg/kg (rats), [For comparison table salt is 3000 mg/kg]

Acute dermal LD50 - > mg/kg (rabbit).

Skin -

Eye -

Vapour inhalation - LC50 - > mg/L air (rat).

Chronic oral toxicity NOEL - ppm for two years.

Not mutagenic or teratogenic (i.e. does not cause cancer or reproductive problems).

Other Species -

Birds - low toxicity.

Fish - toxicity LC50 > ppm.

Invertebrates - toxicity.

Bees - low toxicity.

25 TOXICITY SYMPTOMS:

26 FIRST AID:

27 ENVIRONMENTAL FATE:

It has a half life in soil of weeks?.

It has an EPA classification for soil mobility that ranges from

Ground water contamination

Replanting intervals

Accumulation in milk and tissues.

31 PROPERTIES:

Water solubility at 25 C. - Low ? ppm at pH ;

Oil solubility -

Octanol:Water ratio at 25 C. - at pH 5;

Vapour Pressure at 25 C. -

Dissociation constant - pKa

Melting point - C.

Molecular weight -

Half life in water - days at pH5 and 35 C.

33 REFERENCES:

PPS May 1995

Acknowledgments:

Collated by HerbiGuide. For more information see www.herbiguide.com.au or phone 08 98444064.