|1 Trade name||Manufacturer||Form|
|NUTURF EXPORSAN SELECTIVE TURF HERBICIDE||NUTURF AUSTRALIA PTY LIMITED||EC|
Previously sold as Prefar
3 ACTIVE INGREDIENTS: Bensulide 410g/L 4 CHEMICAL GROUP: J - Phosphorodithioates.
Inhibitors of fat synthesis.
5 RELATED HERBICIDES:
|2,2-DPA 740||2,2-DPA 740g/kg|
|Avadex BW||Tri-allate 400g/L|
|Avadex Xtra||Tri-allate 500 g/L|
|Flupropanate 745||Flupropanate 745g/L|
|Molinate 960||Molinate 960g/L|
|Saturn EC||Thiobencarb 800g/L|
|Tramat 500 SC||Ethofumesate 500g/L|
6 GENERAL DESCRIPTION:A soil applied, pre emergence herbicide used mainly in lawn, cotton and vegetables.
7 APPLICATION METHODS AND TIPS:Performance increases with decreasing organic matter and clay content and increasing soil pH.
10 WATER QUALITY:Hard water
11 COMPATIBILITY:14 HERBICIDE RESISTANCE:
18 PROTECTIVE CLOTHING:
20 MODE OF ACTION:
Inhibits mitosis reducing root growth and cell division.
Performance increases with decreasing organic matter and clay content and increasing soil pH.
Uptake and translocation:Absorbed onto root surfaces. Very little is translocated.
Physiological effects:Residual Life and Breakdown:
Effect on Clover Species:
Effect on Medic Species:
Effect on Lucerne:
Effect on Native Plants:
22 DISEASE AND INSECT EFFECTS:
23 PLANT SYMPTOMS:
Details:Mammalian toxicity -
Acute oral LD50 - 770 mg/kg (rats), [For comparison table salt is 3000 mg/kg]
Acute dermal LD50 - > mg/kg (rabbit).
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 - toxicity.
Fish - toxicity LC50 > ppm.
Invertebrates - toxicity.
Bees - toxicity.
25 TOXICITY SYMPTOMS:26 FIRST AID:
27 ENVIRONMENTAL FATE:
Tightly bound on colloids in the top 50 mm of soil.
It has a half life in soil of .
It has an EPA classification for soil mobility that ranges from
Ground water contamination
Accumulation in milk and tissues.
31 PROPERTIES:Active is colourless liquid or white solid.
Water solubility at 20 C. - 25 ppm;
Oil solubility - moderate.
Octanol:Water ratio at 25 C. - at pH 5;
Vapour Pressure at 25 C. -
Dissociation constant - pKa
Melting point - 34.4 C.
Molecular weight - 397.5
Specific gravity - 1.224
Half life in water - days at pH5 and 35 C.
33 REFERENCES:Ashton, F.M. and Crafts, A.S. (1981) Mode of Action of Herbicides. (Wiley-Interscience publication).
Acknowledgments:Collated by HerbiGuide. For more information see www.herbiguide.com.au or phone 08 98444064.