Oryzalin plus trifluralin
1 Trade nameManufacturerForm
CHEMAG THOR 250EC HERBICIDEIMTRADE AUSTRALIA PTY LTDEC
CROWN TRI-ORYZALIN 250 SELECTIVE HERBICIDECORONA INDUSTRIES PTY LTDEC
FARMOZ DUET 250 EC HERBICIDEFARMOZ PTY LIMITEDEC
TRIZALIN 250 HERBICIDEAGVANTAGE PTY LTDEC



Requires incorporation soon after application. For good results the herbicide must be incorporated into the zone where seedling weed roots will grow.

Company suggests that stubble cover should be less than 5%.

3 ACTIVE INGREDIENTS: Trifluralin 125 g/L plus Oryzalin 125 g/L

4 CHEMICAL GROUP: D.

6 GENERAL DESCRIPTION:

A pre emergence herbicide for the control of grasses and some broad leaved weeds in cereals.

Field Crop

3.Formulation : Emulsifiable Concentrate
4.Poison Schedule : 5
6.Product Colour : Orange.
7.Product Flammability : Flammable.
9.Shelf Life : 60 months (5 years).
(When stored under ideal conditions- refer Page 4)
10.Mixtures Compatibility : glyphosate, Gramoxone (paraquat), Reglone (diquat)
11.Registered Crop(s) : Wheat, Barley.
12.Effect of Soil Texture on Herbicide : Cloddy soils are unsuitable.
13.Effect of Soil pH on Herbicide : Unknown.
14.Effect of Soil Organic Matter on Herbicide : Poor incorporation and herbicide availability.
15.Mode of Action : Inhibits the development of cells in root tips. Root absorbed, affects seed germination and prevents seedling emergence. Pre-emergent. Doesn't control emerged weeds.
16.Application Timing : Conventional cultivation from 10 to just before sowing. Direct drilling from up to 5 days before sowing.
17.Rate Variations : 1.6 - 2.3 L/ha.
18.Rates Selection : Lower rate conventional cultivation. Higher rate direct drilling.
19.Crop Damage (Crop Tolerance) : Crops tolerate up to 1.6 L/ha.
21.Effect on Clover Species : Little when applied as recommended.
22.Soil Moisture at Application :
DRY - Usually okay.

MOIST - Usually okay.

WATERLOGGED - Herbicide breakdown.
23.Frost Effects : Not relevant.
24.Frost Free Days Required After Application : Not relevant
26.Recommended Water Volume : 90 - 450 L/ha boom.
27.Nozzle Type : Flat fan.
28.Recommended Nozzle Pressure : 170 - 340 kPa (24.7 - 49.3 psi).
29.Recommended Wetter : None required.
32.Rain Fastness : Not applicable. Light rain following application could enhance effect.
33.Time Interval Before Effect is Noticed : Not applicable.
36.Withholding Period : Not applicable.
37.Plant-Back Period : Nil days for wheat and barley.
38.Spray Tank Clean-Up : Fresh water rinse.
39.Other Comments : Seed should be sown to a depth of at least 5 cm. Uniform application to soil, i.e. no strips. Apply to a weed free area. Significant wild oat control is only obtained where wild oat seed is close to the surface.
Numbered data from "Crop Herbicide Information"

courtesy of A.J. Chambers, Vic. Dept of Food & Agric.

33 REFERENCES:

Acknowledgments:

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