Page 15 - Vol.38-No.8
P. 15

AGRICULTURE PRODUCTS AND SERVICES

                  NEW HERBICIDE OPTION TO CONTROL

                                   CALTROP IN SORGHUM



          Corteva Agriscience have registered  ingredient in the chemical class of synthetic  added to the mix to further strengthen
        Ubeniq® Rinskor® active herbicide in sor-  auxin (Group 4) herbicides.  the overall control.”
        ghum as a tank mix partner to specifically   It is very active at low use rates and has   “With an extremely short grazing with-
        control Caltrop.                    an extremely attractive environmental pro-  holding period of just 3 days, this could
                                            file - winning the US EPA Green chemistry  be an excellent option for forage sorghum
                                            award in 2018.”                     growers looking to control caltrop and pre-
                                                                                vent any livestock becoming lame.”
                                              Trials were conducted over a six-year
                                            period to determine the ability of Ube-  In most situations growers will have no
                                            niq to control summer weeds, selectivity  issues with rotational cropping to the full
                                            to sorghum and suitability as a tank mix  range of winter crops following the use of
                                            partner with Starane Advanced and other  Ubeniq in sorghum.
                                            products.
                                              “The trials demonstrated the ability of
                                            Ubeniq to provide outstanding control of
                                            Caltrop in sorghum crops,” Mr Dixon said.
                                              “Corteva is really pleased to provide a
          Caltrop has become a major issue for  solution for Caltrop as a tank mix partner
        growers with seeds that remain dormant  with post-emergent herbicides that are
        in the soil for extended periods of time  currently used in sorghum crops.”
        and germinate with summer rainfall. It has    “Ubeniq has proven to be safe across
        many names in different regions of Australia   sorghum varieties, and it also worked par-
        eg. Yellow vine, Cat’s head, puncture vine   ticularly well as a tank mix partner.”
        or Goat’s head, having distinctive yellow
        flowers and sharp burrs that form with-  The addition of Ubeniq at a label rate of
        in three to five weeks after emergence.     just 25 mL per hectare, provides excellent
        The burrs can attach to tyres and stock   control of Caltrop and included the benefits
        and  move  around paddocks,  farms  and   derived from the existing herbicides.  “It   At  the  recommended  use  rate,  the
        districts reducing production efficiency   is an excellent mixing partner for Starane  maximum re-cropping interval is just two
        in many situations.                 Advanced herbicide, particularly for fast  months (with a minimum 75 mm rainfall
                                            control of Caltrop and seems to be adding  requirement) to crops such as canola,
          Corteva Agriscience Marketing Director,   to the speed of control of other weeds.”  chickpeas and field peas, with a four week
        Dan Dixon, said the company has market-                                 plant back to wheat, barley, oats, triticale
        ed Starane® Advanced (fluroxypyr) herbi-  In sorghum, Ubeniq can be tank mixed   and ryegrass.
        cide into the Australian sorghum market   with Starane® Advanced and Hasten® Spray
        for years, but had noted the challenges   Adjuvant. In paddocks or areas where   Ubeniq Rinskor active herbicide has also
        growers were having with Caltrop control.  growers can use atrazine this can also be  recently been registered to control Navua
                                                                                sedge (Cyperus aromaticus) in pastures.
            “Over the past three decades Starane
        Advanced has become the standard for                                     Navua sedge has been an issue for grazi-
        post emergent weed control in grain and                                 ers in northern Queensland for many dec-
        forage sorghum.”                                                        ades and Ubeniq provides an opportunity
                                                                                to control the weed to improve pasture
          Starane Advanced has a wide range of                                  production and stocking rates.
        broadleaf weeds on the label.  “Generally,
        Starane has been mixed with Atrazine for
        broad spectrum control of problem weeds
                                                                                      ADVERTISE IN
        in sorghum crops,” Mr Dixon said. “Unfor-                                     ADVERTISE IN
        tunately, in recent years Caltrop has been
                                                                                   THE ARAB WORLD
        more difficult to control with the Starane                                 THE ARAB WORLD
        Advanced mixtures, so we set about look-                                      AGRIBUSINESS
                                                                                      AGRIBUSINESS
        ing for a solution.”
                                                                                     MAGAZINE AND
          He said Ubeniq® Rinskor® active herbi-                                     MAGAZINE AND
                                                                                    PROMOTE YOUR
        cide had been registered in Australia since                                 PROMOTE YOUR
        2018 for post-emergent weed control in
                                                                                        PRODUCTS
        rice. Mr Dixon said “Ubeniq is based on                                         PRODUCTS
        Rinskor, which is a new arylpicolinate active

                                                      Circle 16 on enquiry card                     Vol. 38 No. 8   13
   10   11   12   13   14   15   16   17   18   19   20