1) I am getting the feeling that many peanut growers are blindly applying EPOST or "cracking" sprays of paraquat without first walking their fields. From my field plots earlier today, Figure 1 is a picture of a non-treated check (NTC) plot while Figure 2 is a picture of Prowl + Valor + Strongarm applied PRE. In this case, the PRE herbicides worked as expected and there is no need for an EPOST or "cracking" application of paraquat.
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| Figure 1. Non-treated check plot. Ty Ty, GA. May 28, 2020. |
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| Figure 2. PRE applied Prowl H20 @ 32 oz/A + Valor EZ @ 3 oz/A + Strongarm @ 0.225 oz/A. Ty Ty, GA. May 28, 2020. Photo 17 DAP. |
2) I have been hearing some interesting recommendations for "cracking" sprays coming from industry but I (UGA) will stick with what works and has been proven by lots of research (i.e. paraquat + Storm or Basagran + Anthem Flex or Dual Magnum or Outlook or Warrant or Zidua) (Figure 3).
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| Figure 3. Left = NTC; Right = Prowl H20 @ 32 oz/A (PRE) then Gramoxone 3SL @ 8 oz/A + Storm @ 16 oz/A + Dual Magnum @ 16 oz/A applied 3 days ago. |
3) The current price of Storm 4SL (~$80/gal) has some folks gasping for breath. Thus, 16 oz/A costs $10.00/A. If a grower wants to make his/her own Storm, the equivalent mix would be Ultra Blazer @ 11 oz/A ($4.38/A) + Basagran @ 11 oz/A ($3.87/A). However, if a grower was going to mix his/her Storm, I would prefer the mixture to be Ultra Blazer @ 16 oz/A ($6.38/A) + Basagran @ 8 oz/A ($2.81/A). But, this mix would be slightly hotter and more effective.
