Weed Control And Watermelon Tolerance To SANDEA

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Weed Control And Watermelon Tolerance To SANDEA
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Herbicides Labeled for Watermelons

• Gramoxone,Boa (paraquat)..Preplant,
• 
  Row Middles
• Roundup, others (glyphosphate)Preplant
• Prefar (bensulide)PPI or PRE
• Curbit (ethalfluralin).PRE
• Command (clomazone)PRE
• Alanap (napthalam)PRE or POST
• Poast (sethoxydim)POST
• Treflan HFP (trifluralin)..Row Middles

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Watermelon Trials, Cordele, GA Vidalia, GA
Attapulgus, GA
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Non-treated Control Sandea (0.5 oz/A)
PRE
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Non-treated Control
Sandea (0.5 oz/A) POST 2-leaf
watermelon
2 Palmer Amaranth
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non-treated Sandea 2/3 oz
Curbit 1.5 pt
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Crop Injury??
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Herbicide Injury RatingsSandea Pre
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Herbicide Injury RatingsSandea Post (1-2 Leaves)
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Herbicide Injury RatingsSandea Post (12-15
Runners)
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Sandea 0.75 oz Post
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Untreated
Sandea 0.75 oz/acre Post
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Sandea 0.75 oz/acre Post
Sandea 0.75 oz/acre Post
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Sandea POST to Watermelon with 12 Runner
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Sandea 0.75 oz/acre Late Post
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Nontreated Sandea (0.5
oz/acre)
Watermelon farm in Crisp County, May 2000.
Treatment at 1-leaf. Pictures to scale.
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Sandea (0.5 oz/A) PRE

Sandea (0.5 oz/A) POST 2-leaf watermelon
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Effects on Yield
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Yield DataSandea 0.5 Oz/acre
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Yield DataSandea 0.75 Oz/acre
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Yield DataSandea 1.0 Oz/acre
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Melon SizeSandea0.5 Oz/acre
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Melon SizeSandea0.75 Oz/acre
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Melon SizeSandea1.0 Oz/acre
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Conclusions

1. Curbit is a useful tool in the control of
   nutsedge and pigweeds.

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Conclusions

1. Curbit is a useful tool in the control of
   nutsedge and pigweeds.
2. Do not allow Sandea to contact foliage.

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Conclusions

1. Curbit is a useful tool in the control of
   nutsedge and pigweeds.
2. Do not allow Sandea to contact foliage.
3. Sandea PRE may slightly delay maturity.

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Conclusions

• Curbit is a useful tool in the control of
  nutsedge and pigweeds.
• Do not allow Sandea to contact foliage.
• Sandea PRE may slightly delay maturity.
• Need label for Sandea PRE and
• row middles.

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Conclusions

• Curbit is a useful tool in the control of
  nutsedge and pigweeds.
• Do not allow Sandea to contact foliage.
• Sandea PRE may slightly delay maturity.
• Need label for Sandea PRE and
• row middles.
• Need additional research in
• plasticulture systems.