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Introduction

87089-2017%20Guide%20to%20Crop%20Protection_complete

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317<br />

Crops and Staging:<br />

Potatoes - After seeding or hilling prior to emergence of the crop. DO NOT apply before seeding or hilling.<br />

Weeds and Staging:<br />

Prior to the emergence of:<br />

º Barnyard grass<br />

º Crabgrass (large,<br />

smooth)<br />

º Foxtail (green and<br />

yellow)<br />

º Eastern black<br />

nightshade*<br />

* Control with highest rate (390 mL per acre) only. Lower rates provide suppression only.<br />

º Redroot pigweed<br />

Rates:<br />

Apply at 306 to 390 mL per acre. Apply at the higher rate on fine-textured or high organic soils and for heavier anticipated<br />

weed problems. DO NOT exceed the equivalent of a single application of Outlook or Frontier Max in a single season.<br />

Pre-emergence surface treatments:<br />

Soil Type<br />

Rate (mL per Acre)<br />

(Texture)<br />

Less than 3% Organic Matter 3 to 6% Organic Matter 7 to 10% Organic Matter<br />

Coarse 306 306 348<br />

Medium and Fine 306 348 390<br />

Weed Control<br />

Application Information:<br />

• Water Volume: A minimum of 40 L per acre.<br />

• Pressure: 30 to 43 psi (200 to 300 kPa).<br />

• Nozzles: Flat fan or flood-jet. Low drift nozzles may require higher pressures for proper performance. Use a<br />

combination of nozzles and pressure designed to deliver thorough, even coverage of ASABE medium droplets.<br />

• Screens: Use a 16 mesh suction screen, 50 mesh elsewhere on sprayer.<br />

How it Works:<br />

Refer to Table 9 on page 48.<br />

Effects of Growing Conditions:<br />

Rainfall is required within 7 to 10 days of application to activate and move Outlook into the soil zone. If dry conditions<br />

persist, a shallow cultivation or the use of a rotary hoe is necessary to move the herbicide into moist soil and control<br />

weed escapes. Shallow tillage is important to minimize dilution of the herbicide. If drought conditions persist after preemergence<br />

applications, weed control may not be adequate<br />

Restrictions:<br />

• Rainfall: Avoid heavy rainfall after application. A light to moderate rainfall 7 to 10 days after application is important<br />

for good weed control.<br />

• Re-entry Interval: DO NOT enter treated fields for 24 hours.<br />

• Pre-harvest Interval: Leave 40 days between application and harvest.<br />

• Grazing Restrictions: DO NOT graze within 40 days of application.<br />

• Re-cropping Interval: In the event of a crop failure, treated fields may be seeded back to corn (field or sweet),<br />

soybeans, or dry common beans. DO NOT reseed potatoes after a crop failure. Cereal crops may be planted 100 days<br />

after application. The crops above plus green onions, potato and transplanted cabbage may be planted the next<br />

season after use. All other crops may be seeded 11 months after application.<br />

• Aerial Application: DO NOT apply by air.<br />

• Storage: DO NOT freeze. Must be stored under heated warehouse conditions.

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