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Introduction

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

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491<br />

Crops, Diseases, Rates and Timing:<br />

Crop: Diseases Controlled: Application Rate<br />

(per acre):<br />

Potato<br />

Wheat<br />

Lentil<br />

Alfalfa (for<br />

seed)<br />

Early blight<br />

(Alternaria solani),<br />

late blight<br />

(Phytophthora<br />

infestans)<br />

Tan spot<br />

(Pyrenophora triticirepentis),<br />

leaf rust<br />

(Puccinia recondita),<br />

septoria leaf blotch<br />

(Septoria tritici)<br />

Anthracnose<br />

(Colletotrichum<br />

truncatum),<br />

ascochyta blight<br />

(Ascochyta lentis)<br />

Leaf and stem<br />

spot diseases<br />

(Pseudopeziza<br />

medicaginis)<br />

Application Information:<br />

Application Timing:<br />

0.45 to 0.9 kg Apply at 0.45 kg per acre rate when plants are 10 to 15 cm<br />

high; increase to 0.7 kg per acre as plants increase in size,<br />

and 0.9 kg per acre at row closure. Apply every 7 to 10 days.<br />

Spray interval may be reduced to 5 to 6 days during periods<br />

of wet weather favouring late blight and/or vigorous crop<br />

growth.<br />

0.45 to 0.9 kg Apply 0.45 kg per acre early (when crop is in the 3-leaf to<br />

tillering stage); apply 0.9 kg per acre later (when head is fully<br />

emerged, but prior to flowering).<br />

0.9 kg Apply first application before flower when bud formation is<br />

evident; apply second application 10 to 14 days later at early<br />

to mid-bloom but prior to row closure. A third application<br />

may be applied 10 to 14 days later.<br />

0.6 kg Apply first application prior to 50% bloom; apply second<br />

application 7 to 10 days later; apply third application 10 days<br />

after second.<br />

• Water Volume: Thorough uniform coverage is essential for good disease control.<br />

• Ground: 40 L per acre (wheat); 40-80 L per acre (lentil).<br />

• Aerial: 16 L per acre (wheat, lentil, potato).<br />

Foliar Fungicides<br />

How it Works:<br />

The active ingredient mancozeb is a dithiocarbamate fungicide with multi-site contact activity. For more information refer<br />

to “Fungicide Modes of Action” on page 435.<br />

Tank Mixes:<br />

Fungicides (potato only): For late blight control, Manzate Pro-stick and Kingpin 70 WDG can be tank-mixed with<br />

Curzate 60 DF.<br />

Restrictions:<br />

• Resistance management: Refer to page 434.<br />

• Maximum number of applications:<br />

º Wheat – DO NOT exceed 2 applications of this product per season.<br />

º Lentil, alfalfa – DO NOT exceed 3 applications of this product per season.<br />

• Grazing: DO NOT graze or feed treated crop or straw to livestock. DO NOT graze or cut treated alfalfa for hay.<br />

• Preharvest interval:<br />

º Potato - 1 day<br />

º Lentil - 35 days<br />

º Wheat - 40 days<br />

• Re-entry: DO NOT re-enter treated areas within 24 hours of application.<br />

• Re-cropping: No restrictions listed.

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