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Strawberry and Raspberry Pest Management in Wisconsin

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Table 9. Spray schedule for raspberries<br />

When to spray Problem Treatment a Formulation Rate/acre Remarks<br />

BUD BREAK<br />

(new shoots show<strong>in</strong>g<br />

1/4–1/2 <strong>in</strong>ch green)<br />

36<br />

anthracnose<br />

cane blight<br />

spur blight<br />

Phytophthora<br />

root rot<br />

PREBLOOM Diseases<br />

(blossom buds show<strong>in</strong>g;<br />

new canes 6–10 <strong>in</strong>ches tall)<br />

anthracnose,<br />

cane blight,<br />

spur blight<br />

rust diseases,<br />

powdery mildew<br />

Insects<br />

copper hydroxide 24% F 2.66 pt<br />

35% DF 1.5–3.0 lb<br />

copper sulfate 53% WP 4.0–5.0 lb<br />

lime sulfur see remarks<br />

Bud break is the most important spray for these<br />

diseases. Thorough coverage is essential; apply <strong>in</strong><br />

enough water to thoroughly wet canes. Sprays<br />

applied after shoots are longer than 3/4 <strong>in</strong>ch may<br />

burn foliage.<br />

Apply lime sulfur at a ratio of 10 gal/100 gal spray<br />

solution or 10–20 gal/a.<br />

fosetyl-alum<strong>in</strong>um 80WDG 5.0 lb Use enough water to wet foliage but no more than<br />

100 gal/a. Apply after bud break <strong>and</strong> repeat at 45-<br />

to 60-day <strong>in</strong>tervals for up four applications. Do not<br />

apply with<strong>in</strong> 60 days of harvest.<br />

mefenoxam Gold EC 0.25 pt/1,000<br />

ft of row<br />

Gold GR 5.0 lb/1,000<br />

ft of row<br />

Apply <strong>in</strong> 3-ft b<strong>and</strong>s over rows. See label for details.<br />

phosphorous acid rates vary Formulations <strong>and</strong> rates vary. See product labels.<br />

azoxystrob<strong>in</strong> F 6.0–15.5 fl oz<br />

Captevate 3.5 lb<br />

copper hydroxide 35% DF 1.5–3.0 lb<br />

copper sulfate 53% WP 4.0 lb<br />

Prist<strong>in</strong>e 18.5–23.0 oz<br />

propiconazole EC 6.0 fl oz<br />

pyraclostrob<strong>in</strong> EG 14.0 oz<br />

azoxystrob<strong>in</strong> F 6.0–15.5 fl oz<br />

myclobutanil 40W 1.25–2.5 oz<br />

propiconazole EC 6.0 fl oz<br />

Cover new growth thoroughly. Some cultivars may<br />

be sensitive to copper; discont<strong>in</strong>ue use if plant<br />

<strong>in</strong>jury occurs.<br />

Beg<strong>in</strong> applications when disease first appears <strong>and</strong><br />

repeat at 10–14 day <strong>in</strong>tervals. Do not apply more<br />

than 10 oz/a per year.<br />

cane borers Remove <strong>and</strong> destroy <strong>in</strong>fested canes.<br />

leafrollers *bifenthr<strong>in</strong> WSB 8.0-16.0 oz<br />

2EC 3.2–6.4 fl oz<br />

carbaryl b 80S 1.25–2.5 lb<br />

50WP 2.0–4.0 lb<br />

4F, XLR 1.0–2.0 qt<br />

*diaz<strong>in</strong>on 50WP 2.0 lb<br />

4EC 2.0 pt<br />

*esfenvalerate Asana XL 4.8–9.6 fl oz<br />

sp<strong>in</strong>etoram WG 3.0-6.0 oz<br />

sp<strong>in</strong>osad Entrust 1.25–2.0 oz<br />

Sp<strong>in</strong>Tor 4.0–6.0 fl oz<br />

2SC<br />

tebufenozide 2F 16.0 fl oz<br />

raspberry crown<br />

borer<br />

*bifenthr<strong>in</strong> WSB 16.0 oz<br />

2EC 6.4 oz<br />

raspberry fruitworm *diaz<strong>in</strong>on 50WP 2.0 lb<br />

4EC 2.0 pt<br />

sp<strong>in</strong>etoram WG 3.0-6.0 oz<br />

sp<strong>in</strong>osad Entrust 1.25–2.0 oz<br />

Sp<strong>in</strong>Tor 4.0–6.0 fl oz<br />

2SC<br />

*Esfenvalerate is a bee repellant—do not use with<strong>in</strong> 7<br />

days before bloom.<br />

Apply a drench of at least 100 gal/acre. Brigade<br />

labels recommend at least 200-400 gals/acre as a<br />

drench for controll<strong>in</strong>g raspberry crown borer. If<br />

apply<strong>in</strong>g a prebloom drench, it is prohibited to also<br />

apply a prebloom foliar application of any<br />

*bifenthr<strong>in</strong> product. Crown borer treatment can also<br />

be made <strong>in</strong> the fall.

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