VEGETABLE DISEASES (Commercial Production)

Transcription

1 VEGETABLE DISEASES (Commercial Production) Jackie Lee and Travis Faske ASPARAGUS Rust Rally WSP myclobutanil 5 oz Apply at first evidence of disease. Bravo WeatherStik 2 - pt Follow label instructions. Sonata Bacillus pumilus (bacteria) qt Can be used for organic production. Stemphylium Purple Spot Flint 5 WG Quadris trifloxystrobin - oz fl oz BEANS (Snap and Pole) Pythium Damping-Off Ridomil Gold SL mefenoxam 8-6 fl oz 2 Preplant incorporate in the top 2 inches. Also for this disease on lima and dry beans. Pythium and Rhizoctonia Damping-Off Trilex 2 trifloxystrobin + metalaxyl oz/cwt seed Basicop WP Champ.6 F Tenn-Cop 5 E fixed copper M 2 - lb / - 2 / pt pt Spray at first sign of disease; repeat on a day schedule as needed. White Mold (Sclerotinia) Blocker F PCNB pt Do not apply after pod formation. Endura boscalid 8 - oz Gray Mold (Botrytis) and Rust Bravo Ultrex 2. lb Apply at first sign of disease on a weekly schedule as needed. Equus. - 2 pt Follow label directions. Endura boscalid 8 - oz Apply at first sign of disease. and Rust Microthiol Special wettable sulfur M2 lb Apply at first sign of disease and repeat at day intervals as needed. Endura WG boscalid 8 - oz - day interval Headline 2. F 6 - fl oz - day interval Gray Mold (Botrytis), and Rust Priaxor fluxapyroxad fl oz Root and Stem Rot (Rhizoctonia solani) Blocker F PCNB 2 - pt 5 Apply in-furrow at planting. MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

2 BEANS (Dry),, Rust Bravo Ultrex Maneb 8 WP maneb M 2. lb.5-2 lb Apply at early bloom and repeat as needed at - day intervals. Rust, Ascochyta Blight tebuconazole (various trade names.6 F) Quadris Opti + tebuconazole - 6 fl oz.6-2. pt See label for important restrictions and application information., Ascochyta Blight,, Rust Vertisan Priaxor penthiopyrad fluxapyroxad fl oz - 8 fl oz 2 2 BEANS (Dry) and FIELD PEAS (Phaseolus and Vigna spp.), Ascochyta Blight, Mycosphaerella Blight,, Rust Headline fl oz See label for important restrictions and application information. Endura boscalid 8 - oz Follow label instructions. Not labeled on peas. Topsin M.5 F thiophanate-methyl fl oz See label information. Quilt Xcel + propiconazole.5 - fl oz Rust, White Mold Proline 8 SC prothioconazole 5. fl oz BRASSICA (Leafy Greens) White Rust (Albugo) Black Spot (Alternaria) Quadris fl oz Apply prior to disease and continue on a - day schedule. Do not make more than 2 consecutive applications of Quadris nor more than total applications per acre per crop year. Do not apply more than. qts per acre per season. Alternaria Fontelis Quadris Top Inspire Super penthiopyrad + + cyprodinil - fl oz 2 - fl oz 6-2 fl oz Revus mandipropamid 8 fl oz See label information. MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

3 CABBAGE, BROCCOLI, COLE CROPS Endura WP Maneb 8 WP Ridomil Gold Bravo SC Cabrio 2 EC Bravo Weatherstik Quadris 2.8 Switch 62.5 WG boscalid maneb mefenoxam + cyprodinil + fludioxonil M oz.5-2 lb.5 pt 2-6 oz.5 - pt 6-5 fl oz - oz - day schedule. - day schedule. - day schedule. - day schedule. - day schedule. - day schedule. - day schedule. Ridomil Gold Bravo SC Cabrio 2 EC Quadris 2.8 Aliette 8 WG Presidio SC Reason 5 SC Revus 2.8 SC mefenoxam + fosetyl-al fluopicolide fenamidone mandipropamid.5 pt 2-6 oz 6-5 oz 2-5 lb - fl oz fl oz 8 fl oz day interval until disease is under control. Alternate fungicides with different modes of action. Pythium Damping-Off Ridomil Gold SL mefenoxam pt NA Apply to soil at planting or transplanting. Rhizoctonia Stem and Root Rot CANTALOUPE Gummy Stem Blight,, Gummy Stem Blight,,,, Target Spot, Endura WG boscalid 6 - oz Apply at first sign of disease; may be repeated - days later. Fontelis penthiopyrad 2-6 fl oz Inspire Super + cyprodinil Quadris 2.8 Cabrio 2 EG 6-2 fl oz - 5. fl oz 2-6 oz Apply at - day intervals prior to disease or at first sign. Alternate with a fungicide with different mode of action (e.g., Bravo) for downy mildew and spray on a 5 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8-2 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Quadris Opti + Quadris Top +.2 pt See label information. 8 fl oz (continued) Pristine boscalid oz 2 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

4 CANTALOUPE (cont.) Gummy Stem Blight, (cont.),,, Target Spot, Gummy Stem Blight,,,, Bravo Ultrex Bravo WeatherStik VEGETABLE DISEASES (Commercial Production) continued lb 2 - pt Lower rate for downy mildew. Lower rate for downy mildew. Mancozeb 8 W mancozeb M 2 - lb 5 Various brands including Dithane, Penncozeb, Manzate, etc. Maneb 8 W maneb M - 2 lb 5 Various brands and formulations. Topsin M.5 F thiophanate-methyl fl oz Cuprofix Ultra Disperss Ridomil Gold Bravo SC Ridomil Gold MZ copper sulfate M.25-2 lb mefenoxam + mefenoxam + mancozeb M pt 2.5 lb 5 Cercospora Leaf Spot Fruit and Stem Rot Gavel 5 DF mancozeb + zoxamide M lb 5 See label for important restrictions and application information. Ridomil Gold Bravo SC mefenoxam + 2 lb Apply at day intervals and alternate with mancozeb, maneb, Quadris or Flint. Flint 5 WG trifloxystrobin oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil Previcur Flex propamocarb hydrochloride 2 8 oz REI = 2 hours. Must tank mix with fungicides of different mode of action (non group ). See label pt 2 REI = 2 hours. Must tank mix with another downy mildew fungicide. Curzate 6 DF cymoxanil 2.2 oz REI = 2 hours. Must tank mix with fungicides of different mode of action (non group ). See label. Acrobat 5 WP dimethomorph 6. oz Allow sprays to dry before harvest begins. REI = 2 hours. Forum.8 F Gavel 5 DF Presidio SC Reason 5 SC Revus 2.8 SC Cabrio 2 EG Pristine dimethomorph mancozeb + zoxamide fluopicolide fenamidone mandipropamid boscalid + M 22 6 fl oz.5-2 lb - oz 5.5 oz 8 fl oz 8-2 oz oz 5 2 Some varieties are sensitive to Gavel see label. MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

5 CANTALOUPE (cont.) VEGETABLE DISEASES (Commercial Production) continued * Rally WSP myclobutanil oz Do not apply more than.5 lb Rally per acre per crop. Flint 5 WG trifloxystrobin.5-2 oz Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Cabrio 2 EG 2-6 oz Pristine boscalid oz Best applied as a preventative. Quintec quinoxyfen - 6 oz Torino cyflufenamid U6. oz Resistance to Sphaerotheca is known. Pythium Damping-Off Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Uniform + mefenoxam. oz/, row ft In-furrow spray. Also effective for Rhizoctonia seedling blight. CORN (Sweet) Rusts, Leaf Spot Diseases Mancozeb 8 W mancozeb M 2 - lb 5 Various brands including Dithane, Penncozeb, Manzate, etc. Maneb 8 W maneb M - 2 lb 5 Various brands and formulations. Tilt.6 EC Propimax EC propiconazole propiconazole fl oz fl oz Begin applications at first sign of disease and continue on a - day schedule. Read label for restrictions. Headline Quadris 2.8 SC Prosaro 2 SC Stratego YLD Stratego Quilt Xcel Evito 8 SC or Aftershock Priaxor Headline AMP prothioconazole + tebuconazole trifloxystrobin + prothioconazole propiconazole + trifloxystrobin + propiconazole fluoxastrobin fluxapyroxad + + metconazole 6-2 fl oz fl oz 6.5 fl oz - 5 fl oz fl oz.5 - fl oz 2-5. fl oz - 8 fl oz -. fl oz 2 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

6 CUCUMBERS VEGETABLE DISEASES (Commercial Production) continued Angular Leaf Spot Maneb 8 W maneb M - 2 lb 5 Apply at first sign of disease and alternate with fungicides for anthracnose on a - day schedule. Various brands available., Alternaria Leaf Spot, Gummy Stem Blight,, Target Spot Quadris Top fl oz, Alternaria Leaf Spot, Gummy Stem Blight,, Target Spot, Scab Quadris 2.8 SC Cabrio 2 EG - 5. fl oz 2-6 oz Apply at - day intervals prior to disease or at first sign. Alternate with a fungicide with different mode of action (e.g., Bravo) for downy mildew and spray on a 5 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8-2 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Quadris Opti +.2 pt See label information. Bravo Ultrex lb Lower rate for downy mildew. Bravo WeatherStik 2 - pt Lower rate for downy mildew. Equus 2 SST 2 - pt See label instructions. Apply at first true leaf, then at day intervals. Temperature restrictions on watermelon. See label information. Mancozeb 8 W mancozeb M 2 - lb 5 Various brands including Dithane, Penncozeb, Manzate, etc.,, Gummy Stem Blight, Maneb 8 W maneb M - 2 lb 5 Various brands and formulations. Pristine boscalid oz Fontelis penthiopyrad 2-6 fl oz Inspire Super + cyprodinil 6-2 fl oz Reason 5 SC fenamidone fl oz See label information. Pythium Previcur Flex propamocarb hydrochloride 28.2 pt 2 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

7 CUCUMBERS (cont.) Cercospora Leaf Spot Fruit and Stem Rot Gavel 5 DF mancozeb + zoxamide Ridomil Gold Bravo mefenoxam + M lb 5 See label for important restrictions and application information. 2 lb Apply at day intervals and alternate with mancozeb, maneb, Quadris or Flint. Flint 5 WG trifloxystrobin oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil 2 8 oz REI = 2 hours. Must tank mix with fungicides of different mode of action (non group ). Previcur Flex propamocarb hydrochloride 28.2 pt 2 REI = 2 hours. Must tank mix with another downy mildew fungicide. * Curzate 6 DF cymoxanil 2.2 oz REI = 2 hours. Must tank mix with fungicides of different mode of action (non group ). Forum.8 F Gavel 5 DF Presidio SC Reason 5 SC Revus 2.8 SC Flint 5 WG Bravo Ultrex Bravo WeatherStik Quadris 2.8 SC Microthiol Disperss Pristine Rally WSP dimethomorph mancozeb + zoxamide fluopicolide fenamidone mandipropamid trifloxystrobin wettable sulfur boscalid + myclobutanil M 22 M2 6 fl oz.5-2 lb - oz 5.5 oz 8 fl oz.5-2 oz lb 2 - pt - 5. fl oz 2 lb oz oz 5 2 Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Quadris has the same mode of action. Apply at first sign of disease and repeat at day intervals as needed. Do not apply when temperature is above degrees F. See label information for application. Do not apply more than.5 lb Rally per acre per crop. Pythium Damping-Off Procure 5 WP Quadris Opti 5.5 SC Quintec Torino Ridomil Gold SL Uniform triflumizole + quinoxyfen cyflufenamid mefenoxam + mefenoxam U6-8 oz.2 pt - 6 oz. oz 8-6 fl oz. oz/, row ft Resistance to Sphaerotheca is known. Apply to the soil at planting or transplanting. In-furrow spray also effective for Rhizoctonia seedling blight. 6 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

8 EGGPLANT, Cercospora, Gray Leaf Spot, Alternaria, Powdery Mildew, Target Spot Quadris Top + Quadris 2.8 SC Cabrio 2 EG Reason 5 SC Priaxor fenamidone fluxapyroxad fl oz fl oz 8-2 oz 5.5 oz - 8 fl oz Fontelis penthiopyrad - 2 fl oz Apply prior to disease and on a - day schedule as needed. Do not make more than 2 consecutive applications and do not make more than applications per crop year. Do not apply more than.2 qts per acre per season. See Cabrio label. Alternaria, Target Spot OKRA Evito 8 SC or Aftershock Quadris 2.8 SC Reason 5 SC fluoxastrobin 2-5. fl oz fenamidone fl oz 5.5 oz Apply prior to disease and on a - day schedule as needed. Do not make more than 2 con secutive applications and do not make more than applications per crop year. Do not apply more than.2 qts per acre per season. Seedling Disease Quadris 2.8 SC. -.8 fl oz/, row ft N/A In-furrow at planting or inch band over the row shortly after emergence. ONION, GARLIC, LEEK, SHALLOT Alternaria Blotch Cabrio 2 EG 8-2 oz Follow label directions closely. Pristine Scala SC boscalid + pyrimethanil oz - 8 oz Follow label information for crops and diseases. Use lower rate only in a tank mix with a broad-spectrum fungicide. Revus mandipropamid 8 fl oz See label information. Purple Blotch, Stemphylium, Botrytis Inspire Super + cyprodinil 6-2 fl oz Quadris Top fl oz Fontelis penthiopyrad - 2 fl oz MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

9 PEAS (Southern and English) Pythium Damping-Off Ridomil Gold SL mefenoxam 8-6 fl oz 2 Preplant incorporate in the top 2 inches. Cercospora Leaf Spot, Rust Bravo WeatherStik Priaxor fluxapyroxad + /8-2 pt - 8 fl oz Apply at first sign of disease on a - day schedule as needed. Cercospora Leaf Spot,, Rust Cercospora Leaf Spot,, Rust, Fontelis penthiopyrad - fl oz Vertisan penthiopyrad - 2 fl oz 2 PEPPER Bacterial Spot Kocide 2 + Maneb 8 W copper hydroxide + maneb M M lb lb Apply a week after transplanting and again at 5 - day intervals if disease begins to develop and as needed. There are other forms of copper hydroxide and maneb available. Quilt + propiconazole 6 fl oz Revus mandipropamid 8 fl oz See label information., Pythium Previcur Flex propamocarb hydrochloride 28.2 pt 2 See label information., Cercospora Leaf Spot Maneb 8 W maneb M - 2 lb Apply as needed on a - day schedule at first sign of disease. Quadris 2.8 SC Cabrio 2 EG Reason 5 SC Priaxor fenamidone fluxapyroxad fl oz 8-2 oz 5.5 oz - 8 fl oz Apply prior to disease and on a - day schedule as needed. Do not make more than 2 consecutive applications and do not make more than applications per crop year. Do not apply more than.2 qts per acre per season. See Cabrio label., Cercospora, Gray Leaf Spot, Powdery Mildew Quadris Top fl oz Alternaria,, Target Spot Fontelis penthiopyrad - 2 fl oz 8 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

10 PEPPER (cont.) Alternaria, Target Spot Evito 8 SC or Aftershock fluoxastrobin 2-5. fl oz Southern Blight Blocker F PCNB pt/ gal water 5 Use /2 pint transplant solution per plant. Do not exceed.5 lb PCNB per acre per season. Pythium, Phytophthora Damping-Off Ridomil Gold SL mefenoxam 6 fl oz Apply to the soil at planting or transplanting. POTATO (Seed Piece Protection) Seed Piece and Sprout Rots Maxim Potato Seed Protectant fludioxonil 2.5 lb/ lb seed pieces Uniform coverage is essential. POTATO (Foliar Diseases) Early Blight Late Blight Botrytis Rot Quadris 2.8 SC fl oz Use higher rates on a weekly schedule under severe disease conditions; otherwise use a day schedule and lower rates as needed. Alternate with fungicides of different modes of action. Scala pyrimethanil oz Must tank mix with other effective fungicide. See label information. Bravo WeatherStik pt Apply on a weekly schedule in alternation with other fungicides, as needed. Kocide 2 copper hydroxide M.5 - lb Use higher rates if disease is severe. Mancozeb 8 W mancozeb M - 2 lb Several brands and formulations. Manex with Zinc maneb M qt Use higher rates if disease is severe. Other brands of maneb may be available. Late Blight Early Blight Late Blight, Early Blight, Gavel 5 DF mancozeb + zoxamide Previcur Flex propamocarb hydrochloride M lb See label for important restrictions and application information pt Headline 6 - fl oz Use 6-2 fl oz for late blight. See label for other information. Reason 5 SC fenamidone 5.5 fl oz See label for additional information. Rates vary. Quadris Opti +.2 pt See label information. MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

11 POTATO (Foliar Diseases) (cont.) VEGETABLE DISEASES (Commercial Production) continued Microthiol Disperss wettable sulfur M2 5 lb Apply at first sign of disease and repeat at day intervals as needed. Early Blight, Vertisan penthiopyrad - 2 fl oz Quadris Top fl oz Luna Tranquility fluopyram + pyrimethanil.2 fl oz Revus mandipropamid 8 fl oz See label information. Early Blight Gem 5 SC Evito 8 SC or Aftershock Priaxor trifloxystrobin fluoxastrobin fl oz fl oz - 8 fl oz See label information. PUMPKIN Angular Leaf Spot Maneb 8 W fluxapyroxad + maneb M - 2 lb 5 Apply at first sign of disease and alternate with fungicides for anthracnose on a - day schedule. Various brands available. Gummy Stem Blight Target Spot Scab, Gummy Stem Blight Target Spot,, Gummy Stem Blight, Powdery Mildew Kocide 2 Quadris 2.8 SC Cabrio 2 EG copper hydroxide M lb - 5. fl oz 2-6 oz Crop injury may occur at high rates. Apply at - day intervals prior to disease or at first sign. Alternate with a fungicide with different mode of action (e.g., Bravo) for downy mildew and spray on a 5 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8-2 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Bravo Ultrex lb Lower rate for downy mildew. Bravo WeatherStik 2 - pt Lower rate for downy mildew. Maneb 8 W maneb M - 2 lb 5 Various brands and formulations. Pristine boscalid + Topsin M.5 F thiophanate-methyl fl oz Ridomil Gold mefenoxam pt Bravo SC Fontelis Inspire Super penthiopyrad + cyprodinil oz Follow label. Best applied at first evidence of disease. 2-6 fl oz 6-2 fl oz 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

12 PUMPKIN (cont.), Alternaria Leaf Spot, Gummy Stem Blight,, Target Spot, Powdery Mildew Quadris Top + Ridomil Gold Bravo SC mefenoxam fl oz 2 lb Apply at day intervals and alternate with mancozeb, maneb, Quadris or Flint. Flint 5 WG trifloxystrobin oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil 2 8 oz REI = 2 hours. Rotate with Bravo or mancozeb. Previcur Flex propamocarb 28.2 pt 2 REI = 2 hours. Must tank mix with another downy mildew fungicide. Curzate 6 DF cymoxanil 2.2 oz REI = 2 hours. Tank mix with or mancozeb. Reason 5 SC fenamidone 5.5 fl oz Rates vary. * Pythium Damping-Off Ranman cyazofamid fl oz Apply at - day interval beginning at flowering or at initial disease onset. Sonata Bacillus pumilus (bacteria) qt Can be used for organic production. Forum.8 F Gavel 5 DF Presidio SC Revus 2.8 SC Rally WSP Flint 5 WG Quintec Torino dimethomorph mancozeb + zoxamide fluopicolide mandipropamid myclobutanil trifloxystrobin quinoxyfen cyflufenamid M 22 U6 6 fl oz.5-2 lb - oz 8 fl oz oz.5-2 oz - 6 oz. oz 5 2 Some varieties are sensitive to Gavel see label. Do not apply more than.5 lb Rally per acre per crop. Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Quadris has the same mode of action. Resistance to Sphaerotheca is known. Microthiol Special wettable sulfur M2 2 lb Apply at first sign of disease and repeat at day intervals as needed. Do not apply when temperature is above degrees F. Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Uniform + mefenoxam. oz/, row ft In-furrow spray. Also effective for Rhizoctonia seedling blight. 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

13 RADISH Cercospora Leaf Spot White Rust Cercospora Leaf Spot Rust Pythium Damping-Off Phytophthora Stem Rot White Rust SPINACH Pythium Damping-Off White Rust VEGETABLE DISEASES (Commercial Production) continued Cabrio 2 EG 8-2 oz Use 8-6 oz for white rust control. See label for other information. Fontelis penthiopyrad 6 - fl oz Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Aliette 5 WDG fosetyl-al lb Apply at first sign of disease and repeat on a - 2 day schedule as needed. Beware of certain tank mixes see label. Foliar Leaf Spots White Rust White Rust Cercospora Early Blight Late Blight Rust Ridomil Gold-Copper mefenoxam + copper hydroxide M 2.5 lb 2 Spray at first sign of disease. Apply 2 days after Ridomil EC preplant application and on a day schedule afterwards as needed. See label for precautions. Quadris 2.8 FL fl oz Apply at first sign of disease and then on a - day schedule. Follow resistance management guidelines on label. Quadris 2.8 FL fl oz Apply preventively on a weekly basis. If possible, alternate applications with a fungicide with a different mode of action. Kocide 2 copper hydroxide M.5-2 lb Apply as needed. Use higher rate for heavier disease situations. Flecking may occur on leaves. Reason 5 SC fenamidone oz Fontelis penthiopyrad - 2 fl oz 52 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

14 SQUASH Angular Leaf Spot Kocide 2 copper hydroxide M lb Crop injury may occur at high rates. Quadris 2.8 SC - 5. fl oz Gummy Stem Blight Target Spot Scab, Alternaria Leaf Spot, Gummy Stem Blight,, Target Spot,, Gummy Stem Blight, Pythium Cercospora Leaf Spot Fruit and Stem Rot Cabrio 2 EG Bravo Ultrex Bravo WeatherStik Maneb 8 W Pristine maneb boscalid + Quadris Top + Fontelis Inspire Super penthiopyrad + cyprodinil Previcur Flex propamocarb hydrochloride Gavel 5 DF mancozeb + zoxamide Ridomil Gold Bravo mefenoxam + VEGETABLE DISEASES (Commercial Production) continued M 2-6 oz lb 2 - pt - 2 lb oz fl oz 2-6 fl oz 6-2 fl oz 28.2 pt 2 M 22 Apply at - day intervals prior to disease or at first sign. Alternate with a fungicide with different mode of action (e.g., Bravo) for downy mildew and spray on a 5 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8-2 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Lower rate for downy mildew. Lower rate for downy mildew. Various brands and formulations. Follow label. Best if applied as a preventative..5-2 lb 5 See label for important restrictions and application information. 2 lb Apply at day intervals and alternate with man cozeb, maneb, Quadris or Flint. Flint 5 WG trifloxystrobin oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil 2 8 oz REI = 2 hours. Must tank mix with contact fungicide with different mode of action (non group ). Reason 5 SC fenamidone fl oz See label information. Previcur Flex propamocarb 28.2 pt 2 REI = 2 hours. Must tank mix with another downy mildew fungicide. Curzate 6 DF cymoxanil 2.2 oz REI = 2 hours. Must tank mix with contact fungicide with different mode of action (non group ). See label for specific mixing information. Cuprofix Ultra Disperss copper sulfate M.25-2 lb 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

15 SQUASH (cont.) VEGETABLE DISEASES (Commercial Production) continued * Flint 5 WG trifloxystrobin.5-2 oz Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Quadris has the same mode of action. Folicur.6 F tebuconazole - 6 fl oz Rally WSP myclobutanil oz Do not apply more than.5 lb Rally per acre per crop. Bravo Ultrex Bravo WeatherStik lb 2 - pt Pythium Damping-Off Quadris 2.8 SC - 5. fl oz Microthiol Disperss wettable sulfur M2 2 lb Apply at first sign of disease and repeat at day intervals as needed. Do not apply when temperature is above degrees F. Pristine boscalid + Quintec quinoxyfen - 6 oz oz Best if applied at first evidence of disease. Follow label information. Torino cyflufenamid U6. oz Resistance to Sphaerotheca is known. Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Uniform + mefenoxam. oz/, row ft In-furrow spray. Also effective for Rhizoctonia seedling blight. SWEET POTATO Leaf Spot Headline Quadris 2.8 SC 6-2 fl oz fl oz See label for restrictions and application information. Scurf Foot Rot Black Rot Mertect -F thiabendazole oz/ gal Dip seedling roots into solution for 2 minutes and then plant. Botran 5 W dichloran. lb/ gal Same as above. Post- Rhizopus Botran 5 W dichloran lb/ gal Dip sweet potato in solution for seconds and do not rinse before shipment or storage. If dipping is not feasible, the solution can be sprayed on. Good coverage is crucial. Pythium Damping-Off Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Early Blight Scala pyrimethanil oz See label information. Botrytis Leaf Spot 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

16 SWEET POTATO (cont.) Early Blight and Late Blight Reason 5 SC fenamidone oz See label information. Early Blight, Early Blight TOMATO See tomato disease section WATERMELON Gummy Stem Blight Quadris 2.8 SC Cabrio 2 EG Target Spot Gummy Stem Blight Vertisan penthiopyrad - 2 fl oz Quadris Top fl oz Evito 8 SC or fluoxastrobin fl oz Aftershock Quadris Top fl oz 2-6 oz 2 - fl oz Apply at - day intervals prior to disease or at first sign. Alternate with a fungicide with different mode of action (e.g., Bravo) for downy mildew and spray on a 5 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8-2 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Bravo Ultrex lb Lower rate for downy mildew. Bravo WeatherStik 2 - pt Lower rate for downy mildew. Equus pt Apply at first true leaf stage or at first evidence of disease. Some weather restrictions apply to watermelons, etc. day intervals. Mancozeb 8 W mancozeb M 2 - lb 5 Various brands including Dithane, Penncozeb, Manzate, etc. Maneb 8 W maneb M - 2 lb 5 Various brands and formulations. Pristine boscalid oz Follow label information. Ridomil Gold Bravo SC mefenoxam pt Gummy Stem Blight Fontelis penthiopyrad 2-6 fl oz Inspire Super + cyprodinil 6-2 fl oz 55 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

17 WATERMELON (cont.) Cercospora Leaf Spot Fruit and Stem Rot Gummy Stem Blight Gavel 5 DF mancozeb + zoxamide Luna Experience fluopyram + tebuconazole Luna Sensation fluopyram + trifloxystrobin Ridomil Gold Bravo SC mefenoxam + M lb 5 See label for important restrictions and application information. 8 - fl oz.6 fl oz 2 lb Apply at day intervals and alternate with man - cozeb, maneb, Quadris or Flint. Flint 5 WG trifloxystrobin oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil 2 8 oz REI = 2 hours. Rotate with Bravo or mancozeb. Previcur Flex propamocarb 28.2 pt 2 REI = 2 hours. Must tank mix with another downy mildew fungicide. Curzate 6 DF cymoxanil 2.2 oz REI = 2 hours. Tank mix with or mancozeb. Reason 5 SC fenamidone 5.5 oz Rates may vary. Follow label. Forum.8 F Gavel 5 DF Presidio SC Reason 5 SC Revus 2.8 SC dimethomorph mancozeb + zoxamide fluopicolide fenamidone mandipropamid M 22 6 fl oz.5-2 lb - oz 5.5 oz 8 fl oz 5 2 Some varieties are sensitive to Gavel see label. * Rally WSP myclobutanil oz Do not apply more than.5 lb Rally per acre per crop. Flint 5 WG trifloxystrobin.5-2 oz Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Quadris has the same mode of action. Pristine boscalid oz Follow label. Best if applied at first evidence of disease. (continued) Quadris 2.8 SC - 5. fl oz 56 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28

18 WATERMELON (cont.) * (cont.) Luna Sensation fluopyram + trifloxystrobin -.6 fl oz Luna Experience fluopyram + tebuconazole 6 - fl oz Quintec quinoxyfen - 6 oz Torino cyflufenamid U6. oz Resistance to Sphaerotheca is known. Pythium Damping-Off Ridomil Gold SL mefenoxam 8-6 fl oz Apply to the soil at planting or transplanting. Uniform + mefenoxam. oz/, row ft In-furrow spray. Also effective for Rhizoctonia seedling blight. * of cucurbits is caused by two fungal genera, Sphaerotheca and Erysiphe, that can quickly (high risk) develop resistance to fungicides. Use a tank mix or premix with two modes of action (different numbers) and avoid sequential use of a single chemistry (same number) within the same season. VEGETABLE NEMATODES (Commercial Production) Travis Faske Nematode Nematicide Formulation Active Ingredient Root-Knot, Lesion, Stubby Root and Reniform Telone II Liquid,-dichloropropene Inject 2 inches below planting depth and seal immediately with appropriate bedding equipment. Wait - days before planting. Vydate L Liquid oxamyl RESTRICTED USE PESTICIDES For sale and use only by licensed/certified applicators or persons under their direct supervision. These are dangerous pesticides use caution in handling and read and follow current label directions. If nematodes are suspected to be causing problems, a diagnostic soil sample should be taken to the county agent for submission to the Cooperative Extension Service Nematode Diagnostic Laboratory. A small fee is required. 5 MP5 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 28