VEGETABLE DISEASES (Commercial Production)

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1 VEGETABLE DISEASES (Commercial Production) Terry Kirkpatrick and Travis Faske Disease Product Active Ingredient ASPARAGUS Rust Nova W myclobutanil oz Apply at first evidence of disease. pt Follow label instructions. Sonata Bacillus pumilus (bacteria) qt Can be used for organic production. Stemphylium Purple Spot Flint WG Quadris oz 6. fl oz BEANS (Snap and Pole) Pythium Damping Off Ridomil Gold SL mefenoxam 8 6 fl oz Preplant incorporate in the top inches. Also for this disease on lima and dry beans. Pythium and Rhizoctonia Damping Off Trilex + metalaxyl oz/cwt seed Basicop WP Champ.6F Tenn Cop E fixed copper M lb / / 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. lb Apply at first sign of disease on a weekly schedule as needed. Equus. pt Follow label directions. Endura boscalid 8 oz Apply at first sign of disease. and Rust Microthiol Special wettable sulfur M lb Apply at first sign of disease and repeat at day intervals as needed. Endura WG boscalid 8 oz day interval Headline.F 6 fl oz day interval Gray Mold (Botrytis), and Rust Priaxor fluxapyroxad + 8 fl oz Root and Stem Rot (Rhizoctonia solani) Blocker F PCNB pt Apply in furrow at planting. MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

2 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient BEANS (Dry),, Rust Bravo Ultrex Maneb 8WP M. lb. lb Apply at early bloom and repeat as needed at day intervals. Rust tebuconazole (various trade names.6f) tebuconazole 6 fl oz, Ascochyta Blight Quadris Opti +.6. pt See label for important restrictions and application information., Ascochyta Blight,, Rust Vertisan Priaxor penthiopyrad fluxapyroxad + fl oz 8 fl oz BEANS (Dry) and FIELD PEAS (Phaseolus and Vigna spp.), Ascochyta Blight, Mycosphaerella Blight,, Rust Headline Endura boscalid. 8 fl oz 8 oz See label for important restrictions and application information. Follow label instructions. Not labeled on peas. Topsin M.F thiophanate methyl fl oz See label information. Quilt Xcel + propiconazole. fl oz Rust, White Mold Proline 8SC prothioconazole. fl oz BRASSICA (Leafy Greens) White Rust (Albugo) Black Spot (Alternaria) Quadris.8 6. fl oz Apply prior to disease and continue on a day schedule. Do not make more than 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 fl oz 6 fl oz Revus mandipropamid 8 fl oz See label information. MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

3 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient CABBAGE, BROCCOLI, COLE CROPS Endura WP Maneb 8WP Ridomil Gold Bravo SC Cabrio EC Bravo Weatherstik Quadris.8 Switch 6.WG boscalid mefenoxam + cyprodinil + fludioxonil M 6 oz. lb. pt 6 oz. pt 6 fl oz oz day schedule. day schedule. day schedule. day schedule. day schedule. day schedule. day schedule. Ridomil Gold Bravo SC Cabrio EC Quadris.8 Aliette 8WG Presidio SC Reason SC Revus.8SC mefenoxam + fosetyl Al fluopicolide mandipropamid. pt 6 oz 6 oz lb fl oz. 8. 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 Inspire Super Quadris.8 Cabrio EG penthiopyrad + cyprodinil 6 fl oz 6 fl oz. fl oz 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 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Quadris Opti +. pt See label information. Quadris Top + 8 fl oz (continued) Pristine boscalid oz MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

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

5 Disease Product Active Ingredient CANTALOUPE (cont.) VEGETABLE DISEASES (Commercial Production) continued ** Rally WSP myclobutanil. oz Do not apply more than. lb Rally per acre per crop. Flint WG. oz Apply at first sign of disease on day schedule. Alternate with Bravo or other fungicides with different modes of action. Cabrio EG 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 8W mancozeb M lb Various brands including Dithane, Penncozeb, Manzate, etc. Maneb 8W M lb Various brands and formulations. Tilt.6EC 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.8SC Prosaro SC Stratego YLD Stratego Quilt Xcel Evito 8SC or Aftershock Priaxor Headline AMP prothioconazole + tebuconazole + prothioconazole propiconazole + + propiconazole fluoxastrobin fluxapyroxad + + metconazole 6 fl oz 6. fl oz 6. fl oz fl oz fl oz. fl oz. fl oz 8 fl oz. fl oz 6 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

6 Disease CUCUMBERS Product VEGETABLE DISEASES (Commercial Production) continued Active Ingredient Angular Leaf Spot Maneb 8W M lb 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.8SC Cabrio EG. fl oz 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 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Quadris Opti +. pt See label information. Bravo Ultrex.. lb pt Equus SST pt See label instructions. Apply at first true leaf, then at day intervals. Temperature restrictions on watermelon. See label information. Mancozeb 8W mancozeb M lb Various brands including Dithane, Penncozeb, Manzate, etc. Maneb 8W M lb Various brands and formulations. Pristine boscalid oz,, Gummy Stem Blight, Fontelis Inspire Super penthiopyrad + cyprodinil 6 fl oz 6 fl oz Reason SC. 8. fl oz See label information. Pythium Previcur Flex propamocarb hydrochloride 8. pt MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

7 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient CUCUMBERS (cont.) Cercospora Leaf Spot Fruit and Stem Rot ** Pythium Damping Off Gavel DF mancozeb + zoxamide Ridomil Gold Bravo Flint WG Tanos Previcur Flex Curzate 6DF Acrobat WP Forum.8F Gavel DF Presidio SC Reason SC Revus.8SC Flint WG Bravo Ultrex Quadris.8SC Microthiol Disperss Pristine Nova W or Rally WSP Procure WP Quadris Opti.SC Quintec Torino Ridomil Gold SL Uniform mefenoxam + famoxadone + cymoxanil propamocarb hydrochloride cymoxanil dimethomorph dimethomorph mancozeb + zoxamide fluopicolide mandipropamid wettable sulfur boscalid + myclobutanil triflumizole + quinoxyfen cyflufenamid mefenoxam + mefenoxam M 8 M M U6. lb See label for important restrictions and application information. lb oz 8 oz. pt. oz 6. oz 6 fl oz. lb oz. oz 8 fl oz. oz.. lb pt. fl oz lb. 8. oz. oz 8 oz. pt 6 oz. oz 8 6 fl oz. oz/, row ft Apply at day intervals and alternate with mancozeb,, Quadris or Flint. Apply in alternation with Bravo, Ridomil Gold Bravo. REI = hours. Must tank mix with fungicides of different mode of action (non group ). REI = hours. Must tank mix with another downy mildew fungicide. REI = hours. Must tank mix with fungicides of different mode of action (non group ). Allow sprays to dry before harvest begins. REI = hours. 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. lb Rally per acre per crop. Resistance to Sphaerotheca is known. Apply to the soil at planting or transplanting. In furrow spray also effective for Rhizoctonia seedling blight. 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

8 EGGPLANT Disease Product Active Ingredient, Cercospora, Gray Leaf Spot, Alternaria, Powdery Mildew, Target Spot Alternaria, Target Spot OKRA Quadris Top + Quadris.8SC Cabrio EG Reason SC Priaxor fluxapyroxad + VEGETABLE DISEASES (Commercial Production) continued Quilt + propiconazole 8 fl oz 6.. fl oz 8 oz. oz 8 fl oz 6 fl oz Fontelis penthiopyrad fl oz Evito 8SC or Aftershock Quadris.8SC Reason SC fluoxastrobin. fl oz 6. fl oz. oz Seedling Disease Quadris.8SC..8 fl oz/, row ft ONION, GARLIC, LEEK, SHALLOT Alternaria Blotch Cabrio EG Pristine Scala SC boscalid + pyrimethanil 8 oz. 8. oz 8 oz Apply prior to disease and on a day schedule as needed. Do not make more than consecutive applications and do not make more than applications per crop year. Do not apply more than. qts per acre per season. See Cabrio label. Apply prior to disease and on a day schedule as needed. Do not make more than con secutive applications and do not make more than applications per crop year. Do not apply more than. qts per acre per season. N/A In furrow at planting or inch band over the row shortly after emergence. Follow label directions closely. 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 Quadris Top + 6 fl oz fl oz Fontelis penthiopyrad fl oz MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

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

10 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient PEPPER (cont.) Alternaria, Target Spot Evito 8SC or Aftershock fluoxastrobin. fl oz Southern Blight Blocker F PCNB.. pt/ gal water Use / pint transplant solution per plant. Do not exceed. 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. lb/ lb seed pieces Uniform coverage is essential. POTATO (Foliar Diseases) Early Blight Late Blight Botrytis Rot Quadris.8SC 6.. 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. pt Apply on a weekly schedule in alternation with other fungicides, as needed. Kocide copper hydroxide M. lb Use higher rates if disease is severe. Mancozeb 8W mancozeb M lb Several brands and formulations. Manex with Zinc M.8.6 qt Use higher rates if disease is severe. Other brands of may be available. Late Blight Early Blight Gavel DF mancozeb + zoxamide M. lb See label for important restrictions and application information. Previcur Flex propamocarb hydrochloride 8.. pt Headline 6 fl oz Use 6 fl oz for late blight. See label for other information. Reason SC. fl oz See label for additional information. Rates vary. Late Blight, Early Blight, Quadris Opti +. pt See label information. 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

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

12 VEGETABLE DISEASES (Commercial Production) continued Disease PUMPKIN (cont.), Alternaria Leaf Spot, Gummy Stem Blight,, Target Spot, Powdery Mildew ** Product Quadris Top Ridomil Gold Bravo SC Flint WG Active Ingredient + mefenoxam + Tanos famoxadone + cymoxanil Previcur Flex propamocarb Curzate 6DF cymoxanil 8 fl oz lb oz Apply at day intervals and alternate with mancozeb,, Quadris or Flint. Apply in alternation with Bravo, Ridomil Gold Bravo. 8 oz REI = hours. Rotate with Bravo or mancozeb.. pt REI = hours. Must tank mix with another downy mildew fungicide.. oz REI = hours. Tank mix with or mancozeb. Acrobat WP dimethomorph 6. oz Allow sprays to dry before harvest begins. REI = hours. Reason SC Ranman cyazofamid. fl oz.. fl oz Rates vary. Apply at day interval beginning at flowering or at initial disease onset. Sonata Bacillus pumilus qt Can be used for organic production. (bacteria) Forum.8F Gavel DF Presidio SC Revus.8SC Rally WSP dimethomorph mancozeb + zoxamide fluopicolide mandipropamid myclobutanil M 6 fl oz. lb oz 8 fl oz. oz Some varieties are sensitive to Gavel see label. Do not apply more than. lb Rally per acre per crop. Flint WG Quintec Torino Microthiol Special quinoxyfen cyflufenamid wettable sulfur U6 M. oz 6 oz. oz lb 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. Apply at first sign of disease and repeat at day intervals as needed. Do not apply when temperature is above degrees F. 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. 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

13 RADISH Disease Product Active Ingredient 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 EG 8 oz Use 8 6 oz for white other information. Fontelis penthiopyrad 6 fl oz rust control. See label for 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 WDG fosetyl Al. lb Apply at first sign of disease and repeat on a 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. lb Spray at first sign of disease. Apply days after Ridomil EC preplant application and on a day schedule afterwards as needed. See label for precautions. Quadris.8FL 6.. fl oz Apply at first sign of disease and then on a day schedule. Follow resistance management guidelines on label. Quadris.8FL Kocide copper hydroxide M.. fl oz. lb Reason SC. 8. oz Fontelis penthiopyrad fl oz Apply preventively on a weekly basis. If possible, alternate applications with a fungicide with a different mode of action. Apply as needed. Use higher rate for heavier disease situations. Flecking may occur on leaves. 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

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

15 SQUASH (cont.) Disease Product Active Ingredient VEGETABLE DISEASES (Commercial Production) continued ** Flint WG. 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.6F tebuconazole 6 fl oz Rally WSP myclobutanil. oz Do not apply more than. lb Rally per acre per crop. Bravo Ultrex.. lb pt Quadris.8SC. fl oz Microthiol Disperss wettable sulfur M 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. 8. oz Best if applied at first evidence of disease. Follow label information. 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. SWEET POTATO Leaf Spot Headline Quadris.8SC 6 fl oz 6. fl oz See label for restrictions and application information. Scurf Foot Rot Black Rot Mertect F Botran W thiabendazole dichloran oz/ gal. lb/ gal Dip seedling roots into solution for minutes and then plant. Same as above. Post Rhizopus Botran 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 86 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

16 Disease Product Active Ingredient SWEET POTATO (cont.) Early Blight and Late Blight Early Blight, VEGETABLE DISEASES (Commercial Production) continued Reason SC. 8. oz See label information. Vertisan Quadris Top Early Blight Evito 8SC or Aftershock TOMATO See tomato disease section WATERMELON Gummy Stem Blight Quadris.8SC Cabrio EG Target Spot Gummy Stem Blight Quadris Top Bravo Ultrex Equus Mancozeb 8W Maneb 8W Pristine Ridomil Gold Bravo SC penthiopyrad + fl oz 8 fl oz fluoxastrobin.8 fl oz + mancozeb boscalid + mefenoxam + M M. fl oz 6 oz fl oz.. lb pt pt lb lb. 8. oz.. pt 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 day schedule if conditions favor this disease. Cabrio rate for downy mildew control is 8 oz per acre. Do not use adjuvants with Cabrio or tank mix with other pesticides or crop injury may result. Apply at first true leaf stage or at first evidence of disease. Some weather restrictions apply to watermelons, etc. day intervals. Various brands including Dithane, Penncozeb, Manzate, etc. Various brands and formulations. Follow label information. Gummy Stem Blight Fontelis Inspire Super penthiopyrad + cyprodinil 6 fl oz 6 fl oz 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

17 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient WATERMELON (cont.) Cercospora Leaf Spot Fruit and Stem Rot Gavel DF mancozeb + zoxamide M. lb See label for important restrictions and application information. Gummy Stem Blight Luna Experience fluopyram + tebuconazole Luna Sensation fluopyram + Ridomil Gold Bravo SC mefenoxam + ** 8 fl oz.6 fl oz lb Apply at day intervals and alternate with man cozeb,, Quadris or Flint. Flint WG oz Apply in alternation with Bravo, Ridomil Gold Bravo. Tanos famoxadone + cymoxanil 8 oz REI = hours. Rotate with Bravo or mancozeb. Previcur Flex propamocarb 8. pt REI = hours. Must tank mix with another downy mildew fungicide. Curzate 6DF cymoxanil. oz REI = hours. Tank mix with or mancozeb. Acrobat WP dimethomorph 6. oz Allow sprays to dry before harvest begins. REI = hours. Reason SC. oz Rates may vary. Follow label. Forum.8F Gavel DF Presidio SC Reason SC Revus.8SC Rally WSP Flint WG Pristine dimethomorph mancozeb + zoxamide fluopicolide mandipropamid myclobutanil boscalid + M 6 fl oz. lb oz. oz 8 fl oz. oz. oz. 8. oz Some varieties are sensitive to Gavel see label. Do not apply more than. 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. Follow label. Best if applied at first evidence of disease. (continued) Quadris.8SC. fl oz 88 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

18 VEGETABLE DISEASES (Commercial Production) continued Disease Product Active Ingredient WATERMELON (cont.) ** (cont.) Luna Sensation fluopyram +.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. * Code Fungicides with the same Code have the same mode of action. See for an explanation of the Codes. Rotation of fungicides with different Codes could minimize the development of fungicide resistant strains. ** 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 Code numbers) and avoid sequential use of a single chemistry (same Code number) within the same season. VEGETABLE NEMATODES (Commercial Production) Terry Kirkpatrick and Travis Faske Nematode Nematicide Formulation Active Ingredient Root Knot, Lesion, Stubby Root and Reniform Telone II K Pam or Vapam Liquid Liquid, dichloropropene potassium N methyldithiocarbamate or sodium methyldithiocarbamate Inject inches below planting depth and seal immediately with appropriate bedding equipment. Wait days before planting. Inject inches below planting depth and seal immediately 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. 8 MP ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 6

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