CONIFER DISEASES (Commercial)
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1 Phytophthora Pythium Disease Product Active Ingredient Heritage (not labeled for pythium except turf) CONIFER DISEASES (Commercial) Sherrie Smith azoxystrobin oz/100 gal 4 hours See label for specific rates. Do not allow drift to apples or crabapples. Mural azoxystrobin + benzovindiflupyr oz/100 gal 12 hours depends on whether used as soil drench or foliar spray. See label. Adorn fluopicolide fl oz/100 gal 12 hours Adorn must be tank-mixed with another labeled fungicide for resistance management. Subdue MAXX mefenoxam fl oz/100 gal 48 hours Drench rate. Segovis (not labeled for pythium) oxanthiapiprolin U fl oz/ 100 gal 4 hours Make no more than 2 consecutive applications before switching to another non-u15 group fungicide. blight ( juniperovora) Heritage azoxystrobin oz/100 gal 4 hours Apply every 7-28 days. Mural azoxystrobin + benzovindiflupyr oz/100 gal 12 hours Apply every 7-21 days. Kocide 2000 copper hydroxide M lb/a hours Kocide 3000 copper hydroxide M lb/a hours initiation of new growth. initiation of new growth. Protect DF mancozeb M3 1-2 lb/100 gal 24 hours Mancozeb 4 FL mancozeb M3 1.2 qt/100 gal 24 hours (continued) Junction mancozeb + copper hydroxide M lb/100 gal (1/2 tbs/gal) 24 hours Do not apply Junction in a spray solution having less than 6.5 ph as phytotoxicity may occur. 92 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
2 CONIFER DISEASES (Commercial) continued Disease Product Active Ingredient blight (cont.) ProPensity 1.3 ME propiconazole fl oz/100 gal 24 hours Apply every days. ( juniperovora) 3336 EG thiophanate-methyl oz/100 gal 12 hours 3336 WP thiophanate-methyl oz/100 gal 12 hours 3336 F thiophanate-methyl fl oz/100 gal 12 hours Begin treatment in the fall at first sign of Kabatina blight (Kabatina juniperi) Protect DF mancozeb M3 1-2 lb/100 gal 24 hours Begin treatment in the fall at first sign of 3336 F thiophanate-methyl fl oz/100 gal 12 hours Begin treatment in the fall at first sign of 3336 WP thiophanate-methyl oz/100 gal 12 hours Begin treatment in the fall at first sign of 3336 EG thiophanate-methyl oz/100 gal 12 hours Begin treatment in the fall at first sign of Cercospora needle blight Kocide 2000 copper hydroxide M lb/a hours Kocide 3000 copper hydroxide M lb/a hours initiation of new growth and repeat at 7-30 day intervals if needed. initiation of new growth and repeat at 7-30 day intervals if needed.. Mancozeb 4 FL mancozeb M3 1.2 qt/100 gal 24 hours Junction mancozeb + copper hydroxide M3 + M1 1.5 lb/100 gal (1/2 tbs/gal) 24 hours Do not apply Junction in a spray solution having less than 6.5 ph as phytotoxicity may occur. Eagle 20 EW myclobutanil 3 8 fl oz/100 gal 24 hours See label for rates per 93 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
3 Disease Product Active Ingredient CONIFER DISEASES (Commercial) continued Botrytis seedling blight Daconil Ultrix chlorothalonil M lb/acre 12 hours Pegasus HPX chlorothalonil M pt/acre 12 hours Pegasus DFX chlorothalonil M lb/acre 12 hours Phoma Daconil Ultrix chlorothalonil M lb/acre 12 hours Pegasus HPX chlorothalonil M pt/acre 12 hours Pegasus DFX chlorothalonil M lb/acre 12 hours See label for application rates per disease and repeat See label for application rates per disease and repeat 3336 F thiophanate-methyl fl oz/100 gal 12 hours 3336 WP thiophanate-methyl fl oz/100 gal 12 hours Tip blight ( spp.) 3336 EG thiophanate-methyl fl oz/100 gal 12 hours Heritage azoxystrobin oz/100 gal 4 hours Apply every 7-28 days. Mural azoxystrobin + benzovindiflupyr oz/100 gal 12 hours Apply every 7-21 days. (continued) Daconil Ultrix chlorothalonil M lb/acre 12 hours 94 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
4 Tip blight (cont.) ( spp.) Disease Product Active Ingredient CONIFER DISEASES (Commercial) continued Pegasus HPX chlorothalonil M pt/acre 12 hours Pegasus DFX chlorothalonil M lb/acre 12 hours See label for application rates per disease and repeat applications ProPensity 1.3 ME propiconazole fl oz/100 gal 24 hours Apply every days. Banner MAXX ll propiconazole fl oz/100 gal 12 hours Banner MAXX propiconazole fl oz/100 gal 24 hours Concert propiconazole + chlorothalonil Concert ll propiconazole + chlorothalonil 3 + M fl oz/100 gal 12 hours depends on See label. 3 + M fl oz/100 gal 12 hours depends on See label. Bayleton FLO triadimefon fl oz/100 gal 12 hours Bayleton 50 triadimefon fl oz/100 gal 12 hours Monochaetia canker Mancozeb 4 FL mancozeb M3 1.2 qt/100 gal 24 hours Junction mancozeb + copper hydroxide M3 + M1 1.5 lb/100 gal (1/2 tbs/gal) 24 hours Do not apply Junction in a spray solution having less than 6.5 ph as phytotoxicity may occur. Pestalotia Protect DF mancozeb M3 1-2 lb/100 gal 24 hours See label for additional Dothistroma needle blight Mancozeb 4 FL mancozeb M3 1.2 qt/100 gal 24 hours Junction mancozeb + copper hydroxide M3 + M1 1.5 lb/100 gal (1/2 tbs/gal) 24 hours Do not apply Junction in a spray solution having less than 6.5 ph as phytotoxicity may occur. 95 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
5 Disease Product Active Ingredient CONIFER DISEASES (Commercial) continued Rhizosphaeria Daconil Ultrex chlorothalonil M lb/acre 12 hours Rhizosphaeria Pegasus HPX chlorothalonil M pt/acre 12 hours Scleroderris canker Heritage azoxystrobin oz/100 gal 4 hours Apply every 7-28 days. Diplodia tip blight Swiss needlecast Mural azoxystrobin + benzovindiflupyr oz/100 gal 12 hours Apply every 7-21 days Swiss needlecast Interior needle blight Daconil Ultrex chlorothalonil M lb/acre 12 hours Scleroderris canker Rhizosphaeria Scirrhia Cyclaneusma Rhabdocline 96 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
6 Disease Product Active Ingredient Swiss needlecast Scleroderris canker Rhizosphaeria Scirrhia Cyclaneusma Rhabdocline CONIFER DISEASES (Commercial) continued Pegasus HPX chlorothalonil M pt/acre 12 hours Anthracnose Cercospora Needlecasts Kocide 2000 copper hydroxide M lb/a hours initiation of new growth and repeat at 7-30 day intervals if needed. Anthracnose Cercospora Needlecasts Kocide 3000 copper hydroxide M lb/a hours initiation of new growth and repeat at 7-30 day intervals if needed. Naemacyclus Ismiella Diplodia Protect DF mancozeb M pt/acre 24 hours spring when new shoot growth is 1/2-2 applications Pestalotia 97 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
7 CONIFER DISEASES (Commercial) continued Disease Product Active Ingredient Dothistroma Mancozeb 4 FL mancozeb M3 1-2 lb/100 gal 24 hours Monochaetia canker Scirrhia brown spot Pine gall rust Koverall mancozeb M3 1-2 lb/100 gal Begin applications in early summer before disease starts. Scirrhia brown spot Swiss needlecast Cercospora Eagle 20 EW myclobutanil 3 8 fl oz/100 gal 24 hours Apply as full coverage to the point of drip. ProPensity 1.3 ME propiconazole fl oz/100 gal 24 hours Apply ProPensity every days Sirroccus Banner MAXX propiconazole fl oz/100 gal 24 hours Sirroccus Banner MAXX ll propiconazole fl oz/100 gal 12 hours Sirroccus Concert propiconazole + chlorothalonil 3 + M fl oz/100 gal 12 hours depends on See label. 98 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
8 CONIFER DISEASES (Commercial) continued Disease Product Active Ingredient Sirroccus Concert ll propiconazole + chlorothalonil 3 + M fl oz/100 gal 12 hours depends on See label Diplodia 3336 F thiophanate-methyl fl oz/100 gal 12 hours For needlecasts, make one application of thiophanate-methyl in spring when new shoot growth is 1/2-2 inches in length. See label for additional Diplodia 3336 WP thiophanate-methyl fl oz/100 gal 12 hours depends on See label. Diplodia 3336 EG thiophanate-methyl fl oz/100 gal 12 hours depends on See label. Bayleton FLO triadimefon fl oz/100 gal 12 hours depends on See label. Sirrococcus Sirrococcus Bayleton 50 triadimefon fl oz/100 gal 12 hours For rusts, begin when needles break through the fascicle sheath. Make applications at day intervals. 99 MP154 ARKANSAS PLANT DISEASE CONTROL PRODUCTS GUIDE 2018
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