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Greenhouse Disease Management

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February 14, 2020 - Author:

Botrytis

  • “A” Team. Daconil (chlorothalonil)[M05], Decree (fenhexamid)[17], Pageant Intrinsic (pyraclostrobin + boscalid)[11/7], Affirm WDG (polyoxin D zinc salt)[19], Astun (isofetamid)[7], Broadform (fluopyram + trifloxystrobin)[7/11], Orkestra (fluxapyroxad + pyraclostrobin)[7/11], Palladium (cyprodinil + fludioxonil)[9/12], Mural (azoxystrobin + benzovindiflupyr)[11/7], Medallion/Emblem (fludioxonil – do not apply to geraniums)[12]
  • “B” Team. (Not recommended when disease pressure is high). Iprodione Pro 2SE/Chipco 26019/26 GT (iprodione)[2]

Powdery Mildew

  • “A+” Team. Eagle (myclobutanil)[3], Terraguard SC (triflumizole)[3], Tourney (metconazole)[3]
  • “A/A-” Tea.m Pageant Intrinsic (pyraclostrobin + boscalid)[11/7], Palladium WDG (fludioxonil + cyprodinil)[12/9], Mural (azoxystrobin + benzovindiflupyr)[11/7], Orkestra (fluxapyroxad + pyraclostrobin)[11/7]
  • “B” Team. Heritage (azoxystrobin)[11], Compass (trifloxystrobin)[11], Insignia (pyraclostrobin)[11]

Downy Mildew

  • “A+” Team. Subdue MAXX (mefenoxam)[4], Adorn (fluopicolide)[43], Segovis (oxathiapiprolin)[49]
  • “A-” Team. Stature SC (dimethomorph)[40], Micora (mandipropamid)[40], Orvego (ametoctradin + dimethomorph)[45/50], Segway (cyazofamid)[21], FenStop (fenamidone)[11]
  • “B” Team. Alude (phosphorous acid products)[33], Heritage 50WG (azoxystrobin)[11], Insignia (pyraclostrobin)[11], Pageant Intrinsic (pyraclostrobin + boscalid)[11/7], Protect DF (mancozeb)[M03], Compass (trifloxystrobin)[11]

Phytophthora

  • “A” Team. Subdue MAXX (mefenoxam)[4], Adorn (fluopicolide)[43], Micora (mandipropamid)[40], Segovis (oxathiapiprolin)[49]
  • “B” Team. FenStop (fenamidone)[11], Alude (phosphorous acid products)[33], Captan (captan)[M04], Aliette WDG (fosetyl-al)[33], Segway (cyazofamid)[21], Truban/Terrazole L (etridiazole)[14], Orvego (ametoctradin + dimethomorph)[45/50], Stature SC (dimethomorph)[40]

Pythium

  • “A” Team. Truban/Terrazole L (etridiazole)[14], Banol (propamocarb)[28], Subdue MAXX (mefenoxam) [4/Watch for pathogen resistance]
  • “B/B-“ Team. Captan (captan)[M04], FenStop SC (fenamidone)[11], Heritage 50WDG (azoxystrobin)[11], Empress Intrinsic Brand Fungicide (pyraclostrobin)[11], Segway (cyazofamid)[21], Alude (phosphorous acid products)[33]

Rhizoctonia

  • “A” Team. Medallion/Emblem (fludioxonil)[12], Terraclor 400 (pentachloronitrobenzene)[14], Affirm WDG (polyoxin D zinc salt)[[19], Pageant Intrinsic (pyraclostrobin + boscalid)[11/7], Tourney (metconazole)[3], Empress Intrinsic Brand Fungicide (pyraclostrobin)[11]
  • “B+” Team. 3336/OHP 6672 (thiophanate-methyl)[1], Captan (captan)[M04], Heritage 50WG (azoxystrobin)[11]

Thielaviopsis

  • Recommendations [Use high labeled rates]: 3336/OHP 6672 (thiophanate-methyl)[1], Terraguard SC (triflumizole)[3], Medallion/Emblem (fludioxonil)[12], Tourney (metconazole)[3]

Bacterial Diseases

  • Camelot O (copper salts of fatty and rosin acids)[M01], Champ, CuPRO (copper hydroxide) [M01], Phyton 27/35 (copper sulphate pentahydrate) [M01], Nordox 75WG (cuprous oxide) [M01], C-O-C-S (copper oxychloride + copper sulfate) [M01], Copper-Count-N (copper, bis[acetato-O]diamine)[M01]

*This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. The pesticide label is the legal document on pesticide use. Read the label, as they change often and follow the instructions closely. The use of a pesticide inconsistent with the label directions can lead to civil or criminal fines and/or condemnation of the crop.

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Tags: greenhouse pest management


Related Topic Areas

Floriculture & Greenhouse Crop Production


Authors

Mary Hausbeck

Mary Hausbeck
hausbec1@msu.edu

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