Midwest Vegetable Guide - 2022 - 182

Leafy Vegetables and Herbs (Non-Brassica) - Diseases
Previcur Flex (6) (propamocarb) Head Lettuce, Leaf
Lettuce | 2 pts. per acre. REI: 12-hour. PHI: 2-day. FRAC 28.
Ranman 400SC (34.5) (cyazofamid) Chicory, Endive,
Escarole, Head Lettuce, Leaf Lettuce, Radicchio | 2.75 fl. oz.
per acre. REI: 12-hour. PHI: 0-day. FRAC 21.
Revus (2.08SC) (mandipropamid) Head Lettuce, Leaf
Lettuce | 8 fl. oz. per acre. REI: 4-hour. PHI: 1-day. FRAC
40.
Tanos (DF) (famoxadone, cymoxanil) Chicory, Endive,
Escarole, Head Lettuce, Leaf Lettuce, Radicchio | 8-10 oz.
per acre. REI: 12-hour. PHI: 1-day. FRAC 11, FRAC 27.
Topguard EQ (SC) (flutriafol, azoxystrobin) Chicory,
Endive, Escarole, Head Lettuce, Leaf Lettuce, Radicchio | 6-8
fl. oz. per acre. REI: 12-hour to 3-day. PHI: 7-day. FRAC 03,
FRAC 11.
Zampro (SC) (ametoctradin, dimethomorph) Chicory,
Endive, Escarole, Head Lettuce, Leaf Lettuce, Radicchio | 14
fl. oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 45, FRAC
40.
Downy Mildew of Multiple Crops -
Peronospora Oomycete
Non-Pesticide
Arugula, Basil, Cress | Use disease-free seed and transplants.
Hot water seed treatment may reduce this seedborne disease.
Use temperatures and times of 122 F for 25 minutes for
spinach, and 122 for 15 minutes for cress. Rotate to non-host
crops for 3 years. Varieties with partial resistance are
available. Use raised beds and adequate plant spacing to
improve drainage, air flow. Monitor humidity in the
hoophouse and vent appropriately.
Pesticide
azoxystrobin products (azoxystrobin) Arugula, Endive,
Parsley, Radicchio, Spinach | 12-15.5 fl. oz. per acre. REI: 4hour.
PHI: 0-day. FRAC 11.
Curzate 60DF (cymoxanil) Spinach | 5.0 oz. per acre. REI:
12-hour. PHI: 1-day. FRAC 27.
Merivon (fluxapyroxad, pyraclostrobin) Chive, Spinach |
6-11 fl. oz. per acre. Downy mildew suppression only. REI:
12-hour. PHI: 1-day. FRAC 07, FRAC 11.
Orondis Ultra Premix (SC) (oxathiapiprolin,
mandipropamid) Chive, Spinach | 5.5-8.0 fl. oz. per acre.
REI: 4-hour. PHI: 1-day. FRAC 49, FRAC 40.
phosphite and phosphorous acid products (phosphorous
acid, potassium phosphite, mono-dipotassium salts of
182
phosphorous acid, mono- and dibasic sodium, potassium,
and ammonium phosphites, fosetyl-aluminum) Basil,
Chive, Spinach | Several phosphite or phosphorus acid
products (Aliette, Phostrol, ProPhyt, Rampart) are labeled at
various rates. Label includes different crops, PHIs, resistance
instructions, and other important information. Some
manufacturers recommend tank-mixing. These products may
be used in a preventative program until the disease is
observed. Check label carefully for presence of crop of
interest, especially herbs. REI: 4 to 12-hour. FRAC 33.
Presidio (4SC) (fluopicolide) Basil, Chive, Spinach | 3-4 fl.
oz. per acre. REI: 12-hour. PHI: 2-day. FRAC 43.
Ranman 400SC (34.5) (cyazofamid) Basil, Chive, Spinach |
2.75-3.0 fl. oz. per acre. High rate only allowed on basil. REI:
12-hour. PHI: 0-day. FRAC 21.
Reason 500SC (4.13) (fenamidone) Basil, Head Lettuce,
Leaf Lettuce | Rate depends on crop. For example, lettuce is
5.5-8.2 fl oz. per acre. Basil is 6.0 fl. oz. per acre. REI: 12hour.
PHI: 2-day. FRAC 11.
Revus (2.08SC) (mandipropamid) Basil, Chive, Spinach | 8
fl. oz. per acre. REI: 4-hour. PHI: 1-day. FRAC 40.
Tanos (DF) (famoxadone, cymoxanil) Chive, Spinach | 8-10
oz. per acre. REI: 12-hour. PHI: 1-day. FRAC 11, FRAC 27.
Topguard EQ (SC) (flutriafol, azoxystrobin) Spinach | 6-8
fl. oz. per acre. REI: 12-hour to 3-day. PHI: 7-day. FRAC 03,
FRAC 11.
Zampro (SC) (ametoctradin, dimethomorph) Spinach | 14
fl. oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 45, FRAC
40.
Gray Mold of Multiple Crops - Botrytis
Fungus
This disease often occurs in greenhouse production with high
humidity.
Non-Pesticide
Arugula, Basil, Chicory, Chive, Cilantro, Coriander, Cress,
Dill, Endive, Escarole, Fennel, Florence Fennel, Head
Lettuce, Lavender, Leaf Lettuce, Marjoram, Oregano,
Parsley, Radicchio, Rosemary, Sage, Savory, Spinach, Swiss
Chard, Tarragon, Thyme | Use raised beds and adequate plant
spacing to improve drainage, air flow. Monitor humidity in
the hoophouse and vent appropriately. Prompt destruction of
the finished crop with tillage to rapidly breakdown tissue is
an important method to prevent disease build-up.
Midwest Veg Guide 2022
Midwest Vegetable Guide - 2022

Table of Contents for the Digital Edition of Midwest Vegetable Guide - 2022
