Table 15.13. Sweetpotato fungicides ordered by disease and then FRAC group according to their mode of action. (continued)
Pertinent Diseases
Fungicide
or Pathogens
Group1
Chemical
(active ingredients)
Max. Rate/Acre Min. Days to
Applic. Season Harvest Reentry Remarks2
Labels change frequently. Be sure to read a current product label before applying any chemical.
Headline SC 3 12 hr
Willowwood Pyrac 2EC
3 12 hr
(pyraclostrobin)
11 Reason 500SC
(fenamidone)
14 0
M2 Sulfur 90W 20 lb 1 For greenhouse use
11 & 3 Quadris TOP
(azoxystrobin; difenoconazole)
14 12 hr Make no more than 2 consecutive applications;
7 & 3 Aprovia Top
14 12 hr Apply on a 14-day interval; Do not apply more
than 2 consecutive applications; Addition
of a spreading/penetrating type adjuvant is
recommended.
Sclerotinia white mold 7 Endura
(boscalid)
10 oz 20 oz 10 12 hr Do not make more than 2 sequential
applications or with other Group 7 fungicides
7 Velum Prime
7 12 hr
7 Vertisan
(penthiopyrad)
7 12 hr
29 Omega 500F
3.5 pt 14 12 hr
3 Quash
(metconazole)
4 oz 16 1 Do not make more than 2 sequential
applications
7 & 9 Luna Tranquility
7 12 hr Do not make more than 2 sequential
applications of Luna Tranquility or any Group 7
or Group 9 fungicides
7 & 12 Miravis Prime
14 12 hr Apply at or before row closure followed by a
second application 14 days later; An adjuvant
may be added at recommended rates
3 & 7 Miravis Top
14 12 hr
application 14 days later; Minimum application
interval is 7 days
Scurf 11 Aftershock Evito 480 SC
oz/1000 row ft
7 12 hr Make no more than 1 application of seed
treatment or in furrow or banded application in
Tepera
conjunction with foliar application
11 Azoxystar
Mazolin tubers
application to tubers
Satori
Tetraban
(azoxystrobin)
4 hr Do not make more than 1 post-harvest
7 Vertisan
(penthiopyrad)
row ft
7 12 hr Make no more than 2 sequential applications
14 Botran 5F
(DCNA dicloran)
Seed dip -0.6
qt/7.5 gal
water; Plant
bed spray -
5.73 oz/1000
linear ft bed
(42 in)
3.2 qt 12 hr Do not plant tomatoes as a follow-up crop.
1 Mertect 340-F
gal water
12 hr Dip seed roots for 1-2 min and plant
immediately
Thiabendazole 4L ST
(thiabendazole)
11 & 3 Tepera Plus
21 12 hr Do not make more than 1 in-furrow or banded
application in conjunction with foliar application;
Do not make more than 2 applications per year
Septoria leaf spot M2 Micro Sulf 5 lb/treated
acre
0 1 Do not use within 2 weeks of an oil spray
treatment
2019 Vegetable Production Handbook of Florida 309