BLUEBERRY DISEASES
| Disease | Chemical and Formulation | Rate/100 gal Dilute | Acre Concentrate | Remarks |
| Phomopsis twig blight (Phomopsis spp.) | Indar
2F Ziram 76DF Pristine 38WG Switch 62.5WG Omega 500F Abound 2.08F Azaka OSO Ph-D Tavano 5SC Captan products |
--
-- -- -- -- -- -- -- |
6.0 fl oz
3.0 lb 6.2-15.4 fl oz 3.75-13.0 fl oz See product labels |
Begin applications before disease development and continue on a 7-to-14 day schedule, following resistance management guidelines. For Phomopsis twig blight control, make the first Indar application at early green tip and make subsequent applications at 8-to-14 day intervals. Applying Indar alone during bloom can increase fruit rots, so tank-mix Captan with Indar for bloom sprays to alleviate this problem. Do not make more than 4 applications (24 fl oz) of Indar or apply within 30 days of harvest. Apply Ziram at loose bud scale stage and 7 days later. Do not apply more than two sequential applications of Abound, Azaka, or Pristine before alternating with a fungicide that has a different mode of action. Do not apply more than 1.44 qt of Abound, 46 fl oz of Azaka, 92 oz of Pristine, 56 oz of Switch, 7.5 pt Omega 500, or 43.7 lb of Captan per acre per year. Abound, Pristine, and Switch may be applied the day of harvest. Caution: Abound is extremely phytotoxic to some apple cultivars, including ‘Gala’. Prevent spray drift and leftover residue in the spray tank which may come in contact with apples. |
| Mummy berry twig/fruit infection | Indar
2F Orbit 3.6E Tilt 3.6E PropiMax 3.6E Bumper41.8EC Quash 50WDG Quilt Xcel Proline 480SC Pristine 38WG Switch 62.5WG Abound 2.08F Azaka Serenade MAX Serenade ASO |
-- -- -- -- -- -- -- -- -- -- -- -- -- -- |
6.0 fl oz 6.0 fl oz 6.0 fl oz 6.0 fl oz 6.0 fl oz 2.5 oz 14-21 fl oz 5.7 fl oz 18.5-23.0 oz 11.0-14.0 oz 6.2-16.5 fl oz 6.0-15.5 fl oz 1-3 lb 2-6 qt |
Begin applications before
disease development
and continue on a 7-to-14 day schedule, following
resistance management
guidelines. Start applications of Indar, Orbit, Tilt,
Bumper, Propimax, or
Quilt Xcel, at early green tip and make subsequent
applications at 8-to-14 day
intervals. Serenade applications should begin at bud-break
and continue at
7-to-10 day intervals. Applying Indar alone during bloom
can increase fruit
rots, so tank-mix Captan with Indar for bloom sprays to
alleviate this problem.
Do not make more than two sequential applications of
Abound, Pristine, Quash, Quilt
Xcel, or Captevate before alternating with a fungicide
that has a different
mode of action. Do not apply Indar, Orbit, Bumper,
Propimax,
Tilt, or Quilt Xcel within
30 days of harvest. Do
not make more than 4 applications or apply more than 24.0
fl oz of Indar; do
not apply more than 30.0 oz of Orbit, 43.7 lb of Captan,
92.0 oz of Pristine,
21.0 lb of Captevate, 1.44 qt of Abound, 46 fl oz of
Azaka, 30 fl oz of Bumper,
56 oz of Switch, 7.5 oz of Quash, 11.4 fl oz of Proline,
or 82 fl oz of Quilt
Xcel per acre
per year. Caution:
Abound is extremely phytotoxic to
some apple cultivars, including ‘Gala’. Prevent spray
drift and leftover
residue in the spray tank which may come in contact with
apples.
.
|
|
Fruit Rots (Anthracnose, Alternaria rot, Glomerella |
Pristine
38WG Switch 62.5WG Abound 2.08F Azaka captan products Captevate 68WDG Omega 500F Serenade MAX Ziram 76DF OSO Ph-D Tavano 5SC |
-- -- -- -- -- -- -- -- -- -- -- -- |
18.5-23.0
oz 11.0-14.0 oz 6.2-15.4 fl oz 6.0-15.5 fl oz see product labels 4.7 lb 1.25 pt 1-3 l 1.5 lb 3.75-13.0 fl oz 6.2 oz 3.75-13.0 fl oz |
Early Bloom to Post Bloom: Begin applications before disease development and continue on a 7-to-10 day interval, following resistance management guidelines. Observe pre-harvest and re-entry restrictions. Do not make more than two sequential applications of Abound, Pristine, or Captevate before alternating with a fungicide that has a different mode of action. Caution: Abound is extremely phytotoxic to some apple cultivars including ‘Gala’. Prevent spray drift and leftover reside in the spray tank which may come in contact with apples. OSO and Tavano labelled for suppression only for anthracnose: see labels for precautions. Do not apply more than 92.0 oz of Pristine, 56.0 oz of Switch, 1.44 qt of Abound, 46 fl oz of Azaka, 43.7 lb of Captan, 21.0 lb of Captevate, 7.5 pt of Omega 500, 20 lb of Ziram 76F, 78.0 fl oz of OSO or Tavano, or 18.6 oz of Ph-D per acre/year. |
|
Leaf
Spots (Gloeosporium minus, Gloeocercospora Inconspicua, Septoria
albo- Punctata, |
Pristine
38WG Quash Quilt Xcel Abound Azaka Indar Switch Orbit 3.6EC Tilt 3.6EC Bumper Propimax Proline captan products Serenade MAX |
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
18.5-23.0
oz 2.5 oz 14-21 fl oz 6.2-15.4 fl oz 6.0-15.5 fl oz 6.0 fl oz 11-14 oz 6 fl oz 6 fl oz 6 fl oz 6 fl oz 5.7 fl oz see product labels 1-3 lb |
Post Bloom to August
at 7-to-10 day intervals. Observe pre-harvest and
re-entry regulations.
For leaf spot control after harvest, resume spray
schedule 1 to 2 times.
Arrange season-long schedule to include no more than two
sequential sprays of
Pristine, Abound, Azaka, Quash, or Switch. Caution: Abound is
extremely phytotoxic to some
apple cultivars including ‘Gala’. Prevent spray
drift and leftover reside in
the spray tank which may come in contact with
apples. Foliage and fruit can be
damaged if Aliette, Agri-Fos, K-Phos, or ProPhyte
are tank-mixed with
copper or foliar fertilizers, or applied in
acidic water.
Orbit,
Tile,
Bumper, Propimax and Proline have good activity against
Septoria, but
activity against other leaf spots is unknown. Captan is
more effective against
anthracnose leaf spot than against Septoria. |
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