Dormant through Summer Sprays Including Plant Growth Regulators

This list is not comprehensive. Other products not listed here may also be labeled for use on plum and plum hybrids.

Commonly Used Products Labeled for Use on Plum, Prune, Pluot and Plumcot

Disease or Pest

IRac/

frac

Product Rate / 100 gal Rate / Acre REI hours PHI days Comments
DORMANT TO BUD BURST

Bacterial canker

Bacterial leaf spot

M1 Badge SC   5-14  pts. 24 NA

Injury to fruit and foliage is possible with application of M1 fungicides during or after bloom.

 

M1

Badge X2

OMRI

  3.5-14 lbs. 48 NA Not after bloom.
M1 Cuprafix Ultra 40 Disperss   5 - 8 lbs. 48 NA Not after bloom.
  M1 Kocide 3000   3.5 - 7 lbs. 24 NA Not after bloom. 
    Cueva   0.5 - 2 gal. 4 1 OMRI. 
  M1 Champ WG   8 - 16 lbs 48 NA Not after bloom.
  M2 Microthiol Disperss   10 - 30 lbs. 24 0 OMRI. Incompatible with oil, do not apply oil 2 weeks before or after sulfur.
    Double Nickel LC   0.5 to 6 qts 4 0 OMRI. Us higher rates for moderate to severe disease pressure.
    Double Nickel 55   0.25 - 3 lbs. 4 0 OMRI.
  44 Serifel Biofungicide   4 - 16 ozs 4 0 OMRI. 

Black knot

M1 Cuprafix Ultra 40 Disperss   3 - 3.75 lbs 48 NA Injury to fruit and foliage is possible with application of M1 fungicides during or after bloom.
M1 Badge SC   3-7 pts. 24 NA
M1

Badge X2

OMRI

  1.5- 5 lbs.  48 NA
  M1

Kocide 3000

Kocide 3000-O

  1.75 - 3.5 lbs. 48 NA.

Supression.  Do not apply after bloom.

O formulation is OMRI.

    Cueva   0.5 to 2 gal. 4 1 OMRI.

Spider Mites

Scale insects  

UN Dormant oil 2 gal. 3 - 6 gal. 12 14  
Scale insects 16 Centaur WDG   34.5 oz. 12 14  
               

WHITE BUD TO PETAL FALL

Bacterial Leaf Spot   Cueva   0.5 - 2 gal. 4 1 OMRI.
    Double Nickel   0.5 - 6 qts. 4 0 OMRI.
  44 Serifel   4 - 16 ozs. 4 0 OMRI.
Black knot M5 Bravo Ultrex 82.5 WDG 0.9 - 1.25 lbs. 2.8 - 3.8 lbs.

12* 

NA  

 

*Severe eye irritant. REI is 7 days with no eyewash station. Special worker training required.

Do not apply from after shuck split through harvest.

M5 Bravo Weather Stik 1 - 1.4 pts. 3.1 - 4.1 pts. 12* NA
M5 other Chlorothanlanil formulations   see label 12* NA
1 Topsin M WSB ⅓ to ½ lb. 1.0 - 1.5 lbs. 48 1  
1 Topsin M 4.5 L 6.7 - 10 fl. oz. 20 - 30 fl. oz. 48 1
M1 Cuprafix Ultra 40 Disperss   3 - 3.75 lbs 48 NA Not after bloom. 
M1 Badge SC   3 - 7 pts. 24 NA Not after bloom.
M1 Badge X2   1.5 - 5 lbs. 48  NA OMRI. Not after bloom.
M1

Kocide 3000

Kocide 3000-O

  1.75 - 3.5 lbs. 48 NA

Not after bloom.

O formulation is OMRI.

  Cueva   0.5 - 2 gals. 4 1  
Brown rot blossom blight M4 Captan 80WDG 1.25 lbs. 3.75 lbs. 24 0

Captan and its different formulations may cause injury on plums if used repeatedly in early season sprays.

Causes irreversible eye damage.

Probable carcinogen.

M4

Captec 4L

Captan FL

1 qt. 1 - 3 qts. 24 0
M4

Captan 50W 

2 lbs. 6 lbs. 24 0
M5 Bravo Weather Stik 1 - 1.4 pts. 3.1 - 4.1 pts.  12* NA

*Severe eye irritant. REI is 7 days with no eyewash station. Special worker training required.

Do not apply from after shuck split through harvest.

 

M5 Other chlorothanil formulations see label    
1 Topsin M WSB ⅓ to ½ lb. 1.0 - 1.5 lbs. 48 1  
1 Topsin 4.5FL 6.7 - 10 fl oz. 20 - 30 fl. oz. 48 1  
2

Rovral

Meteor

  1 - 2 pts. 24 PF Not more than 2 applications per season.  Do not apply after petal  fall.
3, 7 Luna Experience   6 - 10 fl. oz. 12 0  
3, 9 Inspire Super   16 - 20 fl. oz. 12 2 Do not use on sweet cherries.
7, 11 Merivon   4.0 - 6.7 fl. oz. 12 0

May cause crop injury when mixed with some adjuvants.

7, 11 Pristine   10.5 - 14.5 oz. 12 0  
7, 11 Luna Sensation   5 - 7.6 fl oz. 12 1  
3 Indar 2F   6 fl. oz. 12 0  
3 Rhyme   7 fl. oz. 12 7  
3 Cevya   3 to 5 fl. oz. 12 0  
7 Miravis   5.1 fl oz 12 0  
7 Fontelis   14 - 20 fl. oz. 12 0  
11 Flint Extra   2.5 - 3.8 fl. oz. 12 1 Suppression of blossom blight.
M1

Champ WG

 

Champ Formula 2

 

3 lbs.

4.2 pts.

48 NA Apply at popcorn. Not after bloom.
M1 Kocide 3000   3.5 - 5 lbs 48 NA

Not after bloom.

 

M1 Kocide 3000-O   3.5 - 5 lbs. 48 NA OMRI. Not after bloom.
M1 Badge SC   3.5 - 5 pts. 48 NA Not after bloom.
M1 Badge X2   3.5 - 5 lbs. 48 NA OMRI. Not after bloom.
M1 Cuprafix Ultra 40 Disperss   3.75 lbs 48 NA Not after bloom.
M2 Microthiol Disperss   10 - 30 lbs. 24 0

OMRI. Incompatible with oil, do not apply oil 2 weeks before or after sulfur.  Phyotoxic to apricots, d'Anjou pears and Cox O.P. apples.

  Double Nickel LC   0.5 - 6 qts. 4 0

OMRI.

  Double Nickel 55   0.25 - 3 lbs. 4 0 OMRI.
  Cueva   0.5 - 2 gals. 4 1 OMRI.
44 Serifel     4 0 OMRI.
  BotryStop   2 - 4 lbs. 4 0 OMRI.
   
SHUCK SPLIT

Oriental fruit moth

Plum curculio

Leaf rollers

3 Asana XL 2.0 - 5.8 fl. oz. 4.8 - 14.5 fl. oz. 12 14  
4A Assail 30SG   5.3 - 8.0 oz. 12 7  
22 Avaunt eVo   6 oz. 12 14  
3 Danitol 2.4 EC   10.7 - 21.3 fl. oz. 24 3  
5 Delegate 25WG   6 - 7 oz. 4 1

Ineffective for plum curculio.

5 Entrust 80W 0.42 - 0.83 oz. 1.25 - 2.5 oz. 4 7

OMRI. Ineffective for plum curculio.

28 Exirel   13.5 - 20.5 fl. oz. 12 3  
1B Imidan 70WP 0.75 - 1.0 lb. 2.1 - 4.25 lb. 7 14

14 day REI and PHI for hand harvest and the general public (PYO)

1 Sevin XLR Plus, 4F   2 - 3 qts. 12 3  
3A *Mustang Maxx   1.28 - 4.0 fl. oz. 12 14

Do not apply as an Ultra Low Volume spray

4A Actara   4.5 to 5.5 oz 12 14 not for Oriental fruit moth or leaf rollers
UN Surround 95WP 50 lb. 25 - 50 lb. 4 0

OMRI. Suppression only

Stop applications of Surround in early July to prevent noticeable residue at harvest.

3A *Tombstone   2.0 - 2.8 fl oz. 12 7

Causes irreversable eye damage

  3, 28 *Besiege   6 to 12 fl oz 24 12  
Mites   see Additional Summer Sprays      
ADDITIONAL SUMMER SPRAYS

Brown rot

Fungal leaf spot

M4

Captec 4L

Captan FL

1 qt. 3 qts. 24 0

Captan and its different formulations may cause injury on plums if used repeatedly in early season sprays.

Causes irreversible eye damage.

 

M4 Captan 80WDG 1.25 lbs. 3.75 lbs. 24 0
M4 Captan 50 WP 2 lbs. 6 lbs. 24 0
1 Topsin M 4.5L 6.7 - 10 fl oz. 20 - 30 fl oz. 48 1  
1 Topsin M WSB 1/3 to 1/2 lb 1 to 1.5 lb 48 1
7 Fontelis   14 - 20 fl oz. 12 0  
7 Miravis 5.1 fl oz   12 0  
3, 9 Inspire Super   16 - 20 fl oz. 12 2  
7, 11 Merivon   4.0 - 6.7 12 0

May cause crop injury when mixed with adjuvants

7, 11 Pristine   10 - 14.5 oz. 12 0  
3 Indar 2F   6 fl. oz. 12 0  
3 Cevya   3 - 5 fl. oz. 12 0 Maximum of 15 oz. per acre per year
7 Miravis   3.4 to 5.1 fl oz 12 0  
M2 Microthiol Disperss   10 - 20 lbs. 24 0

Incompatible with oil, do not apply oil 2 weeks before or after sulfur.

UN

Double Nickel 55

  0.5 - 1.0 lb. 4 0

OMRI. Suppression only

44 Serifel   0.25 - 1.0 lb. 4 0

OMRI. Suppression only

NC BotryStop   4 lb 4 0 OMRI. Do not use a stomatal flooding or penetrant adjuvant

Plum curculio

Oriental fruit moth

Apple maggot

Leaf roller

Spotted wing drosophila 

Japanese beetle

3 Asana XL 2.0 - 5.8 fl oz. 4.8 - 14.5 fl oz. 12 14  
4A Assail 30 SG   5.3 - 8.0 oz. 12 7  
22 Avaunt   5 - 6 oz. 12 14  
3 Danitol 2.4 EC   10.7 - 21.3 fl oz. 24 3  
4A Actara   4.5 to 5.5 oz 12 14 35-day PHI for apple and pear. 
5 Delegate 25 WP   6 - 7 oz. 4 1

Ineffective for plum curculio and Japanese beetle

5 Entrust 80WP 0.42 - 0.83 oz. 1.25 - 2.5 oz. 4 7

OMRI. Ineffctive for plum curculio and Japanese beetle

28 Exirel   13.5 - 20.5 fl. oz. 12 3  
1B Imidan 70WP 0.75 - 1.0 lb. 2.1 - 4.25 lb. 7 14

14 day REI and PHI for hand harvest and the general public (PYO)

1 Sevin XLR Plus, 4F   2-3 qt. 12 3  
UN Surround WP 50 lbs. 25 - 50 lbs. 4 0

OMRI. Suppression only

To prevent noticeable residue at harvest, cease applications in ealry July.

3A *Mustang Maxx   1.28 - 4.0 fl oz. 12 14

Do not apply as an Ultra Low Volume spray

3A *Tombstone   2.0 - 2.8 fl oz. 12 7

Causes irreversible eye damage.

  3, 28 *Besiege   6 to 12 fl oz 24 14 Not labeled for spotted wing drosophila

Japanese Beetles

Borers

UN Aza-Direct   1 - 3.5 pts. 4 0 OMRI
Mites 6 Agri-Mek   2.2 to 4.2 fl oz 12 21

 

 

  25 Banter WDG   0.75 - 1.0 lbs 12 3  
  23 Envidor 2 SC   16 - 18 fl. oz. 12 7

 

 

  21A Portal XLO   2 pints 12 7

 

 

  10B Zeal   2 - 3 oz. 12 7

Primarily an ovicide

* Restricted use material          
Bird Repellent   Avian Control (methyl anthranilate)   1.9 - 3.75 gal. 4 0 Harvesters must wear gloves and long-sleeved shirts.
PLANT GROWTH REGULATORS
Fruit thinning   None are currently labeled for use on plum.
To increase fruit firmness    ProGibb 40% granular   1.4 - 2.9 oz. 4 0

Apply as a single spray 1 to 4 weeks before harvest

Reduced bloom in the following season can occur.

 

ProGibb 4%

liquid

  16 - 32 fl oz. 4 0
To reduce internal browning in Italian prune   ProGibb 40% granular   1.4 - 4.3 oz. 4 0

Apply as a single spray 4 to 5 weeks before harvest.

Reduced bloom in the following season can occur.

 

ProGibb 4%

liquid

  16 - 48 fl oz. 4 0

Preharvest fruit drop

Fruit firmness maintenance

  ReTain   1 pouch 12 7 Apply 1 to 2 weeks before harvest