\m    31   11   26    2  1 'Control Program (general information) and Description of Pests'
\m    55   20   76    2  1 'Control of Specific Pests'
\m    56   20  110    2  2 'Aphids'
\m    86   29   18    3  2 'Dryberry Mites'
\m    98   33   24    3  2 'Flea Beetles'
\m   110   37   21    3  2 'Leaf Skeletonizers'
\m   122   41   30    3  2 'Leafhoppers'
\m   141   47    1    4  2 'Leafminers'
\m   153   51    0    4  2 'Leafrollers'
\m   167   55   70    4  2 'Mites'
\m   183   60   75    4  2 'Obscure Root Weevils'
\m   196   64   94    5  2 'Omnivorous Leafrollers'
\m   209   69    0    5  2 'Omnivorous Leaftiers'
\m   221   73   13    5  2 'Rasberry Crown Borers'
\m   236   79    5    5  2 'Rasberry Fruitworms'
\m   251   84   46    6  2 'Rasberry Sawflies'
\m   265   89   83    6  2 'Red Spider Mites'
\m   277   93   88    6  2 'Rose Chafers'
\m   289   97   85    6  2 'Rose Scales'
\m   301  101   79    6  2 'Spittlebugs'
\m   314  105   80    7  2 'Thrips'
\m   328  110   16    7  2 'Two-Spotted Mites'
\t'November 1987'                                                'V B-'
\a                 Dr. Freddie Johnson, Extension Entomologist
\a                   Dr. Russell F. Mizell III, Entomologist
\a
\a                         INSECT CONTROL IN BLACKBERRIES

                 Dr. Freddie Johnson, Extension Entomologist
                   Dr. Russell F. Mizell III, Entomologist
\h 1 'Control Program (general information) and Description of Pests'


                         INSECT CONTROL IN BLACKBERRIES


         Control Program (general information) and Description of Pests

Several kinds of insects have been found on blackberries. If production
expands, insect problems are likely to become more numerous and extensive.

Thrips are tiny insects that infest blooms and berries.  Injury to fruit has
been attributed to their feeding and their presence is objectionable on
harvested berries.  Spider mites are sometimes become numerous on leaves,
especially during dry weather.  Caterpillars and beetles that feed on foliage
have been occasional problems.  Stinkbugs may become a problem.  Sap beetles
may become a problem on berries.

PREVENTIVE PROGRAM:  It appears that a regular spray program may be desirable
in some areas. The application of malathion at weekly intervals beginning just
as the plants flush out in the spring and continued through harvest is a
possibility.  Apply malathion at the rate recommended for thrips.  Use only
the emulsifiable concentrate near harvest to avoid visible residues on
harvested berries by wettable powder.
\h 1 'Control of Specific Pests'
\h 2 'Aphids'



                           Control of Specific Pests


Aphids:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
azinphosmethyl (Guthion)        2 S            1 1/4 - 2 pt           14

carbaryl (Sevin)                50 WP          4 lb                   7
  (European rasberry aphid)

diazinon (AG500)                4 EC           2 pt                   7

demeton (Systox)                2 EC           1 1/2 pt               21

malathion (Cythion)             5 EC           3 pt                   1

oxydementonmethyl               2 SC           1 - 1 1/2 pt           7
  (Metasystox-R)

parathion (Aqua 8)              8 EC           1/4 pt                 15
-------------------------------------------------------------------------------
\b\v
\h 2 'Dryberry Mites'
\v
\v
\v
Dryberry Mites:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (AG500)                4 EC           2 - 4 pt               7
-------------------------------------------------------------------------------
\h 2 'Flea Beetles'



Flea Beetles:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
methoxychlor (Hopkins)          2 EC           2 - 3 qt               14
-------------------------------------------------------------------------------
\h 2 'Leaf Skeletonizers'



Leaf Skeletonizers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
methoxychlor (Prentox)          2 EC           75 - 100 fl oz         14
-------------------------------------------------------------------------------
\h 2 'Leafhoppers'



Leafhoppers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
azinphosmethyl (Guthion)        2 S            1 pt                   14

carbaryl (Sevin)                50 WP          4 lb                   7

demeton (Systox)                2 EC           1 - 2 pt               21

malathion (Cythion)             5 EC           1 1/2 pt               1
-------------------------------------------------------------------------------
\b\v
\h 2 'Leafminers'
\v
\v
\v
Leafminers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
azinphosmethyl (Guthion)        2 S            1 1/4 pt               14
-------------------------------------------------------------------------------
\h 2 'Leafrollers'



Leafrollers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
azinphosmethyl (Guthion)        2 S            1 pt                   14

carbaryl (Sevin)                50 WP          4 lb                   7
-------------------------------------------------------------------------------
\h 2 'Mites'



Mites:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
demeton (Systox)                2 EC           1 - 2 pt               21

dicofol (Kelthane)              1.6 EC         1 1/2 - 3 qt           2

malathion (Hopkins)             5 EC           1 1/2 pt               1
-------------------------------------------------------------------------------
\h 2 'Obscure Root Weevils'



Obscure Root Weevils:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
azinphosmethyl (Guthion)        2 EC            2 pt                  14
-------------------------------------------------------------------------------
\b\v
\h 2 'Omnivorous Leafrollers'
\v
\v
\v
Omnivorous Leafrollers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
Bacillus thuringiensis          WP             1/2 - 1 lb             0
  (SOK-Bt)
-------------------------------------------------------------------------------
\h 2 'Omnivorous Leaftiers'



Omnivorous Leaftiers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
methoxychlor (Hopkins)          2 EC           2 - 3 qt               14
-------------------------------------------------------------------------------
\h 2 'Rasberry Crown Borers'



Rasberry Crown Borers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (Hopkins)              4 EC           4 pt              apply as a
                                                                 soil drench
                                                                 before
                                                                 berries form
-------------------------------------------------------------------------------
\h 2 'Rasberry Fruitworms'



Rasberry Fruitworms:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (Hopkins)              4 EC           2 pt              apply just
                                                                 before buds
                                                                 open
-------------------------------------------------------------------------------
\b\v
\h 2 'Rasberry Sawflies'
\v
\v
\v
Rasberry Sawflies:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (Hopkins)              4 EC            2 pt             apply just
                                                                 before buds
                                                                 open
-------------------------------------------------------------------------------
\h 2 'Red Spider Mites'



Red Spider Mites:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
parathion (Aqua 8)              8 EC           1/4 pt                 15
-------------------------------------------------------------------------------
\h 2 'Rose Chafers'



Rose Chafers:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
methoxychlor (Hopkins)          2 EC           2 - 3 qt               14
-------------------------------------------------------------------------------
\h 2 'Rose Scales'



Rose Scales:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
malathion (Hopkins)             5 EC           3 pt                   1
-------------------------------------------------------------------------------
\h 2 'Spittlebugs'



Spittlebugs:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
methoxychlor (Drexel)           4 EC           1 - 1 1/2 qt           14
-------------------------------------------------------------------------------
\b\v
\h 2 'Thrips'
\v
\v
\v
Thrips:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (AG500)                4 EC           2 pt                  7

malathion (Hopkins)             5 EC           1 1/2 pt               1
-------------------------------------------------------------------------------
\h 2 'Two-Spotted Mites'



Two-Spotted Mites:

-------------------------------------------------------------------------------
                                                                 Days to
Insecticide                     Formulation    Rate/Acre         Harvest
-------------------------------------------------------------------------------
diazinon (AG500)                4 EC           2 pt                   7

parathion (Aqua 8)              8 EC           1/4 pt                 15
-------------------------------------------------------------------------------
