6 Ribes (Currants and Gooseberries)
Contents
6.1
Introduction. 1
6.2
Insects and Diseases - Time for Concern. 3
6.2.1
DORMANT. 3
6.2.1.1
San Jose Scale. 3
6.2.2
BURST TO LEAF. 3
6.2.2.1
Powdery Mildew.. 3
6.2.2.2
Currant Aphid. 3
6.2.2.3
Currant Stem Girdler 4
6.2.3
EARLY GRAPE TO BLOOM.. 4
6.2.3.1
White Pine Blister Rust 4
6.2.3.2
Powdery Mildew.. 5
6.2.3.3
Currant Aphid. 5
6.2.4
BLOOM TO PETAL FALL. 5
6.2.4.1
White Pine Blister Rust 5
6.2.4.2
Powdery Mildew.. 5
6.2.4.3
Leaf Spots: Anthracnose Leaf Spot, Septoria Leaf Spot 5
6.2.4.4
Currant Aphid. 5
6.2.4.5
Gooseberry Fruitworm.. 5
6.2.4.6
Imported Currant Worm.. 6
6.2.5
SUMMER PREHARVEST. 6
6.2.5.1
White Pine Blister Rust 6
6.2.5.2
Powdery Mildew.. 6
6.2.5.3
Leaf Spots: Anthracnose Leaf Spot, Septoria Leaf Spot 6
6.2.5.4
Gooseberry Fruitworm.. 6
6.2.5.5
Currant Borer 6
6.2.5.6
Twospotted Spider Mite. 6
6.2.5.7
Imported Currant Worm.. 7
6.2.5.8
Japanese Beetle. 7
6.2.6
SPECIAL PESTS.. 7
6.2.6.1
Slugs. 7
6.3
Weed Management 7
6.1 Introduction
For information on cultural practices for Ribes, the following references are suggested:
Currants, Gooseberries, and Jostaberries-A Guide for Growers, Marketers, and
Researchers in North America, available from Haworth Press at: http://www.HaworthPress.com.
Uncommon Fruits for Every
Garden, available from Timber Press at: http://www.timberpress.com.
Cornell Guide to Growing Fruit
at Home (IB-156) available from your local Cornell Cooperative Extension
Office.
For assistance with diagnosing Ribes
problems, use the Berry Diagnostic Tool at http://www.hort.cornell.edu/diagnostic
or contact your Cornell Cooperative Extension Office for assistance. To submit
samples for disease diagnosis, contact Plant Disease Clinis,
cornell University, Department of Plant Pathology,
334 Plant Science Building, Ithaca, NY 14853-4203, (607) 255-7850, http://plantclinic.cornell.edu.
To submit samples for insect diagnosis or for phone
consultations, contact Insect Diagnostic Laboratory, Cornell University,
Department of Entomology, 4140 Comstock Hall, Ithaca, NY 14853-2601, (607)
255-3250, http://www.entomology.cornell.edu/Extension/DiagnosticLab.
Pesticides used for Ribes must be
registered with the state and federal governments. Use Tables 5.4.2 and 6.1.1
to determine legal pesticides, their brand names, and any restrictions that may
apply. Unless otherwise noted, use 100 gal water per acre.
The fungicides listed in Table 5.4.2 include only those labeled for pests of
concern in New York State.
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Table
6.1.1. Ribes pests and the associated stage of
plant development.
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Stage of development
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Scout for:
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See section:
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Dormant
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San Jose scale
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6.2.1.1
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Burst to leaf
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Powdery mildew
Currant aphid
Currant stem
girdler
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6.2.2.1
6.2.2.2
6.2.2.3
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|
Early grape
to bloom
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White pine
blister rust
Powdery mildew
Currant aphid
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6.2.3.1
6.2.3.2
6.2.3.3
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|
Bloom to
petal fall
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White pine
blister rust
Powdery mildew
Leaf spots
Currant aphid
Gooseberry fruitworm
Imported
currant worm
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6.2.4.1
6.2.4.2
6.2.4.3
6.2.4.4
6.2.4.5
6.2.4.6
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Summer preharvest
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White pine
blister rust
Powdery mildew
Leaf spots
Gooseberry fruit worm
Currant borer
Twospotted
spider mite
Imported currant worm
Japanese
beetles
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6.2.5.1
6.2.5.2
6.2.5.3
6.2.5.4
6.2.5.5
6.2.5.6
6.2.5.7
6.2.5.8
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Special pests
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Slugs
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6.2.6.1
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Table
6.1.2. Chemical and brand names of labeled pesticides for Ribes.
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(DTH=days to harvest; REI =
Restricted Entry Interval)
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Chemical name
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Formulation
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EPA Reg. No.
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Restrictions
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bifenazate
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Acramite
50WS
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400-503
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DTH = see label, REI = 12hr
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basic copper sulfate
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Cuprofix
Disperss
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4581-396-82695
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(††)DTH = B, PH; REI = 24 hr
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copper hydroxide
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Agri Star
Nu-Cop 50DF
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45002-4
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(††)DTH = B, PH; REI = 24 hr
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|
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Agri Star
Nu-Cop 50WP
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45002-7
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(††)DTH = B, PH, REI = 24 hr
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|
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Champ Formula 2
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55146-64
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(††)DTH = B, PH, REI = 24 hr
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|
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Champ Dry Prill
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55146-57
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(††)DTH = B, PH, REI = 24 hr
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|
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Kocide 101
(50WP)
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1812-288
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DTH = these label, REI = 24 hr
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|
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Kocide DF
(40DF)
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1812-334
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DTH = See label, REI = 24 hr
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|
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Kocide 4.5 LF
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1812-303
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DTH = See label, REI = 24 hr
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|
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Kocide 2000
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1812-358
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DTH = See label, REI = 24 hr
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*fenpropathrin
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*Danitol
2.4EC
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59639-35
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DTH = 21, REI = 24 hr
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fluazifop-butyl
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Fusilade DX
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100-1070
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DTH = 365, REI = 12 hr
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glyphosate1
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Roundup Original
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524-445
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DTH=14, REI = 12 hr
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|
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Roundup Original II
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524-454
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DTH = 14, REI = 12 hr
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|
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Roundup Original Max
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524-539
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DTH = 14, REI = 4 hr
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|
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Roundup Ultra
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524-475
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DTH = 14, REI = 4 hr
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*imidacloprid
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*Provado
1.6F
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264-763
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DTH = 3, REI = 12 hr
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|
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*Pasada
1.6F
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264-763-66222
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DTH = 3, REI = 12 hr
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|
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*Alias 2F
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264-758-66222
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DTH = 7, REI = 12 hr
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iron phosphate
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Sluggo AG
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67702-3-54706
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REI = 0
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lime sulfur
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Millers Lime Sulfur Solution 29%
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66196-2-72
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REI = 48 hr
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malathion
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Malathion
57EC
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34704-108
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DTH = 3, REI = 12 hr
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|
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Malathion
5EC
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51036-104
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DTH = 3, REI = 12 hr
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metaldehyde
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Deadline Bullets
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5481-507
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REI = 12 hr
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|
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Prozap Agribrand Snail and Slug AG
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61282-11
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REI = 12 hr
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mineral oil (parafinic
oil)
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JMS Stylet
Oil
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65564-1
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DTH = 0, REI = 4 hr
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|
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Organic JMS Stylet
Oil
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65564-1
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DTH = 0, REI = 4 hr
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myclobutanil
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Nova 40W
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62719-411
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DTH = 0, REI = 24 hr
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oryzalin
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Surflan AS
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70506-43
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REI = 12 hr
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Surflan DF
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70506-46
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REI = 24 hr
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*paraquat
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*Gramoxone
Max
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100-1074
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REI = 12 hr
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pelargonic
acid
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Scythe
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53219-7
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REI = 12 hr
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Scythe
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62719-529
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REI = 12 hr
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pyraclostrobin
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Cabrio EG
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7969-187
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DTH = 0, REI = 12 hr
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|
pyraclostrobin/boscalid
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Pristine
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