Pest Management Guidelines - BerryCrops
Pest Management Guidelines
A Cornell Cooperative Extension Publication

  
Cornell Guide for Pest Management of Berry Crops

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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.

 

 

Table 6.1.1. Ribes pests and the associated stage of plant development.

Stage of development

Scout for:

See section:

Dormant

San Jose scale

6.2.1.1

Burst to leaf

Powdery mildew

Currant aphid

Currant stem girdler

6.2.2.1

6.2.2.2

6.2.2.3

Early grape to bloom

White pine blister rust

Powdery mildew

Currant aphid

6.2.3.1

6.2.3.2

6.2.3.3

Bloom to petal fall

White pine blister rust

Powdery mildew

Leaf spots

Currant aphid

Gooseberry fruitworm

Imported currant worm

6.2.4.1

6.2.4.2

6.2.4.3

6.2.4.4

6.2.4.5

6.2.4.6

Summer preharvest

White pine blister rust

Powdery mildew

Leaf spots

Gooseberry fruit worm

Currant borer

Twospotted spider mite

Imported currant worm

Japanese beetles

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

Special pests

Slugs

6.2.6.1


 

Table 6.1.2. Chemical and brand names of labeled pesticides for Ribes.

(DTH=days to harvest; REI = Restricted Entry Interval)

Chemical name

Formulation

EPA Reg. No.

Restrictions

bifenazate

Acramite 50WS

400-503

DTH = see label, REI = 12hr

basic copper sulfate

Cuprofix Disperss

4581-396-82695

(††)DTH = B, PH; REI = 24 hr

copper hydroxide

Agri Star Nu-Cop 50DF

45002-4

(††)DTH = B, PH; REI = 24 hr

 

Agri Star Nu-Cop 50WP

45002-7

(††)DTH = B, PH, REI = 24 hr

 

Champ Formula 2

55146-64

(††)DTH = B, PH, REI = 24 hr

 

Champ Dry Prill

55146-57

(††)DTH = B, PH, REI = 24 hr

 

Kocide 101 (50WP)

1812-288

DTH = these  label, REI = 24 hr

 

Kocide DF (40DF)

1812-334

DTH = See label, REI = 24 hr

 

Kocide 4.5 LF

1812-303

DTH = See label, REI = 24 hr

 

Kocide 2000

1812-358

DTH = See label, REI = 24 hr

*fenpropathrin

*Danitol 2.4EC

59639-35

DTH = 21, REI = 24 hr

fluazifop-butyl

Fusilade DX

100-1070

DTH = 365, REI = 12 hr

glyphosate1

Roundup Original

524-445

DTH=14, REI = 12 hr

 

Roundup Original II

524-454

DTH = 14, REI = 12 hr

 

Roundup Original Max

524-539

DTH = 14, REI = 4 hr

 

Roundup Ultra

524-475

DTH = 14, REI = 4 hr

*imidacloprid

*Provado 1.6F

264-763

DTH = 3, REI = 12 hr

 

*Pasada 1.6F

264-763-66222

DTH = 3, REI = 12 hr

 

*Alias 2F

264-758-66222

DTH = 7, REI = 12 hr

iron phosphate

Sluggo AG

67702-3-54706

REI = 0

lime sulfur

Millers Lime Sulfur Solution 29%

66196-2-72

REI = 48 hr

malathion

Malathion 57EC

34704-108

DTH = 3, REI = 12 hr

 

Malathion 5EC

51036-104

DTH = 3, REI = 12 hr

metaldehyde

Deadline Bullets

5481-507

REI = 12 hr

 

Prozap Agribrand Snail and Slug AG

61282-11

REI = 12 hr

mineral oil (parafinic oil)

JMS Stylet Oil

65564-1

DTH = 0, REI = 4 hr

 

Organic JMS Stylet Oil

65564-1

DTH = 0, REI = 4 hr

myclobutanil

Nova 40W

62719-411

DTH = 0, REI = 24 hr

oryzalin

Surflan AS

70506-43

REI = 12 hr

 

Surflan DF

70506-46

REI = 24 hr

*paraquat

*Gramoxone Max

100-1074

REI = 12 hr

pelargonic acid

Scythe

53219-7

REI = 12 hr

 

Scythe

62719-529

REI = 12 hr

pyraclostrobin

Cabrio EG

7969-187

DTH = 0, REI = 12 hr

pyraclostrobin/boscalid

Pristine