Leading Supplier of Innovative Dormancy & Sprout Control

Products for Year Around Potato Storage

Introduction of 1,4ZAP

• Addie Waxman

• Dr. Jim Zalewski

Potato Storage

An important step in potato processing

Often, an overlooked part of the process

Purpose of Potato Storage

Prolong Tuber Quality

Control Sprouting

Sprouting can occur during

storage season

Variety

Field conditions

Poor chemical

application

Mechanical failure

Options to Deal with Sprouting

Break off sprouts

during hog-out

Tumble over

packing shed belts

Use a Burn or

Desiccant Agent

Product Idea Origination?

Applicators:

Inconsistent results with Clove

Pushed for better burn product

Fast, even, safe burn of sprouts

Potato Sprout Eliminator

Named after

Dr. Jim Zalewski

1,4ZAP

Potato Sprout Eliminator

Research Development of New Products

Small Scale to Large Scale

Research Development of New Products

Fogging chemical only – no wicking

Research Development of New Products

Testing on thin & thick skinned varieties

Bin Studies

• 2000 pound boxes

• 3 Sample Portals/Box

• Track chemical level

• Evaluate burn level

Percent burn of 1,4ZAP

at 14 days after treatment

in study bins

Treatment Bottom Middle Top

60ppm 99 98 85

80ppm 100 97 85

100ppm 100 90 90

Commercial Testing of 1,4ZAP

Summer 2015

States:

Arizona

Idaho

Colorado

Maine

Michigan

Applicators:

Group Ag

IVI

Midwest PS

MPG

Northern Refrigeration

Sun Valley

Total of 10 start-up test launches

Soft Launch of 1,4PEEP and 1,4ZAP

Summer 2015

Capacity(cwt):

20,000

35,000

40,000

50,000

60,000

80,000

173,000

Capacity (tonne):

1000

1750

2000

2500

3000

4000

8650

Total of 10 start-up test launches

Soft Launch of 1,4ZAP

Summer 2015Variables:

Head Space

Fan Speeds

Open plumes

Sprouting levels

Storage unit

Height of pile

Age of pile

Total of 10 start-up test launches

Burn of peeps and sprouts

evident throughout pile

Before treatment One day after 60ppm

1,4ZAP

Burn of peeps and sprouts

evident throughout pile

Before treatment18 hours after 60ppm

1,4ZAP

Burn of peeps and sprouts

evident throughout pile

Before treatment 18 hours after 60ppm

1,4ZAP

70ppm of 1,4ZAP on 50,000cwt

2-5-2016

Analysis of Active Ingredient

Octanol is tolerance exempt

Found naturally in the potato

Residues decline rapidly over time

1,4ZAP is registered with EPA as Bio-

Control

Effective burn of peeps and sprouts:

Application rate of 60 to 80ppm

(dependent upon sprout length)

Residue of 5-7ppm

Conclusion:

1,4ZAP provides

effective burn of

peeps and sprouts

Many thanks and gratitude to

the growers and applicators

who participated in soft launch!

Thank You!

Discussions/Questions