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University of Idaho Extension

 

Physical Address:
E. J. Iddings Agricultural Science Laboratory
Room 52
606 S Rayburn St.
Moscow, ID

Mailing Address:
University of Idaho Extension
875 Perimeter Drive MS 2338
Moscow, ID 83844-2338

Phone: 208-885-5883

Fax: 208-885-6654

Email: extension@uidaho.edu

Google Maps

Barbara Petty

Email: extdir@uidaho.edu


Potatoes Publications & Resources


Best Practices for CIPC Residue Sampling of Potatoes and Storage Facilities > PDF
Provides a uniform, documented method for residue sampling of CIPC, a potato sprout inhibitor, in potatoes stored in commercial potato storages and a protocol for surface swabbing to detect CIPC resid . . . . . more details
 

Biology and Management of the Potato Tuberworm in the Pacific Northwest > PDF
Since 2000, potato tuberworm, a difficult-to-control insect pest, has been detected in Oregon, Washington, and Idaho. This publication describes its distribution, hosts, identifying characters, and bi . . . . . more details
 

Chateau Herbicide for Use in Potatoes > PDF
Chateau can be used in a weed management program to provide hairy nightshade control. The publication discusses mode of action, herbicide characteristics, application rate and timing, weeds suppressed . . . . . more details
 

Cleaning and Disinfecting Potato Equipment and Storage Facilities > PDF
One important step in preventing the spread of potato diseases from field to field is the careful cleaning of equipment used in potato fields and by the effective cleaning of storage facilities before . . . . . more details
 

Commercial Application of CIPC Sprout Inhibitor to Storage Potatoes > PDF
For potato storage managers, this publication describes how CIPC works and when and how it is applied. Discusses causes of sprout inhibition failure. 4 pp. Authors: Michael Lewis, Michael Thornton, Ga . . . . . more details
 

Continuing to Manage Foreign Material For Quality Idaho Potatoes
Foreign material is any material that is not the potato tuber. It is "trash" or "garbage" in potatoes. Many foreign materials originate in the field, but others enter the product stream through equipm . . . . . more details
 
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Contribution of the Potato Industry to Idaho's Economy > PDF
Idaho's Potato Industry, from seed potatoes to French fries, directly and indirectly provided 39,500 jobs in 2002, nearly one in 20 in the state. This 8-page publication provides details. Authors: Gar . . . . . more details
 

Costs and Returns for Irrigated Organic Russet Burbank Potato Production in Southern Idaho > PDF
This study compares economic costs and returns for producing organic potatoes on farms of two sizes, a relatively small farm with 30 to 50 acres in potatoes and a larger farm with about 100 to 120 acr . . . . . more details
 

Cull and Waste Potato Management > PDF
Potatoes that are unusable for fresh market, processing, or dehydration because they do not meet minimum size, grade, or quality standards, or potatoes disposed because of low market value due to over . . . . . more details
 

Cultural Management of Blazer Russet Potatoes > PDF
Four pages of information about growing and storing Blazer Russet potatoes, an early maturing variety notable for high yields of long to oblong tubers. It is resistant to sugar-ends, tuber malformatio . . . . . more details
 

Cultural Management of Classic Russet Potatoes > PDF
Reports the findings from research studies on the cultural management of Classic Russet potatoes in southern Idaho. Growers can use the results in developing management guidelines for their own locale . . . . . more details
 

Cultural Management of Ranger Russet Potatoes > PDF
This publication provides management tips for producing high-quality Ranger Russet potatoes in southern Idaho. Growers should adapt this information to their own situations. Information includes seed . . . . . more details
 

Cultural Management of Russet Norkotah Potatoes > PDF
Russet Norkotah, an early-maturing variety with long to oblong tubers and dark russet skin is well adapted for the fresh market, but not well-suited for processing due to low specific gravity. Publica . . . . . more details
 

Cultural Management of Western Russet Potatoes > PDF
Five pages of information about growing and storing Western Russet potatoes, a medium to high yielding variety useful for both processing and fresh markets. It has good resistance to tuber malformatio . . . . . more details
 

Diagnosis and Management of Potato Storage Diseases > PDF
Learn how to identify the major storage diseases of potatoes and how to manage them through prevention, storage disinfection, and management of temperature, humidity and airflow during storage. Contai . . . . . more details
 

Early Blight Biology and Control in Potatoes > PDF
With a focus on Idaho conditions, this publication describes the symptoms and disease cycle of early blight in potatoes and recommends control measures including cultural control, resistant cultivars, . . . . . more details
 

Field Guide to Potato Pests in English and Spanish
This 130-page pocket-sized manual helps potato field workers scout for common diseases, insects and weeds which can impact potato yields. Scouting is an important part of Integrated Pest Management. B . . . . . more details
 
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Handling Potato Waste for Beef Cattle Feeding > PDF
Feeding potato waste to beef cattle requires good feed management and certain precautions. This publication covers the storage and feeding of different forms of potato waste including filter cake and . . . . . more details
 

Herbicide Drift and Carryover Injury in Potatoes: Recognizing the Symptoms
Fifty-two full color photographs show symptoms of herbicide carryover and drift in potato tubers, roots, and leaves. Discusses factors affecting carryover and drift and describes injury symptoms from . . . . . more details
 
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Kimberly Potato Storage Research Facility Website
For more information and publications on potatoes visit the Kimberly Potato Storage Research Facility website (University of Idaho, College of Agricultural and Life Sciences). more details
 
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Late Blight Management Action Plan for Potatoes > PDF
Late blight is the most important disease of potatoes worldwide. Since 1995, late blight has occurred in all Idaho commercial potato production areas. This publication offers best practices for contro . . . . . more details
 

Lesser Bulb Flies on Potatoes in the Pacific Northwest > PDF
Lesser bulb flies have damaged more than 10 percent of tubers in some Idaho fields. Learn to identify this pest and read what cultural control practices minimize the problem. 4 pp. Authors: James D. B . . . . . more details
 

Management of Corky Ringspot Disease of Potatoes in the Pacific Northwest > PDF
This 5-page publication covers symptoms, causes, and spread of corky ringspot disease; testing your soil for stubby-root nematodes, which carry the disease; options for controlling the disease; and ti . . . . . more details
 

Managing Foreign Material for Quality Idaho Potatoes > PDF
Foreign material in potatoes includes anything that is not the actual potato tuber. Foreign material can be physical or chemical in nature. Much of this material comes from the field or the activities . . . . . more details
 

Managing Late Blight on Irrigated Potatoes in the Pacific Northwest > PDF
Discusses symptoms of late blight and biology of the late blight organism. Integrated pest management strategies cover between-season management, current-season management, and harvest and storage man . . . . . more details
 

Matrix in Weed Management Systems for Potatoes > PDF
Provides information on Matrix's mode of action, its effectiveness on various weed species, and how to use it to maximize its strengths and avoid hazards of misuse. 8 pp. Authors: Pamela Hutchinson, C . . . . . more details
 

Measuring Potato Dry Matter Content on the Farm > PDF
This publication describes three on-farm methods for measuring potato dry matter that provide similar results to commercial laboratory tests. Knowing the dry matter of cull potatoes is important to po . . . . . more details
 

Nitrogen Uptake and Utilization by Pacific Northwest Field Crops > PDF
This publication provides information on the timing and pattern of biomass accumulation and nitrogen (N) uptake for a variety of Pacific Northwest crops. Authors: D.M. Sullivan, J.M. Hart, and N.W. Ch . . . . . more details
 

Nutrient Management Guidelines for Russet Burbank Potatoes > PDF
Efficient potato nutrient management systems are designed to ensure that all essential plant nutrients are available in appropriate amounts and at the most beneficial time to provide for optimal vine . . . . . more details
 

Organic and Alternative Methods for Potato Sprout Control in Storage > PDF
This publication reports results of a series of projects conducted at the University of Idaho Potato Storage Research Facility in Kimberly to evaluate alternative potato sprout suppression product eff . . . . . more details
 

Organic Potato Production in Idaho: Nutrient Management and Variety Selection > PDF
Topics in this publication include selecting varieties that may be suited for organic production; adapting fertilizer recommendations intended for conventionally grown potatoes; selecting organic nutr . . . . . more details
 

Outlook Herbicide for Weed Control in Potatoes > PDF
Describes mode of action, use rates, application methods, weeds controlled, potato variety tolerances, and follow-crop restrictions. Provides UI research data on percentage control of various weeds in . . . . . more details
 

Portable Test Kits for Diagnosing Potato Diseases > PDF
University of Idaho scientists evaluated commercially available portable test kits for diagnosing potato diseases, finding them generally accurate and easy to use. This publication discusses the impor . . . . . more details
 

Potato Irrigation Management > PDF
Efficient irrigation management can increase marketable yield while reducing production costs by conserving water, energy, and nitrogen fertilizer and while reducing potential groundwater contaminatio . . . . . more details
 

Potato Production Systems (softcover)
Experts in all phases of potato production collaborated on this comprehensive potato production manual. With information for anyone associated with potato production or processing, the book covers top . . . . . more details
 
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Potato Production with Limited Water Supply > PDF
Research-based guidelines for irrigation, nutrient, and cultural management practices for producing potatoes when water supplies are limited are presented in this publication. Authors: Bradley A. King . . . . . more details
 

Potato Psyllid Vector of Zebra Chip Disease in the Pacific Northwest > PDF
This publication addresses the emergent issue in the PNW of a potato infection called zebra chip disease, vectored by the potato psyllid. Includes information on the bacterium, the biology of the vect . . . . . more details
 

Potato Seed Management: Seed Certification and Selection > PDF
Selection of high-quality seed is essential for the production of a profitable potato crop. This publication details the certification process and describes the aspects of seed selection that you shou . . . . . more details
 

Potato Seed Management: Seed Size and Age > PDF
Discusses impact of seed size and physiological age on seed performance and the implications for management. 4 pp. Authors: William H. Bohl, Phillip Nolte. Gale E. Kleinkopf, Michael K. Thornton . . . . . more details
 

Potato Tuberworm: A Threat for Idaho Potatoes > PDF
Potato tuberworm has damaged potato crops in Oregon and could threaten Idaho potatoes. This publication describes the pest, its life cycle, and the damage it causes and goes into ways to manage the pe . . . . . more details
 

Potato Virus Y Management for the Seed Potato Producer > PDF
One of the most serious challenges facing seed potato producers is managing Potato virus Y (PVY), which causes a range of symptoms in infected potato plants, varying with potato varieties. This public . . . . . more details
 

Preventing Potato Bruise Damage > PDF
This publication covers information on types of bruising (skinning, blackspot, shatter bruise, and pressure bruise), bruise prevention before and after harvest, bruise prevention in potato piling, red . . . . . more details
 

Rhizoctonia Stem Canker and Black Scurf of Potato > PDF
With a focus on Idaho conditions, this publication describes the symptoms and disease cycle of Rhizoctonia stem canker and black scurf in potatoes and recommends cultural and chemical control measures . . . . . more details
 

Role of Agricultural Processing in Idaho's Economy > PDF
Idaho food manufacturing accounts directly for 16,000 Idaho jobs (2% of the total), $8.5 billion in sales (7.3% of the total), and $1.2 billion of Idaho's gross state product (2% of GS . . . . . more details
 

Silver Scurf Management in Potatoes > PDF
Describes the symptoms and damage caused by silver scurf, a fungal disease of potatoes. Includes color photos of symptoms. Discusses sources of inoculum and the disease life cycle. Suggests management . . . . . more details
 

Specialty Potato Production and Marketing in Southern Idaho > PDF
U.S. customers increasingly are willing to pay higher prices for quality specialty potatoes that come in a variety of colors and sizes. This CIS reports growing data for eight specialty cultivars--Car . . . . . more details
 

Storage Management for Gem Russet Potatoes > PDF
One reason potato acreage in Idaho devoted to Russet Burbank has declined in recent years is because of new cultivars, including Gem Russet, which is being stored for use in both processing and fresh . . . . . more details
 

Storage Management for Summit Russet Potatoes > PDF
Details storage characteristics and recommendations for Summit Russet based on three years of storage data. Authors: Tina Brandt, Gale Kleinkopf, Nora Olsen, Stephen Love . . . . . more details
 

Storage Management for Umatilla Russet Potatoes > PDF
Optimal storage conditions for the Umatilla Russet, a new cultivar developed for the frozen processing market, are evaluated based on three years of research trials. Specific recommendations are made . . . . . more details
 

Storage Management of A93157-6LS Potatoes > PDF
Storage recommendations for 6LS potatoes are based on three years of storage research at the University of Idaho storage research facility at Kimberly. Authors: Tina L. Brandt, Nora Olsen, Jeff Stark, . . . . . more details
 

Storage Management of Alpine Russet Potatoes > PDF
This publication describes optimal storage conditions for Alpine Russet potatoes based on three years of research at the University of Idaho Kimberly Research and Extension Center. Alpine Russet behav . . . . . more details
 

Storage Management of Alturas Potatoes > PDF
Provides storage characteristics of Alturas potatoes and storage management recommendations based on 3 years of storage data from the UI Kimberly Research & Extension Center. Authors: Tina L. Brandt, . . . . . more details
 

Storage Management of Blazer Russet Potatoes > PDF
Details storage characteristics and recommendations for Blazer Russet based on three years of storage data at the University of Idaho's Kimberly Research and Extension Center. Authors: Tina Brandt, No . . . . . more details
 

Storage Management of Classic Russet Potatoes > PDF
Best ways to store Classic Russet "an early" to mid-season russet potato variety that produces a high proportion of U.S. No. 1 tuber are summarizedin this 5-page publication. Based on 3 years of stora . . . . . more details
 

Storage Management of Clearwater Russet Potatoes > PDF
This publication describes optimal storage conditions for Clearwater Russet potatoes based on three years of research at the University of Idaho Kimberly Research and Extension Center. Clearwater Russ . . . . . more details
 

Storage Management of Payette Russet Potatoes > PDF
Details storage characteristics and recommendations for Payette Russet potatoes based on three years of storage data from the University of Idaho Kimberly Potato Storage Research Facility. Authors: Ti . . . . . more details
 

Storage Management of Teton Russet Potatoes > PDF
This publication describes optimal storage conditions for Teton Russet potatoes based on three years of research at the University of Idaho Kimberly Research and Extension Center. Teton Russet behavio . . . . . more details
 

Storage Management of Western Russet Potatoes > PDF
Details optimal storage conditions for Western Russet Potatoes, based on two years of research at the University of Idaho Kimberly Research and Extension Center Potato Storage Research Facility in sou . . . . . more details
 

Superficial Growth on Potatoes > PDF
Non-pathogenic fungi and bacteria can in some circumstances grow on the surface of a potato. This publication describes the growth, explains factors that can promote the growth, and gives management p . . . . . more details
 

Thumbnail Cracks of Potato Tubers > PDF
Learn what causes thumbnail cracks and what you can do to minimize them. 2 pp. Authors: William H. Bohl, Michael K. Thornton . . . . . more details
 

Vine Kill and Long-term Storage of Ranger Russet Potatoes > PDF
UI scientists at Idaho's Kimberly Research and Extension Center spent three years studying the best time to harvest Ranger Russet potatoes to maintain best processing quality during storage. Recommend . . . . . more details
 

Weed Control and Potato Crop Safety with Metribuzin > PDF
Effective use of metribuzin, a triazinone herbicide for weed control in potato fields, has evolved since our last publication a decade ago. This 12-page publication updates recommendations for metribu . . . . . more details
 

White Mold of Potatoes > PDF
With a focus on Idaho conditions, this publication describes the symptoms and disease cycle of white mold in potatoes and recommends cultural, biological (with Conithirium minitans), and chem . . . . . more details
 

Wireworm Biology and Nonchemical Management in Potatoes in the Pacific Northwest > PDF
This publication reviews the technical literature on wireworms and provides information on wireworm biology, monitoring, risk assessment, and nonchemical control options that can be integrated into a . . . . . more details
 


Resources



Contact Information

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University of Idaho Extension

 

Physical Address:
E. J. Iddings Agricultural Science Laboratory
Room 52
606 S Rayburn St.
Moscow, ID

Mailing Address:
University of Idaho Extension
875 Perimeter Drive MS 2338
Moscow, ID 83844-2338

Phone: 208-885-5883

Fax: 208-885-6654

Email: extension@uidaho.edu

Google Maps

Barbara Petty

Email: extdir@uidaho.edu