Education Commons^™

Ec03-1892 Identifying Soybean Rust

University of Nebraska-Lincoln Extension: Historical Materials

This four-color extension circular identifies the different diseases of soybeans: soybean rust, bacterial blight, bacterial pustle, and downy mildew. It also shows diseases that are similar looking: Cercospora blight, Frogeye leaf spot and brown spot. It also discusses what to look for when scouting for soybean rust.

Nf543 Ascochyta Blight Of Chickpeas, Robert M. Harveson

University of Nebraska-Lincoln Extension: Historical Materials

The chickpea (Cicer arietinum) ranks among the world’s three most important pulse (legume) crops. It is an important source of protein in many parts of central Asia, Africa and the Mediterranean and among the food legumes, is the most effective in reducing blood cholesterol levels.

Nf01-452 Bacterial Blight On Geranium, Loren J. Giesler, Jay B. Fitzgerald

University of Nebraska-Lincoln Extension: Historical Materials

The focus of this Nebfact is to help producers diagnose suspected bacterial blight problems and appropriately manage the situation.

Nf99-396 Prevention And Control Of Cercospora Needle Blight Disease In Junipers And Cedars, Steven D. Rasmussen, John G. Duplissis

University of Nebraska-Lincoln Extension: Historical Materials

This NebFact discusses methods to prevent and control cercospora needle blight disease in junipers and cedars.

G99-1384 Gray Leaf Spot Of Corn, James Stack

University of Nebraska-Lincoln Extension: Historical Materials

All corn hybrids and inbreds are susceptible to gray leaf spot in varying degrees. This NebGuide discusses the symptoms, impacts and management of this disease.

Corn is grown throughout Nebraska on over 8 million acres of land; approximately 5 million acres are irrigated. The market is segmented into seed corn, field corn and specialty corns (e.g., high oil, high amylose and white corn). Field corn represents the largest portion of the acreage grown. To varying degrees, all corn hybrids and inbreds are susceptible to gray leaf spot disease.

Gray leaf spot is a significant disease worldwide. It has been present …

G99-1391 Diseases Of Home Garden Tomatoes, John E. Watkins

University of Nebraska-Lincoln Extension: Historical Materials

Tomato diseases occur every year in every garden to some extent. This NebGuide discusses the symptoms and management of the most common and damaging ones in Nebraska.

Gardening is a favorite summer activity of backyard farmers and nothing tastes better than a ripe, home grown tomato. The popularity of local farmer's markets has increased tremendously in the 90s. Tomatoes are a mainstay of the backyard garden and the Saturday morning farmer's market. Being a successful gardener requires knowledge, skill and persistence. Every summer, nature pits the skills of the gardener against weather, insects and diseases. These challenges test our ability …

Ec95-1250 Forecasting Late Blight, Alexander D. Pavlista, Walter R. Stevenson

University of Nebraska-Lincoln Extension: Historical Materials

A method for forecasting environmental conditions favorable to the development of late blight is described. How is weather data obtained from hygrothermographs and weather stations? How are the data used to calculate severity values? How is late blight forecasted and fungicide applications scheduling recommended? These questions will be answered here. The intended audience is potato growers; tomato growers would also benefit.

G92-1120 Fire Blight Of Apple, Pear And Woody Ornamentals, John E. Watkins

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide tells how fire blight is spread among apple, pear and woody ornamentals. It describes the disease cycle and offers advice for treatment and protection.

Fire blight, caused by Erwinia amylovora, is the oldest, most serious bacterial disease of apple and pear. It was first reported in the late 18th century in the Hudson River Valley in New York. The disease is indigenous to North America, and probably occurred on native American plants such as crabapple, hawthorn and mountain ash and then spread to susceptible cultivated apples, pears and woody ornamentals planted by the early American pioneers. As …

Ec81-1870 Guide To The Identification Of Diseases Of Shrubs, John E. Watkins

University of Nebraska-Lincoln Extension: Historical Materials

This 4-color extension circular identifies the following diseases of shrubs in the home garden and landscape disease series: rose mosaics (rose mosaic virus and rose yellow mosaic virus), rose rust, fire blight, powdery mildew, crown gall, scab, iron chlorosis, honesuckle leaf blight, and phomopsis twig blight.

Ec77-122 Wheat Kernel Damage, Kim Anderson

University of Nebraska-Lincoln Extension: Historical Materials

There are eight classes of wheat: Durum wheat, Hard Red Spring wheat, Hard Red Winter wheat, Soft Red Winter wheat, Hard White wheat, Soft White wheat, Unclassed wheat, and Mixed wheat.

This publication discusses the principal wheat kernel damage: germ (sick and mold); heat; black tip fungus; blight or scab; green (immature), sprout, insect and insect chewed; frost (blistered, candied, flaked, and discolored black or brown). It also discusses special grades: infested, ergoty, garlicky, light smutty; smutty, treated, dockage, shrunken and broken kernels, foreign material, and test weight per bushel.

G74-188 Amaryllis Culture, Don Steinegger, John E. Watkins

University of Nebraska-Lincoln Extension: Historical Materials

The hybrid amaryllis (Hippeastrum) is a tender bulb easily grown in pots. Amaryllis is prized for its huge showy flowers ranging from scarlet or crimson to white in color, and often striped or mottled.

Amaryllis can be grown outdoors throughout the year in mild climates, but must be grown indoors in Nebraska except during the warm summer months. Amaryllis is prized for its huge showy flowers ranging from scarlet or crimson to white in color, and often striped or mottled. Most amaryllis are Dutch or African hybrids selected for flower size, color and ease of forcing. The usual flowering season …