Education Commons^™

G74-108 Wilts Of Cucurbits (Revised October 1994), James R. Steadman, David L. Keith, Laurie Hodges

University of Nebraska-Lincoln Extension: Historical Materials

Discussion covers the symptoms, disease cycles, and control measures for bacterial and Fusarium wilts of cucurbits, including cucumbers, cantaloupe, watermelons, squash, and pumpkins. Wilt caused by squash vine borer also is covered.

G74-170 Nitrates In Livestock Feeding, Richard J. Rasby, Rick Stock, Bruce Anderson, Norman R. Schneider

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide describes symptoms, causes, prevention and treatment of nitrate poisoning in livestock.

Nitrate poisoning in cattle occurred long before the use of nitrogen fertilizers. In the late 1800s there were reports of cornstalk poisoning in Nebraska, and nitrate poisoning from oat hay in North and South Dakota and from weeds in the high-organic matter soils in Florida and Wisconsin.

Nitrate concentrations in feeds for livestock depends more on plant species and environmental conditions prior to harvest than on the amount of available nitrogen in the soil.

G74-202 Wheat Soil-Borne Mosaic Disease (Revised October 2001), John E. Watkins

University of Nebraska-Lincoln Extension: Historical Materials

Host range, symptoms, disease cycle, and control options for wheat soil-borne mosaic disease are discussed.

Wheat soil-borne mosaic virus affects wheat (Triticum aestivum L.) growing primarily in central, eastern and west central Nebraska. This disease occurs annually; however, its effect on crop production in Nebraska varies from year to year due to variety selection, cropping practices and environmental conditions favoring disease development. In years when spring temperatures remain cool for extended periods, the virus remains active in infected plants, enhancing symptom development and increasing yield loss. The virus reduces tillering and affects kernel weights and test weights.

G74-113 A Quick Test For Atrazine Carryover (Revised March 1989), Alex Martin, R.N. Stougaard, Patrick J. Shea

University of Nebraska-Lincoln Extension: Historical Materials

How can you tell if you have atrazine carryover in your fields? Plants grown in soil samples can tell.

Residues of atrazine may remain in the soil and affect some susceptible crops the next year. Crops most often affected include soybeans, field beans, sugarbeets, alfalfa, oats, wheat and many broadleaf horticultural crops.

Attempts to predict the extent of carryover and damage to sensitive crops the year following atrazine use have been only partially successful. The rate of atrazine disappearance and, therefore, the amount remaining the next year, is affected by soil texture, pH and organic matter content, as well as …