Browsing Current Extension Publications Archive by Author "Knutson, Allen E."

Now showing items 1-14 of 14

    • Biological Control of Saltcedar 
      Knutson, Allen E.; DeLoach, C. Jack; Muegge, Mark A. (2003-10-21)
      Saltcedar is an exotic shrub or small tree that has spread throughout the rivers, streams and lakes of west and southwest Texas and other areas of the western United States. This brochure explains an effort to introduce ...
    • Controlling the Pecan Nut Casebearer 
      Knutson, Allen E.; Ree, Bill (2005-03-31)
      One of the most important nut-infesting pests of pecan is the pecan nut casebearer. This publication describes the casebearer and its seasonal cycle, and offers advice on scouting, trapping, insecticide selection, and ...
    • Controlling the Pecan Nut Casebearer (Spanish) 
      Knutson, Allen E.; Ree, Bill (2001-04-11)
      One of the most important nut-infesting pests of pecan is the pecan nut casebearer. This publication describes the casebearer and its seasonal cycle, and offers advice on scouting, trapping, insecticide selection, and ...
    • Controlling the Pecan Weevil 
      Ree, Bill; Knutson, Allen E.; Harris, Marvin (2005-04-05)
      The pecan weevil is a key pest of pecan in portions of Texas. This publication discusses the biology of the pest and how to use integrated pest management practices for control. Photographs illustrate adult and larval ...
    • Field Guide to Predators, Parasites and Pathogens Attacking Insect and Mite Pests of Cotton: Recognizing the Good Bugs in Cotton 
      Knutson, Allen E.; Ruberson, John (2005-07-08)
      The role of natural enemies in cotton pest management has often been obscured by the widespread use of broad-spectrum insecticides. However, cotton can support a large complex of insects, spiders and mites that feed on ...
    • Field Guide to the Insects and Mites Associated with Pecan 
      Ree, Bill; Knutson, Allen E. (1997-08-29)
      This field guide helps pecan growers identify some of the insects and mites commonly seen in pecans, both pests and natural enemies. Proper identification is important in making a management decision. The book is divided ...
    • Hessian Fly in Texas Wheat 
      Morgan, Gaylon; Sansone, Chris; Knutson, Allen E. (2005-07-01)
      The Hessian fly came from Russia and may have been introduced into the United States during the Revolutionary War. It has since spread to many parts of the country. By 2005, more than 67 counties in Texas reported Hessian ...
    • Homeowner's Guide to Pests of Peaches, Plums and Pecans 
      Knutson, Allen E.; Ree, Bill; Ong, Kevin; Mott, Dale; Kamas, Jim (2005-05-17)
      To deal with insect and disease problems on peaches, plums and pecans, it is necessary to understand the life cycles of pests and diseases. Pesticide safety instructions and spray equipment also are discussed, and spray ...
    • Managing Cotton Insects in the Southern, Eastern and Blackland Areas of Texas 2008 
      Parker, Roy D.; Knutson, Allen E.; Biles, Stephen; Kerns, David L.; Jungman, M. J. (2008-06-10)
      Cotton insect management techniques, including cultural control techniques that reduce the risk of crop damage, are discussed. The emphasis is on monitoring and identifying insect populations in cotton. A supplement (E-5A) ...
    • Managing Insect and Mite Pests of Commercial Pecans in Texas 
      Knutson, Allen E.; Ree, Bill (2004-09-21)
      Biological and chemical control measures are described for 12 pecan insect and mite pests, including phylloxera, pecan nut casebearers, spider mites and others. The publication provides information about the biology of ...
    • Managing Insect and Mite Pests of Texas Small Grains 
      Patrick, Carl D.; Knutson, Allen E. (2006-07-05)
      Small grain crops are important for fall and winter livestock grazing. Pests such as small wireworms and cutworms cause significant damage to these crops. Complete information about sampling, economic thresholds, and control ...
    • Managing Insects and Mite Pests of Texas Sorghum 
      Cronholm, Gregory B.; Knutson, Allen E.; Parker, Roy D.; Pendleton, Bonnie (2007-06-20)
      This is the complete guide for Texas sorghum growers. It covers an integrated approach to managing insect and mite pests to help growers prevent, diagnose and control damaging infestations. This publication offers suggestions ...
    • Managing Soybean Insects 
      Gouge, Dawn H.; Knutson, Allen E.; Cronholm, Gregory B.; Patrick, Carl D.; Way, M. O. (1999-07-29)
      This publication details integrated pest management principles for managing soybean insects. Topics include variety selection, inspecting fields for insects and damage, soybean insect pests, and insecticide application ...
    • Suggested Insecticides for Managing Cotton Insects in the Southern, Eastern and Blackland Areas of Texas--2008 
      Parker, Roy D.; Knutson, Allen E.; Jungman, M. J.; Biles, Stephen; Kerns, David L. (2008-06-19)
      This publication lists suggested insecticides (by brand name) and application rates for controlling cotton pests found in the Southern, Eastern and Blackland areas of Texas. This publication should be used in conjunction ...