How to Manage Pests

UC Pest Management Guidelines

Citrus

Cultural and Other Practices that Affect Pests

(Reviewed 9/08, updated 9/08)

In this Guideline:


  Planting site selection Scion cultivar Rootstock cultivar Pathogen-free nursery stock Planting method (e.g. planting high) Drainage Irrigation amount, frequency, and method Fertilization Avoiding mechanical injury Sanitation Windbreaks Weed and border vegetation control Cultivation Pruning extent and timing Skirt pruning Lesion excision Root crown excavate & dry Minimizing dust Harvest timing
Diseases
Alternaria rot             X                       X
Armillaria root rot X       X X X     X             X    
bacterial blast             X X   X X     X          
Botrytis rot                 X         X X        
brown rot             X               X        
dry root rot         X X X X X X             X    
Exocortis     X X           X       X          
lemon sieve tube necrosis   X                                  
Phytophthora gummosis         X X X                 X      
Phytophthora root rot     X   X X X                        
Psorosis     X X           X                  
Septoria spot                                     X
stubborn disease       X                   X          
Tristeza disease complex   X X X                              
 
Disorders
frost tolerance X X X       X X           X          
nutrient disorders X       X X X X                      
salinity X X X   X X X X                      
sunburn X           X X           X          
 
Invertebrates
ants                         X   X        
aphids               X                      
bean thrips X X                   X              
brown garden snail             X               X        
California red scale and yellow Scale                                   X  
caterpillars                                      
citricola scale                                   X  
citrus leafminer               X           X          
citrus peelminer   X                   X              
citrus red mite             X X                   X  
citrus thrips                     X                
cottony cushion scale                           X X        
earwigs                       X     X        
glassy-winged sharpshooter                     X X              
greenhouse thrips                                     X
katydids                                      
mealybugs                                   X  
potato leafhopper                       X              
purple scale                                   X  
Texas citrus mite               X                   X  
twospotted spider mite             X X                   X  
whiteflies                                   X  
Yuma spider mite               X                   X  
 
Nematodes X   X X           X                  
 
Weeds X       X X X     X   X X            

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Citrus
UC ANR Publication 3441

General Pesticide Information

  • E. E. Grafton-Cardwell, Entomology, UC Riverside and Kearney Agricultural Center, Parlier
  • J. G. Morse, Entomology, UC Riverside
  • N. V. O'Connell, UC Cooperative Extension, Tulare County
  • P. A. Phillips (emeritus), UC IPM Program, UC Cooperative Extension, Ventura County
  • C. E. Kallsen, UC Cooperative Extension, Kern County
  • D. R. Haviland, UC Cooperative Extension, Kern County

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