Pests

Please visit the UC Statewide Integrated Pest Management Program (UC IPM) website for an extensive list of pest management and identification sites.

INSECTS

• Acidification of tank mix to enhance the efficacy of organically registered pesticides for control of spotted wing drosophilia, Drosophilia suzukii :: Crop Notes newsletter (Jan.-Feb. 2010)
• (Arbuscular) mycorrhizal fungi in Kern county and dependency of carrots for optimal growth :: Kern County news release (June 2007)
• Bagrada bug, a new pest of cole crops in California's southern deserts :: Kern Vegetable Crops newsletter (Winter 2010)
• Beetle, western twelve-spotted cucumber :: IPM Info
• Bt for caterpillar control :: IPM Info
• Bulb mites :: Kern Vegetable Crops newsletter (Winter 2010)
• Codling moth control options near waterways :: Field Notes newsletter (May 2009)
• Cutworms :: IPM Info
• Earworms, corn :: IPM Info
• Earworms, sweet corn, organic control :: Central Coast Family Farm Report (Aug. 1989)
• Efficacy of novel insecticides on lepidopterous pest management in lettuce :: Crop Notes newsletter (Mar.-Apr. 2010)
• Evaluation of insecticides for whitefly and CYSDV management on melons :: Ag Briefs newsletter (Feb. 2010)
• Flea beetle and whitefly insecticide efficacy in lettuce, 2009 :: Ag Briefs newsletter (Sept. 2010)
• How yellow traps catch insects :: IPM Info
• (An) injected insecticide versus foliar insecticides for lettuce worm control in 2010 :: Ag Briefs newsletter (Sept. 2011)
• Insecticide efficacy against whitefly in broccoli, 2010 :: Ag Briefs newsletter (Sept. 2011)
• Low hybrid onion seed yields relate to honey bee visits and insecticide use :: California Agriculture (July-Sept. 2011)
• Soap spray as insecticide :: IPM Info
• Sowbugs and pillbugs :: IPM Info
• Spring sweet corn insecticide efficacy trial, 2010 :: Ag Briefs newsletter ( March 2011)
• Thrips control on onions :: Ag Briefs newsletter (Nov. 2011)
• Use of plastic and spray on mulches to repel aphids and thrips and their effect on plant growth :: Kern Vegetable Crops (Winter 2011)

PLANT PATHOLOGY (diseases, nematodes)

• Alfalfa mosaic virus :: Kern County news release (July 2008)
• Alternaria diseases :: see UC IPM website
• Anthracnose :: UC IPM
• Bacterial diseases of onions :: Kern Vegetable Crops newsletter (Winter 2010)
• Bacterial diseases of tomato :: Kern County news release (March 2011)
• Bacterial leaf spot of parsley: characterization of a new disease :: Crop Notes newsletter (Mar.-Apr. 2011)
• Blackmold of tomatoes :: Kern County news release (July 2007)
• Blossom-end rot on tomato :: IPM Info
• Botrytis gray mold problems on lettuce :: Crop Notes newsletter (May-June 2009)
• Catface/cracking of tomato fruit
• Complex tomato diseases photos :: CTRI (1998)
• Crop rotations as a method of disease control :: Kern Vegetable Crops newsletter (Dec. 2010)
• Curly top disease occurring on coastal tomato and pepper :: UC Salinas Valley Agriculture (Sept. 2010)
• Curly top disease of vegetable crops :: Crop Notes newsletter (Sept.-Oct. 2010)
• Damping-off diseases :: see UC IPM website
• Development of disease suppressive soils in the San Joaquin Valley :: Kern Vegetable Crops newsletter (Winter 2010)
• Downy mildew fungicides: effective products protect lettuce :: Crop Notes newsletter (July-Aug. 2010)
• Downy mildew of lettuce :: Ag Briefs newsletter (Nov. 2009)
• Effects of weather on vegetable disease development :: Kern County news release (Oct. 2009)
• Evaluation of insect repellents and barriers as method to control cucumber mosaic virus on bell peppers :: Kern Vegetable Crops newsletter (Aug. 2008)
• Evaluation of insecticides for whitefly and CYSDV management on melons :: Ag Briefs newsletter (Feb. 2010)
• Foliar disease and relative humidity :: Ag Briefs newsletter (Feb. 2010)
• Foliar diseases of carrots :: Kern Vegetable Crops newsletter (Dec. 2010)
• Fungicide efficacy of novel fungicides against Podosphaera xanthii, the powdery mildew pathogen on melons in 2009 :: Ag Briefs newsletter (Mar. 2010)
• Fungicide efficacy trial for control of certain soil diseases in direct-seeded melons :: Ag Briefs newsletter (Mar. 2010)
• Fusarium wilt of cilantro :: Crop Notes newsletter (Nov.-Dec. 2008)
• Fusarium wilt on tomatoes :: IPM Info
• Garlic rust outbreak in California :: Mike Davis, Steve Koike, Joe Nunez, and Richard Smith (1998)
• Insect pest management for organic crops :: UC ANR Publication 7251 (2000)
• Iris yellow spot virus: a continuing threat to onion crops :: Ag Briefs newsletter (Apr. 2009)
• Iris yellow spot virus in onions :: Ag Briefs newsletter (March 2011)
• Late blight :: Joe Nunez and Ron Voss (1996)
• Late blight of celery :: Albert Paulus, Dennis Hall and Beth Teviotdale, University of California
• Late blight may be an issue this year :: Kern Vegetable Crops newsletter (Winter 2010)
• Leaf diseases of carrot :: Crop Notes newsletter (May-June 2011)
• Losses due to lenticel rot are an increasing concern for Kern County potato growers :: Kern Vegetable Crops newsletter (Summer 2009)
• Naming a new race (Race PFS 12) of the spinach downy mildew pathogen :: Crop Notes newsletter (Jan.-Feb. 2011)
• Needle nematode: an important plant parasitic nematode of the Imperial Valley :: Ag Briefs newsletter (Oct. 2009)
• Nematodes :: Pest Notes 7489 (2010)
• New method to control soil borne pathogens: biological soil disinfestation :: Kern County news release (Feb. 2009)
• Occurence of bacterial leaf spot of parsley in 2009 :: Crop Notes newsletter (Mar.-Apr. 2009)
• Pesticides for specialty crops :: UC ANR Publication 7293 (2000)
• Phytophthora capsici, cause of root and crown rot of tomatoes, peppers and squash :: Kern Vegetable Crops newsletter (Aug. 2008)
• Pink rot of celery
• Potato scab of potatoes :: Kern County news release (Nov. 2008)
• Powdery mildew on vegetables :: UC IPM
• Powdery mildew of spring crops :: Ag Briefs newsletter (April 2011)
• Powdery mildew (Podosphaera xanthii) on melons :: Ag Briefs newsletter (July 2009)
• Preparing for harvest–late-season onion bulb diseases :: Ag Briefs newsletter (May 2009)
• Production of 80-inch beds impacts lettuce drop disease :: Crop Notes newsletter (Mar.-Apr. 2011)
• Recent progress on white rot control of garlic and onions :: Kern Vegetable Crops newsletter (Aug. 2008)
• Root-knot nematodes in tomatoes and “resistance-breaking” strains :: Field Notes newsletter (May 2009)
• Scab diseases of potato :: Kern County news release (Dec. 2008)
• Sclerotinia diseases :: UC ANR Publication 8042 (2001)
• Southern blight :: Kern County news release (July 2010)
• Southern blight :: Kern Vegetable Crops newsletter (Dec. 2010)
• Spinach as a host of impatiens necrotic spot virus :: Crop Notes newsletter (May-June 2009)
• Spinach downy mildew: new race found in 2008 :: Crop Notes newsletter (Nov.-Dec. 2008)
• Spinach downy mildew: preparing for another season :: Crop Notes newsletter (Jan.-Feb. 2012)
• Systemic downy mildew of lettuce and crucifier :: Crop Notes newsletter (Mar.-Apr. 2009)
• Tomato spotted wilt virus hitting lettuce crops:: UC Salinas Valley Agriculture blog (Oct. 2010)
• Tomato spotted wilt virus--update :: Field Notes newsletter (May 2011)
• Tobacco rattle virus: new virus found in spinach :: Crop Notes newsletter (Sept.-Oct. 2009)
• Using mode of action classifications in an integrated resistance management program–fungicide resistance :: Ag Briefs newsletter (Sept. 2009)
• Update of research on tomato powdery mildew control programs :: Field Notes newsletter (Feb. 2010)
• Vectors of viruses: a review :: Crop Notes newsletter (Nov.-Dec. 2010)
• Vegetable diseases: a colorful handbook :: FOR SALE Academic Press publication (2006)
• Vegetable diseases caused by soilborne pathogens:: UC ANR Publication 8099 (2003)
• Verticillium wilt in vegetable crops :: Field Notes newsletter (Aug. 2010)
• Virus problems in cucurbit :: Creamer, UC Riverside (1998)
• Viruses of garlic :: Kern Vegetable Crops newsletter (Aug. 2008)
• Winter and spring rains enhance diseases :: Crop Notes newsletter (Mar.-Apr. 2010)

WEEDS

• Mechanical weed control tools for vegetables :: Crop Notes newsletter (Jan./Feb. 2012)
• Pesticides for specialty crops :: UC ANR Publication 7293 (2000)
• Spinach weed control: where we have neen and where we are now :: Crop Notes newsletter (Mar.-Apr. 2011)

ADDITIONAL INFORMATION

• Biological control websites:
  • Cornell University :: Biological Control: a guide to natural enemies in North America
  • Cornell University :: IPM Program
  • North Carolina State University :: Biological Control Information Center
  • North Carolina State University :: IPM
  • Purdue University Extension Entomology :: Biological Control
  • University of California :: Statewide IPM Program
• Degree days in relation to an integrated pest management program :: Zalom and Wilson, UC Davis (136 kb)