Now showing items 78-97 of 463

    • Cabbage Looper 

      Andaloro, J.T.; Shelton, Anthony M. (New York State IPM Program, 1981)
      The cabbage looper is native to the United States and feeds on many cultivated vegetables, including all members of the cabbage family. This pest survives the winter only in the Gulf States. The adults migrate northward ...
    • Carrot Leaf Blight Diseases and Their Management in New York 

      Gugino, B.K.; Carroll, Juliet; Chen, J.; Ludwig, J.W.; Abawi, G.S. (New York State IPM Program, 2004)
      Carrot leaf blights are caused by two fungal pathogens, Alternaria dauci and Cercospora carotae and one bacterial pathogen, Xanthomonas campestris pv. carotae. Since any combination of the three pathogens may occur in a ...
    • Castor Oil Profile 

      Baker, Brian P.; Grant, Jennifer A. (New York State IPM Program, 2018)
      Castor oil is derived from the castor bean and is used for a variety of industrial and health-related applications. Its primary pesticide use is as an insecticide, but it is also used as a repellent for moles, gophers, ...
    • Cattlelice 

      Geden, C.; Steinkraus, D.; Rutz, Donald (New York State IPM Program, 1989)
      Cattle lice are among the most important arthropod (insect and mite) pests affecting dairy cattle in New York State and elsewhere in the United States. Lengthy, cool winters are particularly favorable to populations of ...
    • Cedar Apple Rust 

      Strickland, David; Carroll, Juliet; Cox, Kerik (New York State Integrated Pest Management Program, 2020)
      Cedar apple rust affects the foliage and fruit of apples (Malus domestica) and other members of the family Rosaceae (e.g. crabapple). This fact sheet describes the causal agent, the fungal pathogen, Gymnosporangium ...
    • Cedarwood Oil Profile 

      Baker, Brian P.; Grant, Jennifer A.; Malakar-Kuenen, Raksha (New York State IPM Program, 2018)
      Cedarwood oil is a natural substance derived from the wood of cedar, juniper and cypress. It is used as an effective fungicide, molluscicide and insect repellent—often against mosquitoes and moths. All pesticidal oil ...
    • Cherry Bark Tortrix Moth 

      Carroll, Juliet; Della Rosa, Linda (New York State IPM Program, 2018)
      A relatively new exotic pest in North America, cherry bark tortrix was found in British Columbia in 1989, in Washington in 1991, spread to Oregon, and has now established itself as a pest of ornamental cherries in the ...
    • Cherry Fruit Flies 

      Agnello, Arthur (New York State Integrated Pest Management Program, 2021)
      The tephritid fruit flies that feed on cultivated cherries in New York and surrounding areas include two native species, the cherry fruit fly, Rhagoletis cingulata, and the black cherry fruit fly, R. fausta, as well as the ...
    • Cherry Leaf Spot 

      Wilcox, Wayne F. (New York State IPM Program, 1993)
      Leaf spot is a common and sometimes serious disease of sour cherries in the Northeast. In wet years, high levels of infection can cause trees to defoliate by mid-summer, leading to inferior crop quality, significantly ...
    • Child Safe Playing Fields Act – Frequently Asked Questions 

      Lampman, Joellen (New York State IPM Program, 2015)
      Questions answered about the Child Safe Playing Fields Act
    • Chinese Hemlock in the Urban Landscape—An Alternative to Eastern Hemlock 

      Harper, Rick (New York State IPM Program, 2013)
      Eastern hemlock (Tsuga canadensis) is an important native forest species that provides many ecosystem services including shelter for wildlife, protection against erosion and shade for forest streams. Additionally, thanks ...
    • Christmas Berry Webworm 

      Carroll, Juliet; Marshall, Grace (New York State Integrated Pest Management Program, 2020)
      A native to the Mediterranean region, Cryptoblabes gnidiella has made its way through parts of Asia, Africa, Europe, South America, and the Caribbean. However, records of specimens intercepted in countries where it has yet ...
    • Cinnamon & Cinnamon Oil Profile 

      Baker, Brian P.; Grant, Jennifer A. (New York State IPM Program, 2018)
      Cinnamon and cinnamon oil are spices derived from tropical plants with a long and well-established use in food and fragrances. The main biologically active substances in cinnamon are cinnamaldehyde and eugenol, although ...
    • Citric Acid Profile 

      Baker, Brian P.; Grant, Jennifer A. (New York State IPM Program, 2018)
      Citric acid is a naturally occurring substance and a common food ingredient. It is a severe eye irritant and can cause other health problems to exposed people. Its pesticidal use is primarily as an antimicrobial. The EPA ...
    • Citronella & Citronella Oil Profile 

      Baker, Brian P.; Grant, Jennifer A.; Malakar-Kuenen, Raksha (New York State IPM Program, 2018)
      Citronella oil is derived from two perennial grasses of the Cymbopongon species. As a pesticide, the essential oil is primarily used as a mosquito repellent, but also has other insecticidal, acaricidal and herbicidal ...
    • Climbing Cutworms 

      Taschenberg, E. F.; Riedl, H. (New York State IPM Program, 1985)
      The name “cutworm” is applied to a large number of larvae of lepidopterous species in the family Noctuidae. The moths are night flyers and the larvae are night feeders. Both stages hide during the day. Many of the cutworm ...
    • Clothing Treatment—Permethrin Treated Clothing Can Kill Ticks 

      New York State Integrated Pest Management Program (New York State Integrated Pest Management Program, 2018)
      How to procure and use permethrin treated clothing that can kill ticks.
    • Clover Mites: Tiny Dots on the Move 

      Alpert, Gary; Frye, Matthew (New York State IPM Program, 2015)
      Clover mites are tiny arthropods related to spiders and ticks. They neither bite humans nor transmit disease, but become a problem when they enter human structures in large numbers in early spring and late summer. Crushing ...
    • Cloves & Clove Oil Profile 

      Baker, Brian P.; Grant, Jennifer A.; Malakar-Kuenen, Raksha (New York State IPM Program, 2018)
      Clove oil is the essential oil of the clove plant, and may be derived from flower buds, leaves and stems. The principal biologically active component is eugenol. Clove oil may be used as an insecticide, fungicide or ...
    • Clubroot of Crucifers 

      Zitter, Thomas A. (New York State IPM Program, 1985)
      Clubroot remains one of the important diseases affecting members of the mustard, or Cruciferae, family. The disease occurs worldwide and affects such important crops as cabbage, cauliflower, brussels sprouts, broccoli, and ...