Now showing items 1-20 of 249

    • A Soil Bioassay for the Visual Assessment of Soil Infestations of Lesion Nematode 

      Gugino, B.K.; Ludwig, J.W.; Abawi, G.S. (New York State IPM Program, 2015)
      Root-lesion nematodes (primarily, Pratylenchus penetrans) are major pathogens of vegetables in New York and the Northeast impacting both the quality and quantity of marketable yield. They are migratory endoparasites, ...
    • Acer 

      Thurn, Mary; Lamb, Elizabeth; Eshenaur, Brian (New York State Integrated Pest Management Program, 2018)
      Acer is a genus of about 120 species of maple trees and shrubs. Offering a wide range of choices for size, growth habit, leaf shape and brilliant fall color, maples are frequently found in residential and commercial ...
    • Achieving Biological Control of European Red Mite in Northeast Apples: An Implementation Guide for Growers 

      Breth, Deborah I.; Nyrop, Jan P.; Kovach, Joseph (New York State IPM Program, 1998)
      European red mites (ERM), Panonychus ulmi, feed on leaves of apple trees and thereby interfere with photosynthesis and production of carbohydrates. At high levels, ERM damage to apple leaves reduces fruit yield and quality. ...
    • American Plum Borer 

      Kain, David P.; Agnello, Arthur M. (New York State IPM Program, 1997)
      The American plum borer (APB) is a cambium-feeding moth pest of fruit and ornamental trees. It is unusual because it belongs to the pyralid, rather than the sesiid (clearwing) family, which is more commonly associated with ...
    • Angular Leaf Scorch 

      Pearson, Roger C. (New York State IPM Program, 1992)
      Angular leaf scorch was first described in 1985. Its symptoms are similar to those of rotbrenner, a disease of grapevines found in the cool grape-growing regions of Europe such as Austria, Germany, the Alsace and Champagne ...
    • Annual Bluegrass Weevil 

      Peck, Daniel; Derval Diaz, Maria; Seto, Masanori (New York State IPM Program, 2007)
      The annual bluegrass weevil (ABW) is a burgeoning pest of turfgrass in the northeastern United States. This native beetle is most prevalent and injurious in low-cut, high maintenance turf such as golf course greens, tees ...
    • Anthracnose of Cucurbits 

      Zitter, Thomas A. (New York State IPM Program, 1987)
      Anthracnose, caused by the fungus Colletotrichum lagenarium, is a destructive disease of cucurbits occurring during warm and moist seasons. Significant damage can occur to cucumber, muskmelon, and watermelon unless resistant ...
    • Apple chlorotic leaf spot virus 

      Cieniewicz, Elizabeth; Fuchs, Marc (New York State IPM Program, 2016)
      Apple chlorotic leaf spot virus (ACLSV) infects pome and stone fruits. It can elicit diverse symptoms although, in most cultivars the virus is latent, which means that infected trees do not manifest observable symptoms. ...
    • Apple Maggot 

      Reissig, W.H. (New York State IPM Program, 1991)
      The apple maggot (AM), a native of eastern North America, originally bred in large fruited hawthorns (Crataegus sp.). Later, it adopted apple as another host, and it has become a major fruit pest in the northeastern United ...
    • Apple Proliferation Phytoplasma 

      Carroll, Juliet; Marks, Michelle (New York State IPM Program, 2018)
      The organism responsible for this disease of apples, stone fruits, and other perennial fruit trees is a phytoplasma: a very small bacterium lacking a cell wall and enclosed in a single membrane. Inhabiting primarily the ...
    • Apple Scab 

      Wilcox, Wayne F. (New York State IPM Program, 1993)
      Apple scab is the most economically destructive disease of apples in the world. In the Northeast it is usually not possible to produce apples commercially without some program to control this disease.
    • Apple stem pitting virus 

      Cieniewicz, Elizabeth; Fuchs, Marc (New York State IPM Program, 2016)
      Apple stem pitting virus (ASPV) is a latent virus of pome fruits with worldwide distribution. In addition to apple, ASPV can affect pear and quince. Similarly to other latent viruses of pome fruits, infections with ASPV ...
    • Apple-Boring Beetles 

      Agnello, Arthur M. (New York State IPM Program, 1999)
      Although the number of wood-boring beetles attacking fruit trees is relatively small and their infestations are sporadic, four species found in New York are capable of seriously damaging or killing trees. They differ some ...
    • Asian Gypsy Moth 

      Carroll, Juliet; Marks, Michelle (New York State IPM Program, 2018)
      The Asian gypsy moth is an exotic insect pest native to Far East countries such as Russia, China, and Japan. Adult moths frequently lay their egg masses on cargo ships and shipping containers, and these hardy egg clusters ...
    • Asiatic Brown Rot 

      Carroll, Juliet; Marks, Michelle (New York State IPM Program, 2018)
      Asiatic brown rot, caused by the fungus Monilia polystroma, is native to Japan. Unlike our native brown rot which infects primarily stone fruit, Asiatic brown rot readily infects apple and pear. Asiatic brown rot has been ...
    • Assorted Foliar Diseases of Cucurbits 

      Zitter, Thomas A. (New York State IPM Program, 1992)
      The entire range of crops referred to as cucurbits are affected by various foliar diseases in the Northeast. Most damage appears on leaves and stems, but in several instances the fruit are directly infected or will develop ...
    • Bacterial Diseases of Beans 

      Dillard, Helene R.; Legard, Daniel E. (New York State IPM Program, 1991)
      There are three distinct bacterial diseases found on snap and dry beans in New York State: Bacterial brown spot, caused by Pseudomonas syringae pv. syringae, common bacterial blight, caused by Xanthomonas campestris pv. ...
    • Bacterial Diseases of Tomato 

      Zitter, Thomas A. (New York State IPM Program, 1985)
      Bacterial diseases of tomatoes can be some of the most serious and destructive diseases affecting both field- and greenhouse grown crops. Under moist field conditions they can cause localized epidemics affecting young ...
    • Bacterial Spot of Pepper 

      Zitter, Thomas A. (New York State IPM Program, 1985)
      Except for virus diseases, bacterial spot is the most important disease affecting peppers in New York. A mild case of bacterial spot causes prominent necrotic spots on leaves; a severe case can cause premature leaf drop ...
    • Banded Grape Bug 

      Martinson, Timothy; Loeb, Gregory M. (New York State IPM Program, 1998)
      The banded grape bug is a sporadic, early-season pest of grapes that feeds on clusters between bud break and bloom. It damages grapes during the period of rapid shoot expansion and flower cluster development. Injury by the ...