Now showing items 17-36 of 466

    • A Grower’s Guide to Organic Apples 

      Peck, Gregory; Merwin, Ian A. (New York State IPM Program, 2010)
      Many New York fruit growers have expressed interest in producing for the organic sector, where prices are relatively high and demand is increasing. However, reliable science-based information for commercial organic tree ...
    • 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, ...
    • 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. ...
    • Active Ingredients Eligible for Minimum Risk Pesticide Use: Overview of the Profiles 

      Baker, Brian P.; Grant, Jennifer A. (New York State IPM Program, 2018)
      These profiles identify data that are available for the physical and chemical properties, human health assessment, environmental assessment, product performance, and standards and regulations that apply to the substance. ...
    • Alfalfa Weevil Management Guide 

      Wise, Ken; Waldron, Keith; Woodsen, Mary (New York State IPM Program, 2014)
      A brochure about managing alfalfa weevil using IPM methods
    • American Cockroach Monitoring 

      Frye, Matthew (New York State Integrated Pest Management Program, 2019)
      This fact sheet describes why monitoring is important, how to conduct a monitoring program for American cockroaches, suggestions for what types of data to record, and how to interpret the results.
    • 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 Powdery Mildew 

      Strickland, David; Carroll, Juliet; Cox, Kerik (New York State Integrated Pest Management Program, 2020)
      Powdery mildew occurs in all apple-producing regions worldwide, especially where warm, humid climate conditions prevail. Young expanding plant tissues are particularly susceptible to the disease. Therefore, powdery mildew ...
    • 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 

      Ayer, Katrin; Carroll, Juliet; Cox, Kerik (New York State IPM Program, 2020)
      Apple scab, one of the most devastating fungal diseases of apple, occurs worldwide, wherever apples are grown. The fungal pathogen, Venturia inaequalis, can also infect crabapple, hawthorn, mountain-ash, firethorn, and loquat.
    • 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 ...