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Economic Impact of Nematodes

  • Annual crop losses to world agriculture-est $100b and $8b in US
  • Some of most damaging pests of tropical, sub-tropical and temperate agriculture.
  • Root - knot nematodes (RKN) are the most destructive world wide

What are nematodes?

  • Small microscopic worm-shaped animals (0.5-10mm)
  • Other shapes (round, pear shaped)
  • 25% infect animals and plants
  • High fecundity & short life cycle
  • Occupy every habitat (freshwater, marine, brackish, terrestrial)
  • Numerical dominant - 80,000sp

---  Dr Ben Dube, Eastern University           Low cost plant parasitic nematode management strategies



  1. 2018-11-15 This session aims at discussing simple and yet effective agronomic practices for most vegetable crops that discourage the buildup of plant - parasitic nematodes and other soil borne pathogens in the soil. These agronomic practices range from timely watering or irrigation of crops, use of...
  2. This session aims at discussing simple and yet effective agronomic practices for most vegetable crops that discourage the buildup of plant - parasitic nematodes and other soil borne pathogens in the soil. These agronomic practices range from timely watering or irrigation of crops, use of...
  3. 关键资源 2000-01-20 For farmers, ranchers, ag professionals, resource specialists, conservationists, soil scientists, students and educators. The Soil Biology Primer is an introduction to the living component of soil and how it contributes to agricultural productivity, and air and water quality. The Primer includes...
  4. 2020-10-16 Many of the world’s most important vegetable crops originate from the Solanaceae plant family, including tomato, eggplant, and peppers. This family also includes a host of lesser-known but locally important species, such as naranjilla (Solanum quitoense), tamarillo/tree tomato (S. betaceum), and...
  5. 2018-11-20 Root-knot nematodes invade crop roots, form galls, and steal plant nutrients causing 125 billion dollars of crop loss worldwide (Ara and Hossain, 2011). Biological control methods such as compost, yard waste, and organic fertilizers can release nematicidal compounds as they decompose (McSorley,...
  6. 2018-02-08 Speaker Bio: Rhonda M. Oloan is from Bontoc, Mountain Province. She is one of the Researchers At Baguio National Crop Research Development and Production Support Center (BNCRDPSC) at the Bureau of Plant Industry of the Department of Agriculture, Philippines. She is currently involve in organic...
  7. This article is from ECHO Asia Note #3 Crotalaria juncea, or sunn hemp, is a member of the pea family (Fabaceae) grown in many countries as a green manure or forage crop. Originating in South Asia, but with a common cultivar developed in Hawaii, it is a fastgrowing, drought-tolerant and...
  8. 2002-04-20 Plant-parasitic nematodes are a problem for farmers throughout the tropics and subtropics. Most species of nematodes are not actually plant or animal parasites, but the ones that are parasitic make up a small but important minority.
  9. 1994-10-19 Information about nematodes affecting agroforestry trees. Nematodes are tiny “wire worms” that abound in the soil. The root-knot nematode,Meloidogyne incognita, is one of the most infamous, both for its devastating effect on crops and the ease with which its presence can be identified. The...
  10. AccessAgriculture Training Video Nematodes are dreadful worms that live in the soil and in the roots of many different crops and weeds. Nematodes are easier to prevent than to control. The secret is to: grow healthy seedlings; destroy all sources of nematodes in and near your vegetable field;...
  11. Abstract, FFTC Flooding and soil-borne diseases cause severe yield losses in tomato during the hot and wet summer months in the lowland tropics. The high market price during the summer period motivates farmers to adopt additional cultural practices to overcome production constraints, such as...
  12. Abstract -Journal of Nematology, 2000 Root-lesion nematodes, Pratylenchus spp., are among the pests with the greatest negative impact on the economy of coffee production in Guatemala. A field experiment was undertaken in southwest Guatemala to assess damage due to a root-lesion nematode and to...
  13. The Official Journal of theInternational Association for the Plant Protection Sciences The Editors ofCrop Protectionespecially welcome papers describing an interdisciplinary approach showing how differentcontrol strategiescan be integrated into practicalpest managementprograms, covering high and...
  14. Abstract HortScience 2007 Grafting of vegetable seedlings is a unique horticultural technology practiced for many years in East Asia to overcome issues associated with intensive cultivation using limited arable land. This technology was introduced to Europe and other countries in the late 20th...
  15. In the preceding section on identifying plant health problems (http://edis.ifas.ufl.edu/MG441), we explained how to first identify problems related to environmental factors or caused by insects. In this section, we will concentrate on diagnosing plant diseases caused by pathogenic microorganisms,...
  16. 关键资源 1996-10-15 Use this book to identify, control, and prevent diseases and disorders of melons, watermelons, squash, cucumbers, and other cucurbits. Table of Contents Introduction; Cucurbit Diseases; Infectious Disorders; Noninfectious Disorders; Botany and Culture; Seed Production; Cultural Practices Part 1:...
  17. 关键资源 2008-10-02 This practical handbook describes sampling and laboratory assessment methods for the biodiversity of a number of key functional groups of soil organisms, including insects, earthworms, nematodes, fungi and bacteria. The methods have been assembled and the protocols drafted by a number of...

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