The old adage ‘You can’t fix a problem if you don’t know you have one’ underpins the basic science of diagnosing plant diseases and nutrient deficiencies. For years, farmers and scientists have worked together to identify a set of visual clues that can be used to determine diseases and nutrient deficiencies in a variety of agronomic crops. These clues and symptoms can be extremely useful, especially when soil and plant tissue testing methods are neither feasible nor available.

 

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  1. This group pageexists so that individuals involved in Plant Healtharound the world can connect. We encourage you to share the challenges you face in your endeavors, discuss lessons and techniques learned through your experiences, and share your story!
  2. Rating: 5.0 - 1 Vote
    This article is from ECHO Asia Note #29 The old adage ‘You can’t fix a problem if you don’t know you have one’ underpins the basic science of diagnosing plant nutrient deficiencies. For years, farmers and scientists have worked together to identify a set of visual clues that can be used to...
  3. Rating: 5.0 - 1 Vote
    2002-01-01 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...
  4. Rating: 3.0 - 1 Vote
    2001-04-20 Soil acidity, or low pH, limits plant growth in many parts of the world. Although low pH can harm plants in many ways, this article will deal only with one of these factors, aluminum (Al) toxicity.Al is the third most abundant element on the earth (after oxygen and silicon), and the most abundant...
  5. The NPDN was established in 2002 in response to the need to enhance agricultural security through protecting health and productivity of plants in agricultural and natural ecosystems in the U.S. With support from the USDA-NIFA and through the collective efforts of many individuals representing...
  6. Growing vegetables provides fresh produce for the family while giving us full control over what is used in the care and maintenance while growing the vegetables. Pest control is important in vegetable gardens to keep hungry insects from feasting on the plants. However, pesticides often contain...
  7. 1993-06-15 Amazon.com Description This book discusses the role of essential nutrients in relation to nearly two dozen crops. Use the book's 307 color photographs to diagnose disorders in the field. The accompanying text explains symptoms in detail, with information provided by 31 crop experts. Covers the...
  8. 2015-11-01 Amazon.com Description Soybean is one of the most significant crops grown in the world today. Soybeans are also hosts to a long list of diseases and insect pests, and that list grows each year. New and practical references that help users identify and manage this growing range of threats are...
  9. Plantwise is a global programme led byCABI, which works to help farmers lose less of what they grow to plant health problems. Working closely with national agricultural advisory services we establish and support sustainable networks ofplant clinics, run bytrained plant doctors, where farmers can...
  10. Mobile Assay’s customizable product and services offer a comprehensive solution for all your diagnostic needs. MIRRORis a versatile quantitative RDT reader application for android and iOs smartphones. Whether your concern is food safety, animal safety, or point-of-care diagnostics for health,...
  11. Plantnutritionistsacross the globe are on their toes to find ways and means to identify nutrient constraints as early in standing crop season as possible while dealing with perennial crops. Exciting progress has been made over the years, and accordingly, the basis of nutrient management strategy...
  12. The NPDN was established in 2002 in response to the need to enhance agricultural security through protecting health and productivity of plants in agricultural and natural ecosystems in the U.S. With support from the USDA-NIFA and through the collective efforts of many individuals representing...
  13. Abstract -Journal of Plant Nutrition, 2006 On-farm studies were conducted during 2002–2004 to determine fertility status, including sulfur (S) and micronutrients, and crop response to fertilization on farmers’ fields in the semi-arid zone of India. Nine hundred-twenty four soil samples taken from...
  14. 2005-01-10 Amazon.com Description This fifth edition of the classic textbook in plant pathology outlines how to recognize, treat, and prevent plant diseases. It provides extensive coverage of abiotic, fungal, viral, bacterial, nematode and other plant diseases and their associated epidemiology. It also...
  15. Penn State Ag Extension information on plant disease identification and control
  16. Critical Reviews in Plant Sciencesfocuses on presenting in-depth and up-to-date reviews of timely and/or cutting-edge subjects in the broad discipline of plant science, ranging from molecular biology/biochemistry through the areas of cell biology, plant pathology and physiology, genetics,...
  17. Journal of Plant Pathology & Microbiology (JPPM), a broad-based journal was founded on two key tenets: To publish the most exciting researches with respect to the subjects of Plant Pathology & Microbiology. Secondly, to provide a rapid turn-around time possible for reviewing and...
  18. Journal of Integrated Pest Managementis an open access, peer-reviewed, extension journal covering the field of integrated pest management. The Editors-in-Chief are Dr. Marlin E. Rice (formerly with Iowa State University) and Dr. Kevin L. Steffey (formerly with the University of Illinois). The...
  19. 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...
  20. 2018-02-08 Speaker Bio: Marites A. Alimurung is from La Trinidad, Benguet. 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 involved in organic...
  21. 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...
  22. The Leaf Doctor performs quantitative assessments for plant diseases on plant organs such as leaves. Users collect or submit photographs of diseased plant organs and calculate the percentage of diseased tissue. Through a user’s touching of the device screen, the algorithm employs user-specified...
  23. A comprehensive collection of crop nutrient deficiency photos. A range of nutrient deficiency examples are provided for 14 prominent crops. Text and diagrammatic descriptions are also provided. alfalfa, banana, barley, canola, citrus, cotton, maize, oil palm, potato, rice, sorghum, soybean,...
  24. Before discussing the key ecological principles and approaches to soil management, let’s first see how amazing plants really are. They use a variety of systems to defend themselves from attack by insects and diseases. Sometimes they can just outgrow a small pest problem by putting out new root or...
  25. Abstract, There are various ways in which plant nutrient supply or concentration affects plant diseases and pests. The supply of nutrients changes the resistance of plants to pathogens and pests by altering growth and tissue composition (e.g., concentration of soluble compounds or defence...
  26. A plant pathologist or a student taking plant pathology is often asked by friends or associates the following questions. What is wrong with my plant; followed by, what can I do to get rid of the problem? It may be too late to help the specific plant when the question is asked, but proper...
  27. Abstract, ResearchGate, 2017 Plant diseases cause substantial losses in yield of plants, leading to huge economic losses. Accurate identification and diagnosis of plant diseases are very important in the era of climate change and globalization for food security as well as prevention of the spread...
  28. 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,...
  29. Abstract,University of Tehran, 2017 Nowadays, hundreds of plant clinics are available for smallholder farmers especially in developing and less-developed countries in order to improve the yield and quality of agricultural products. Several investigations have been carried out to study the role of...
  30. Beginning master gardeners can be intimidated by the daunting task of correctly diagnosing the cause of a client's plant health problem. However, with experience and the development of a systematic approach to diagnosis, master gardeners will become confident and successful plant problem...
  31. OISAT is an information management concept on non-chemical pest management in the tropics comprising two components: OISATInfo is a web-based information tool offering trainers, extension workers and farmers a quick access to up-to-date information for their work and for organizing agricultural...
  32. Abstract, International Clinical Pathology Journal, 2017 SK Thind, Punjab Agricultural University, India India is the second largest producer of fruits in the world, contributing 10% of the total production. But, the total production is quite below (45.496million tons from 37.96million hectares)...