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Plant pathology is the scientific study of diseases in plants caused by pathogens and environmental conditions. Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like organisms, phytoplasmas, protozoa, nematodes and parasitic plants. Not included are ectoparasites like insects, mites, vertebrate, or other pests that affect plant health by eating of plant tissues. Plant pathology also involves the study of pathogen identification, disease etiology, disease cycles, economic impact, plant disease epidemiology, plant disease resistance, how plant diseases affect humans and animals, pathosystem genetics, and management of plant diseases.
Australasian is the adjectival form of Australasia, a geographical region including Australia, New Zealand, and New Guinea.
Commonly known as hellebores, the Eurasian genus Helleborus consists of approximately 20 species of herbaceous or evergreen perennial flowering plants in the family Ranunculaceae, within which it gave its name to the tribe of Helleboreae. Despite names such as "winter rose", "Christmas rose" and "Lenten rose", hellebores are not closely related to the rose family (Rosaceae). Many hellebore species are poisonous.
A medical specialty is a branch of medical practice that is focused on a defined group of patients, diseases, skills, or philosophy. Examples include children (paediatrics), cancer (oncology), laboratory medicine (pathology), or primary care. After completing medical school, physicians or surgeons usually further their medical education in a specific specialty of medicine by completing a multiple-year residency to become a specialist.
Australasian Plant Pathology is a peer-reviewed international journal that publishes original research and critical reviews on phytopathology in the Australasian region. It is published by Springer Science+Business Media in cooperation with the Australasian Plant Pathology Society.
The British Society for Plant Pathology, or BSPP, is a UK-based organisation of British plant pathologists but accepts members from all countries. It was founded in 1981 and publishes three scientific journals: Plant Pathology, Molecular Plant Pathology and New Disease Reports. The BSPP has links to the International Society for Plant Pathology.
Armillaria luteobubalina, commonly known as the Australian honey fungus, is a species of mushroom in the family Physalacriaceae. Widely distributed in southern Australia, the fungus is responsible for a disease known as Armillaria root rot, a primary cause of Eucalyptus tree death and forest dieback. It is the most pathogenic and widespread of the six Armillaria species found in Australia. The fungus has also been collected in Argentina and Chile. Fruit bodies have cream- to tan-coloured caps that grow up to 10 cm (4 in) in diameter and stems that measure up to 20 cm (8 in) long by 1.5 cm (1 in) thick. The fruit bodies, which appear at the base of infected trees and other woody plants in autumn (March–April), are edible, but require cooking to remove the bitter taste. The fungus is dispersed through spores produced on gills on the underside of the caps, and also by growing vegetatively through the root systems of host trees. The ability of the fungus to spread vegetatively is facilitated by an aerating system that allows it to efficiently diffuse oxygen through rhizomorphs—rootlike structures made of dense masses of hyphae.
Podosphaera pannosa is a plant pathogen. It produces a powdery mildew on members of the rose family.
The American Phytopathological Society (APS) is an international scientific organization devoted to the study of plant diseases (phytopathology). APS promotes the advancement of modern concepts in the science of plant pathology and in plant health management in agricultural, urban and forest settings.
The Australasian Association of Philosophy (AAP) is the peak body for philosophy in Australasia. The chief purpose of the AAP is to promote philosophy in Australia, New Zealand, and Singapore. Among the means that it follows to achieve this end, the AAP runs an annual conference, publishes two journals, awards various prizes, sponsors postgraduate and undergraduate philosophical activities, maintains affiliations with numerous other organisations that aim to promote philosophy and philosophical activity, and promotes philosophy in schools, cafes, pubs, and everywhere else that philosophy may be found.
The National Society of Genetic Counselors (NSGC), founded and incorporated in 1979, is the largest association of genetic counselors with over 3,600 members. Its membership includes genetic counselors and other healthcare professionals working in the field of medical genetics from the United States, Canada, and around the world.
Kathleen Maisey Curtis, Lady Rigg was a New Zealand mycologist and was a founder of plant pathology in New Zealand.
Phoma clematidina is a fungal plant pathogen and the most common cause of the disease clematis wilt affecting large-flowered varieties of Clematis. Symptoms of infection include leaf spotting, wilting of leaves, stems or the whole plant and internal blackening of the stem, often at soil level. Infected plants growing in containers may also develop root rot.
John Henry Warcup was a New Zealand-born mycologist. He moved to the United Kingdom to undertake his PhD, examining distribution of fungi through soil profiles at Lakenheath Warren, in the University of Cambridge's botany department. He worked as a member of the Botany Department in the British Forestry Commission until 1951, when he accepted a position as a senior microbiologist in the Department of Plant Pathology at the then Waite Agricultural Research Institute, University of Adelaide where he worked until his retirement in 1986. In 1996 he was honoured by the British Mycological Society, becoming a Centenary Fellow. Warcup published over 70 papers in international peer-reviewed journals and was best known for his work with orchid mycorrhizal fungi, along with Aspergillus and Penicillium species. He was the patron of the Australasian Mycological Society, and two monotypic genera of fungi: Warcupia and Warcupiella (family Trichocomaceae) are named in his honour.
Ross Ewen Beever was a New Zealand geneticist and mycologist.
Thousands of plant diseases have been recorded throughout the world, many of these causing heavy crop losses. Early detection and accurate diagnosis is essential for the effective management of plant disease. Thus the first step in studying any disease is its timely detection of the diseased plant. Quick initial detection is largely based on the signs and symptoms of disease.
Mary Dilys Glynne was a British plant pathologist and mountaineer. She was the first plant pathologist at Rothamsted Experimental Station, particularly interested in soil-based fungal diseases including potato wart, eyespot in wheat and take-all. She discovered a method for identifying varieties of crop resistant to these fungal diseases and also prove that methods such as crop rotation only perpetuated the problem. Her research led to increased yields in agriculture, which was of particular note during World War II, and was appointed an OBE for her services to agriculture. Glynne was also a passionate mountaineer, climbing a number of famous Alpine peaks. She was the second person, the first woman, to climb Mount Spencer in New Zealand.
Karen Bailey is a retired research scientist who specialized in plant pathology and biopesticide development at Agriculture and Agri-Food Canada. Her research focused on developing alternatives to synthetic pesticides and improving plant health through integrated pest management strategies. She is internationally recognized for her expertise on soil-borne pathogens and biological control, and she has more than 250 publications, 23 patents, and 7 inventions disclosures in progress.
Pedro Willem Crous is a South African mycologist and plant pathologist.
References
- ↑ "Next APPS Conference". APPC Web Site. April 2011.
