In the middle of 17th Century the first use of brining of grain with salt water followed by liming took place to control bunt in seed wheat Tillet (1755) found, seed-borne fungi (Tilletia tritici, T. infestans on healthy potatoġ2 History of Fungicides Seed wheat salvaged from the sea was free of bunt. Powdery Mildews, Alternaria Sigatoka, Leaf Spots, Stem & Twig Canker, Anthracnose, Fruit diseases, Post harvest disease, Fussarium club root rot of crucifers Order : Oomycetes Pythium rot, Damping off,Root rot Phytophthora Diseases Downy Mildews The Rust, the Smut, Rizoctoniaġ1 Plant Pathology Plant pathology is the scientific study of diseases in plants caused by pathogens & environmental conditions Heinrich Anton de Bary (1831 – 1888) known as “father of plant pathology” (German surgeon, botanist, microbiologist, & mycologist) Proved plant diseases caused by fungi not by bad weather condition Publishing the book “Research on the development of some parasitic fungi” – trial, inoculated spores of P. Photosynthesis Respiration Plant nutrition Plant hormone functions Photoperiodism & photomorphogenesis Environmental stress physiology Seed germination Dormancy Stomata function Transpiration………etcĥ Diseased Plant Produce specific symptoms or that affects a specific location Entering living or non living pathogenic agents in to the host plant can cause diseases (except nutrient deficiencies)Ī living or unliving agent (infectious agent) that can cause a disease to the hostĪll three conditions should satisfy to cause the particular disease to the susceptible hostĨ What is a Fungus? A group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter due to that lack chlorophyll Attack crops above & below soil surface Spread by wind, rain, insects, birds, soil, machinery & contaminated seed Including moulds, yeast, mushrooms, & toadstoolsġ0 Fungi Classification Pathogenic Fungi Life cycle known MyxomycetesĬlassification : Example Kingdom : Plantae Division : Phycomycetes Class: Oomycetes Order : Peronosporales Family : Peronosporaceae Genus : Phytophthora Species : infestans Pathogenic Fungi Life cycle known Myxomycetes Phycomycetes Ascomycetes Basidiomycetes Deutromycetes Leaf Spots, Fruit spots Vascular wilts. Physiological function in a plant Vyuhaye ho ehi kriyakarithvaye akramavathbavayaĤ What are plant Physiological functions? Technical Training by: Sudarshan Patel Manager Marketing PI Industries Ltd.Ģ Fungus, Fungicides Classification & Activityįungus and Fungicide Basics Fungicide Mode of action Mobility in plant Strobilurine Fungicides & Cabrio Top Innovative fungicides in SL market & their features comparisonģ What is a Plant Disease? A disorder in Structure or
Presentation on theme: "Fungus, Fungicides Classification & Activity Sudarshan Patel"- Presentation transcript:ġ Fungus, Fungicides Classification & Activity Sudarshan Patel
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