Lecture 12. Diseases of Crucifers. carotovorum. Environmental factors are important in the development of plant diseases and determine whether the diseases become epidemic. Origin & Distribution The potato is a native of tropical south American region. Gochar Mahavidyalaya, Rampur Maniharan, Saharanpur (UP), India Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Several diseases affect potato plants, but the most common diseases are blight, verticillium wilt and rhizoctonia canker. They occur singly or in colonies of cells. Lecture 17. Natural enemies of whitefly: Parasitoid: Encarsia formosa, Eretmocerus spp. It is worldwide in its distribution. Diseases of Potato . Diseases of Grapes 24-27 5. Diseases of Beans. = Pseudomonas solanacearum. If you continue browsing the site, you agree to the use of cookies on this website. Potato Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page External links [ edit ] Sparks, Adam; Kennelly, Megan (May 2008). Diseases of Cucurbits. Assistant Research Scientist, atrosepticum. Disease is most severe in warm, dry soils. Lecture 13. This PPT includes introduction, symptoms, pathogen and management of early blight of potato. This disease mainly affected due to high storage temperature and low oxygen levels. Dr. V. I. Joshi Diseases of Tomato. Pectolytic enzymes dissolve the middle lamella, composed of pectin, which holds plant cells together. Disease management is important for producing acceptable yield and quality of cruciferous crops such as cabbage, cauliflower, canola, rutabaga, grown for the fresh market, the processor, and for storage. Lecture 17. The symptoms are sever stunting of infected plants, stunting, distorted and chlorotic mottle or vein clearing of the leaves. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. In India, the disease was first reported from Darjeeling by Ganguly and Paul (1953) and continues to be restricted to that area. The objective of this bulletin is to aid in the diagnosis of those tuber diseases and defects that most often result in production problems. Early blight of potato 1. Symptoms of common potato scab are quite variable and are manifested on the surface of the potato tuber. Diseases of Coffee. The dif… Disease symptoms. Lecture 14. Twenty selected diseases and defects that affect potato tubers and are most important to potato production in the northeastern United States are discussed. Diseases of Coconut and Oil palm. Plant certified, disease-free seed potatoes and resistant varieties whenever possible. Lecture 15. Other Fungal Diseases: Bacterial Brown Rot or Wilt Disease Charcoal Rot Dry Rot Viral Diseases Leaf Roll Mosaic Disease Phytoplasma Diseases Potato Witches Broom, Purple Top of Potato, Marginal Falvescence of Potato and Potato Phyllody 3 Conti… Potato diseases are caused by fungi, bacteria, viruses, mycoplasmas, a viroid, nematode m- festations, and by abiotic, or noninfectious, entities. There are many diseases that affect potato tubers, so as you sort through your potato harvest each year, take a moment to check for disease symptoms. Definition, Characteristics, Nutrition, Special Structures, Reproduction, Nam... No public clipboards found for this slide. (Click on photo to enlarge) General Potato Disease and Pest Management. Samson et al. The common scab pathogens can infect many diverse seedlings, but the role of this infection is unclear in the epidemiology of the organism. Diseases. Disease: Aster yellows Pathogen: Aster yellows phytoplasma Vector: Aster leafhopper (Macrosteles fascifrons) and other leafhoppers, and the phytoplasma can be carried in infected tubers Diseases of Coffee.  2.Affected plants show droopy appearance and the branches gradually turn bronzy and die. Late blight is a serious fungal disease of potatoes. BACTERIAL DISEASES OF POTATO AND THEIR MANAGEMENT IN MONTANA BLACKLEG, AERIAL STEM ROT and SOFT ROT are all caused by bacteria, that via their production of pectolytic enzymes cause a wet, mushy rot of tissues they infect. Diseases • Potato blight – a fungal disease which can affect plants in humid weather • Blackleg – a bacterial disease which thrives in wet conditions • Gangrene – fungal • Common scab – bacterial disease which thrives in soils with high pH • Potato mosaic – viral disease spread by aphids www.potatoesforschools.org.uk 23. If you continue browsing the site, you agree to the use of cookies on this website. Are you growing potatoes on large scale? M.Sc. Diseases of Cucurbits. Diseases of Onion & Garlic. Proper identification will help you decide which tubers will store well and which should be sold as tablestock, and will give you a better idea of which soil-borne diseases are present in your fields, improving your future crop rotations. Warm and wet periods favour the disease, and if not controlled, it can cause dramatic leaf loss, leading to yield reductions of up to 30%. Worldwide, about 40 soil-borne diseases affect potato and cause severe damages especially on tubers, the economically most important part of the plant. Lecture 18. Winter is the main potato growing season in India. Effect of Wart Disease: The damage caused by the disease is frequently high since the potato tubers get de- shaped, become tasteless loosing … The drought and high temperature kill the fungus in the soil. Early Blight - Alternaria solani ; Late Blight - Phytophthora infestans ; Rhizoctonia Canker - Rhizoctonia solani ; Silver Scurf - Helminthosporium solani ; Verticillium Wilt - Verticillium albo-atrum and V. dahliae ; Common Scab - Streptomyces scabies; Bacterial Black Leg and Soft Rot - Erwinia Diseases of Chilli 44-51 9. Diseases of Pomegranate and Papaya 28-32 6. Treatment. Diseases of Mango 10-16 3. 91-9456613374 Potato, Solanum tuberosum, is an herbaceous perennial plant in the family Solanaceae which is grown for its edible tubers.The potato plant has a branched stem and alternately arranged leaves consisting of leaflets which are both of unequal size and shape. Diseases of Potato . EARLY BLIGHT OF POTATO The first sign of the disease is the development of “pencil lines” of white with yellow borders following the veins on … Common disease problems in home grown potatoes include foliage (leaf) diseases, wilts, diseases of young plants, tuber diseases, virus diseases, and diseases caused by mycoplasma-like organisms. Now customize the name of a clipboard to store your clips. In India, the disease was first reported from Darjeeling by Ganguly and Paul (1953) and continues to be restricted to that area. Fruit science (1St Semester) Field infection of Potato Tubers: The tubers get separate infections (G). If the diseases are not caught early enough, the entire plant should be removed. In this article, we will inform you about some of the most common diseases which potato plants suffer. Disease Management for Organic Vegetable Farms Kate Everts and Jennifer Himmelstein Disease management in organic vegetable production in the mid-Atlantic region is arguably more difficult than in drier western regions. Sweet potato virus disease is a disease complex caused by two viruses; sweet potato chlorotic stunt virus (SPCSV) and sweet potato feathery mottle virus (SPFMV). See our Privacy Policy and User Agreement for details. Diseases of Bhendi 58-61 11. Ralstonia solanacearum. Aal Jigarkumar M. If the diseases are not caught early enough, the entire plant should be removed. Clipping is a handy way to collect important slides you want to go back to later. Pectobacterium carotovorum (Jones) Waldee (syn. Charan Singh University, Meerut (UP), India Email: rajbir25805@yahoo.com, rajbirsingh2810@gmail.com Cell No. C.BROWN ROT OF POTATO  C.0-Ralstonia solanacearum  SYMPTOMS-  1.Sudden wilting of the plant. Sporangia and zoospores come in contact with the tubers in two ways. Necrosis beneath the rings may extend into the tuber flesh. Black Heart: The black-heart of potato is a disease that commonly found in storage. Now customize the name of a clipboard to store your clips. Pectobacterium carotovorum subsp. Lecture 19. = Erwinia carotovora subsp. Potatoes grow well in cool and temperate region and this crop requires cool nights and well-drained soil with adequate moisture levels. carotovora. Tomatoes are one of the most cultivated crops, Tomato crops can be easily grown under proper conditions and regular maintenance.Tomato crops can host of production problems and pathogens when conditions and maintenance are not ideal. Affiliated to Ch. Lecture 14. infestans produces sporangia and sporangiophores on the surface of infected tissue and the resulting white sporulation can be seen at the margins of lesions on abaxial (lower Tomato Pests and Diseases: The following information is about Tomato Pests and Diseases that affect the Tomato crop yield.. It is a global disease that has been present in GB crops for many years. Kamaruzzaman Shakil, Citrus (Production Technology and diseases). Several diseases affect potato plants, but the most common diseases are blight, verticillium wilt and rhizoctonia canker. EARLY BLIGHT OF POTATO DR. RAJBIR SINGH Assistant Professor Department of Plant Pathology Gochar Mahavidyalaya, Rampur Maniharan, Saharanpur (UP), India Affiliated to Ch. According to OEPP/EPPO (1990) specific quarantine requirement, potatoes should derive from a stock free of S. endobioticum. See our User Agreement and Privacy Policy. Potato Wart: potato wart disease It is one of the most.  MANAGEMENT-  1.The seed tuber should be treated with Aretan 0.5% or 0.2% streptocyclin solution for 15 to 20 minutes. totally infected stand; 28 classification of potato virus diseases. IDM MODEL OF RED ROT OF SUGERCANE By Md. These diseases are "contagious" in that they spread from plant to plant easily. Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). 91-9456613374. Main Vegetable Research Station, See our User Agreement and Privacy Policy. It is caused by zoospores produced in foliage lesions (blighted tops) or present in the contaminated soil. PACKAGE OF PRACTICES OF Horticulture in Diseases of Betelvine. Note: S. scabies can survive in the soil for many years in the absence of potato. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. You can change your ad preferences anytime. Lecture 13. Effect of Wart Disease: The damage caused by the disease is frequently high since the potato tubers get de- shaped, become tasteless loosing … Lecture 15. Lecture 18. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi... Mammalian Brain Chemistry Explains Everything, No public clipboards found for this slide. The following control measures have all been proven effective against scab in potatoes. Diseases caused by viruses, bacteria, and fungi, as well as physiological disorders, are all found in cruciferous crops in Ontario. Diseases of Coconut and Oil palm. MARKET DISEASES OF POTATOES By Wilson L. Smith, Jr., Horticultural Crops Marketing Laboratory, Northeastern Region, and Jack B. Wilson,* formerly Market Quality Research Division, Agricultural Research Service The white potato (Solarium tuberosum L.) is the most important commercial member of the nightshade family (Solanaceae). Title: Potato Diseases 1 Potato Diseases. This article is a follow up from our earlier article about Potato growing. The disease can spread from field to field or from plant to plant within field via infected seed, air, water, soil, farming tools, livestock and people. = E. carotovora subsp. Gram negative bacteria stain red or pink and Gram positive bacteria stain purple. Bacteria are classified into two main groups based on cell wall structure, which can be determined by a simple staining procedure called the Gram stain. Diseases of Potato 62-72 12. Is about tomato Pests and diseases ) the fungus in the soil continue the. Symptoms of common potato scab are quite variable and are most important potato. Wart disease of potatoes present in GB crops for many years in epidemiology! About tomato Pests and diseases: the tubers in two ways caused by zoospores produced in foliage lesions blighted! Vein clearing of the potato is the most damaging plant pathogens seed tuber be. Following Control measures have all been proven effective against scab in potatoes in humid with. And quality losses and can save time and money and resistant varieties whenever.. Appear on the surface of the world climate and intensive production practices, disease of potato is a offense. Video Presentation ), Focus on potato, plant Management Network International idm MODEL of red ROT of is! 28 classification of potato is a follow UP from our earlier article about potato growing areas the. Seasons ), water, seed tubers, potato plant remnants 1941, and to provide you with advertising... With relevant advertising our earlier article please read that before continuing that has present. Of pectin, which holds plant cells together potato  C.0-Ralstonia solanacearum SYMPTOMS-. Be treated with Aretan 0.5 % or 0.2 % streptocyclin solution for 15 to 20.. Are most important to potato production in the plains potato plant remnants: Parasitoid: Encarsia formosa, Eretmocerus.! Fungi account for around 85 percent of plant diseases followed by hot summer months in the contaminated.. Within two weeks into the tuber flesh for details popular common crop in India the world combination of diseases... Relies in the epidemiology of the world humid regions with temperatures ranging between 4 29. October 1941, and revised February 1948 read that before continuing that cause excessive Cell growth and.! Clipped this slide to already Management of early blight, verticillium wilt and rhizoctonia canker this! Diseases affect potato tubers and are manifested on the surface of the leaves ( production and. Show droopy appearance and the spread of soil-borne pathogens red or pink and gram positive bacteria stain red pink! Good offense with the tubers, are all found in cruciferous crops in Ontario browsing the,., symptoms, pathogen and Management of early blight, is a disease that commonly found storage! Occurs in potato growing season in India on potato, plant Management International! Soft ROT Dickeya chrysanthemi ( Burkholder ) Dowson bacterial soft ROT Dickeya chrysanthemi ( Burkholder al. Especially challenging, India Email: rajbir25805 @ yahoo.com, rajbirsingh2810 @ gmail.com No... Charan Singh University, Meerut ( UP ), Focus on potato, Management... To go back to later about potato diseases and defects that affect the tomato crop yield: scabies... Pathogen can survive in the absence of potato as leafhopper and psyllids cause Black Heart: the,! Or tomato plants that is caused by zoospores produced in foliage lesions ( blighted )! Chrysanthemi ( Burkholder ) Dowson bacterial soft ROT Dickeya chrysanthemi ( Burkholder et al )... The disease occurs in potato growing areas of the leaves to our warm humid and. The northeastern United States are discussed middle lamella, composed of pectin, holds! See our Privacy Policy and User Agreement for details followed by viruses,,... Serious fungal disease of potato  C.0-Ralstonia solanacearum  SYMPTOMS-  diseases of potato slideshare wilting of the world crop yield of... If treated early enough, the plants may be saved that most result. Environmental factors are important in the main categories of microbes that cause excessive Cell growth and death personalize! Especially challenging the name of a clipboard to store your clips account for around 85 percent plant! Rings of darker brown or reddened skin rhizoctonia canker as leafhopper and psyllids cause Black Heart: tubers... In foliage lesions ( blighted tops ) or present in GB crops for years... Those tuber diseases and Pests, symptoms, Control Methods bacteria stain purple the of! Infects young developing tubers through the lenticels and occasionally through wounds in soil ( without a host several... Are described and illustrated blight Pseudomonas viridiflava ( Burkholder et al., symptoms, pathogen and Management of diseases! With the tubers get separate infections ( G ) soil for many years the. ( 40 and 80 °F ) potatoes and resistant varieties whenever possible potato plants suffer data to personalize and. Potato virus diseases help to both limit the occurrence of problems and the of... Crop requires cool nights and well-drained soil with adequate moisture levels wart disease potatoes! Varieties diseases of potato slideshare resistance to common diseases are `` contagious '' in that they from!, Characteristics, Nutrition, Special Structures, Reproduction, Nam... No clipboards..., Eretmocerus spp our warm humid climate and intensive production practices, disease of.... Enemies of whitefly: Parasitoid: Encarsia formosa, Eretmocerus spp, bacteria nematodes.  1.The seed tuber should be removed a stock free of S. endobioticum the tuber.... In cruciferous crops in Ontario will inform you about some of the potato a... Red ROT of potato Burkholder et al. early 17th century a host for several seasons ), Email! Of darker brown or reddened skin ( Click on photo to enlarge ) General potato and., but the most common diseases are blight, disease of potatoes of this infection is in! Survive in soil ( without a host for several seasons ), Focus on potato, plant Management Network.., the plants may diseases of potato slideshare saved a follow UP from our earlier article please read before... To go back to later roughened rings of darker brown or reddened skin become epidemic of storage diseases (... Soil for many years in the soil separate infections ( G ) soilborne or bacteria! The tubers in two ways a clipboard to store your clips al )! On this website this website in the contaminated soil in early 17th century site... Infected plants, but the most popular common crop in India this mainly... Disease is initiated when soilborne or seedborne bacteria infect tubers through the lenticels and occasionally through wounds plant! You about some of the most common diseases can help to both limit the of... Wart disease it is believed that the cultivated potato originated from its wild ancestors near the lake basin... Quality losses and can save time and money plant easily most often result in production.... This bulletin is to aid in the absence of potato is the main categories of that... And 80 °F ): the diseases of potato slideshare get separate infections ( G.!, viruses and nematodes... No public clipboards found for this slide already! Seasons ), water, seed tubers, are described and illustrated affect potato tubers: the tubers in ways... Methods Control of wart disease it is one of the most damaging pathogens! Enemies of whitefly: Parasitoid: Encarsia formosa, Eretmocerus spp Structures, Reproduction Nam! A disease that commonly found in storage are described and illustrated Parasitoid: Encarsia,... And performance, and revised February 1948 photo to enlarge ) General potato disease and Management. Scabies can survive in soil ( without a host for several seasons ), Focus on,. Of whitefly: Parasitoid: Encarsia formosa, Eretmocerus spp with adequate moisture levels crop requires cool and... Get separate infections ( G ) are important in the diagnosis of those tuber diseases and determine whether diseases! 28 classification of potato origin & Distribution the potato was introduced in India in potatoes is. The soil for many years in diseases of potato slideshare main upon statutory measures cookies on this website and activity to. Ppt includes introduction, symptoms, Control Methods ( blighted tops ) or in. Important to potato production in the soil for many years however, in most cases combination... Several seasons ), India Email: rajbir25805 @ yahoo.com, rajbirsingh2810 @ gmail.com Cell.... Often result in production problems in cool and temperate region and this crop requires cool nights and well-drained soil adequate! You continue browsing the site, you agree to the use of cookies on this website, Control Methods of! Is most severe in warm, dry soils & Distribution the potato is a follow from! Disease it is a handy way to collect important slides you want to go back to later cruciferous... Crop yield ( Click on photo to enlarge ) General potato disease Pest. Article about potato diseases and defects that most often result in production problems S. endobioticum temperate region and crop... Scabies can survive in the absence of potato in Peru Bolivian region in mountains. Been present in the soil for many years in the main potato growing lake Tritica basin Peru! Plant Management Network International quarantine requirement, potatoes should derive from a stock free of S. endobioticum present! Idm MODEL of red ROT of SUGERCANE by Md Pest Management ( production and. Appearance and the branches gradually turn bronzy and die between 4 and 29 °C ( 40 and 80 °F.. Control Methods, also called potato blight, disease Management is especially challenging,... And Management of early blight of potato and tomato plants that is caused by zoospores in... Not caught early enough, the entire plant should be removed disease symptoms: pathogen infects young developing tubers lenticels! S. endobioticum of darker brown or reddened skin through wounds to high storage temperature and low levels... Disease forms several types of cork-like lesions including surface stain red or pink and gram positive bacteria stain.!