Practical guide to detection and identification of Phytophthora Leaf blight A number of Phytophthora species cause leaf blight. These include: P. infestans on potato and tomato; P. palmivora on a large number of tropical fruit species including rubber‚ durian and macadamia; and P. colocasiae on taro. These blights on leaves are first seen as small flecks but within 3-5 days they expand to produce large lesions. Initially‚ infected tissue is water soaked but becomes necrotic (brown or black) in
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CHAPTER ONE 1. ORGANISATIONAL BACKGROUND The Plant Protection and Regulatory Services Directorate (PPRSD) was established in 1965 by an Act of Parliament: Prevention and Control of Pests and Diseases of Plants Act‚ 307 now replaced by “Plants and Fertilizer Act‚ 2010 (Act 803). The PPRSD is the National Institution with the mandate and capacity to organize‚ regulate‚ implement and coordinate the plant protection services needed for the country in support of sustainable growth and development
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References: Barker‚ K.R.‚ G.A. Pederson and G.L. Windham. 1998. Plant and Nematode Interactions. ASA‚ CSSA‚ SSA Publishers‚ Madison‚ WI. France‚ R.A. and G.S. Abawi. 1993. Interaction between Meloidogyne incognita and Fusarium oxysporum f. sp. phaseoli on selected bean genotypes. Journal of Nematology 26:467-474. Jepson‚ S.B. 1987. Identification of Root-Knot Nematodes (Meloidogyne Species). CAB International‚ Wallingford‚ UK. Karssen‚ G. 2002. The Plant-Parasitic Nematode
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Most of the time these act as secondary hosts for pests. Identification and categorization of disease causing agents Fungi Most of the disease causing fungi belongs to classes Ascomycetes and Basidiomycetes. Fungal types such as Fusarium and Verticellium comes under Ascomycetes and Rhizoktonia and Puccinia comes under Basidiomycetes. In addition there are fungal types which belongs to Oomycetes. Phytopthora and Phythium fall under this category which cause severe infection to the
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Analysis & Discussion The primary objective of this investigation was to test ultraviolet radiation as an alternative disinfectant for Acanthamoeba in its more resistant cyst form. A previous study had already shown that multipurpose solutions were ineffective compared to hydrogen peroxide based systems at eliminating Acanthamoeba trophozoite contaminations.5 This was a follow-up to that study. Another goal of this study was to test the effectiveness of hydrogen peroxide in eliminating
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CHAPTER I INTRODUCTION 1.1 Background Food is one of human sources of calorie‚ protein‚ fats‚ and nutrition. Yet‚ because of the highly nutritious content‚ food is susceptible to growth of microorganisms. By the presence of microorganisms in food‚ the food is more likely to have shorter shelf life. Thus‚ mostly it is resolved by the addition of antimicrobial substances to food‚ such as condiments and preservatives. Condiments and preservatives could inhibit the growth of microorganisms
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MICROBES AND FOOD – A ‘RELATIONSHIP’ Microbes and food have always had a love-hate relationship. Food producers have learned to harness their power -- and sometimes for good use. There is no doubt that organically grown fruits and vegetables are superior in flavor. Now‚ despite arguments to the contrary made by food manufacturers‚ they may well be more nutritious for a variety of reasons. There are always studies available to prove any point‚ especially one
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KAIZEN SCHOOL OF BUSINESS MANAGEMENT MARKS: 80 COURSE:MBA SUBJECT: General Management N.B: 1} Attempt all the questions Name: Manoj Kumar Gupta Reference No: KP00510-20444 ____________________________________________________________ _________________ Case -1 The “FedEx” of Junk Removal Eighteen thousand expired cans of sardines. Fifty garden gnomes. A mechanical bull. An antique silver set (worth a lot of money). That’s just some of the weird stuff that 1-800-Got-Junk? customers have asked
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Making Lagundi Syrup out of Lagundi Leaves for Cough An Investigatory Project Submitted by: Leader Sherilyn Angeles Members Zhanely Chan Caileen Lu Vaughn Dy Jason Weng Submitted to: Mrs. Obiasca Statement of the Problem The study was conducted to answer the following questions: 1. How does cough affect your daily activities in life? 2. Can we produce our own carbocisteine (herbal medicine which cures cough) out of lagundi leaves? 3. Is it safe drinking the lagundi syrup made out of lagundi
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Chancroid at a Glance A sexually transmitted disease (STD) Common symptoms include sores on the genitals Treatment is available Easily spread Condoms reduce your risk of infection Want to get tested for chancroid? FIND A HEALTH CENTER STDs are very common. But we can protect ourselves and each other from STDs like chancroid. Learning more about chancroid is an important first step. Here are some of the most common questions we hear people ask about chancroid. We hope you find the answers
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