germination or the germination rate is unknown (note: use of seed of unknown or low germination is strongly discouraged). * When precision of seeding rate‚ fertilizer application and/or herbicide application cannot be assured. * Where Phytophthora is a historical problem‚ in which case a Phytophthoratoleran soybean cultivar should be planted that has been treated with either metalaxyl- or mefanoxam. * Numerous environmental hazards and disadvantages attached to the usage of chemical treatment
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Pichia-produced chitinase It showed properties that are similar to the original chitinase E purified from the yam tuber‚ as reported by Arakane et al. (2000). This Pichia-produced chitinase showed also strong lytic activity against Fusarium oxysporum and Phytophthora nicotianae‚ wide pH and thermal stability‚ optimum activity at higher temperature such as 70oC‚ and high substrate affinity‚ thus indicating that we one can use this Pichia-produced yam chitinase as a bio-control agent. Key words: yam (Dioscorea
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Microorganisms and Fungi Bacteria and Viruses Viruses Vocabulary virus: A nonliving‚ infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell. pathogen: A virus‚ microorganism‚ or other substance that causes disease; an infectious agent. capsid: A protein sheath that surrounds the nucleic acid core in a virus. envelope: A membrane-like layer that covers the capsids of some viruses. glycoprotein: A protein to which carbohydrate
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ship” and survive the gnawing hunger in my stomach. We migrated here because of the historic potato famine that left many Irish farmers dead or impoverished. There were many contributing factors as to how the famine started‚ but a major one was Phytophthora infesting‚ an ommisite that wiped out many farmers’ crops. I was escaping my homeland away from the oppression of Britain 33337599695000and certain death from starvation. I had no idea how I was to be a domestic servant but my cousin’s wife‚ Helene
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these factors that I feel are extremely significant to this development are the Irish Potato Famine and the discovery of gold in California. The Irish Potato Famine began in Ireland in September 1845. The famine was caused by an airborne fungus‚ phytophthora infetans‚ which attacks the leaves of the plant‚ turning them black‚ causing them to curl and rot‚ ultimately killing the plant. The rotting plant makes the perfect environment for the fungus to multiply. The wind then carries the fungus spores
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Comparative functional identification and analysis of Carica papaya promoter in the model system Arabidopsis thaliana revealed post-transcriptional regulation of gene expression INTRODUCTION a a CaMV35S Poly-A hptII b 5’ 3’ RB eGFP Promoter Construct b 1975 66 759 42 759 Cp29-eGFP 1796 36 759 75 759 759 Primer 3’ 5’ Transcribed mRNA chain 36 39 42 45 Cp45 WT 27 kDa 7 DAP 600bp 14 DAP 14
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List down 3 fungal disease which are available in Malaysia Num | Pathogen | Host plant | Identifications | Controls | 1 | Black Pod‚Phytophthora palmivora | Cocoa plant | Early symptoms: * Formation of watery spots on the fruit surface.Symptoms: * Spots grow and change color to brown and turn dark brown in color that covers the entire surface of the fruit. * Infection on the immature fruit caused overall seed rot * In wet weather‚ the formation of a spots of white sporangia can be seen
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If climate change in Ireland results in a significant reduction in water availability‚ then the forest system will naturally change species composition. The spread of pathogens such as Chalara fraxinea ash dieback disease and Phytophthora species is being attributed to climate change. The changing climatic conditions are making previously unfavourable ecological conditions more assessable to alien species and pathogens. Another driver of climate change and loss of biodiversity is
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ICFR Bulletin 04/2005 A site evaluation for site: species matching in the summer rainfall regions of southern Africa Colin W Smith1‚ Robin A W Gardner1‚ Robert N Pallett2‚ Tammy Swain1‚ Marius du Plessis3 and Richard P Kunz1 1 Institute for Commercial Forestry Research (ICFR) P O Box 100281 Scottsville‚ 3209 Pietermaritzburg‚ South Africa Telephone : +27 33 386 2314 Fax : + 27 33 386 8905 www.icfrnet.unp.ac.za 2 Sappi Forests Research P O Box 473 Howick‚ 3290 South Africa
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Study Guide 4 CH. 21 Genomics – the study of whole sets of genes and their interactions. Bioinformatics – is the application of computational methods to the storage and analysis of biological data Linkage Map – maps the location of several thousand genetic markers on each chromosome Physical Map – Expresses the distance between genetic markers‚ usually as the number of base pairs along the DNA Metagenomics – DNA from a group of species (a metagenome) is collected from an environmental
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