Fungi

Identification Of Ascomycetes: The Sac Fungi

There are two basic methods of the identification of Ascomycetes. By observing their unique structure. From complex test. By Observing Unique Structure (This type of identification doesn’t claim complicated test or comparative studies. Only the pure and ensured observance is required.) The primary morphological character that distinguishes the members of …

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Difference Between: Plant Pathology

This series includes the difference tables between Localized fungicide and Systematic fungicide Localized infection and Systematic infection Soil borne fungi and Seed borne fungi Eradication and Crop rotation Obligate parasite and Facultative parasite Plant quarantine and Crop rotation Nature culture medium and Synthetic culture medium Primary inoculum and Secondary inoculum …

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Sugarcane disease: Red Rot

Red rot of Sugarcane Red rot is one of the major diseases of sugarcane found in many areas of the world. It was first described in 1983. Pathogen Colletotrichum falcatum Symptoms The first symptom of red rot in the field is discoloration of the young leaves. The margins and tips …

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Disease of Wheat: Black Rust and Loose Smut

Black rust of wheat   Host Triticum aestivum Pathogen Puccinia graminis-tritici Symptoms Rust infection is observed in leaves, leaf sheaths, stems, floral structures in the form of rust pustules. Reddish brown pustules appear during the formation of urediniospore. Black pustules appear during the formation of teliospore. On maturity, the teliospore …

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Pathogenicity Test: Diagnosis of an Unknown Fungal Disease

For diagnosis of plant disease, it is essential to determine whether the disease is caused by a pathogen or an environmental factor i.e. abiotic factor. It is also important to know whether the disease is infectional or non-infectional. Diagnosis of a disease caused by either a virus, viroids, rickettsia or …

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Importance of Plant Disease in Agriculture

Plant diseases affect the existence, adequate growth and productivity of all kinds of plants. A diseased plant is a plant that cannot carry out all the physiological functions. So, the importance of plant diseases in the agriculture sector is very significant. In the developing countries, 50-80% of the population is …

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Classification of Plant Diseases

Based on causal agents Infectious or biotic plant diseases. Non infectious or abiotic plant diseases or physiological disorder. A. Infectious diseases A disease that is caused by pathogens which can spread from a diseased to a healthy plant. They are caused by animate factors. Viral disease: Witches broom. Bacterial disease: …

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Ascomycetes : An Introduction

INTRODUCTION Ascomycota is a phylum of fungi classification containing a compartmentalized mycelium, a dikaryotic life stage in the life cycle, plectenchymatous structures associated with spore production, conidia, and sometimes complex dispersal systems. The primitive morphological character that distinguishes members of Ascomycota from all other fungi is the Ascus (pl. asci, …

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Principles & Methods of Plant Disease Control

Plants are the vital element of Environment. Like men and animals, plants are  not free from disease. As they have diverse and significant  rules in our existence in this earth, scientists are concerned about them specialy at their danger. So, to keep plants free from pathogens or diseases the word …

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The Basic Concepts Of Plant Disease

According to Encyclopedia Britannica- Plant disease is an impairment of the normal state of a plant that interrupts or modifies its vital functions. The effects of a disease that can be observed is called the symptoms. A disease can be identified depending on the symptoms as different diseases show different symptoms. …

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