Dr.Praveen Boddana


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Code(Credit) : ASPP1101(2-1-0)

Course Objectives

.To highlight the knowledge of plant pathogens and their interactions with plants-pests/pathogens leading to diseases .
.Students learn practically about the identification of major plant pathogens such as bacteria, fungi, nematodes, viruses, viroid’s and other microbes that cause huge economic loss to the farmers.

Learning Outcomes

.The students get to understand about the early development & role of different micro-organisms in development of plant disease.
.The students will be updated with general concepts and classification of plant diseases.
.The students gain knowledge on general characteristics of fungi,bacteria,virus and mycoplasma like organisms causing plant diseases.
.They will be acquainted with reproduction in fungi and fungal like organisms causing plant diseases.

Course Syllabus

1.Introduction:Importance of plant diseases, scope and objectives of Plant Pathology. History of Plant Pathology with special reference to Indian work.Terms and concepts in Plant Pathology.Pathogenesis.Cause and classification of plant diseases. Important plant pathogenic organisms, different groups: fungi, bacteria, fastidious vesicular bacteria, phytoplasmas, spiroplasmas, viruses, viroids, algae, protozoa, phanerogamic parasites and nematodes with examples of diseases caused by them. Diseases and symptoms due to abiotic causes.

2.Fungi: general characters, definition of fungus, somatic structures, types of fungal thalli, fungal tissues, modifications of thallus, reproduction (asexual and sexual). Nomenclature, Binomial system of nomenclature, rules of nomenclature, classification of fungi Key to divisions,sub-divisions, orders and classes.

3.Bacteria and mollicutes: general morphological characters. Basic methods of classification and reproduction.

4.Viruses:nature, architecture, multiplication and transmission.

5.Study of phanerogamic plant parasites.

6.Nematodes: General morphology and reproduction, classification, symptoms and nature of damage caused by plant nematodes (Heterodera, Meloidogyne, Anguina etc.)

7.Principles and methods of plant disease management: Nature, chemical combination, classification, mode of action and formulations of fungicides and antibiotics.

1.Acquaintance with various laboratory equipments and microscopy.
2.Preparation of media & Koch’s postulates.
3.General study of different structures of fungi.
4.Study of symptoms of various plant diseases.
5.Study of representative fungal genera.
6.Staining and identification of plant pathogenic bacteria.
7.Extraction of nematodes from soil.
8.Study of fungicides and their formulations &Calculation of fungicide sprays concentrations

Session Plan

Session 1

Importance of plant diseases, scope and objectives of Plant Pathology.
Introduction to Plant pathology  Plant pathology introduction

Session 2

History of Plant Pathology with special reference to Indian work
History of Plant Pathology

Session 4

Pathogenesis.Cause and classification of plant diseases.

Practice 2

Study of various symptoms of plant diseases

Plant disease symptoms

Session 5

Diseases and symptoms due to abiotic causes
BioIIB_biotic stress

Session 6

General characters, definition of fungus, somatic structures, types of fungal thalli
Fungi general characters

Practice 3

Study of different structures of fungi

Structures of Fungi

Session 7

Fungal tissues, modifications of thallus.

Session 8

Reproduction (asexual and sexual)

Session 9

Nomenclature, Binomial system of nomenclature, rules of nomenclature.
Fungi classification & nomenclature

Session 10

Classification of fungi-Fungi classification Key to divisions,sub-divisions,orders,classes.

Practice 4

Study of representative fungal genera

Fungal genera

Session 11

Bacteria & Mollicutes: general morphological characters.

Bacteria & Mollicutes


Practice 5

Preparation of media & Koch’s postulates

Media preparation

Koch postulates

Session 12

Basic methods of classification .
Bacteria classification

Session 16

Viruses:nature, architecture, multiplication and transmission.
Virus general morphology

Session 17

General morphology of Plant nematodes
Nematodes general morphology

Session 18

Nematodes:classification, reproduction,symptoms and nature of damage.
Classification,general characters

Session 19

Study of phanerogamic plant parasites

Session 20

Mode of action of fungicides and antibiotics,Formulations of fungicides and antibiotics
Disease management

Practice 8

Study of Fungicides,formulations and calculation of spray concentrations



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I am an experienced Bio-Medical Science Professional with 15 years of experience and strong academic background, having completed Masters and Doctorate in Biotechnology. Currently working as Associate Professor & Head Department of Plant Pathology,Centurion University Parlakhemundi,Odisha India (July 2016 – till date). My areas of interests include Microbiology, Immunology and Industrial Biotechnology. Major technical skills: […]