DESCRIPTION OF COURSES

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PL PATH 607/ENT 611 PLANT HEALTH DIAGNOSTICS AND MANAGEMENT                             (2L+2P) II

Objective
To familiarize the students with different abnormalities caused by insect, pathogens, nematodes, weeds and imbalance use of plant nutrients. Also, develop the confidence in them to handle plant protection problems faced by the farmers/growers.

Theory

UNIT I
Introduction to the plant health clinic: concept, importance, infrastructure etc. Identification of important beneficial insects (parasitoids, predators, pollinators and others of economic importance). Principles of pest management.

UNIT II
Injury caused by different type of insects to the plants by feeding, oviposition, sheltering or any other means.

UNIT III
Screening of damaged material for establishing the identity of casual agent viz.; insect, microbe, nematode, mites, rodents, vertebrates, competitive plant as well as nutritional or any other physiological disorders.

UNIT IV
Important Plant parasitic nematodes and their symptoms produced on major field, fruit, ornamental and plantation crops.

UNIT V
Damage caused by important nematodes causing root knot, ear-cockle and other diseases in different crops and their management.

UNIT VI
Molecular approaches for viral, bacterial and fungal diseases with regards to diagnostics and management.

UNIT VII
Symptoms of diseases caused by imbalances in plant nutrients

UNIT VIII
Identification of problematic weeds and their management.

Practicals
Identification of symptoms caused by important insect pests. Preparation of pesticide stock solution and safe handling of agrochemicals. Disease diagnostic kit and related basic facilities. Identification of common diseases. Types of plant parasitic nematodes, demonstration of pathogenicity of root knot nematode on tomato and vegetables, Root knot index calculation. Symptoms of Molya disease and Ear-cockle disease of wheat. Management methods to manage nematode diseases in crop

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