Hybridoma Technology ( Production , Purification , and Application )
Lec. 4 pidm rkp
1. R.K. Panse
Asstt. Prof. (Entomology)
JNKVV-College of Agriculture, Balaghat
Lecture 4
Economic importance of insect pests
Subject: Principles of Integrated pest and Disease Management
2. Economic Importance
Serious impact on economic output of farm either directly orindirectly
Contaminate food grains
Losses caused by different pests in India
(Dhaliwal et.al,2015: Indian Journal of
Entomology,77(2) :165-168)
Due to spoilage by pests
15.7 % food grain loss
Rs. 2,37,600 crore loss
3. I. Destroyer of crops
chewing
boring
gall making
root eating
injury by egg laying
injury by nest making
injury due to mutualism
Aphids on cotton
Thrips on chilli
Economic Importance
4. Contd…..
II. Annoy and injure man and animals
monotonous sound
foul odour
pinch and chew skin
inject venoms
make home in and on body
disseminate diseases
destroyer of useful articles