2 type of damage(1).pdf sub : principle of integrated pest and disease mangment

Principle of integrated pest mangment
In rice pest according to biting and chiwewing types and symptoms

1. A. Biting & chewing insects B. Piercing & sucking insects
C. Rasping & sucking insects
Based on damage symptomscaused by the insects due to feeding
Diagnostic methods employed in detection of pest damage -1

2. 1. Notchesalong the margins of the leaf
e.g. Ash weevils
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

3. 2. Shot holeson the leaves
e.g. Flea beetles
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

4. 3. Skeletinizedleaves
Contd….. Diagnostic methods employed in detection of pest damage -1
e.g. Bihar hairy caterpillars
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders
e.g. Tobacco caterpillars

5. 4. Defoliatedleaves
e.g. Army worm
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders
e.g. Semiloopers

6. e.g. Rice leaf folder
5. Foldedleaves
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

7. e.g. Cotton leaf roller
Contd….. Diagnostic methods employed in detection of pest damage -1
6. Rolledleaves
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

8. 7. Webbedleaves
e.g. Redgramleaf webber
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
e.g. Groundnut leaf miner
A. Biting & chewing insects –External feeders

9. e.g. Gram pod borer
8. Bored holeson pods
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

10. e.g. Root grubs
9. Wilted plants in patches
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

11. Contd….. Diagnostic methods employed in detection of pest damage -1
10. Mud gallerieson plants
e.g. Termites
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –External feeders

12. 1. Dead heart& white ear
Contd….. Diagnosticmethodsemployed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
e.g. Paddy yellow stem borer
A. Biting & chewing insects –Internal feeders

13. 2. Dead heart with series of pin holeson leaves
Contd….. Diagnostic methods employed in detection of pest damage -1
Based on damage symptomscaused by the insects due to feeding
e.g. Jowarstem borer
A. Biting & chewing insects –Internal feeders

14. Contd….. Diagnostic methods employed in detection of pest damage -1
3. Mineson the leaves
e.g. Groundnut leaf miner
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –Internal feeders

15. Contd….. Diagnostic methods employed in detection of pest damage -1
4. Gallson the plant
e.g. Paddy gall midge
Based on damage symptomscaused by the insects due to feeding
A. Biting & chewing insects –Internal feeders