Pest risk analysis and detection and diagnosis. ppt.pptx
- 1. • Topics :-Methods of diagnosis and detection of various insect pests and plant diseases. • pest risk analysis submitted to:- Mr. Mithlesh pandey A.P and H.O.D Agri.... Submitted by :- Dharmendra kr Bsc Agri.
- 2. Terms... Detection:- To determine the causal agents whether living or non living by observation, noticing and recognition. • special emphasis on symptomless individual Diagnosis:- To identify the disease nature of illness and damage or problem by examination of symptoms. • plant showing symptoms • Sign:- Evidence and visible structure of pathogens or itself. • symptoms:-host response to the pathogen
- 3. Steps in diagnosis of insect pests and disease damage. 1. define the problems. A.plant identification and characteristics. -identification of normal plant -describe abnormality sign and symptoms B. Examine the entire plant and its community. -determine primary problems -parts of plant where initial damage occurred.
- 5. 2. Looks for patterns A. Non uniform damage pattern -scattered damage on one or only a few plant spaces -indicates living forms like pathogens aur insect pest. B. uniform damage pattern -over a large area inform pattern on individual plant or parts -indicates the non living factors such as mechanical physical chemical Itarsi
- 7. 3. Delineate time development of damage pattern. A. progressive spread of the damage. B. damage occurs does not spread to other plants for parts
- 8. 4. determine cause of the plant damage A. distinguish among living factors -Symptoms and signs of pathogens -Symptoms and signs of insect pests mites and other animals. B. distinguish among nonliving factors like mechanical physical or chemical
- 9. Identify pest according to damage.. Chewing Insects Insects tear , chew or grind food Examples - grasshopper - Beetle - Cutworms - Caterpillars Damage by chewing insects includes tearing , chewing , or grinding all parts of the plant Piercing - Sucking Insects Punctures plant and sucks the sap usually from underside of the leaves or the stem Examples - Aphids - Mealy bugs - Mites Aut - Scale - whiteflies Damage causes yellow spotted leaves which result in stunted growth
- 10. Rasping - Sucking insects Rasps or breaks surface and sucks sap Example - thrips Damaged plant tissue becomes speckled and white. etc.
- 11. Pest Risk analysis IPPC:-INTERNATIONAL PLANT PROTECTION CONVENTION Aim:-to secure common and effective action to prevent the spread and introduction of pests and plants products and to promote appropriate measures for their control. ISPMS:-INTERNATIONAL STANDARDS FOR PHYTOSANITARY MEASRES (WTO) Aim:-provide guidance to the member countries in implementation National programme and fulfilling requirements of IPPC
- 12. Kinds of pest according to IPPC 1. QUARANTINE PEST 2. REGULATED NON QUARANTINE BASED PRA it is the the process of evaluating biological or other scientific and economic evidence to determine whether it should be regulated and the strengthen of a phytosanitary measures to be taken against it.
- 13. Activities.... -probability and the similarity impact of particular peste assessed. -the means of reducing these are evaluated and the result of these review are shared with those involved. -it helps to ensure that decision on the control of imports and exports are based on science related to the risk involved and have minimal impact on trade
- 14. Objectives • to protect the country's agriculture from that can be called by harmful paste which can be brought in along with important committees • tevaluate and manage risk from a specific pest and international trade commodities • to assist in identification of appropriate management options
- 15. PRA process Stage 1 - Initiation Stage 2-pest risk assessment step1-categorisation off pests(PRA) step2-assessment of the probability of introduction -entry.…. from where -establishment due to suitable conditions -spread
- 16. S2.... Step3-impacts .that impacts on productivity yield and losses. Step4-overall assessment of risk • extreme • high moderate and • very low Step5-uncertainty
- 17. Stage 3:-Pest risk management • level of risk • technical information • Acceptability of risk • identification and • selection of appropriate management option
- 18. Stage 4 - Documentation • pest list • Pathway • PRA area • endagered area • surce of information • conclusion of risk assessment • conclusion of risk management
- 20. THANK YOU