PEST MANAGEMENT Flashcards
ENTITY living or non-living that cause damage to crops
Pests
Types of pests
Plant pathogens Insect Pests Weeds Mollusks Vertebrate Pests
eukaryoted that can be parasitic or saprophytic;
Fungi
thread-like structure that fungi produces which they are dispersed
mycelia
unicellular organisms that reproduce through binary fission
Bacteria
living or non-living entities; composed of nucleic acids surrounded by a protein coat; becomes active invading a host cell
Viruses
thread-like worms that are soil-bourne and capable of penetrating the plant epidermis
Nematodes
evidences of the presence of a disease; used to see if a plant is suffering
symptoms
ex. necrosis, chlorosis, rotting
proof of the presence of a pathogen on the infected plants; further confirm presence of a paricular disease in a plant
Signs
Arthropods that belong to the class of Insecta
Insect Pests
chewing parts of insects that feed directly on plants
mandibles
mouthparts for sucking that suck the plant sap
proboscis or stylet
beetles and weevils
Coleoptera
Orthoptera
Grasshoppers, locusts, crickets
Lepidoptera
Butterfly, moths
fruit flies, whorl maggots
Diptera
Hemiptera
bugs,aphids, cicadas, planthoppers,leafhoppers
Thysanoptera
Thrips
Weeds
unwanted plants
grasses belong to what family
grass family
sedges(3 sided weeds) belong to what family
Cyperaceae
wide leaves that belong to other families.of plants
broadleaves
habitats of weeds
wetland
dryland
weeds that may cause strangulation to crops
viny weeds
plant that has a allelopathic effect on other plants
cogon
snails that are prevalent in wetland ricefields that feed directly on the rice plant
Mollusks
golden apple snails
kuhol
Pests that include higher forms of animals may feed directly or indirectly on plants
Vertabrate pests
THE CROP (pest incidence factors)
Nutritional Status
Inherent Resistance of crops to pests
THE ENVIRONMENT (PIF)
Climate
Ecology
Pest Incidence in the area
Pests that prevail during the dry season
aphids and thrips
Pests that prevail during the wet season
fungi and bacteria