Please enable JavaScript.
Coggle requires JavaScript to display documents.
Vegetable Pest (Dysdercus cingulatus (Common name: Red cotton bug, Family:…
Vegetable Pest
Dysdercus cingulatus
-
-
-
Symptom: stunted growth, hole on fruit
Damage: Adult and nymph suck sap of the plant & significantly lowers the quality of the fruits produced
Chemical control: sevin & gamma BHP (spray herbicide, 0.1% a.i)
Bemisia argentifolii
-
-
-
-
Damage
Indirect feeding damage:
Deposition of honeydew on leaves (shiny, sticky sheen) & provides ideal substrate for sooty mold growth (Cladosporium)
-
-
Aphid sp.
-
-
-
Damage: Sucks plant juices, important vectors of some plant virus, transmit turnip mosaic virus (stunted growth)
Symptoms: yellowing & curling of leaves, wilting & stunting of growth of plants
Control: Seed treatment(Agricote Brassica), aphid tolerant cultivars, systemic inscticides (Dimethoate & malathion)
Aulacophora indica
-
-
-
Damage: Adults chews large holes on leaves, damage allow entry of fungi
-
Control: Collection adults by nets @ hand, kills in kerosinised H2O, sprinkling on leaves, deep ploughing, chemical insecticides (endosulfan 0.1% a.i)
Plutella xylostella
-
-
-
-
Control: Bt, Parasitoid (Cotesia plutellae), pesticides (profenofos), sprinkle irrigation
-
Epilachna indica
-
-
-
Damage: Larvae & adult scraping & eating upper epidermis of leaves forming visible network vein, transparent
Control: Insecticides (profenofos, deltamethrin)
Phyllotreta sp.
-
-
-
Control: crop rotation, soil treatment(prothiohos), spray (carbaryl, profenofos)
Damage: adults causes holes on leaves, larvae feed roots & bore seedling
Leucinodes Orbonalis
-
-
-
Symptom: young shoot wilt, holes inside
Control: Remove affected fruits & shoots, pesticides (profenofos, deltamethrin)
Bactrocera cucurbitae
-
-
-
Damage: larvae feed inside cause brown patches, stings by female cause black spots
Control: wrap the vege, pheromone trap (ME), destroy infested, pesticides (profenofos,deltamethrin)
-
-
-
-
-
-
-
-
-
