cow peas insects a lecture by mr allah dad khan
TRANSCRIPT
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COW PEAS CROP INSECTS A PRESENTATION TO IPM COURSE/FFS PARTICIPANTS
BYMR. ALLAH DAD KHAN
PROVINCIAL COORDINATOR IPM KPK FOR MINFAL PAKISTAN
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CROP: COWPEASCIENTIFIC
NAME: VIGNA UNGUICULATAFAM
ILY: FABACEAE
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GRAM POD BORER: HELICOVERPA ARMIGERA
Symptoms of Damage Damage Shown
Defoliation in early stages
Larva’s head alone thrust inside the pods and the rest of the body hanging out.
Pods with round holes
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GRAM POD BORER: HELICOVERPA ARMIGERA
Identification of the pest
Eggs – are spherical in shape and creamy white in colour, laid singly
Larva - shows colour variation from greenish to brown. Green with dark brown grey lines laterally
on the body with lateral white lines and also has dark and pale bands.
Pupa – brown in colour, occurs in soil, leaf, pod and crop debris
Adult - light pale brownish yellow stout moth. Fore wing grey to pale brown with V shaped speck.Hind wings are pale smoky white with a broad blackish outer margin.
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SPOTTED POD BORER: MARUCA TESTULALISSYMPTOMS
Symptoms of Damage Damage Shown
Bore holes on the buds, flower or pods
Infested pods and flowers are webbed together.
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SPOTTED POD BORER: MARUCA TESTULALISSYMPTOMS
Identification of pest Damage Shown
Larva - Greenish white with brown head. It has two pairs of dark spots on the back of each segment
Adult - Forewings- light brown colour with white markings; Hindwings – white colour with brown markings at the lateral edge
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SPINY POD BORER: ETIELLA ZINCKENELLASYMPTOMS
Symptoms of Damage
Dropping of flowers and young pods
Older pods marked with a brown spot where a larvae has entered
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SPINY POD BORER: ETIELLA ZINCKENELLASYMPTOMS
Identification of the pest
Larval – greenish initially, turns pink before pupation.
It has 5 black spots on the prothorax
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BLUE BUTTERFLY: LAMPIDES BOETICUSSYMPTOMS
Symptoms of Damage
Buds, flowers and young pods with boreholes
Presence of slug like caterpillar.
Honey dew secretion with black ant movements
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BLUE BUTTERFLY: LAMPIDES BOETICUSSYMPTOMS
Identification of the pest
Larva – It is flat and slightly rounded; Pale green with a rough skin.
Adult - moth is greyish blue with prominent black spots in the hind wings and a long tail; Ventral side of wings with numerous stripes and brown spots
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GRASS BLUE BUTTERFLY: EUCHRYSOPS CNEJUSSYMPTOMS
Symptoms of Damage
Buds, flowers and young pods with boreholes and presence of slug like caterpillar.
Larval entry hole on the pod is plugged with excreta.
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GRASS BLUE BUTTERFLY: EUCHRYSOPS CNEJUSSYMPTOMS
Identification of the pest
Larva - pale green or yellow with a red line and short black hairs on the body.
Adult - butterfly is blue, medium sized with 5 black spots in the hind wings and two black spots in the inner margin.
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BEAN APHIDS: APHIS CRACCIVORA
Symptoms of Damage
Leaves, inflorescence stalk and young pods covered with dark coloured aphids
Honey dew secretion with black ant movements
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BEAN APHIDS: APHIS CRACCIVORA
Identification of the pest
Nymphs and Adult – dark coloured with cornicles in the abdomen
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LEAF HOPPER: EMPOASCA KERRI
Symptoms of Damage
Leave mottled and yellowish in colour
Green colour insects found under surface of leaves
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LEAF HOPPER: EMPOASCA KERRI
Identification of the pest
Adult – elongate, active, wedge shape, green insects
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POD BUGS: RIPTORTUS PEDESTRIS
Symptoms of Damage
Symptoms of damage
Pods with black spots
Shedding of green pods
Poorly filled pods with shriveled grains inside
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POD BUGS: RIPTORTUS PEDESTRIS
Identification of the pest
Identification of the pest
Riptortus pedestris
Brownish black and hemispherical
Nymphs – resemble dark brown ants
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LAB LAB BUG OR STINK BUG: COPTOSOMA CRIBRARIA
Symptoms of Damage
Cluster on the plant parts and suck the sap
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LAB LAB BUG OR STINK BUG: COPTOSOMA CRIBRARIA
Identification of the pest
Identification of the pest Nymphs and Adult - sub globular, oval and greenish shield bug.
It has a characteristic buggy odour
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WHITEFLY: BEMISIA TABACISYMPTOMS
Symptoms of Damage
Leave mottled and yellowish in colour
vector of yellow mosaic virus
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WHITEFLY: BEMISIA TABACISYMPTOMS
Identification of the pest
Adults -are small, yellow bodied insects with white wings which are densely covered with a waxy powder.
Nymphs and pupae -are black and round or oval. Pupae have marginal bristles
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BLISTER BEETLE: MYLABRIS PHALERATA
Symptoms of Damage
adult feeds voraciously on buds and flowers.
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BLISTER BEETLE: MYLABRIS PHALERATA
Identification of the pest
Eggs - are light yellowish in colour and cylindrical in shape.
Larvae - Young grubs are white in colour.
Adult – Elytra are black in colour with a round orange spot and two transverse wavy orange bands across the wings.
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