Sunflower Crop Insects A Presentation To IPM
Course/FFS Participants By
Mr. Allah Dad Khan Provincial Coordinator IPM KPK For MINFAL Pakistan
Symptoms of damage: Leaf Feeding
The larva feeds on the developing seeds and bore the head
Fungal developed and head starts rotting
The larva consumes leaf in early stage of growth and move towards the capitulum and tunnel the head
1.Capitulum borer (Head borer): Helicoverpa armigera
Larva feeding in seed Caterpillar bore into head
1.Capitulum borer (Head borer): Helicoverpa armigera
Identification of the pest: Larva
Egg: Spherical in shape and creamy white in colour, laid singly
Larva: Shows colour variation from greenish to brown. It has dark brown grey lines 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. Forewings are olive green to pale brown with a dark brown circular spot in the centre. Hind wings are pale smoky white with a broad blackish outer margin
1.Capitulum borer (Head borer): Helicoverpa armigera
Pupa Adult
1.Capitulum borer (Head borer): Helicoverpa armigera
Symptoms of damage: Larval Feeding
Young larvae feed gregariously mostly on the under surface of the leaves
Caterpillars feed on leaves and in severe infestation the whole crop is defoliated
Drying up of infected leaves is the main symptom
2.Hairy caterpillar: Spilosoma obliqua
Identification of the pest:
Egg: Laid in cluster on the underside of leaves
Larva: Covered with long yellowish to black hairs
Adult: Medium sized brown moth with a red abdomen. Wings pinkish with numerous black spots
2.Hairy caterpillar: Spilosoma obliqua
Symptoms of damage: Larva feeding
The larvae feed on the tender leaves, shoots, bracts and petals
Later, the larvae spread in the field causing defoliation
The larvae also feeds on the developing seeds in capitulum
3.Tobacco caterpillar : Spodoptera litura
Identification of the pest: Adult
Egg: Egg masses appear golden brown
Larva: Pale greenish with dark markings, gregarious in the early stages
Adult: Forewings are brown colour with wavy white marking. Hind wings are white in colour with a brown patch along the margin
2.Hairy caterpillar: Spilosoma obliqua
Symptoms of damage:
The adult and nymphs suck the plant sap
The infected leaves show pale yellow colouration
In case of heavy infestation the leaves turn inwards
The leaf edges may turn light pinkish brown
4.Leaf hopper (jassids): Amrasca biguttula biguttula
Identification of the pest:
Nymphs: Pale greenish almost translucent and walk diagonally
Adults: Greenish yellow, wedge shaped with a pair of black spots on vertex and a black spot on each of the forewings
4.Leaf hopper (jassids): Amrasca biguttula biguttula
Symptoms of damage:
The birds damage starts from the milky stage and continues till harvest
These consumes on an average of 152 seeds/day
5.Parakeet: Psittacula krameri
Identification of the pest:
It is slim, green parakeet with the typical short, heavy, deeply hooked, red bill. Hollow space in a tree trunk is the nest of the bid
5.Parakeet: Psittacula krameri
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