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Chillies

Chilli Thrips

Symptoms of damage

The infested leaves develop crinkles and curl upwards
Elongated petiole
Buds become brittle and drop down
Early stage, infestation leads to stunted growth and flower production, fruit set are arrested

Identification of pest

Nymph: Are small, linear, easily fragile abdomen with straw yellow colour

Adult: Fringed wings

Management

Inter crop with agathi (Sesbania grandiflora) to provide shade which regulate the thrips population
Do not grow chilli after sorghum
Do not follow chilli and onion mixed crop
Sprinkle water over the seedlings to check the multiplication of thrips
Treat seeds with imidacloprid 70% WS @ 12 g/kg of seed
Apply carbofuran 3% G @ 33 kg/ha or phorate 10 % G @ 10 kg/ha or
Spray any one of the following insecticide

Green peach aphid

Symptoms of damage

The infested plants turn pale with sticky appearance
The leaves curled and crinkled
Honeydew excrete - development of sooty mould
Stunted growth of the plant

Identification of pest

Nymphs: Initially are greenish, but soon turn yellowish

Adults: yellowish green in colour

Management

Treat seeds with imidacloprid 70% WS @12 g/kg of seed
Apply phorate 10 % G @10 kg/ha
Spray any one of the following insecticide

Tobacco Cutworm

Symptoms of damage

Newly hatched larvae scrap the green matter in the leaf
Affected leaf looks like a papery white structure
Later instar larvae feed by making small holes
In severe infestations they feed voraciously on the entire lamina and petiole

Identification of pest

Egg: Eggs are golden yellow, laid in masses and covered by silky hairs.

Larva: Are seen in groups, young caterpillars are light green with black head or black spots

Adult: Are brown in colour. Forewings are brown colour with wavy white markings, hind wings are white colour with a brown patch along the margin.

Larva

Larva

Pupa

Adult

Symptom

Management

Plough the soil to expose and kill pupae
Castor as a trap crop
Set up pheromone trap @15/ha
Collect and destroy the egg masses, gregarious larvae and grown up caterpillars
Spray SINPV @ 1.5x1012 POB/ha in evening hour
Spray any one of the following insecticides

Gram caterpillar

Symptoms of damage

Early instar feeds on foliage
Grown up larvae mainly bore into the fruits.

Identification of pest

Eggs: Are spherical in shape and creamy white in colour, laid singly

Larva: Shows colour variation from greenish to brown

Pupa: Brown in colour, occurs in soil, leaf, pod and crop debris

Adult: Female is brownish yellow stout moth, Male is light greenish in colour with “V” shaped markings.

Management

Collect and destroy the infected fruits and grown up larvae
Setup pheromone trap with Helilure at 15/ha
Six releases of Trichogramma chilonis @50,000/ha per week coinciding with flowering time
Release Chrysoperla carnea at weekly interval at 50,000 eggs or grubs / ha from 30 DAS.
Spray HaNPV at 1.5x1012 POB/ha along with cotton seed oil 300 g/ha to kill larvae.
Spray carbaryl 50 WP 2 g/lit or B. thuringiensis 2 g/lit
Provide poison bait with carbaryl 1.25 kg, rice bran 12.5 kg, jaggery 1.25 kg and water 7.5 lit/ha or spray any one of the following insecticide
Provide poison bait with carbaryl 1.25 kg, rice bran 12.5 kg, jaggery 1.25 kg and water 7.5 lit/ha or spray any one of the following insecticide

Yellow mite

Symptoms of damage

Downward curling and crinkling of leaves
Leaves with elongated petiole
Stunted growth

Identification of pest

Egg: Oval shaped eggs and white in colour

Nymphs: white in colour

Adult: Large, oval and broad and yellowish in colour

Management

Encourage the activity of predatory mite: Amblyseius ovalis
Apply phorate 10 % G @10 kg/ha or spray any one of the following insecticide