Agritech Archive
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Agritech Archive

Production · Protection · Nutrients · Water
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STEM GIRDLER Sthenias grisator

Symptoms of damage
Wilting of branches and then the entire vine
Symptoms of damage
Defoliation.
Symptoms of damage
Presence of silvery white scorchy patches on the leaves. Veins without fruits Premature fruit drop
Symptoms of damage
Premature dropping of fruit.
  • Wilting of branches and then the entire vine.
  • Wilting of branches and then the entire vine
  • Grub - Head is dark brown colour, pair of strong mandibles.
  • Adult – Medium sized, grey coloured with a white spot in the center of each elytra.
Management
Collect and destroy damaged leaves, fruits and flowers Insecticides: methyl demeton 25 EC 0.05% or dimethoate 30 EC 0.06%

Remove loose bark at the time of pruning to prevent egg laying

  • Remove loose bark at the time of pruning to prevent egg laying
  • Collect and destroy damaged plant parts
  • Swab trunk with carbaryl 50 WP 2g/ lit
  • Spray application of anf following insecticides phosalone 35 EC 0.07% quinalphos 25 EC 0.05% carbaryl 50 WP 0.1%, first round immediately after pruning and repeat it 2-3 times

Collect and destroy damaged plant parts

Swab trunk with carbaryl 50 WP 2g/ lit

Spray application of anf following insecticides

Spray application of anf following insecticides phosalone 35 EC 0.07% quinalphos 25 EC 0.05% carbaryl 50 WP 0.1%, first round immediately after pruning and repeat it 2-3 times

Insecticides

  • phosalone 35 EC 0.07%
  • quinalphos 25 EC 0.05%
  • carbaryl 50 WP 0.1%, first round immediately after pruning and repeat it 2-3 times

Grape vein beetle , Sinoxylon anale

Adult - dark-brown colour with 3 bladed antennae

  • Adult - dark-brown colour with 3 bladed antennae
  • pair of spines on the posterior end of the elytra .
  • Grub - fleshly, thick yellowish and white with curved body.

pair of spines on the posterior end of the elytra .

Grub - fleshly, thick yellowish and white with curved body.

Top

LEAF FEEDERS Flea beetle , Scelodonta strigicollis

  • Caused two type of damages
  • Larvae and adults feed on the upper and lower leaf surfaces – leaf injury
  • Adult feed on swollen grape buds
  • Chew holes in the sides of the newly developing grape buds
  • Small holes on tender leaves by adult
  • Root damage by grub
  • Adult - Reddish brown, shiny with six spots on elytra
  • Grub – brown in colour and black colour head

Remove the loose bark at the time of pruning to prevent egg laying

  • Remove the loose bark at the time of pruning to prevent egg laying
  • Shake vines to dislodge adult beetles
  • Collect into trays containing kerosenated water and destroy them
  • Insecticide: phosalone 35 EC 0.07% after pruning

Shake vines to dislodge adult beetles

Collect into trays containing kerosenated water and destroy them

Insecticide: phosalone 35 EC 0.07% after pruning

Leaf roller , Sylepta lunalis

  • Caterpillar - rolling of leaves.
  • Scrabbing the chlorophyll content inside the leaf roll
  • Skeletonization of leaves
  • Larva - Pale green with short hairs.
  • Adult - Brownish moth with wavy line.

Sphingid , Hippotion celerio

  • Defoliation.
  • Larva - Stout and green with an anal horn.
  • Adult - Robust, red and brown coloured moth.

SAP FEEDERS Thrips

  • Presence of silvery white scorchy patches on the leaves.
  • Veins without fruits
  • Premature fruit drop
  • Nymphs - yellowish brown colour and red colour abdomen
  • Adult - black brownish abdomen and yellowish wings

Collect and destroy damaged leaves, fruits and flowers

  • Collect and destroy damaged leaves, fruits and flowers
  • Insecticides: methyl demeton 25 EC 0.05% or dimethoate 30 EC 0.06%

Insecticides: methyl demeton 25 EC 0.05% or dimethoate 30 EC 0.06%

Premature dropping of fruit.

  • Premature dropping of fruit.
  • Nymph - Yellowish to pale white.
  • Adult - long, slender covered with white waxy secretions

Debark vines and branches and apply methyl parathion paste

  • Debark vines and branches and apply methyl parathion paste
  • Collect damaged bark, leaves, twigs and stems
  • Use sticky traps on fruit – bearing shoots at a length of 5 cm
  • Use dichlorvos 76 WSC 0.15% in combination with fish oil rosin soap (25g//)
  • Soil application of aldicarb 10 G/ vine around the base at time of pruning
  • Insecticides dimethoate 30 EC plus kerosene oil at 150 ml plus 250 ml in 100 ml of water Apply quinalphos or methyl parathion dust in the soil at 25 kg/ ha to kill ants Release exotic predator, Cryptolaemus montrouzieri @ 10 beetles/vine Field release of parasitoids - Anagrus dactylopii, Gyanusoidea mirzai

Collect damaged bark, leaves, twigs and stems

Use sticky traps on fruit – bearing shoots at a length of 5 cm

Use dichlorvos 76 WSC 0.15% in combination with fish oil rosin soap (25g//)

Soil application of aldicarb 10 G/ vine around the base at time of pruning

Insecticides dimethoate 30 EC plus kerosene oil at 150 ml plus 250 ml in 100 ml of water Apply quinalphos or methyl parathion dust in the soil at 25 kg/ ha to kill ants Release exotic predator, Cryptolaemus montrouzieri @ 10 beetles/vine Field release of parasitoids - Anagrus dactylopii, Gyanusoidea mirzai

  • dimethoate 30 EC plus kerosene oil at 150 ml plus 250 ml in 100 ml of water
  • Apply quinalphos or methyl parathion dust in the soil at 25 kg/ ha to kill ants
  • Release exotic predator, Cryptolaemus montrouzieri @ 10 beetles/vine
  • Field release of parasitoids - Anagrus dactylopii, Gyanusoidea mirzai

Mealy bug, Maconellicoccus hirsutus

Nymphs and adults suck the sap from leaves, shoots and fruits

  • Nymphs and adults suck the sap from leaves, shoots and fruits
  • Honey dew – development of sooty mould on leaves, shoots and branches
  • Crinkling and yellowing of leaves
  • Rotting of berries

Honey dew – development of sooty mould on leaves, shoots and branches

Crinkling and yellowing of leaves

Rotting of berries

  • Nymph - pinkish in colour.
  • Adult – pink colour and covered with white wax

Apply quinalphos or methyl parathion dust in the soil @ 20 kg/ha to kill the ants.

  • Apply quinalphos or methyl parathion dust in the soil @ 20 kg/ha to kill the ants.
  • Spray methyl demeton 25 EC or monocrotophos 36 WSC at the rate of 2 ml/lit of water
  • Spray dichlorvos 76 WSC at the rate of 1 ml/lit with fish oil rosin soap at 25 g/lit.
  • Release Coccinellid beetle, Cryptolaemus montrouzieri at the rate of 10 per vine.

Spray methyl demeton 25 EC or monocrotophos 36 WSC at the rate of 2 ml/lit of water

Spray dichlorvos 76 WSC at the rate of 1 ml/lit with fish oil rosin soap at 25 g/lit.

Release Coccinellid beetle, Cryptolaemus montrouzieri at the rate of 10 per vine.

Berry plume moth , Oxyptilus regulus

Early instar larvae web the flower buds

  • Early instar larvae web the flower buds
  • Matured larvae attack bunch of fruit
  • Caterpillar bore into green berry fruit and tunneling
  • Feeds on internal content
  • Affected berries – known as “stung berries”

Matured larvae attack bunch of fruit

Caterpillar bore into green berry fruit and tunneling

Feeds on internal content

Affected berries – known as “stung berries”

  • Larva - Small, pale green or pink with median red line.
  • Adult - Small moth.

Collect and destroy the infested leaves and buried with soil

  • Collect and destroy the infested leaves and buried with soil
  • Summer ploughing – kill the pupae
  • Use pheromone trap to attract male and kill the adult
  • Spot application of bubrofezin and acetemprid for effective manage this pest

Summer ploughing – kill the pupae

Use pheromone trap to attract male and kill the adult

Spot application of bubrofezin and acetemprid for effective manage this pest

SkeletonizationScrabbing of leaves
Larva attack grape bunchAffected berries (stung berries)