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Pests of Peach – Kisan Suvidha
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Pests of Peach

Pests of Peach

Major pests of Peach are:-

1.San jose scale: Qudraspidiotus perniciosus

san jose scale

Symptoms of damage:

  • San Jose scales cause injury by feeding on twigs, branches, and fruit; they may also inject salivary toxins while feeding.
  • Heavy populations on the bark can cause gumming and kill twigs, branches, and entire trees if left uncontrolled.
  • A characteristic, red halolike discoloration often forms around the insect on small twigs or infested fruit.
  • Fruit with haloes will be culled because of its unsightly appearance.

Identification of pest:

  • Female scale is yellowish orange, round, slightly convex and raised a little at the center with a black pustule
  • Males are small and more linear shape

Management:

  • Select nursery stock free from scale infestation
  • Spray application of systemic insecticides like phosalone 0.05% and methyl demeton 0.025%
  • Field release of coccinellid predators like Chilocorus nigritus and parasitoid, Encarsia perniosi

2.Green peach aphid: Myzus persicae

peach aphid

Symptoms of damage:

  • Nymph and adults suck the sap from leaves, new shoots, fruits and flower buds
  • Infested leaves become pitted and curled
  • Young fruits are shriveled and drop prematurely
  • Fruit setting affected in severe infestation
  • Its transmits plum pox virus

Identification of pest:

  • Adults are pale yellowish-green or pink with three dark lines on the back of an abdomen

Management:

  • Remove and destroy the damaged plant parts along with nymphs and adults
  • Encourage parasitoid, Aphelinus mali and predators, Coccinella septumpunctata and Bacillus eucharis
  • Spray dimethoate 0.03% or methyl demeton 0.025%

 

3.Peach borer: Sphenoptera lafertei

peach borer

Symptoms of damage:

  • Beetle feed on leaves
  • Young grubs bore into and feed on bark and make irregular galleries
  • Gum globules appear at the points of entrance on bark

Management:

  • Collect and destroy the damaged shoots and branches
  • Swab trunk with carbaryl 50 WP at 0.2%
  • Spray malathion 0.1% .
  • Field release of some natural enemies like gray field ant, Formica aerata, chalcid wasps, Copidosoma(=Paralitomastixvaricornis and Hyperteles lividus,
  • Spray application of Bacillus thuringiensis (Bt) products have been effective if applied when larvae are first noticed and before they tunnel into twigs, buds or fruit.
  • Spray application of following insecticides
Timing Product
pink (peach) Azinphos-methyl (Guthion or Sniper 50WP)
or phosmet (Imidan 50%WP)
petal-fall (peach and apricot) Thiodan, Guthion, Sniper, Imidan
petal-fall (peach only) Deltamethrin (Decis 5 EC)
husk-fall (apricot) Thiodan,Guthion, Sniper or Imidan
summer (apricot and peach) Thiodan,Guthion, Sniper, or Imidan

 

 

Source-

  • TamilNadu Agritech Portal

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