Top
Pests of Turmeric and Ginger – Kisan Suvidha
6703
post-template-default,single,single-post,postid-6703,single-format-standard,theme-wellspring,mkdf-bmi-calculator-1.0,mkd-core-1.0,woocommerce-no-js,wellspring-ver-1.2.1,mkdf-smooth-scroll,mkdf-smooth-page-transitions,mkdf-ajax,mkdf-blog-installed,mkdf-header-standard,mkdf-sticky-header-on-scroll-down-up,mkdf-default-mobile-header,mkdf-sticky-up-mobile-header,mkdf-dropdown-slide-from-bottom,mkdf-search-dropdown,wpb-js-composer js-comp-ver-4.12,vc_responsive

Pests of Turmeric and Ginger

pests of turmeric

Pests of Turmeric and Ginger

Major pests of Turmeric and Ginger:-

1.Shoot borer: Conogethes punctiferalis

ginger shoot borer

Symptoms of damage:

  • Yellowing and drying of leaves of infested pseudostems.
  • The presence of a bore-hole on the pseudostem through which frass is extruded and the withered and yellow central shoot

Identification of pest:

  • Egg: is pink, oval, flat and lays singly or in group on the tender part of the plant
  • Larva: is long, pale greenish with a pinkish was dorsally, head and pro-thoracic shield brown in colour and body covered with minute hairs arising on wards.
  • Pupa: Pupation takes place in loose silken coccon in larval tunnel.
  • Adult: is a medium-sized moth, the wings are pale yellowish with black spots on the wings.

Management:

  • Spraying malathion 0.1% at 30-day intervals during July to October is effective in controlling the pest infestation.
  • The spraying has to be initiated when the first symptom of pest attack is seen on the inner most leaves on the pseudostem.

 

2.Rhizome scale: Aspidiella hartii

 

rhizome scale

Symptoms of damage:

  • Field infestation
    • Plants look devitalized, pale and withered before drying completely.
    • In such cases at the time of harvest minute, yellowish crawlers can be seen moving in large numbers and this is the potential stage of dissemination.

Identification of pest:

Storage infestation

  • In the Initial stage of infestation in, the white coloured scales are seen scattered on rhizomes and latter they congregate near the growing buds.
  • When the infestation is severe the rhizome and buds shrivel and ultimately the entire rhizome dries.

Adult

  • Female: scales are circular (about 1mm diameter) and light brown to grey and appear as encrustations on the rhizomes.
  • Male is orange coloured with transparent wings, distinct head, thorax and abdomen

Management:

  • Discard and do not store severely infested rhizomes
  • Collect and destroy damaged leaves
  • Select healthy rhizomes free from scale infestation for seed materials
  • Treat seed material with quinalphos 0.075% (for 20-30 minutes) before storage and also before sowing in case the infestation persists.
  • Apply well rotten sheep manure @ 10 t/ ha in two splits or poultry  manure in 2 splits followed by drenching dimethoate 30 EC @ 2 ml or phosalone 35 EC @  2ml /lit of water

 

3.Leaf roller: Udaspes folus

ginger leaf roller

Symptoms of damage:

  • Leaves become folded or rolled longitudinally
  • Complete defoliation

Identification of pest:

  • Larva: is smooth green with black head

Adult

  • It is brownish black butterfly
  • Forewing: has white spots
  • Hind wing: has a large white patch

Management:

  • A spray with carbaryl (0.1%) or dimethoate (0.05%) may be undertaken when the severe infestation
  • Spray the following dissolved in 1 lit of water, Bavisitin 2g +Mancozeb 2g + Teefol 1 ml.

 

4.Thrips: Panchaetothrips indicus

ginger thrips

Symptoms of damage:

  • Leaves become rolled up
  • Turn pale and gradually dry-up

Identification of pest:

  • Adult is with fringed wings

Management:

  • Spray insecticides like quinalphos 0.025% or phosalone 0.07%

 

 

Source-

  • TamilNadu Agritech Portal

No Comments

Sorry, the comment form is closed at this time.

Show Buttons
Hide Buttons