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CHILLIES :: MAJOR PEST :: MURANAI MITE/ BROAD MITE/ YELLOW MITE

 


2. Muranai mite/ Broad mite/ yellow mite: Polyphagotarsonemus latus  (Tarsonemidae: Acarina)
Damage symptoms
         Sudden curling and crinkling of leaves followed by blister patches are initial symptoms of severely attacked plants. Petiole in a few cases becomes elongated and  it is referred to “rat tail” symptom. Later they stop growing and die.


 

 

Bionomics
The eggs are minute and oval in shape and are laid on the ventral surface of young leaves or on leaf buds. Larva has 3 pairs of legs move sluggishly. The adults measure 0.1 mm in length and bear 4 pairs of the legs. They are yellowish green in colour and translucent in nature. The egg, larval nymphal and adult period occupies 1.5 – 2, 1.5, 1 and 8-10 days, respectively.
Management

  •  Spray any of the following insecticides with 500 -750 L water/ha
  •  Buprofezin 25 SC 300-600 ml
  • Fenpyroximate 5 EC 300-600 ml  
  • Chlorfenapyr 10 SC 750-1000 ml
  • Hexythiazox 5.45 300-500 ml
  • Diafenthiuron 50 WP 600 g
  • Lambda cyhalothrin 5 EC 300 ml
  • Ethion 50 EC 1.5-2.0 L
  • Milbemectin 1 EC 325ml
  • Fenazaquin 10 EC 1.25 L
  • Propargite 57 EC 1.5 L
  • Fenpropathrin 30 EC 250-340 ml
  • Spiromesifen 22.9 SC 400 g
  • Dicofol 18.5 EC @ 2 L
  • Phosalone 35 EC 1.5 L
  • Wettable  sulphur 50 WP @ 4 kg

 

  •  Encourage the activity of predatory mite: Amblyseius ovalis