Rice leaf folder Cnaphalocrocis medinalis | Trichogramma | Biological control

Описание: Rice leaf folder Cnaphalocrocis medinalis | Insect pests |Trichogramma | Biological control | Rice


#insects
#insectpests
#india
#agriculture
#farming
#rice
#pestcontrol
#insect
#organic
#organicfarming


Description:
Rice leaf folder or roller: Cnaphalocrocis medinalis

Symptom of damage: 🌾

Larva folds the leaves longitudinally and larva remains inside. Larva scrapes the green tissues of the leaves, which later becomes white and dry. During severe infestation the whole field exhibits scorched appearance.

Identification of insect pest:

Egg: Flat, oval in shape and yellowish white in colour.
Larva: Greenish translucent
Adult: Moth is yellowish brown with many dark wavy lines in the centre and dark band on the margin of wings.

Management:
ETL: 10% leaf damage at vegetative phase and 5% of flag leaf damage at flowering

🐝 Release Trichogramma chilonis @2 cc (40,000/ac) thrice at 37, 44 and 51 days

🐝 Avoid excessive nitrogenous fertilizers
Keep the bunds clean

🐝 Spray NSKE 5 % or Azadirachtin 0.03% 400 ml/ac
🐝 Spray any one of the following insecticides

🐝Phosalone 35 EC 600 ml/ac
Chlorpyriphos 20 EC 500 ml/ac
Acephate 75 % SP 267-400 ml/ac
Carbosulfan 6% G 6.7 kg/ac
CartapHydrochloride 50 % SP 400 g/ac
Chlorantraniliprole 18.5% SC 60 g/ac
Chlorantraniliprole 0.4% G 4 kg/ac
Fipronil 80%WG 20-25 g/ac
Flubendiamide 39.35% M/M SC 20 g/ac
Flubendiamide 20% WG 50-100 g/ac
Thiamethoxam 25% WG 40 g/ac

Thanks for watching 🙏