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Why paddy turns red: blast and neck-blast disease — causes and control
Original: వరి మొత్తం ఎరువుగా మారుతుందా ౹ అగ్గి తెగ్గులు /మెడ విరుపు తెగులు రావడానికి కారణాలు నివారణ పద్ధతులు
Takeaway
Avoid excess nitrogen and spray Tricyclazole 75% WP at 120 g/acre to control paddy blast and neck-blast disease.
Summary
- Paddy blast (aggi tegulu) is a fungal disease attacking leaves, nodes and panicle (neck) from nursery through grain-filling.
- Symptoms: spindle-shaped lesions on leaves merging to scorch-look; brown-to-black node lesions cause node rot and lodging; black neck lesions cause panicle break (medavirupudu) and chaffy grain.
- Favoured by excess nitrogen fertiliser, night temp below 20C, day temp 20-30C, humidity above 90% and cloudy/drizzly weather.
- Control sprays: Tricyclazole 75% WP at 0.6 g/L (120 g/acre), or Isoprothiolane 1.5 ml/L, or Kasugamycin 2.5 ml/L.
paddyblast-diseasefungicide
Original description
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