Symptoms:
– Long, elliptical grayish-brown spots appear on the leaves.
– Severe infection causes leaves to dry from the bottom upwards
Chemical & Dosage(per acre):
Propiconazole 25% EC @ 200 ml per acre or Mancozeb 75% WP @ 400 g per acre
Trade Name(Example):
Tilt or Nativo (Propiconazole), Indofil M-45 or Dhanuka M45 Fungicide (Mancozeb)
Mode of Application:
Spray on foliage at the first sign of disease; repeat at 10–15 day intervals
Symptoms:
Small, tan spots with dark brown borders appear on leaves. Spots enlarge and may merge, leading to large dead areas and premature drying of leaves.
Chemical & Dosage:
Propiconazole 25% EC @ 200 ml per acre or Mancozeb 75% WP @ 400 g per acre
Trade Name(Example):
Tilt or Nativo (Propiconazole), Indofil M-45 or Dhanuka M – 45 (Mancozeb)
Mode of Application:
Spray on foliage at the first sign of disease; repeat at 10–15 day intervals.
Symptoms:
Straw-colored, irregular spots with concentric bands and cottony growth on leaves and sheaths; may cause premature drying and cracking of husk leaves.
Chemical & Dosage(per acre):
Propiconazole 25% EC @ 200 ml or Mancozeb 75% WP @ 400 g
Trade Name:
Tilt (Propiconazole),
Indofil M-45 (Mancozeb)
Mode of Application:
Spray on foliage at the first sign of disease; repeat at 10–15 day intervals.
Symptoms:
Small, chlorotic (yellow) flecks appear first on leaves, which develop into powdery, brick-red to brown pustules on both leaf surfaces and other above-ground parts. Pustules may become black as they mature. Severe infection leads to yellowing, premature drying, and death of leaves.
Chemical & Dosage(per acre):
Mancozeb 75% WP @ 400 g or Propiconazole 25% EC @ 200 ml or Carbendazim 12% + Mancozeb 63% WP @ 300–400 g or Azoxystrobin 18.2% + Difenoconazole 11.4% SC @ 150–200 ml
Trade Name(Example):
Indofil M-45 (Mancozeb),
Tilt (Propiconazole),
Katyayani (Carbendazim + Mancozeb),
Amistar Top (Azoxystrobin + Difenoconazole)
Mode of Application:
Spray on foliage at the first sign of disease; repeat at 10–15 day intervals as needed
Symptoms:
Yellowing of leaves, downy white growth on the underside, stunted plants, and leaf shredding.
Chemical & Dosage(per acre):
Metalaxyl 35% WS at 2 g per kg of seed for seed treatment, or Mancozeb 75% WP at 400 g per acre for spraying.
Trade Name(Example):
Apron (Metalaxyl), Indofil M-45 (Mancozeb)
Mode of Application:
Treat seeds with Metalaxyl before sowing. If symptoms appear in the crop, spray Mancozeb as recommended.
Symptoms:
Premature drying of plants, shredding of stalk tissues, presence of black sclerotia inside the stem, and plants break easily
Chemical & Dosage:
No effective chemical control; management relies on crop rotation and use of resistant varieties.
Symptoms:
Sudden wilting after flowering, vascular discoloration, and drying of plants.
Chemical & Dosage:
No effective chemical control; use resistant varieties and practice crop rotation