Okra / Bhindi (Abelmoschus esculentus L.)

Cercospora leafspot (Cercospora abelmoschi and C. malayensis)

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Symptoms

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  • Two types of leaf spots are seen in bhindi.
  • In first type, brown and irregular spots are seen on the leaf.
  • In the second type, sooty black, angular spots are seen.
  • Severely affected leaves roll, wilt and fall down to the ground.

Management

  • Remove and destroy the severely infected leaves.
  • Crop rotation and destruction of wild hosts from in and around the field should be followed to keep the disease under check.

Chemical Control

Sl.No Generic Name Trade Name Color code Dosage/litre Knapsack Sprayer (Capacity 10L) Recommendation Remarks
Dosage/acre (200 L) Dosage/hectare (500 L)
1 Mancozeb 75 WP Devidayal M-45, Dhanuka M 45, Dhanuka M-45, Dithane, Dithane M-45, Hilthane, Hindustan M 45, Indofil M 45, Izeb M-45 Manzate, Luzen-45, Macoban, Macoban M-45, Mancosaan, Mancosaan M-45, Maneb Manzane, M-Guard, Savour M 45, Tata M-45 Eurofil-NT, Uthane M-45, Veera, Zinthane Green 3 gram/litre of water 30 g 600 g 1500 g Spray as a prophylatic measure
2 Copper oxychloride 50 WP Bensaan, Blitox, Blue copper, Bluetrox, Copter, Cupramar, Cuprina, Dhanucop, Fytolan, Fytox, Fytran, Fytolan, Hilcopper, Killex copper, Maincop Dhanucop, Star cop, Tagcop, Trucop HiDice, Kocide 101 Blue 2 gram/litre of water 20 g 400 g 1000 g Spray as a prophylatic measure
3 Carbendazim 50 WP Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom Green 1 g/ litre of water 10 g 200 g 500 g Spray immediately after the appearance of the disease.
4 Hexaconazole 5 EC Alert Creeper, Contaf, Corazole, Danzole, Force 5C, Hexaan, Hexacone, Hexadhan, Hexamax, Hexan, Hexazole, Mainex EC, Sitara, Strike, Titan, Topper, Topper plus EC, Xantho Blue 1 ml/litre of water 10 ml 200 ml 500 ml Spray immediately after the appearance of the disease.
5 Propiconazole 25 EC Bumper, Dhan, Pinade, Propiguard, Propik Final, Radar, Result, Tilt, Tilt Albu, Zetox Blue 1 ml/litre of water 10 ml 100 ml 500 ml Spray immediately after the appearance of the disease.
6 Penconazole 10 EC Topas Blue 1 ml/litre of water 10 ml 100 ml 500 ml Spray immediately after the appearance of the disease.
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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic