Sorghum (Sorghum bicolor)

Shoot Fly (Atherigona soccata)

Symptoms

  • Maggots bores inside the stem and cuts the growing point
  • Central shoot dried & produce dead heart symptom
  • Infested plant produces side tillers
  • Adult are whitish grey fly

Management

  • Use resistant varieties like Co-1, CSH 15R, Maldandi and Hagari, M35-1, Swati, SPV 491, IS - 18551, 5566, 5285, 5613, ICSV 700, ICSV 705, Phule Yashoda, CSH 7, CSH 8
  • Sow sorghum immediately at the onset of monsoon rains to minimize shoot fly damage.
  • Use higher seed rate (12.5 kg/ha) and remove the shoot fly damaged seedlings
  • Pull out and destroy plants showing dead hearts
  • Set up hanging type of plastic fishmeal trap @ 12/ha till the crop is 30 days old.

Chemical Control

Sl.No Generic Name Trade Name Color code Dosage/litre Knapsack Sprayer (Capacity 10L) Dosage/acre (200 L) Dosage/hectare (500 L) Remarks
1 Dimethoate 30 EC Nugor, Rogor, Tagor, Tara 909 Yellow 1 ml/ litre of water 10 ml 200 ml 500 ml Seed treatment
2 Chlorpyrifos 20 EC Chlorban, Classic-20 Coroban, Dhanvan, Durmet, Dursban, Hilban, Krishan, Radar Starban, Tafaban, Tagban, Tricel Yellow 1 ml/ litre of water 10 ml 200 ml 500 ml Seed treatment
3 Quinalphos 25 EC Agroquin, Anuphos, Guin Guard Tagquin, H.LX, Hilquin Geelux, Kinalaux Exalux, Krilux, Quinaswan Flash, Quincid Starlux, Rambalux Quinolux Yellow 1 ml/ litre of water 10 ml 200 ml 500 ml Seed treatment

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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic