Stem fly identification and control measures in soybean

Stem fly:

• The maggots of the stem fly are yellow in color which enter the plant by piercing the leaves and eating the internal parts of the plant and move towards the root zone.

• The stem of the infected plant turns red in color and zigzag tunnels appear in the plant.

• In cases of severe infestation (3 or more maggots per plant) the plants wither and die.

• The larvae emerge from the egg and reach the stem from the middle vein through the petiole of the leaf.

Control measures

• For its control, Spray Lamanova (Lambda Cyhalothrin 4.9% CS) @ 120 ml or Novalaxam (Thiamethoxam 12.60% + Lambda-Cyhalothrin 9.5% ZC) @ 50 ml + Silico Maxx @ 50 ml @ 150 to 200 liters of water per acre .

• For biological control, spray Briged B (BEAUVERIA BASSIANA 1.15% WP) @1 kg/acre @ 150-200 liters of water.

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