Measures to Control Aphids in Wheat

Measures to Control Aphids in Wheat

Aphids are tiny, soft-bodied insects that are major pests for many garden plants. They are members of the superfamily Aphidoidea and come in a variety of colors, including green, black, brown, yellow, and pink. Aphids feed on the sap of wheat plants, which can stunt growth and reduce yields. In addition, some species of aphids can transmit viruses to wheat plants, which can cause even more damage. The severity of aphid infestations in wheat can vary depending on a number of factors, including the weather, the variety of wheat being grown, and the presence of natural enemies. However, even small aphid infestations can cause significant economic losses to wheat growers.

         Aphids in Wheat

  • Type of Infestation: Pest
  • Common Name: Aphids
  • Affected Parts Of the plant: Leaves 

 Identification:

  • Size: Most species are tiny, ranging from 1-5 mm in length.
  • Body shape: Pear-shaped with long legs and antennae.
  • Color: Green, black, brown, yellow, pink, or combinations of these.
  • Feeding: Use piercing mouthparts to suck sap from plants.
  • Reproduction: Can reproduce rapidly, both sexually and asexually.
  • Environmental favorable factors for pests/Diseases:

    • Temperature: Aphids generally prefer warm temperatures, between 65°F and 85°F (18°C and 29°C).
    • Humidity: While some aphid species tolerate moderate humidity, prolonged dry periods can stress wheat plants, making them more susceptible to aphid feeding and reducing their natural defenses.

     Symptoms of Pest/Disease:

    • Discoloration: Leaves may turn yellow, especially on the undersides where aphids feed. Heavily infested plants can lose overall green color, appearing pale or stunted.
    • Leaf rolling: Aphids often feed on the youngest leaves, causing them to curl inwards along the edges, sometimes resembling a straw.
    • Honeydew and sooty mold: Aphids excrete a sugary substance called honeydew, which can attract ants and provide a substrate for the growth of black sooty mold, further reducing plant health.

    Measures to control Pests/Diseases:

    Products

    Technical Names

    Dosages

    IMD-70 Imidacloprid 70 % WG

    2-3gms/15ltr 

    FOXY Fipronil 4% + Thiomethoxam 4% SC

    350 ml/acre

    K - Acepro Acetamiprid 20 % SP

    60 to 80 gm/a

    Imd-178 Imidacloprid 17.8 % SL

    100-150ml/a

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