Measures to Control Aphids in Okra plant

Aphids are soft-bodied insects, often referred to as greenflies or blackflies, that can be a real nuisance for gardeners. Though small, they can pack a punch when it comes to damaging your plants. Small, soft-bodied insects (1-7mm long). Come in various colors (green, yellow, brown, red, black). Have long, slender mouthparts for sucking sap. Often found clustered on young leaves, stems, and flowers. Feed on plant sap, weakening the plant. Stunt growth, deform leaves and buds, and transmit diseases. Produce a sticky substance called honeydew that attracts ants and promotes the growth of sooty mold.

• • Type of Infestation: Pest
  • Common Name: Aphids
  • Causal Organism: Aphis gossypiis
  • Affected Parts Of the plant: Leaves, Stem, Flowers, fruits

   

• Identification:

  • Size: Aphids are typically 1-7mm long, so you'll need a magnifying glass for a closer look.
  • Body: Soft-bodied, pear-shaped, with two long antennae.
  • Color: Green, yellow, brown, red, black, or a combination of these colors.
  • Feeding: Clustered together, usually on the undersides of leaves or young stems, sucking sap with their long, slender mouthparts.

• Environmental favorable factors for pests/Diseases:

  • Temperature: Mild temperatures (around 20-25°C) are ideal for aphid reproduction and development. So, if you're growing okra in a region with warm spring and summer months, you're more likely to encounter aphid problems.
  • Humidity: Moderate humidity levels (around 50-60%) also favor aphid populations. This is because it helps them stay hydrated and avoid desiccation.

   

• Symptoms of Pest/Disease:

  • Yellowing and curling of leaves: It typically starts with younger leaves at the top of the plant and progresses downwards.
  • Stunted growth: Aphid feeding can hinder the plant's ability to grow, resulting in smaller leaves, shorter stems, and fewer fruits.
  • Distorted leaves: In severe infestations, leaves may become puckered, wrinkled, or even blistered.
  • Sticky honeydew: Aphids excrete a sugary substance called honeydew, which coats the leaves and stems. This sticky substance can attract ants and other unwanted insects, and also promotes the growth of black sooty mold, further weakening the plant.

   

• Measures to control Pests/Diseases:

  Products	Technical Names	Dosages
  K - Acepro	Acetamiprid 20 % SP	60 to 80 grams per acre
  IMD-70	Imidacloprid 70 % WG	2-3gms per 15 ltr water
  Thioxam	Thiamethoxam 25 % wg	200 g/ha
  Imd-178	Imidacloprid 17.8 % SL	100 -150 ml per acre