Wheat Aphids
Aphids
( Leptocorisa oratorius )
Order: Hemiptera
Family: Alydidae
👇
1. Name of Pest: Wheat Aphids.
2. Host plants: Wheat, oats, barley, rice and corn
2 .When its occur:
Aphids often can be present on wheat in the late spring.
- Infestation usually occurs during second fortnight of January till crop maturity.
Aphids often can be present on wheat in the late spring.
Aphid Activity in Wheat:
4. How to identify insect pest:
- Small and soft-bodied and may be yellow, green, black or pink in color depending on species.
- Yellow with dark green legs.
6. Damage Symptoms:
- Yellow or white streaked leaves are found.
- Curling of flag leaf in wheat.
- stunted tillers and roots growth of plants.
- Reddish discoloration usually starts at the tip of the flag leaf and moves downward; eventually in wheat the leaves may appear yellow, red or purple in color.
7. Management Practice:
A. Cultural Methods:
- Select certified varieties that are well-suited for the growing area.
- Crop can be sown in November, not after.
- Intercrop the wheat with Oilseed crops to reduces Wheat Aphids.
- Use of Balanced Nitrogenous fertilizers.
- Remove infested plants, grains and wheat grasses.
B. Biological Methods:
- Apply biological control agents like parasitic wasps, predators, ladybird beetles and lacewings which can eat hundreds of aphids in a lifetime.
C. Mechanical and Physical Methods:(Trap Methods):
- Use of Yellow Sticky Traps/Ribbon Traps .
- Use orange peel: 5 Kg/100 litre of water.
👉Methods: 5kg orange peel dip for 24 hours in 100 litres of water in a drum, 24 hours after separate the water and spray it.
- Spray Azadirachtin 1% EC(10000 Ppm ) @ 3 Ml / Lit Of Water.
D. Chemical Methods::
- Spray Acephate 75% SP @ 1.5 GM / 2 Lit Of Water. (Asataf,starthane,lancer,lucid)
- Spray Acetamiprid 20% SP @1 GM/5 Liter Of Water.( Manik,ekka)
- Spray Acephate 50% + Imidacloprid 1.8% (51.8%) @ 2 GM / Lit Of Water.
- Spray Buprofezin 15% + Acephate 35 % WP @ 2.5 GM /lit Of Water. (Tapuz-adama)
- Spray Cartap Hydrochloride 50% SP @ 1 GM / Lit Of Water. (artox, critap, padan, caldan, sanvex, crataf)
- Spray Chlorfenapyr 10 % SC @ 2 Ml / Lit Of Water. (Interprid,dynapyer,lepido)
- Spray Diafenthiuron 50% WP @ 1 GM / Lit Of Water. (Pegasas,polo)
- Spray Ethiprole 40 % + Imidacloprid 40% WG @ 1 Gm / 3 Lit Of Water. (Glamour)
- Spray Flonicamid 50% WG @ 1 GM / 5 Lit Of Water. (Ulalla)
- Spray Fipronil 4 % + Acetamiprid 4 % (8 % SC) @ 2 Ml / Lit Of Water. (Parviz-adama)
- Spray Imidacloprid 17.8% SL @ 1 Ml / 5 Lit Of Water (Confidor, tatamida, chemida, atom, imidagold, maharaja,hilmida)
- Spray Imidacloprid 70 % SL @ 1 Ml / 5 Lit Of Water. (Admire )
- Spray Spiromesifen 22.9% SC @ 1 Ml / Lit Of Water. (Oberon)
- Spray Thiamethoxam 25% WG @ 1 Gm / 2 Lit Of Water. (Ektara,click,renova,evident,extra Super)
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