Pest & Control in Tea
Pest
They damage plants and leaves by their activities and minimize the crop upto 10-20% in Tea Plantation.
Always use PPC approved pesticide, Fungicide & Weedicide chemicals.
- 1. Mites - They are in tiny size with 8 legs creature like a spider and damaging the leaves of tea plants.
- A) Red Spider (Oligonychus Coffeae) - They are red colour mites. Damage leaves of tea plants and turn them into reddish, dry & then fall off.
- Damage Nature - 8 -10% crop Loss.
- Life Cycle - All mite have same life Cycle
- Eggs →Larvae → Nymphs→Adult
- Completion of life Cycle -
- In Summer - 7 - 10 days
- In Winter - 20 days
- Eggs Hatching -
- Mar./April/Sept./Oct. - In 5-6 days
- May/June/ July/Aug.- In 4-5 days
- Nov./Dec./Jan./Feb. - 13 days
- B) Scarlett Mite (Brevipalpus Phoenisis) - They are turn tea's leaf in opposite direction and damage it.
- C) Pink Mite ( Acaphylla Theae) - They are in pink colour and damage like red Spider.
- D) Purple Mite (Calacarus Carinatus) - They are in purple colour and damage like red Spider.
- Control - All mites are control by
- Propargite @ 300 ml/ 200 litres water
- Fenzaquine @ 400 ml/ 200 litres water
- Spiromesifen @ 200 ml/ 200 litres water
- Etoxazole @ 150 ml/ 200 litres water
- If Severe attack of Pest then apply the double dose pesticides 1 round for quick control.
- If necessary then mix chemicals according EC+Sticker+SL+SC+WSC+WP+WG+SG+ SP.
- 2. Insects - A small pest which has 6 legs, 2 pair of wings and 3 part of body (Head, Thorax & Abdomen).
- A) Tea Mosquito ( Helopeltis Theivora) - Green coloured mosquito type pest damage tes plant's leaves and turn them in black colour or dry, after a few days of infection untreated plants is started decaying.
- Order - Hemiptera,
- Mouthpart - Piercing & Sucking type (bug)
- Modification of legs - walking & Clasping type.
- Life Cycle -
- Eggs →Nymphs→Adult
- Completion of life Cycle - In 14 - 15 days
- 220 Eggs produced by a female in 1 time.
- Natural Enemies of Helopeltis -
- Lynx Spider - 5-7 Adults eat in a day.
- Green Lacewing - 10-11 Nymphs eat in a hour
- Reduviid Bug - 6 Adults eat in a day.
- Dragon Fly - 20 - 50 Adults in a day.
- B) Tea Thrips (Scirtothrips Dorsalis) - Tiny size lightly yellow coloured pest found in back side of tea's leaves & turn them in pale yellow colour also found white lines on leaves and their petiole.
- Life Cycle -
- Eggs →Larvae → Nymphs→Pupa→Adult
- Completion of life Cycle - In 13 - 14 days
- C) Green Fly/Jassid (Empoasca Flavescens) - Small size white coloured pest found in back side of tea's leaves & curl them with cheking growth.
- Life Cycle -
- Eggs →Nymphs→Adult
- Completion of life Cycle - In 16 - 20 days
- D) Aphids - They are small & white coloured sap sucking pest damage new flushing buds
- Life Cycle -
- Eggs →Nymphs→Adult
- Completion of life Cycle - In 20- 23 days
- Control - All Insects are control by
- a) By Pesticides -
- Thiamethaxome @ 80 gr./ 200 litres water
- Quinalphos @ 500 ml/ 200 litres water
- Imidaclorpid @ 200 ml/ 200 litres water
- If Severe attack of Pest then apply the double dose (or mix contact+ systemic) pesticides 1 round for quick control.
- b) By Herbal Extracts -
- Bitter Fern
- Water pepper
- Kata(Argemone Maxicana sp.)
- Akwan(Polygonum hamiltonni)
- Thatter(Ipomoea Convolvula)
- i) Preparation of Herbal Extracts -
- Chop the plant materials
- Drying it under shade
- Powdering by grinding machine
- Soaking 5 kgs powder in 50 litres water for 2 days
- Vigorous Stirring
- Filtering it
- Made-up volume by 100 litres.
- ii) Preparation of Neem leaf Extract -
- Materials -
- Neem Leaf - 10 kgs
- Garlic - 250 gram
- Cow's Urine - 50 Litres
- Copper Utensils - more capacity
- Process -
- We take 50 Litres cow's Urine with 10 kgs neem leaves and 250 grams garlic in Copper Utensil
- After mixing them very well keep it for 10 days.
- After then boil the solution upto half of taken quantity (upto 25 litres).
- Spray ready solution in tea plantation @ 2 litres with 200 Litres water.
- 3. Looper ( Buzura Suppressaria) - They are damaged & chew all leaves in form of Caterpillar.
- 4. Bunch Caterpillars- Damaged as looper.
- Life Cycle -
- Eggs →Caterpiller → Chrysalid→Adult
- Completion of life Cycle - In 60 - 70 days
- Control - All type of Caterpillars are controlled by
- Emamectin Benzoate @ 80 gr./ 200 litres water
- Flubendiamide @ 40 gr./ 200 litres water
- 5. Red Slug - A Slug type red coloured pest with sticky mukus. They damage & chew the leaves of tea plants.
- 6. Nettle Grubs - A green coloured pinching hairy grub type pest also damage leaves.
- Life Cycle -
Eggs →Caterpiller(Slug) → Chrysalid→Adult
- Completion of life Cycle - In 70 days
- Control -
- Quinalphos @ 500 ml/ 200 litres water
- Emamectin Benzoate @ 80 gr./ 200 litres water
- Flubendiamide @ 40 gr./ 200 litres water
- 7. Termites - A white Ant type pest damage stems & branches of tea plants.
- Damage Nature - 15% Crop Loss.
- Species -
- Odontoterms Species - Dead wood eater
- Microterms Species - Live wood eater (Microterms Pakistanicus)
- Life Cycle -
Eggs →Nymphs→Adult
- Completion of life Cycle -
- Type of Adult -
- Queen
- Female
- Male
- Workers
- Soldiers
- Control -
- Chlorpyriphos @ 500 ml/ 200 litres water
- Phorate @ 10 gr./ Bush in root zone.
- Castor Cake @ 2-5 ton/ ha.
Comments
Post a Comment