Pest of sapota.
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Detailed description of pest of Sapota and their management
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Tendances
Tendances (20)
Similaire à Pest of sapota.
Similaire à Pest of sapota. (20)
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Dernier
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Pest of sapota.
- 2. 1.Chiku Moth or Leaf Webber S.N. - Nephopteryx eugraphella Family - Pyralidae Order - Lepidoptera
- 3. Economical importance It causes severe damage to leaves & buds. Host plant Sapota & Bakul
- 4. Mark of Identification Adult / Moths Small ,grey colored ,slender body. Black forewing with yellow spot on the basal half. Black transvers lines on remaining part Caterpillar Small ,active . Deep pink color , with 3 longitudinal pinkish brown strips on each side of the body
- 5. Life history Eggs - singly or in groups on tender shoot or ventral side of leaves . Larva - 13 - 26 days (S)& 31 - 60days(W). Pupa - Inside the fold webbed leaves , P.P - 1- 2 weeks (S) & 2 weeks(W). Life cycle - 4 - 5 weeks (S)& 7 to 13 weeks (w) S.O. - Pest active June - July
- 6. Chiku moth
- 7. Nature of damage The caterpillar webs the tender leaves with silken thread and excreta & feeds on them. They bore the fruits and tender fruits . The infestation of the pest can be detected by - The presence of webbed shoot - Dark brown patches on leaves - Dried leaves in cluster on the tree
- 9. Management Remove and destruct the infested fruits from the orchard. Collect and remove the dried clusters of leaf web. Spray phosalone 35 EC 2 ml/lit. Spray phosphamidon 40 SL 2 ml/lit. Spray neem seed kernel extract 5 %. Spray with 0.1 Carbaryl.
- 10. 2.Chiku seed borer S.N. -Trymalitis psidii Family - Ortricidae Order - Lepidoptera
- 11. Economical importance Most destructive pest of sapota crop Rotting of fruits occur Host plant Sapota
- 13. Life history Eggs - Undersurface of leaves Pupa - plant debris or in the soil.
- 14. Nature Of Damage The larva get entered inside the fruit It can not feed on pulp. They feed upon inner contain of the seed Due to which the rotting of fruits . Affected fruit fails down due to which yield is reduced .
- 15. Control Measures Collection and destruction of the affected fallen fruits. Field sanitation. Use of carbaryl 50% WP.
- 16. 3. Bud worm/ Borer S.N. - Anarsia epotias Family - Gelechidae Order - Lepidoptera
- 17. Mark of identification Larva - small, slender, pinkish brown with black head Adult: Grey moth with black patch on wings.
- 18. Life history Eggs - on buds of young shoot Pupa - plant debris or in soil S.O. - Throughout the year
- 20. Nature Of Damage Webbed flowers and buds Shedding of buds and flowers. Bore holes and excreta seen on attacked flowers.
- 22. Control measure Spray phosalone 35 EC 2 ml/lit or phosphamidon 40 SL 2 ml/lit. Application of neem oil 2% or neem seed kernel extract 5 %. Use of light traps containing bait of tulsi leaf extract and dichlorvos Collection and destruction of infected plant parts.
- 23. 4. Fruit fly: S.N. - Bactrocera dorsalis Family - Trypetidae Order - Diptera
- 24. Mark of identification Larva - Yellowish apodous maggots. Adult - Light brown with transparent wing
- 25. Fruit fly
- 26. Nature of damage . Maggot bore into semi-ripen fruits with decayed spots and dropping of fruits. Oozing of fluid Brownish rotten patches on fruits.
- 27. Fruit fly – Maggot
- 28. Control Measures. Collect fallen infested fruits and dispose them by dumping in a pit and covering with soil. Provide summer ploughing to expose the pupa. Monitor the activity of flies with methyl eugenol sex lure traps. Heavy infestation - application of dust and sprays of pyrethrum
- 29. Prepare bait with methyl eugenol 1% solution mixed with malathion 0.1%. Take 10 ml of this mixture per trap and keep them in 25 different places in one hectare. Spray malathion 50 EC 2ml/lit. Field release of natural enemies Opius compensates and Spalangia Philippines.
- 30. Stem borer S.N. - Plocaederus ferrugineus Family - Cerambycidae Order - Coleoptra
- 31. Stem borer
- 32. Identification of pest Adult - medium sized reddish brown beetle. Head and thorax - dark brown or almost black.
- 33. Nature of damage Presence of small holes at the collar region Gummosis Extrusion of frass through the bore holes at the collar region Yellowing and shedding of leaves Drying up of twigs and gradual death of the tree.
- 34. Management Collect and destroy the damaged plants Field sanitation Swab Coal tar + Kerosene @ 1:2 or Carbaryl 50 WP 20 g / l on the basal portion of the trunk ( 3 feet height) After scraping the loose bark to prevent oviposition by adult beetles. Padding with monocrotophos 36 WSC 10 ml in 2.5 cm /tree soaked in absorbent cotton.
- 35. If infestations are severe then apply the copper oxychloride paste on the trunk of the tree. Hook out the grub from the bore hole and apply monocrotophos 10 to 20 ml/ hole (or) One celphos tablet (3 g aluminum phosphide) per hole Apply carbofuran 3G 5 g per hole and plug with mud.
- 36. Hairy caterpillar S.N. - Metanastria hytaca Family - Lasiocampidae Order - Lepidoptera
- 37. Identification of pest Larva - yellowish brown with black spots and long lateral tufts of hairs Adults: Grayish head and thorax and whitish abdomen. Forewings are reddish brown spot ringed with white Hind wings are white
- 39. Nature of damage Caterpillars feed on leaves Defoliation
- 40. Management Field sanitation Free from weeds and debris Collect and destroy the egg mass Burning the groups of larvae found on tree trunks with torches. Spray chlorpyriphos 20EC or phosalone 2 ml/l Dusting carbaryl 10 D on the trunk and branches (around the tree 4 feet) Field release of chalcidid wasp, Brachymeria sp.