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बटाटा

Category:
Farmer Knowledge
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Larvae Stage 3: Pupae Stage 4: Adult
Mark Of Identification: Caterpillars : Small, pink yellowish with brown head. Moth : Small, narrow winged & grayish brown, 15 mm wings span. It is nocturnal in habit.
 

Life Cycle:
Management (Pest Control):
Chemical: In Field: Spray with 0.05% quinalphos or 0.1% carbaryl at 60 days after planting.

In Storage : Fumigate the tubers with CS2 @ 1 kg/27 cu.m. for 48 hrs at 70″F. or methyl bromide @ 1 kg/27 cu.m. for 3 hrs before storage. CS2 is reported to induce sprouting in storage.
Organic: Spray G Agro Beauveria 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.
Nutrients
 

Crop Stage Images
Crop Stage Germination Transplanting to plant establish stage Flower Initiation to 1st picking Vegetative Stage Harvesting
Duration
(in days)		 10 30 30 80
 

Nutrients (Kg/ha)

 N 20 60 80 40
P 7.50 7.50 15 7.50
K 10 30 40 20
Pests
Tuber MothCutwormThripsRoot Knot NematodePotato Cyst Nematode
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Larvae Stage 3: Pupae Stage 4: Adult
Mark Of Identification: Caterpillars : Small, pink yellowish with brown head. Moth : Small, narrow winged & grayish brown, 15 mm wings span. It is nocturnal in habit.
 

Life Cycle:
Management (Pest Control):
Chemical: In Field: Spray with 0.05% quinalphos or 0.1% carbaryl at 60 days after planting.

In Storage : Fumigate the tubers with CS2 @ 1 kg/27 cu.m. for 48 hrs at 70″F. or methyl bromide @ 1 kg/27 cu.m. for 3 hrs before storage. CS2 is reported to induce sprouting in storage.
Organic: Spray G Agro Beauveria 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Caterpillar Stage 3: Pupae Stage 4: Adult
Mark Of Identification: Caterpillar : 4-5 cm long, dirty black in colour and have habit of coiling at slightest touch. Moth : Medium sized stout with greyish brown wavy lines & spots on fore wings. The moths are active at dusk and are attracted by light.
 

Life Cycle:
Management (Pest Control):
Chemical: 1% carbaryl poison bait @ 25-60 kg/ha controls the pest effectively. (1kg carbaryl 50WP +10Kg wheat bran + 1kg jaggery & sufficient water). Apply lindane dust @ 125 kg/ha, before planting of potato crop.
Organic: Spray G Agro Beauveria 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Larvae Stage 3: Pupae Stage 4: Adult
Mark Of Identification:
 

Life Cycle:
Management (Pest Control):
Chemical: Spraying the crop with 0.02 % phosphamidon or 0.025 % methyl demeton or 0.03 % dimethoate at 10 days interval as per needed.
Organic: Spray G Agro Lecanicillium 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Larvae Stage 3: Pupae Stage 4: Adult
Mark Of Identification:
 

Life Cycle:
Management (Pest Control):
Chemical: Application of carbofuran 3G @ 1kga.i./ha.
Organic: Spray G Agro Paecilomyces 5ml/lit 2 to 3 spray at 21 days interval.
Life Cycle Of Pest:
Description: Stage 1: Egg Stage 2: Larvae Stage 3: Pupae Stage 4: Adult
Mark Of Identification:
 

Life Cycle:
Management (Pest Control):
Chemical: Use of non fumigant carbofuran 3G @1-2 kg a.i/ha.
Organic: Spray G Agro Paecilomyces 5ml/lit 2 to 3 spray at 21 days interval.
test

Diseases/Pest on Potato :

  • Tuber Moth
  • Cutworm
  • Thrips
  • Root Knot Nematode
  • Potato Cyst Nematode

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Tuber Moth

Disease / pest Damage stage Management / Chemical Organic

Marks Of Identification:

  • Moth : Small, narrow winged & grayish brown, 15 mm wings span. It is nocturnal in habit.
  • Caterpillars : Small, pink yellowish with brown head.

Host Plants:

  • Potato, Brinjal, Tobacco, Tomato and few other solanaceous plants.

Management:

In Field:

  •  Timely earthing up of the crop to cover the exposed tubers helps in reducing the intensity of infestation.
  • Infested blackened eyes tubers should be sorted out and disposed off.
  • Spray with 0.05% quinalphos or 0.1% carbaryl at 60 days after planting.
  • Release of egg larval parasitoid, Copidosoma koehleri B @ 20,000 mummies / ha at 7 days interval starting 45 days after planting or release of egg larval parasitoid Chelonus blackburni @ 60,000 adults/ha in 4 releases at weekly interval found to reduce infestation by 50-55%.

In Storage:

  • Covering of tubers with 1″layer of dry sand is cheap and highly effective remedy against the pest.
  • Fumigate the tubers with CS2 @ 1 kg/27 cu.m. for 48 hrs at 70″F. or methyl bromide @ 1 kg/27 cu.m. for 3 hrs before storage. CS2 is reported to induce sprouting in storage.
  • Treatment of seed tubers with 5% malathion dust @ 125g/100kg of potatos.
  • Release of egg-larval parasitoid, C. koehleri B @ 500 pairs/quintal or C. blackburni @ 200 adults/quintal tubers in storage.
  • Application of Bt powder @ 100g/quintal tubers in storage.
  • Potato may be stored in cold storage. Spraying the quinalphos 15 ml in 10 lits of water.
  • Spray G Agro Beauveria 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.

Cutworm

Disease / pest Damage stage Management / Chemical Organic

Marks Of Identification:

  • Moth : Medium sized stout with greyish brown wavy lines & spots on fore wings. The moths are active at dusk and are attracted by light.
  • Caterpillar : 4-5 cm long, dirty black in colour and have habit of coiling at slightest touch.

Host Plant:

  • Potato, puleses, barley, oat, tobacco, peas, gram, cotton, tomato, lucerne, chilies, brinjal and other vegetables.

Nature Of Damage:

  • The newly hatch caterpiller feed on the epidermies of fallan leaves or green leaves touching the ground. When about half grown, the caterpillars remain hiding during the day in cracks & crevices in soil or in debris around the plants and become active during night.
  • The stems of plant are cut at a height at about 5-25 cm above the ground level and drag the same in to the soil, and feed on tender leaves. The destruction is much more than actual feeding.

Management:

  • Heaps of green grasses may be kept at suitable interval in infested field during evening & collected next day early in the morning along with caterpillars & destroy them.
  • Clean cultivation and mechanical destruction of caterpillars also help in reducing pest infestation.
  • Flooding of infested fields also controls the pest.
  • 1% carbaryl poison bait @ 25-60 kg/ha controls the pest effectively. (1kg carbaryl 50WP +10Kg wheat bran + 1kg jaggery & sufficient water). Apply lindane dust @ 125 kg/ha, before planting of potato crop.
  • Spray G Agro Beauveria 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.

Thrips

Disease / pest Damage stage Management / Chemical Organic

Nature Of Damage:

  • Both nymphs and Adults scraps the epidermis of leaves and suck the oozing sap. As a result light brown patches appears on infested leaves. The affected leaves curl and dry away.

Management:

  • Spraying the crop with 0.02 % phosphamidon or 0.025 % methyl demeton or 0.03 % dimethoate at 10 days interval as per needed.
  • Spray G Agro Lecanicillium 5gm/lit + G Agro Metarohizium 5ml/lit 2 to 3 spray at 21 days interval.

Root Knot Nematode

Disease / pest Damage stage Management / Chemical Organic

Hosts: 

  • Tomato, Brinjal, Chillies, Bhendi, Snake gourd

Management :

  • Only seedlings with roots free of galls should be selected for transplanting.
  • Application of Pseudomonas fluorescens @10g/m2  in nursery.
  • Crop rotation with non-hosts or resistant crops.
  • Proper weed control.
  • Destruction of galled roots after harvest.
  • Soil solarization with clears plastic traps during summer.
  • Use of resistant cultivars.
  • Application of carbofuran 3G @ 1kga.i./ha.
  • Spray G Agro Paecilomyces 5ml/lit 2 to 3 spray at 21 days interval.

Potato Cyst Nematode

Disease / pest Damage stage Management / Chemical Organic

Symptoms:

  • Yellowing of leaves and stunting of plants.
  • Patchy appearance of plant stand.
  • Early senescence and proliferation of lateral roots.
  • Small immature females of white and yellow stages on the roots at flowering.
  • Females can be observed on the tuber surface but with less frequency.

Management:

  • Long crop rotations of 3-7 years. Members of the Graminaceae and Leguminaceae are crops generally used in these rotations.
  • Use of resistant cultivars.
  • Adjusting sowing time to escape from the damage.
  • Use of non fumigant carbofuran 3G @1-2 kg a.i/ha.
  • Spray G Agro Paecilomyces 5ml/lit 2 to 3 spray at 21 days interval.

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