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Package of Practices
  • A compendium of state specific and location specific recommended package of practices are provided under this head. You may be interested to see that, thanks to our IP based customisation, that only your state (the state from where you are accessing RKMP) specific information is available.
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29
Jul

Mealybug ( Mavuppoochi )

1. Common name- Mealybug .

2. Scientific name - Brevennia rehi.

 3. Vernacular name - Mavuppoochi ( மாவுப்பூச்சி )

 Identification of Mealybug:

Adult - Small reddish white, soft-bodied wingless insect covered with filamentous materials.

Damage of Mealybug :

• Large number of insects remains in leaf sheath and suck the sap.

• Plants become week, yellowish and very much stunted in circular patches.

• Presence of white waxy fluff in leaf sheaths .

Management of Mealybug.

• Durin field preparation - remove the grasses from the bunds and trim the bunds.

 • Remove and destroy the affected plants.

• Spray any one of the following insecticides in the initial stage of infestation o dimethoate 30 EC 500 ml/ha o methyl demeton 25 EC@ 500 ml/ha. o Conserve the natural enemies like Scymnus sp.,Anatrichus pygmaeus, and Mepachymerus ensifer

29
Jul

White backed plant hopper ( Ven muthugu thathu poochi )

1. Common name - White backed plant hopper.

 2. Scientific name - Sogatella furcifera.

 3. Vernacular name - Ven muthugu thathu poochi ( வெண் முதுகு தத்துப்பூச்சி ).

Damage of White backed plant hopper.

• Suck the sap and cause stunted growth.

• “Hopper burn” is caused in irregular patches.

Identification of White backed plant hopper.

• Nymph - White in colour and pronotum is pale yellow. Adult - Possess a diamond like marking on the thorax and ovipositional site is black streaks.

Management of White backed plant hopper.

• Avoid use of excessive nitrogenous fertilizers .

• Control irrigation by intermittent draining Apply any one of the following.

• Phosphamidon 40 SL@ 1000 ml/ha.

• Monocrotophos 36 SL @ 1250 ml/ha.

 • Carbofuran 3 G @ 17.5 kg/ha.

 • Dichlorvos 76 WSC @ 350 ml/ ha.

 • Neem oil 3% @ 15 lit/ha.

 • Iluppai oil 6% @ 30 lit/ha.

 • Neem seed kernel extract 5% @ 25 kg/ha.

29
Jul

Brown plant leafhopper ( pogayan)

 

1. Common name- Brown plant leafhopper.

 2. Scientific name - Nilaparvata lugens.

 3. Vernacular name - pogayan ( புகையான்)  .

Symptoms of damage of Brown plant leafhopper:

• Nymphs and adults congregate at the base of the plant above the water level.

• Affected plant dries up and gives a scorched appearance called “hopper burn”.

• Circular patches of drying and lodging of matured plant .

• It is vector of grassy stunt, ragged stunt and wilted stunt diseases.

Identification of Brown plant leafhopper.

• Adult: Brown body and chestnut brown eyes. It has two forms viz., (Macropterous (long winged) and brachypterous (short winged)).

Management of Brown plant leafhopper.

• Use resistant/tolerant varieties like Aruna, ADT 36, Co 42, Co 46 IR 36, IR 72.

• Avoid close planting • To provide 30 cm rogue spacing at every 2.5 m to reduce the pest incidence.

• Avoid use of excessive nitrogenous fertilizers.

• Control irrigation by intermittent draining.

• Set up light traps during night.

 • Yellow pan traps during day time.

 • Conserve natural enemies like Lycosa pseudoannulata, Cyrtorhinus lividipennis.

• Avoid synthetic pyrethroids, methyl parathion, fenthion and quinalphos causing resurgence.

 • Drain the water before the use of insecticides .

• Apply any one of the following o Phosphamidon 40 SL@ 1000 ml/ha, o Monocrotophos 36 SL @ 1250 ml/ha o Carbofuran 3 G @ 17.5 kg/ha o Imidacloprid 18.5@ 100 ml/ha o Thiomethoxam 20 WDG@ 100 ml/ha

29
Jul

Whorl maggot ( Kuruthu EE)

 

1. Common name- Whorl maggot.

2. Scientific name - Hydrellia sasakii.

3. Vernacular name - Kuruthu EE ( குருத்து ஈ ) .

Symptom of damage of Whorl maggot:

• Maggot feeds on the tender tissue inside the whorl.

• Yellowish white longitudinal marginal blotching with hole.

• Leaves shrivelled plant stunted and maturity delayed.

• Drooping of young leaves near the tip.

Identification of Whorl maggot.

• Maggot - Yellowish white in colour.

• Adult - Small dull grey fly. Management of Whorl maggot.

• Remove the alternate hosts and adjust the time of planting (early).

 • Use early maturing varieties.

 • Optimum recommendation of potash fertilizer.

 • Spray endosulfan 35 EC @1000ml/ha.

29
Jul

Spiny beetle / Rice hispa (Mule vandu)

 

1. Common name - Spiny beetle / Rice hispa.

2. Scientific name - Dicladispa armigera.

 3. Vernacular name - Mule vandu ( முள் வண்டு ).

Symptoms of damage of Spiny beetle:

• Adults feed on chlorophyll by scraping and causing white parallel streaks.

• White patches along with long axis of leaf.

• Grubs mine into the leaves and make blister near leaf tips.

Identification of Spiny beetle / Rice hispa ( Mule vandu ):

• Larva - Grub is minute, flat and yellow.

 • Adult - Blue - black shiny beetle with spines on the thorax and elytra.

Management of Spiny beetle / Rice hispa:

• Leaf tip containing blotch mines should be destroyed.

• Manual collection and killing of beetles – hand nets.

• Spray endosulfan 35 EC @1000ml/ha.

29
Jul

Yellow hairy caterpillar ( Manchal kambalipuzhu)

1. Common name - Yellow hairy caterpillar .

2. Scientific name - Psalis pennatula .

3. Vernacular name - Manchal kambalipuzhu ( மஞ்சள கம்பளிப்புழு ).

Symptoms of damage of Yellow hairy caterpillar:

• Caterpillar causes defoliation.

Identification of Yellow hairy caterpillar:

• Caterpillar is yellowish brown with red stripes.

 • Orange head and tufts of hairs all over the body.

• Pupa - pale white cocoon of silk and frass attached to the leaf.

 • Adult - Moth is stout with straw coloured forewings.

Management of Yellow hairy caterpillar:

• Spray endosulfan 35 EC 1000 ml / ha or monocrotophos 36 WSC 500 ml / ha

29
Jul

Rice horned caterpillar ( Pachhai kombupuzhu )

 

1. Common name - Rice horned caterpillar .

2. Scientific name - Melanitis ismene.

3. Vernacular name - Pachhai kombupuzhu ( பச்சை கொம்புப்புழு ).

Damage of Rice horned caterpillar :

• Larva feeds on leaf blades of rice.

• Leaves are defoliated from the margin or tip irregularly.

Identification of Rice horned caterpillar:

 • Egg - White eggs singly on the leaves is green.

• Larva - Lightly flattened with two red horns processes on the head.

 • Two yellow processes in the anal end .

• Pupa - Chrysalis, which suspends from the leaf.

• Adult - dark brown with large wings having a black .

• yellow eye like spot one on each of the fore wings.

Management of Rice horned caterpillar:

 • Spray endosulfan 35 EC 1000 ml / ha or monocrotophos 36 WSC 500 ml / ha.

29
Jul

Leaf folder (or) leaf roller (Elai suruttupuzhu)

 

1. Common name- Leaf folder (or) leaf roller .

2. Scientific name - Cnaphalocrocis mainsails / Marasmia patnalis.

 3. Vernacular name - Elai suruttupuzhu ( இலை சுருட்டுப்புழு ).

Symptom of damage of Leaf folder :

• Leaves fold longitudinally and larvae remains inside.

• Larvae scrapes the green tissues of the leaves and becomes white and dry.

• During severe infestation the whole field exhibits scorched appearance.

Identification of Leaf folder

• Egg - Flat, oval in shape and yellowish white in colour.

• Larva - Greenish translucent

• Adult - Moth is brownish with many dark wavy lines in centre and dark band on margin of wings.

Management of Leaf folder

• Resistant varieties: TNAU LFR 831311, Cauveri, Akash, TKM 6.

• Clipping of the affected leaves.

• Keep the bunds clean.

• Avoid excessive nitrogenous fertilizers.

• Light traps to attract and kill moths.

• Release Trichogramma chilonis @ 1, 25,000/ha thrice.

 • Spray NSKE 5 % or carbaryl 50 WP 1 Kg or chlorpyriphos 20 EC 1250 ml/ ha.

29
Jul

Rice skipper ( Nel skipper )

1. Common name - Rice skipper .

2. Scientific name - Pelopidas mathias.

3. Vernacular name - Nel skipper ( நெல் ஸ்கிப்பர் ).

Symptom of damage of Rice skipper ( Nel skipper ):

• Edges of the leaves are fastened with webbing.

• Backward rolling of leaves.

• caterpillar feeds from margin to inwards.

Identification of Rice skipper ( Nel skipper ):

Larva: Pale green with constructed neck.

Adult: Butterfly with brown coloured wings and curved antenna

Management of Rice skipper ( Nel skipper ) :

Spray endosulfan 35 EC 1000 ml / ha or monocrotophos 36 WSC 500 ml / ha

29
Jul

Gall midge ( Nel Kurutthu E)

 

1. Common name- Gall midge 2. Scientific name - Orseolia oryzae 3. Vernacular name - Nel Kurutthu E ( நெல் குருத்து ஈ) Symptom of damage of Gall midge: • Maggot feeds at the base of the growing shoot • Causing formation of a tube like gall that is similar to “onion leaf” or “Silver-shoot”. • Infested tillers produce no panicles. Identification of Gall midge: • Egg: Reddish, elongate, tubular eggs just near the ligule of the leaf blade • Larva: Maggot is pale to red colour feeds inside the gall. • Pupa: pupates at the base of the gall and moves to tip of the gall • Adult: Adult is orange coloured mosquito like fly. Management of Gall midge: • Early ploughing • Resistant varieties: MDU 3, Shakthi, Vikram and Sureka • Harvest the crop and plough immediately • Remove the alternate hosts and adjust the time of planting (early) • Use early maturing varieties • Optimum recommendation of potash fertilizer • Setup light trap and monitor the adult flies
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