Bangladesh Agro-Meteorological Information Service (BAMIS)

Pests Information - Rice Aus

Rice case worm

Favorable weather	High Relative Humidity above 90% and Cloudy
Control measure	Common name and dose	Trade name
	Malathion @2ml. per litre water.	Fyfanon 57 EC/ Hilthion 57 EC/ Maladan 57 EC/ Limithion 57 EC/Razthion 57 EC/
	Chlorpyrifos @2ml. per litre water.	Dursban 20 EC/Classic 20 EC/ Cyren 20 EC/Lithal 20 EC/Pyrifos 20 EC
Infestaion stage	Early to maximum tillering

Gall midge

Favorable weather	Maximum temperature above 33.0 °C, afternoon Relative Humidity less than 71% , Higher Sunshine hours above 7.4 hours
Control measure	Common name and dose	Trade name
	Carbofuran@10kg per ha.	Brifur 5G/Razfuran 5G/Carbotaf 5G/Curater 5G/Foreafuran5G.
	Cartap @14kg per ha	Care 50 SP/Cartap 50 SP/ Cikotap 50 SP/Kadan 50 SP/Forwatap 50 SP.
	Fipronil @ 1ml. per litre water	Focus 50 SC/ Goolee 50 SC/Regent 50 SC/Nema 50SC/Envoy 50 SC.
	Diazinon @ 17kg. per ha	Razdan 10 G/ Basudin 10G/Diazinon 10 G/ Dianon 10 G/Sabion 10 G
Infestation staage	Seedling to flowering

Rice hispa

Favorable weather	Maximum temperature 32-35⁰C and minimum temperature 24-26⁰C, Maximum Relative Humidity 96-99% and minimum Relative Humidity 75-81%
Control Measure	Common name and dose	Trade name
	Chlorpyrifos @2ml/L water	Dursban 20 EC/Classic 20 EC/ Cyren 20 EC/Lithal 20 EC/Pyrifos 20 EC
	Cypermethrin @1ml./litre water.	Agromethrin 10 EC/ Arrivo 10 EC/ Buster 10 EC/Cythrine 10 EC
Infestation stage	Seedling to flowering stage

Grass hopper

Favorable weather	Maximum temperature less than 29.5⁰C, Minimum temperature less than 22.1⁰C, afternoon Relative Humidity above 75.2%, sunshine hours less than 4.0 hours, Total weekly rainfall above 86.0 mm
Control measure	Common name and dose	Trade name
	Malathion @2ml. per litre water.	Fyfanon 57 EC/ Hilthion 57 EC/ Maladan 57 EC/ Limithion 57 EC/Razthion 57 EC
	Chlorpyrifos @2ml. per litre water.	Dursban 20 EC/Classic 20 EC/ Cyren 20 EC/Lithal 20 EC/Pyrifos 20 EC
Infestation stage	Early tillering to maturity stage

Yellow Stem borer

Favorable weather	Minimum Temperature above 20.3 ⁰C, Maximum Temperature: 29.5-34.7⁰C, Optimum temperature: 24-29⁰C, Higher morning Relative Humidity above 84%, Afternoon Relative Humidity above 38.7% and dry weather
Control Measure	Common name	Trade name
	Carbofuran @10kg per ha.	Brifur 5G/Razfuran 5G/ Carbotaf 5G/ Curater 5G/Foreafuran5G
	Cartap @14kg per ha	Care 50 SP/Cartap 50 SP/Cikotap 50 SP/ Kadan 50 SP/ Forwatap 50 SP
	Fipronil @ 1ml. per litre of water	Focus 50 SC/ Goolee 50 SC/ Regent 50 SC/Nema 50SC/Envoy 50 SC
	Diazinon @ 17kg per ha.	Razdan 10 G/ Basudin 10G/ Diazinon 10 G/ Dianon 10 G/Sabion 10 G
Infestation stage	Early tillering to flowering

Leaf roller/folder

Favorable weather	Maximum temperature greater than 31.9 °C, Minimum temperature less than 21.6 °C, High Relative Humidity 90%, Cloudy
Control Measure	Common name and dose .	Trade name
	Malathion @ 2ml. per litre water	Fyfanon 57 EC/ Hilthion 57 EC/ Maladan 57 EC/Limithion 57 EC/ Razthion 57 EC
	Chlorpyrifos @ 2ml. per litre water	Dursban 20 EC/Classic 20 EC/ Cyren 20 EC/ Lithal 20 EC/ Pyrifos 20 EC.
Infestation stage	Mid tillering to dough stage

Brown plant hopper

Favorable weather	Maximum temperature above 32⁰C, High Relative Humidity:80-90% and drizzle with rainfall less than 75 mm
Control Measure	Common name and dose	Trade name
	Isoprocarb @ 2.5g per litrewater.	Mipcin 75wp/ Sopcin 75wp
	Imidachloprid @ 2.5g per litrewater.	Tiddo 200 SL/Premier 200SL /Imitaf 200 SL
Infestation ‍stage	Maximum tillering to dough stage

Rice bug

Favorable weather	Maximum temperature above 31.9⁰C, Minimum temperature less than 22.1⁰C, Morning Relative Humidity above 93.9%,Afternoon Relative Humidity less than 66.4% and weekly total rainfall less than 40.9 mm.Bright Sunshine Hours above 5.9 hrs.
Control Measure	Common name and dose	Trade name
	Malathion @ 2ml. per litre water.	Fyfanon 57 EC/ Hilthion 57 EC/ Maladan 57 EC/ Limithion 57 EC/Razthion 57 EC
	Chlorpyrifos @ 2ml. per litre water.	Dursban 20 EC/Classic 20 EC/ Cyren 20 EC/Lithal 20 EC/Pyrifos 20 EC
infestation stage	Flowering to milking stage