Major pest of rice and their management new

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major pest of rice, symptoms and their management

Rice is one of india’s major staple food crop.
Scientific name of rice is Oryza sativa , it comes under the grass family Poaceae.
The inflorescence of rice is a panicle.
Lowland Rice is a water intensive crop. It attracts a lot of sucking pests and diseases.

Major pest of rice and management

Important pests of paddy are mentioned below along with symptoms and their management practices.

Sl.No	Pest	Symptoms- major		Management
1	Yellow Stem Borer Scirpophaga incertulas Tryporyza incertulas	DEAD HEART MONOPHAGOUS PEST OF RICE		Grow resistant varieties like Ratna, TKM 6, IR 20 , IR 40 Spray any one of the following based on ETLs : Monocrotophos 36 SL 1000 ml/ha (or) Quinalphos 25 EC 1000 ml/ha (or) Phosphamidon 40 SL 600 ml/ha (or) Profenophos 50 EC 1000 ml/ha Release of egg parasitoid Trichogramma japonicum
2	Paddy gall midge Orseolia oryzae	Silver shoot / Onion leaf		Use resistant varieties like Destroy collateral hosts Dip the germinated seed in 0.2% chlorpyrifos solution for 3 hours before sowing give protection up to 30 days Use granules of phorate 10G (1.5 kg ai/ha) in regular occurence
3	Brown Plant Hopper Nilaparvata lugens	Hopper burn and grassy stunt		Use brown plant hopper resistant varieties, like IR26, IR64, IR36, IR56, and IR72 Spray Phosphamidon 40 SL 1000 ml/ha (or) Monocrotophos 36 SL 1250 ml/ha Release of natural enemies like Lycosa pseudoannulata, Cyrtorhinus lividipennis adult (200 – 250 bugs/ha)
4	Green leaf hoppper Nephotettix nigropictus N, virescens	Transmit yellow dwarf and Tungro virus		Use GLH-resistant and tungro-resistant varieties like IR 50, IR 54, IR 64 Spray any one of the following: Fenitrothion 50 EC 80 ml (or) Phosphamidon 40 SL 50 ml (or) Fenthion 100 EC 40 ml Use of egg parasitoids
5	Case worm Nymphula depunctalis	Leaf cases from rice leaf and cut leaf bits		Pass rope to dislodge casetubes and eggs Spray kerosene Spray methyl parathion 0.05% (or) monocrotophos 0.05% (or) Quinalphos 0.05% Snails are useful predators of eggs of the rice caseworm
6	Paddy earhead bug or Gundhi bug Leptocorisa acuta Leptocarisa oratonius	Rice grains become white and chaffy, Buggy odor in rice field at milky stage		Carbaryl dusting Spraying of Fenthion 100 EC @ 500 ml/ha (or) Malathion 50 EC @ 500 ml/ha
7	Rice hispa Dicladispa armigera	Leaf scraping and mining by grubs		Check over fertilizing the field Prevent close spacing Spraying of methyl parathion 0.05% or Quinalphos 0.05%

Major pest of rice and its management

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