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Pest Management: Symptoms

Mango  -  Mango hoppers: Idioscopus niveoparsus

Pest management
Symptoms of Damage: 
 Nymphs and adults suck the sap of inflorescence
 Withering of plant parts
 Shedding of flower buds and flowers
 Presence of honey dew secrecation on lower leaves and development of sooty mould.
 Hoppers provide shelter in the cracks and crevices of the barks on the tree
Identification of Pest: 
 Nymph - Nymphs pale yellow, very active and hide in lower shoots or in cracks in the barks.
 The insect appears in February when mango trees come to flowering.
 Adults: dark with wavy lines on wings and three spots on scutellum.
 Avoid close planting, as the incidence very severe in overcrowded orchards.
 Orchards must be kept clean by ploughing and removal of weeds.
 Spray two rounds of acephate 75 SP@ 1g/lit or phosalone 35 EC@ 1.5 ml/lit
 First spray at the time of panicle emergence, second spray two weeks after first spray.
 Wettable sulphur @ 2 g/lit may be sprayed after spraying carbaryl to avoid mite resurgence.
 The mixture toxaphene with sulphur (1:1) have been reported to be effective against pest.
 Neem oil 5 ml/lit of water can be mixed with any insecticides. Spray 3 percent neem oil or neem seed kernel powder extract 5 per
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