info@farmsonbiotech.com +917227877915, +919054677915

Amaranthus

Amaranthus weevil

Symptoms of damage

Irregular zig-zag tunnels in the pith region filled with excreta

Gall like thickening and longitudinal splitting of stem

Suppression of root and leaf production

Identification of pest

Egg: Smooth, oval, pale yellow in colour, laid singly in stem

Grub: Stout, curved, legless and white in colour

Adult: Ash grey in colour with brown elytra and has a very long snout

Management

Collect and destroy wild amaranthus hosts in the vicinity of cultivated crop

Collect and destroy affected plant parts along with grubs and adults

Spray malathion 50 EC 2 ml/lit after the harvest of leaf

Leaf caterpillar

Symptoms of damage

Web the leaves with silken threads and feed within

Webbed leaves become devoid of chlorophyll and dry up

Identification of pest

Larva: Greenish with white lines and black crescents on thorax below the lateral lines

Adult: Small, black coloured, moth with slender body.Wings dark brown in colour with white wavy markings

Management

Collect and destroy affected plant parts with caterpillars

Set up light trap @1/ha to attract and kill the adults

Spray malathion 50 EC 1 ml/ lit

Leaf webber

Symptoms of damage

Webbing of leaves with silken threads

Identification of pest

Larva: Green in colour

Adult: small moth with yellowish white thorax and abdomen, brownish red forewing and dark brown hind wing.

Management

Collect and destroy affected plant parts with caterpillars

Set up light trap @ 1/ha to attract and kill the adults

Spray malathion 50 EC 1 ml/ lit