PESTS OF CRUCIFERS

Cruciferous vegetables belong to the family Brassicaceae/Cruciferae. This family includes vegetables like Cabbage, cauliflower, Radish, Broccoli, Mustard, Turnip, Land cress, Water cress and similar green leafy vegetables.

We can observe different kind of pests in these crops

DIAMOND BACK MOTH

Causal organism : Plutella xylostella

Symptoms

  • Small yellow mines are caused by young caterpillars on the leaves
  • Scrapping of epidermal leaf tissues
  • This leads to the formation of white patches on the leaves
  • Fully grown larvae makes holes in the leaves.
  • They starts feeding curd so the whole crop will be lost

Management

Use insecticides like Bayer Larvin

Cartap hydrochloride 0.5%

Dimethoate

Lamda cyhalothrin

TOBACCO CATERPILLAR

Causal organism : Spodoptera litura

Symptoms

  • Larva damages the  leaves of cabbage, cauliflower, radish and beet root severely
  • They also damages the head of cabbage and cauliflower
  • They starts feeding the leaves and slowly attacks the inflorescence and fruit part
  • Finally the whole crop gets infested by this pest which leads to loss of yield.

Management

Spray insecticides like Dichlorovos  76 WSC @ 1lit/ha

Chlorpyriphos 20EC @ 2lit/ha

Dimethoate

Spodo lure 10lures/acre

Use bio product like Bio R 303

CABBAGE APHID

Causal organism : Brevicoryne brassicae

Symptoms

  • Causes yellowing of leaves
  • Crinkling and cupping of leaves can also be observed
  • Distorted primordial shoots can be seen
  • We can observe white cast skin at the base of the plant

Management

Use insecticides like Dimethoate 30% EC @ 6ml/10lit

Use Daman A47 @ 1-1.5ml/lit

Use Shine @ 2.5ml/lit

Use bio R 303 @ 1.5ml/lit

Willowood Antenna

CABBAGE BUTTERFLY

Causal organism : Pieris brassicae

Symptoms

  • Larva causes defoliationof leaves.
  • It bores into the heads of cabbage
  • Later it starts to feed the internal content
  • Hence the whole crop is infested due to this and finally loss of yield.

Management

Spray insecticides like Damman A 47 @ 1-1.5ml/lit

Lamda Cyhalothrin

Dimethoate

MUSTARD APHID

Causal organism : Lypaphis erysimi

Symptoms

  • Both nymph and the adults suck the cell sap from  the leaves, buds and pods
  • We can observe curling in infested leaves
  • At advanced stage, plants may wither and die
  • Stunted growth of plants
  • Sooty mold formation due to the secretion of honeydew by the insects

Management

Spray dimethoate @ 2ml/lit

Use Shine @ 2.5 ml/lit

Use Dhal-6 and Bio R 303

LEAF WEBBER

Causal organism : Crocidolomia binotalis

Symptoms

  • Larva affects the whole plant
  • Young larva scrapes and feeds on the leaves
  • Later they start to web together leads to loss of crop

Management

Spray insecticides like Dimethoate

Bayer larvin

Daman A47 @ 1-1.5m/lit

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