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