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Western Australia has many insect and mollusc pests (snails and slugs) that can affect the quality and yield of vegetable brassicas crops.
Turnip mosaic virus, cauliflower mosaic virus and beet western yellows virus occasionally cause significant economic loss in vegetable brassica crops such as cauliflower, broccoli, cabbage, Chinese
Respiration and transpiration are the most important postharvest processes affecting storage life and quality of vegetables.
The beet cyst nematode is a pest that can cause significant yield loss to brassicas and some other vegetable crops.
Diamondback moth is a major pest of cabbage crops in both Indonesia and Western Australia.
It is important to remain vigilant in the control of diamondback moth and prevent insecticide resistance.
White blister is a fungal disease caused by Albugo candida. It affects many brassica crops including broccoli and cauliflower and some brassica weeds.
Clubroot is caused by the pathogen Plasmodiophora brassicae.
Broccoli, cabbage, Chinese cabbage, cauliﬂower and Brussels sprouts are members of the brassica family.
Brussels sprouts are the most cold tolerant of the brassica crops. They should be grown in well-drained soil and fertilised regularly.