Common Name Parthenium
weedBotanical NameParthenium hysterophorus L.StatusParthenium weed is one of only fourteen weeds proclaimed as State Prohibited Weeds in Victoria. This is the highest category to which a noxious weed can be allocated. As yet there is no known infestation of parthenium weed in Victoria.OriginParthenium weed is native to the Caribbean. It is suspected that it was introduced to Australia during World War II. It is a major weed in Queensland and parts of New South Wales and in India.DescriptionAn upright annual herb in the family Asteraceae. Parthenium weed has a deep taproot and grows to a height of 30 to 150 cm. Stems - one main stem which branches in the upper half of the plant; grooved lengthwise, becoming woody with age
Chemical Control
Under Victorian legislation there are controls on various aspects of the uses of agricultural chemicals. Some particular uses are prohibited and some require permits. Users of certain agricultural chemicals are required to obtain an Agricultural Chemical User Permit (ACUP) or work under the direct supervision of an ACUP holder. Additional restrictions on the use of some herbicides apply to particular geographic areas known as Chemical Control Areas (CCA