Is feverfew a weed in Australia?

Is feverfew a weed in Australia?

Parthenium weed, ragweed, Santa Maria feverfew, bitter weed, carrot grass, congress grass, false ragweed, ragweed parthenium, whitetop (Parthenium hysterophorus) is a declared pest in Western Australia (WA).

How did parthenium come to India?

This alien weed is believed to have been introduced into India as contaminants in PL 480 wheat (Public Law 480 passed in 1954 to give food grains to developing countries for eliminating starvation and malnutrition) imported from the USA in the 1950s.

How does parthenium spread?

Parthenium seeds can spread via water, vehicles, machinery, stock, feral and native animals and in feed and seed. Drought conditions aid the spread of seed with increased movements of stock fodder and transports. Parthenium is capable of growing in most soil types but becomes most dominant in alkaline, clay loam soils.

Is parthenium an invasive species?

Parthenium is an invasive weed which has multiple negative impacts – on human and animal health as well as crop yields and biodiversity. Parthenium grows during the spring and summer months, between April and November. It grows rapidly to a height of around 1.5 metres and spreads its seeds far and wide.

Is feverfew a weed?

Feverfew, as its name suggests, was used for all kinds of colds, coughs and infections, and for general aches and pains. …

How do you propagate feverfew?

It can be propagated by seeds, cuttings and division. To propagate it from seeds, since they are somewhat rare if you don’t find them locally, buy online. Sow them indoors in early spring in a seed tray using well draining starting mix. Scatter the seeds over the surface of soil and lightly tamp them.

Where does parthenium grow?

Ragweed parthenium (a.k.a. parthenium weed, Santa Maria feverfew, congress grass, carrot weed, white top, etc.), a member of the Asteraceae (Compositae) family, is native to Mexico and Central and South America and is becoming an increasingly troublesome weed around the world (Figure 1).

How did carrot grass enter India?

Parthenium or carrot grass has become ubiquitous in occurrence and causes pollen allergy. Parthenium came into India as a contaminant with imported wheat.

Why parthenium is poisonous?

Parthenium hysterophorus invades disturbed land, including roadsides. It infests pastures and farmland, causing often disastrous loss of yield, as reflected in common names such as famine weed….

Parthenium hysterophorus
Tribe: Heliantheae
Genus: Parthenium
Species: P. hysterophorus
Binomial name

What do you spray parthenium with?

Recommended herbicides

Herbicide: Picloram + 2,4-D amine (Group I) (various trade names: see APVMA link)
Rates of dilution for spot spraying 1:1000
Amount of product/10L water 30mL
Rate of product/ha 3L/ha
Wetting agent dilution 1:400

Why Parthenium is poisonous?

Is Parthenium an alien species in India?

Unwelcome alien Parthenium hysterophorus, known as “Congress grass” in India, has spread to more than 40 tropical and subtropical countries, earning its place in the list of the world’s 100 worst invasive species.