Drug Plants Under CultivationStockberger, W. W. (Warner Webster)
Science
Drug Plants Under Cultivation
Stockberger, W. W. (Warner Webster)
Botany, Medical; Medicinal plants -- Culture -- United States
In the South wormseed has been grown successfully as a seed crop.
The ground is prepared in February and laid off in rows about 4 feet
apart. A furrow is opened in each row, in which a complete fertilizer
is applied at the rate of 400 to 500 pounds per acre. The soil on each
side of the row is thrown in with a turnplow, forming a low ridge,
which is then flattened with a light roller. The seeds are sown on this
ridge with a drill. The plants are thinned to stand 18 inches apart in
the row and are given frequent shallow cultivation.
The crop should be ready for harvesting late in July or early in August
and should be cut before the tops begin to take on a brown color. The
plants are cut either with a mower or old-style grain reaper and are
left in the field until thoroughly dry. They may be housed and the seed
thrashed out when convenient, but, since the seeds shatter easily,
waste will be avoided if the plants are thrown upon large canvas
sheets and the seed thrashed out in the field. The seed is light and
not easily cleaned, but wire sieves of suitable mesh have proved very
satisfactory for this purpose.
The yield of seed per acre averages about 1,000 pounds. The yield of
oil varies, but under favorable conditions about 40 pounds per acre
is regarded as a fair average. The area planted varies according to
the price of the oil and may range from 175 to 450 acres. The average
annual production of oil is estimated by producers to be 10,000 to
12,000 pounds.
The prewar price of wormseed ranged from 6 to 8 cents a pound. The
price in June, 1920, was about 15 cents a pound. The prewar price of
the oil ranged from $1.40 to $5.50 a pound. The price in June, 1920,
was $9 to $9.50 a pound.
WORMWOOD.
Wormwood (_Artemisia absinthium_) is a hardy herbaceous Old World
perennial of the aster family, which has escaped from cultivation
in this country and now occurs as a weed in many localities in the
southern part of the United States. For many years it has been grown
commercially on a small scale, chiefly in Michigan and Wisconsin. The
dried leaves and tops have long been used medicinally, but the volatile
oil distilled from the plant now forms the principal marketable product.
Public-domain text, read in full here on John Shaqi.
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