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Triticum compactum

Triticum compactum or club wheat is a species of wheat adapted to low-humidity growing conditions. T. compactum is similar enough to common wheat that it is often considered a subspecies, T. aestivum compactum. It can be distinguished by its more compact ear due to shorter rachis segments, giving it its common name. In the United States of America, nearly all T. compactum is grown in dry areas of the Pacific Northwest.

History
Middle East and Europe The oldest primitive forms of T. compactum appear to have first arisen, along with similar wheats, in Neolithic Syria. From Syria T. compactum spread to Europe and was considered to be the oldest wheat species cultivated in Europe until the 1940s when older tetraploid varieties of wheat were identified. T. compactum appears in Europe for the first time during the Neolithic Era reaching as far as Spain by 4600 BC. Evidence of T. compactum in Portugal and France demonstrates that the Romans cultivated T. compactum on the Iberian peninsula during the first and second centuries BCE. Evidence of T. compactum found along with barley in an east Finnish settlement reveals that T. compactum was cultivated in Finland starting between fifth and seventh centuries AD. North America T. compactum was believed to have been introduced to North America from Chile by Pacific shipping routes during the 1960s and 1970s. However analysis of adobe bricks in San Antonio, San Fernando, Soledad, San José, San Juan Bautista and Sonoma missions revealed that T. compactum was present in California by the year 1787 and was likely introduced by Spaniards through Mexico.T. compactum was farmed extensively during the beginning of California's agricultural history. Data even suggests that T. compactum was farmed more than the related T. aestivum during this time. T. compactum erinaceum, also called California Club Wheat, was a bearded, hairy rachis, red-chaffed subspecies of T. compactum that is thought to have disappeared before 1822. As production of American wheat drastically increased during the early twentieth century T. aestivum rose in popularity surpassing T. compactum. Today most T. compactum is grown alongside T. aestivum because of their similar nature. ==Morphology==
Morphology
T. compactum is small free-threshing club wheat with rounded grains. In T. compactum, like other bread and club wheats, there is a keel on the upper section of the otherwise flat glume. T. compactum characteristically has a smaller, crooked crease than other species of wheat and smaller cheek size at the brush end. ==Identification==
Identification
T. compactum is identifiable from T. aestivum mainly by its shorter rachis segments and compact ear for which it is named. }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} Fossilized specimen Most ancient T. compactum was cultivated between the Neolithic era and the Bronze Age and thus the most common evidence of ancient T. compactum is carbonized. Although carbonized wheat may often resemble its unfossilized counterpart and can often be identified with the same methods described above it is sometimes difficult to distinguish carbonized wheat this way due to a damaged or incomplete specimen. As a general rule, if a naked wheat, wheat with round grains and irregularly broken rachis forming internodes, is uncovered in a European site, excluding all sites on the Italian or Balkan peninsulas, it should be considered a hexaploid club wheat (either T. aestivum or T. compactum ). If such wheat has short internodes it should be identified as T. compactum. ==Agronomy==
Agronomy
In the northern hemisphere Triticum compactum generally flowers during the months of June and July with its seeds ripening in August and September. Triticum compactum is an annual plant growing to heights of approximately 0.6 meters in the summer and dying in the winter. ==References==
Source: Wikipedia ↗
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