Relatives

Secale segetale (Zhuk.) Roshev. - Weed-field Rye.

Synonyms:

Secale cereale subsp. segetale Zhuk., Secale cereale subsp. vavilovii (Grossh.) Kobyl.

Taxonomical position.

Family Poaceae Benth. Genera Secale L..

Morphology and biology.

Annual cereal. A stalk of height (30) 65-170 cm, under an ear tomentous, less often naked, usually hollow. Leaves of width of 2-4 mm, flat, grey. An ear in a different degree fragile, 6-12 cm of length. Spikelet scales smooth, occasionally finely tomentous, terminate by awn-shaped shoot. External floral scales smooth or tomentous, across Kiel crested jagged, terminating with rough anws 2-5 cm of length. Anemophilous. Blossoms in June-August. 2n=14.

Distribution.

Caucasus, Central Asia; Asia Minor, the Near East, Iran, Afghanistan.

Ecology.

Weed in crops of wheat and barley, along fields and roads.

Use and economic value.

Weed in crops of grain crops.

The literature:

Grossheim A.A. Flora of Caucasus. V.2. Polypodiaceae - Gramineae. - Baku, Publishing house AzFaN, 1939. - 587 p.
Cultural flora of the USSR. V.2, p.1. Rye / Ed. V.D.Kobyljanskiy. - L.: "Agropromizdat", 1989. - 368 p.
Tzvelev N.N. Cereals of the USSR. - L., "Nauka", 1976. - 788 p.

© Malyshev L.L.

Photos - © Dzjubenko E.A.
 

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