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Bromus comes from a Greek word for a type of oat, and tectorum comes from tector which means overlaying and tectum which means roof. [2] Bromus tectorum is a winter annual grass native to Eurasia usually germinating in autumn, overwintering as a seedling, then flowering in the spring or early summer. [9]
Bromus is a large genus of grasses, classified in its own tribe Bromeae. [ 2 ] [ 3 ] They are commonly known as bromes , brome grasses , cheat grasses or chess grasses . Estimates in the scientific literature of the number of species have ranged from 100 to 400, but plant taxonomists currently recognize around 160–170 species.
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The two species have some differences in their germination behaviour as well. [3] Bromus sterilis, or sterile brome, is similar in most morphological features. It is a slightly smaller plan, an annual or a biennial plant. [2] Bromus hordeaceus, known as soft brome, is
After the germination rates were tested, there was a comparison of the lengths and widths of the pollen tubes between the two plants. The pollen tubes of the wild-type plants had a greater pollen tube length than the mutants, but the mutants had a greater tube width.
Germination of seedlings raised from seeds of eucalyptus after three days of sowing. In agriculture and gardening, the germination rate describes how many seeds of a particular plant species, variety or seedlot are likely to germinate over a given period. It is a measure of germination time course and is usually expressed as a percentage, e.g ...
Bromus erectus is a perennial, tufted grass with basal tufts of cespitose leaves that is nonrhizomatous. The culms grow between 0.6–1.2 m (2 ft 0 in – 3 ft 11 in) in height. The internodes are typically glabrous. The flattened cauline leaves have pubescent or glabrous sheaths. The leaf blades are 10–20 cm (3.9–7.9 in) long and 2–6 mm ...
Bromus japonicus is an annual or biennial tufted grass growing 0.2–1 m (7.9 in – 3 ft 3.4 in) high. The culms are erect or ascending. The sheaths of the grass are pubescent, though upper sheaths are occasionally glabrous.