What is the scientific name of common wheat?
Common wheat is scientifically known as Triticum aestivum. This species accounts for approximately 95 percent of all wheat produced globally as of 2009.
Questions about Common wheat
Short answers, pulled from the story.
How did common wheat develop its six sets of chromosomes?
Common wheat developed its six sets of chromosomes through ancient hybridization events that fused the genomes of three different wild grasses. Four chromosome sets were inherited from emmer wheat while the remaining two sets were contributed by the wild goatgrass Aegilops tauschii.
When did common wheat first reach North America?
Common wheat first reached North America with Spanish missions in the 16th century. It was not until the colonization of the prairies in the 1870s that North America emerged as a major exporter of grain.
Why did Norman Borlaug introduce dwarfing genes into common wheat?
Norman Borlaug introduced dwarfing genes from Norin 10 cultivars to create plants with short stems that could support heavy grain heads without lodging. This modification allowed the application of high levels of chemical fertilizers without the stems collapsing under the weight of the grain.
What is the difference between common wheat and compact wheats?
Compact wheats such as club wheat known as Triticum compactum feature a much more compact ear with shorter rachis segments. These varieties have spikelets packed closer together creating a dense head of grain that looks distinct from the standard bread wheat.