Many thanks Gurcharan ji, for this very useful information and for showing the plant. Regards. Dinesh
On Tue, Jun 19, 2012 at 5:13 PM, Gurcharan Singh <[email protected]> wrote: > Our common wheat plant Triticum aestivum has a complicated history of > origin. In the first step diploid Triticum urartu (till recently considered > under T. monococcum) hybridized with possibly Aegilops speltoides and > subsequent duplication of chromosomes to yield tetraploid wild emer wheat > Triticum dicoccoides. Latter hybridized again with diploid Aegilops > tauschii, another duplication of chromosomes to yield hexaploid Triticum > aestivum that fills the bellies of people all over the world. I was > fortunate to click this immediate progenitor of wheat growing commonly in > Dachhigam forest. > > *Aegilops tauschii* Coss., Notes pl. crit. 69. 1850 ("1849") > syn: *Triticum tauschii* (Coss.) Schmalh.; *Aegilops squarrosa* auct. > (non L.) > > Common names: Rough spike hard grass, Tausch's goat grass > > Tufted annual grass usually less than 40 cm tall, erect or ascending; > leaves up to 15 cm long, 3-5 mm broad, sparsely hairy; spike terminal, > compact, up to 12 cm long with usually 7-10 spikelets; glumes 4-6 mm long, > leathery with truncate or slightly toothed apex, enclosing 3-5 florets; > > > > > -- > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > Phone: 011-25518297 Mob: 9810359089 > http://www.gurcharanfamily.com/ > http://people.du.ac.in/~singhg45/ > >
