Note: The rotation down of the ear belongs to the ripening of wheat, rye and barley and similar or derived crop totally inseparable, it is a phenomenon in which (probably) both participates continuous greater mechanical stress near the stem connecting the ear, both natural morphological changes during maturation.
Kumbuka: mzunguko wa sikio chini Ni mali ya uvunaji wa shayiri ngano, na shayiri na mazao Sawa au derived kabisa isiyoweza kutengwa, ni uzushi katika Ambayo (pengine) wote Greater alivyoshiriki kuendelea mitambo stress karibu shina kuunganisha sikio, wote asili maumbile mabadiliko Wakati maturation.