wheat ear, cereal early stem elongation, beginning of stem elongation. bbch stage 30-31

yellow produce leaf food green plant flower insect invertebrate animal vegetable fruit petal dish hand tree wheat ear cereal early stem elongation beginning bbch stage 30-31 growth stages cereals secale cereale stage isolated cycle life growing ripe vector illustration developing maturation agricultural triticum white germinating drawing development biology life hordeum cereal plant growth crop agriculture farm grain organic nature leaf food field spring botanical ground seed sprout stem rural soil farmland grass green natural cultivation spike grow germination background