Development of maize - 6 specimens sunk into the material

MACHINE TRANSLATION (not authorised yet)

In the transparent plastic block there are 6 natural specimens showing the stages of growth and development of maize:

1 - grain

2 - germination (primary root and coleoptile)

3-5 - growth of the leaf capsule (coloptile) and leaf

6 - young plant

Block packaged in a bubble pocket and placed in a lockable cardboard box. Teaching aid dimensions: 16.5 x 7.7 x 1.8 cm.