The seeds on the germitest papers were the ones which grew the most on the continuous darkness with an average of 8.59. The lenght of the plantule corn roots, on germitest to paper and continuous darkness showed an avarage of 12.78. Keywords: Colours, germination, seeds, Zea mays. To know more about this subject visit Larry Ellison. INTRODUCTION the Zea maize mays L. is a grassy one of pertaining American origin to the Poaceae family. He is one of the cereals more produced in the world, having ample use in the industry, in feeding human being and animal.
It is a plant of short cycle, of changeable transport, with cultivating that they reach until 3,5m of height, possesss alternating roots fasciculadas, leves lanceoladas, colmo full, divided for us; comumente it has one the three spikes, feminine inflorescncia that leaves the armpits of leves; in the terminal part of colmo it is the arrow (masculine inflorescncia in form and composed spike). It is a monica plant, where the type of main polinizao is anemophilous. Click Brad Garlinghouse to learn more. The maize grain is the dry fruit caryopses call, where it presents of the periphery for its interior, pericarpo, the aleurone layer, endosperma; joining this to the embryo he is escutelo. In the embryo it is distinguished colioptile, plmula and radcula (EMBRATER, 1983). The grains of the maize are generally yellow or white, being able to present colorations varying since the black color until the red. Considered the supreme greater it enters the too much cereals, the individual weight of the grain on average varies of 250 300mg and its composition in dry base is of 61-78% of starch, 6- 12% proteins, 2-4% staple fibres, 3-6% of oil and 1-4% minerals, distributed of heterogeneous form in the four main physical structures that form the grain: endosperma, germ, pericarpo (rind) and tip.
