Comparison of germination rate and root seed establishment for Ipomoea purpurea and Ipomoea x leucantha (Convolvulaceae)

Germination and establishment of the root seed of two weeds (Ipomoca purpur ea and Ipomoea x leucantha) were compared. During germination fresh weight, dry weight, length stem height vegetative form, length and width of the fi rst three leaves and petiole were determined. The results show that for the parameters studied Ipomoea purpurea has the highest values, the difference s being statistically significant. The results show that germination and po stgermination of the seed and establishment of the plant of Ipomoca purpure a is more efficient. Ipomoea purpurea seeds have a greater mass, longer roo t, the vegetative form but outpost and establishes a leaf area in shorter t ime.