Study of establishment, growth

Study of interaction and relationship

the numbers and implications

Largest reservoir of seed

The process of initiating growth in seeds

A resting stage

Length of seed buried

Conducted in Michigan 1804-197/

Plants produces toxins

Study of weeds and their control

Particularly undesirable

Grass stem are called

Leaves arise alternately in two rows

Narrow elongated season

Shorter but wider leaves

One that mature in one growing season

Mature more than one growing season

Reproduce by means of seeds and propagules

Reproduce by means of vegetative propagules

Modified underground stem with buds

Modified aboveground stem that creep and roots at the aide

Short thickened underground stem

A baby plan, arise from the mother plant

Horizontal shoots, ex. Itch grass

Lying along the ground, along surface

Rigidly upright or straight

Sloping or leading upward

Stem that grow horizontally

Capable of climbing

Grow well in lowland, moist soul

Grow well in upland, drier soil