Exam 1 Fill/Short Answer

development of tall, weak stems due to low light or excessive plant population

biomass left after sugarcane or sorghum stalks are crushed to extract their juice for sugar or ethanol production

corn or sorghum forage preserved in moist condition (60-70%) by partial fermentation                      

dry stalks of corn or sorghum after the grain has been harvested (often grazed, but has potential use for cellulosic ethanol)

food staple crop that produces tubers;  propagated by planting cut-up pieces of the tubers, rather than planting seed         

crop with “picker” and “stripper” types which differ in amount of stem branching to match different machines used for harvest

root epidermal cells with projections of the cell wall that are the primary sites of water and nutrient absorption from the soil

the pair of cells that form the stomata in the epidermis of the plant leaf         

cells that transport sugars in the vascular system of roots and stems         

tropical root crop high in starch but low in protein; grown in tropical areas as a major world food staple; consumed in the US primarily as tapioca

cereal crop that grows in water but gets oxygen for roots by transporting air through its hollow stems and open spaces in its roots

specialized beverage crop in which the flowers are used for flavor enhancement in the brewing of beer

an upright shoot which develops from a crown bud of a grass plant

the process of placing fertilizer near the seed at planting so it will be more available to seedling roots (usually fertilizer high in phosphorus)

Most of the growth in height of grass stems is due to the activity of _____________ meristems located within the stem nodes

Diff btwn sexual repro n plants compared to animals that plants exhibit double fertilization the formation both the __ (2N) from union of 1 sperm w/the egg nd the __ (3N) by the separate union of another sperm w/2 polar nuclei n the egg sac