Extreme heat during which stage of growth is most damaging to grain yields:
A. seedling emergence
B. pollination
C. hard dough to maturity
D. flag leaf - B. pollination
A major factor to consider in the selection of a variety of corn or soybean to plant on
your particular farm is:
A. hybrid lines
B. fertility requirements
C. water requirements
D. days to maturity - D. days to maturity
A major factor to consider in the selection of a variety of alfalfa for northern Montana is:
A. days to maturity
B. water requirements
C. winter hardiness
D. fertility requirements - C. winter hardiness
A raceme is considered a type of:
A. tiller
B. root structure
C. leaf collar
D. inflorescence - D. inflorescence
The standard test weight for a bushel of wheat is:
A. 60
B. 56
C. 50
D. 48 - A. 60
The apical stem on your canola crop has been slightly damaged by spray drift. It may
regrow from:
A. internodes
B. axillary buds
,C. radicle
D. cotyledons - B. axillary buds
Nutrients and food reserves are supplied a young pea plant during emergence by the:
A. radicle
B. cotyledons
C. unifoliates
D. trifloiates - B. cotyledons
Nitrogen fixation in peanuts occurs in specialized root structures called:
A. cotyledons
B. radicles
C. collars
D. nodules - D. nodules
If a wheat plant population density is low, the wheat plants will compensate by:
A. producing smaller heads
B. producing smaller seeds
C. tillering more
D. tillering less - C. tillering more
Example of plants that are pulses are:
A. barley, rye
B. peas, lentils
C. canola, flax
D. oats, rice - B. peas, lentils
The hilum of a bean seed is:
A. a thin shell covering the seed
B. where the radicle forms
C. where the first leaves form
D. where the seed is attached to the pod - D. where the seed is attached to the pod
An oat plant that is said to be in the "boot", is near:
A. heading out
B. maturity, harvest
C. soft dough stage of development
D. emerging from the soil - A. heading out
Durum is a type of wheat used in the production of:
,A. flour for breads
B. flour for pastry
C. flour for pasta
D. animal feeds - C. flour for pasta
An advantage of early planting of spring crops is:
A. avoid stress from high temperatures later
B. reduce excessive tillering
C. reduce lodging
D. develop a strong root system - A. avoid stress from high temperatures later
An advantage of seeding spring crops later is:
A. less disease near harvest time
B. more protein in the grain at harvest
C. better control of annual weeds before planting
D. less insect pressure - C. better control of annual weeds before planting
Lodging in grains tend to happen because of excess:
A. heat
B. potassium
C. nitrogen
D. plant population - C. nitrogen
The most common crop used in the production of malt is:
A. oats
B. barley
C. corn
D. rye - B. barley
Baling of alfalfa or grass hay (non-preservative) for storage should occur at:
A. 10-12% moisture
B. 17-19% moisture
C. 20-23% moisture
D. above 23% moisture - A. 10-12% moisture
The most damaging situation for alfalfa stand is to:
A. harvest at full bloom
B. harvest at 50% bloom
C. harvest at 10% bloom
, D. harvest pre bloom - D. harvest pre bloom
A key element in the formation of protein in hard red winter wheat is:
A.calcium
B. potassium
C. nitrogen
D. boron - C. nitrogen
Carrots raised for seed are examples of:
A. annuals
B. biennials
C. perennials
D. spring annuals - B. biennials
Which of the following plants has a trifoliolate leaf structure?
A. cucumbers
B. soybeans
C. peanut
D. sunflowers - B. soybeans
The following plant has a pinnate leaf structure:
A. cucumber
B. peanut
C. soybean
D. sunflower - B. peanut
Many noxious weeds and perennial grasses reproduce by seed as well as underground
structures called:
A. rhizomes
B. stolons
C. brace roots
D. haplocorms - A. rhizomes
Coleoptile length of a plant is useful to determine:
A. maturity
B. winter hardiness
C. planting depth
D. row spacing - C. planting depth
In the production of hay, the single most important factor that determines quality is:
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