LOUISIANA LANDSCAPE HORTICULTURE A-M ACTUAL
2025/2026 QUESTIONS AND VERIFIED ANSWERS
Crop Rotation -----Answers_---Practice employed by
both gardeners and farmers for maintaining the good
condition of a given section of soil by alternate planting
of different crops. Such planting also helps to
discourage insects which thrive on a given crop or
diseases indigenous to a certain kind of plant.
Crown -----Answers_---The part of the plant where
the stem and root join.
Cultivar -----Answers_---A term meaning cultivated
variety now used in place of the word variety. The
cultivar designates a special group of plants. Cultivars
may differ in growth habit, season of maturity, fruit
color, fruit shape, etc.
Culture -----Answers_---A specialized activity used in
growing plants. (e.g. pruning, watering, cultivation)
Cutting (or slip) -----Answers_---Asexual propagation
of plants; propogated by breaking breaking or cutting
off a portion of a branch or root and planting it in soil or
,water so that it can grow roots and in time become a
plant exactly like the parent.
Cutting height -----Answers_---In mowing lawns, the
measurement from grass clipped to soil line.
Damping Off -----Answers_---A fungus that causes
seedlings to die immediately before or just after they
break through the soil. Careful watering, good drainage
and sterilizing seed bed soil help in preventing damping
off.
Day-neutral -----Answers_---A term applied to plants
which are not affected by the relative length of dark and
light periods.
Deciduos -----Answers_---Plants that shed all their
leaves at the end of the growing season and remain
leafless during the winter or dormant period.
Deep Rooted -----Answers_---Plants with deeply
growing roots as contrasted with roots growing on or
close to the soil surface.
, Determinate Tomato -----Answers_---Terminal bud
sets fruit, stops stem growth. The plant is self topping.
Seldom needs staking.
Dethatching -----Answers_---Removal of the thatch
layer of turf by machine, garden rake, or dethatching
rake to increase air flow and penetration of fertilizers
and water.
Dew -----Answers_---Condensed moisture from the
atmosphere adhering in the form of small drops to any
cool surface.
Dew Point -----Answers_---A temperature point below
which moisture in the atmosphere is condensed into
small drops.
Diameter Breast Heigh -----Answers_---Term used in
measuring a tree caliper; the caliper is measured four
foot six inches above the ground line.
Dibble -----Answers_---A handled, pointed tool for
making holes in the soil for planting seeds, bulbs,
transplanting, etc.
2025/2026 QUESTIONS AND VERIFIED ANSWERS
Crop Rotation -----Answers_---Practice employed by
both gardeners and farmers for maintaining the good
condition of a given section of soil by alternate planting
of different crops. Such planting also helps to
discourage insects which thrive on a given crop or
diseases indigenous to a certain kind of plant.
Crown -----Answers_---The part of the plant where
the stem and root join.
Cultivar -----Answers_---A term meaning cultivated
variety now used in place of the word variety. The
cultivar designates a special group of plants. Cultivars
may differ in growth habit, season of maturity, fruit
color, fruit shape, etc.
Culture -----Answers_---A specialized activity used in
growing plants. (e.g. pruning, watering, cultivation)
Cutting (or slip) -----Answers_---Asexual propagation
of plants; propogated by breaking breaking or cutting
off a portion of a branch or root and planting it in soil or
,water so that it can grow roots and in time become a
plant exactly like the parent.
Cutting height -----Answers_---In mowing lawns, the
measurement from grass clipped to soil line.
Damping Off -----Answers_---A fungus that causes
seedlings to die immediately before or just after they
break through the soil. Careful watering, good drainage
and sterilizing seed bed soil help in preventing damping
off.
Day-neutral -----Answers_---A term applied to plants
which are not affected by the relative length of dark and
light periods.
Deciduos -----Answers_---Plants that shed all their
leaves at the end of the growing season and remain
leafless during the winter or dormant period.
Deep Rooted -----Answers_---Plants with deeply
growing roots as contrasted with roots growing on or
close to the soil surface.
, Determinate Tomato -----Answers_---Terminal bud
sets fruit, stops stem growth. The plant is self topping.
Seldom needs staking.
Dethatching -----Answers_---Removal of the thatch
layer of turf by machine, garden rake, or dethatching
rake to increase air flow and penetration of fertilizers
and water.
Dew -----Answers_---Condensed moisture from the
atmosphere adhering in the form of small drops to any
cool surface.
Dew Point -----Answers_---A temperature point below
which moisture in the atmosphere is condensed into
small drops.
Diameter Breast Heigh -----Answers_---Term used in
measuring a tree caliper; the caliper is measured four
foot six inches above the ground line.
Dibble -----Answers_---A handled, pointed tool for
making holes in the soil for planting seeds, bulbs,
transplanting, etc.
