Lecture 2 - Crop Science Flashcards

1
Q

Any organism belonging to the Kingdom Plantae, typically lacking of active
locomotion or obvious nervous system or sensory organs and has photosynthetic ability.

A

Plant

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2
Q

Domesticated/cultivated plants grown for profit, human food, or animal feed.

A

Crop

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3
Q

Two groups of science practitioners?

A

theoretical, academic, or basic scientist and applied scientist

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4
Q

How do we identify/classify plants? (1/3)

Taxonomic classification based on ___________ and other markers

A

morphology

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5
Q

How do we identify/classify plants? (2/3)

___________-based on environmental adaptation, growth habit, other observable features

A

descriptive

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6
Q

How do we identify/classify plants? (3/3)

classification based on _________ relationship

A

phylogenetic

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7
Q

5 agricultural classification

A

useful vs not useful, vary from place to place, differences in the primary usage, intensity of care, extent of cultivation

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8
Q

What is the most important and commonly used method of classifying plants which is based on descent or phylogenetic relationship of plants?

A

botanical method

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9
Q

Approximately more than __________ plant species have already been identified.

A

300,000

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10
Q

What is the study of plant classification?

A

taxonomy

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11
Q

True or False. Taxonomy is dynamic and changes as new knowledge becomes available.

A

True

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12
Q

Four divisions of phyla of the plant kingdom has been identified by ____________ in 1833.

A

Eichler

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13
Q

Four divisions of phyla of the plant kingdom identified by Eichler have since been expanded by modern taxonomists to ____ divisions

A

28

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14
Q

(1/4) Phyla including algae, bacteria, and fungi?

A

thallophyta

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15
Q

(2/4) Phyla including small green plants without true roots or flowers e.g. mosses?

A

bryophyta

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16
Q

(3/4) Phyla including green plants with vascular tissue, true roots, and usually distinct leaves e.g. psilophytes, club mosses, horsetails, ferns?

A

pteridophyta

17
Q

(4/4) Phyla including all seed-bearing plants that bear true flowers?

A

spermatophyta

18
Q

The spermatophyta division is subdivided into 2 groups:

A

gymnosperms, angiosperms

19
Q

Spermatophyta subdivision that include all plants with naked seeds e.g. pine trees?

A

gymnosperms

20
Q

Spermatophyta subdivision that include plants with seed enclosed in a vessel?

A

angiosperms

21
Q

Angiosperms are further divided into 2 classes called:

A

monocotyledon, dicotyledon

22
Q

6 Classification of Crops

A

manner of culture, use, climatic requirement, mode of reproduction, length of life cycle, habitat

23
Q

Vegetable Family classification:

any of several brassicas (as broccoli, kale, brussels sprouts, cabbage, cauliflower, and kohlrabi) derived from the same wild cabbage (Brassica oleracea)

A

cole crops or crucifers

23
Q

Vegetable Family Classification:

consist of squash, pumpkin, zucchini, and gourds

A

cucurbits

23
Q

Broccoli, kale, brussels sprouts, cabbage, cauliflower are all derived from the same wild cabbage called?

A

Brassica oleracea

24
Q

In contrast to Cucurbita, this genera consists mostly of inedible gourds

A

Lagenaria

25
Q

Vegetable Family classification:

refers to the plants whose fruit is enclosed in a pod.

A

legumes

25
Q

In a legume, this refers only to the dried seed

A

pulse

26
Q

Solanaceous includes several fruits of the family:

A

Solanaceae

27
Q

Solanaceae consists of the 3 genera:

A

Solanum, Capsicum, Lycopersicon

28
Q

any of a genus of erect perennial leafy-stemmed bulbous herbs

A

lilies

29
Q

Vegetable family classification:

Lilies include any of a genus __________ of the family ___________.

A

Lilium, Liliaceae

30
Q

Special purpose classification:

crops (usually legumes) grown for a specific period and then plowed under and incorporated into the soil to improve soil fertility

A

green manure

31
Q

Special purpose classification:

fast-growing crops grown simultaneously with or between successive plantings of a main crop

A

catch

32
Q

Special purpose classification:

crop grown primarily to provide ground cover to improve soil properties, control erosion and or control weeds

A

cover

33
Q

Special purpose classification:

a crop planted in proximity to another due to the benefits it confer to the other plant (insect-repelling qualities)

A

companion

34
Q

Special purpose classification:

a plant grown to protect the main crop from biotic and abiotic factors

A

trap

35
Q

Special purpose classification:

forage crops which are cut when green and succulent and are fed to livestock without curing

A

soilage

36
Q

Special purpose classification:

crops harvested, processed and stored in succulent condition for feeds to livestock

A

silage