Lecture 2 - Crop Science

Question 1

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

Answer 1

Plant

Question 2

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

Answer 2

Crop

Question 3

Two groups of science practitioners?

Answer 3

theoretical, academic, or basic scientist and applied scientist

Question 4

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

Taxonomic classification based on ___________ and other markers

Answer 4

morphology

Question 5

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

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

Answer 5

descriptive

Question 6

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

classification based on _________ relationship

Answer 6

phylogenetic

Question 7

5 agricultural classification

Answer 7

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

Question 8

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

Answer 8

botanical method

Question 9

Approximately more than __________ plant species have already been identified.

Answer 9

300,000

Question 10

What is the study of plant classification?

Answer 10

taxonomy

Question 11

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

Answer 11

True

Question 12

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

Answer 12

Eichler

Question 13

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

Answer 13

28

Question 14

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

Answer 14

thallophyta

Question 15

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

Answer 15

bryophyta

Question 16

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

Answer 16

pteridophyta

Question 17

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

Answer 17

spermatophyta

Question 18

The spermatophyta division is subdivided into 2 groups:

Answer 18

gymnosperms, angiosperms

Question 19

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

Answer 19

gymnosperms

Question 20

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

Answer 20

angiosperms

Question 21

Angiosperms are further divided into 2 classes called:

Answer 21

monocotyledon, dicotyledon

Question 22

6 Classification of Crops

Answer 22

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

Question 23

Vegetable Family classification:

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

Answer 23

cole crops or crucifers

Question 23

Vegetable Family Classification:

consist of squash, pumpkin, zucchini, and gourds

Answer 23

cucurbits

Question 23

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

Answer 23

Brassica oleracea

Question 24

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

Answer 24

Lagenaria

Question 25

Vegetable Family classification: refers to the plants whose fruit is enclosed in a pod.

Answer 25

legumes

Question 25

In a legume, this refers only to the dried seed

Answer 25

pulse

Question 26

Solanaceous includes several fruits of the family:

Answer 26

Solanaceae

Question 27

Solanaceae consists of the 3 genera:

Answer 27

Solanum, Capsicum, Lycopersicon

Question 28

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

Answer 28

lilies

Question 29

Vegetable family classification: Lilies include any of a genus __________ of the family ___________.

Answer 29

Lilium, Liliaceae

Question 30

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

Answer 30

green manure

Question 31

Special purpose classification: fast-growing crops grown simultaneously with or between successive plantings of a main crop

Answer 31

catch

Question 32

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

Answer 32

cover

Question 33

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

Answer 33

companion

Question 34

Special purpose classification: a plant grown to protect the main crop from biotic and abiotic factors

Answer 34

trap

Question 35

Special purpose classification: forage crops which are cut when green and succulent and are fed to livestock without curing

Answer 35

soilage

Question 36

Special purpose classification: crops harvested, processed and stored in succulent condition for feeds to livestock

Answer 36

silage