7 Flashcards

1
Q

Alstroemeria hybrids are also knjown as the __________.

A

Princess Lily

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2
Q

Zantedeschia rehmannii, Z. elliotiana, Z. hybrids also known as __________.

A

Calla Lily

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3
Q

Iron deficiency, identified by blackening or interval chlorosis of young leaves, is the primary problem for plants growing in a low pH medium.

A

False

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4
Q

Seed-grown tubers generally produce __________ eyes, which means plants will have a __________ number of flowers and leaf sprouts.

A

More, higher

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5
Q

Most Callas sold today from the United States are three year old true seed hybrids.

A

False

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6
Q

Floriculture is defined literally as “_________________________” but includes florist shops, flower retailers, wholesale florists, production greenhouses and floral supply companies.

A

Culture of flowers

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7
Q

_______________ provides even faster seedling production than other hydration methods and results in 100% usable seedlings.

A

Pregermination

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8
Q

The _______________ point is the light intensity at which the plant is receiving as much light energy from the light during photosynthesis as it is during respiration.

A

Light compensation

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9
Q

Although general plant growth usually requires light with all wavelengths, __________ and __________ wavelengths result in the greatest plant growth response.

A

Red (700), blue (470)

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10
Q

The Italian Renaissance was significant during the _______________ centuries.

A

15th and 16th

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11
Q

The placement of three main flowers or branches signifies __________, __________, and __________.

A

Heaven, man, earth

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12
Q

Place cut Antirrhinum majus stems vertically as soon as possible after harvest; stems placed horizontally may begin to bend upward in as little as __________.

A

30 minutes

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13
Q

When the source of __________ is removed, the concentration of the __________ drops quickly, thereby releasing lateral branches from __________ dominance and allowing them to develop.

A

Auxin, hormone, apical

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14
Q

_______________ is similar to seed hydration except the process is allowed to progress further until the seed coat splits and the radical becomes visible.

A

Pregermination

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15
Q

_______________ is a technique used by seed suppliers to imbibe the seed and begin germination, but then stop the process before the radical (root) emerges.

A

Seed hydration

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16
Q

Stratification is the application of a moist chilling treatment of 32 to 50 F (0 to 10 C) to seeds.

A

True

17
Q

The __________ fuzzy fungal growth of Botrytis blight often begins with injured or necrotic areas and then infects healthy tissue.

A

Gray

18
Q

Measuring light requires the use of _____ factor(s).

A

3

19
Q

Light has _____ function(s) in plant growth.

A

Two

20
Q

Helianthus annus L. is the most commonly grown __________ species.

A

Sunflowers