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HORT > 3. Plant Growth & Development > Flashcards

3. Plant Growth & Development Flashcards

(14 cards)

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1
Q

Biological yield

A

Total plant biomass

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2
Q

Economic yield

A

Harvested yield

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3
Q

What factors affect yield?

A

Co2, h2o, mineral nutrients, heat, light, law of minimum

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4
Q

Chemical energy: photosynthesis

A

Co2 + H2O > CH2O + O2

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5
Q

Chemical energy: Respiration

A

Ch2O + O2 > CO2 + H2O

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6
Q

What do high optimum temperatures favor

A

Photosynthesis (days)

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7
Q

What do low optimum temperatures favor?

A

Cell division & elongation (nights)

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8
Q

Growing Degree Days (GDD)

A

GDD = Tmax + Tmin /2 - Tbase

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9
Q

Major plant nutrients

A

Nitrogen, Carbon, Hydrogen, Oxygen, Phosphorus, Potassium, Sulfur, Calcium, Iron, Magnesium

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10
Q

Minor nutrients

A

Manganese, Zinc, Boron, Molybdenum, Chlorine, Copper

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11
Q

Primary nutrients

A

Nitrogen, phosphorus, potassium

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12
Q

Secondary nutrients

A

Calcium, magnesium, sulfur

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13
Q

Micronutrients

A

Boron, copper, manganese, iron, zinc, molybdenum

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14
Q

Vernalization

A

Cooling of a seed during germination in order to accelerate flowering

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HORT (6 decks)

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