2015 Citrus State Exam

History indicates that most citrus varieties originated in China and Indochina. However, it is believed that Micro-citrus and Eremocitrus originated in:

• Saigon

• Spain

• Australia

• United States

How many pounds of oranges does a standard Florida Field box contain?

• 85

• 90

• 60

• 120

Who is known as the "Father of Botany"?

• Theophrastus

• Alexander the Great

• Vasco de Gama

• Michael Angelo

The vector of Citrus Greening (HLB) is the:

• Texas Citrus Mite

• Caribbean Fruit Fly

• Asian Fruit Fly

• Asian Citrus Psyllid

The scientific name of the sweet orange is:

• Citrus sinensis

• Citrus aurantium

• Citrus trifloiata

• Citrus cleopatra

Nagami, Marumi, and Meiwa are examples of:

• Lemons

• Grapefruit

• Kumquats

• Sweet oranges

The ideal temperature for germination of citrus seeds is:

• 65 to 75 degrees Fahrenheit

• 85 to 95 degrees Fahrenheit

• Above 95 degrees Fahrenheit

• 75 to 85 degrees Fahrenheit

Most citrus trees today consist of a two-part tree. The parts are:

• Scion and Rootstock

• Trunk and Leaves

• Roots and Fruit

• Seeds and Flowers

The Smooth Flat Seville is an example of a :

• Grapefruit rootstock

• Sweet orange rootstock

• Sour Orange rootstock

• Tangerine rootstock

Why was Florida Citrus been more often affected by freezes than california?

• Florida is located at a more northern latitude than California

• Most cold fronts originate in Canada and move south

• The Pacific Ocean is colder than the Atlantic Ocean

• California citrus are more cold hardy