LPH Citrus Knowledge Quiz 2014

Which of the following statements best describes Florida’s climate?

• Florida has an arid subtropical climate.

• Florida has a dry tropical climate.

• Florida has a humid subtropical climate.

• Florida has a wet tropical climate.

Optimum growth of citrus in Florida occurs at:

• 55-100 degrees Fahrenheit

• 80-90 degrees Fahrenheit

• 35-50 degrees Fahrenheit

• Over 100 degrees Fahrenheit

Which of the following varieties of citrus is most cold hardy?

• Calamondin

• Grapefruit

• Sweet Orange

• Trifoliate Orange

A budded citrus tree in Florida usually contains:

• A scion

• A rootstock

• Both a scion and a rootstock

• Neither a scion nor a rootstock

Regreening is most likely to occur on Valencia oranges grown in Florida after:

• February

• March

• April

• May

To be classified as a “seedless” orange, the fruit must contain:

• 0 seeds

• Less than 6 seeds

• Less than 60 seeds

• Less than 100 seeds

The principal early season sweet orange grown in Florida is the:

• Hamlin

• Pineapple

• Valencia

• Marsh Seedless

Temples and Murcotts are examples of:

• Tangors

• Tangelos

• Mandarins

• Sweet Oranges

Which of the following rootstocks has been most widely used since 2003?

• Swingle

• Carrizo

• Cleopatra

• Smooth Flat Seville

Since the implementation of the Citrus Nursery Stock Certification Program, young citrus trees are now required to be grown in:

• Texas and Arizona.

• Sandy soil field conditions located near commercial groves.

• California and New Mexico.

• Approved greenhouses located at least one mile from commercial citrus groves.