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TC FFA Citrus Written
Written Questions for Citrus CDE
80
Agriculture
6th Grade
10/24/2013

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Cards

Term
China
Definition
Where was the sweet orange was developed?
Term
CTV
Citrus Greening
Leaf-miner
Definition
Name 3 problems in the citrus industry.
Term
1493
Definition
When did Christopher Columbus bring Citrus to America?
Term
Brazil
Definition
Who is the largest producer of citrus in the world?
Term
Molasses
Seed Oil
Dried Citrus Pulp
Definition
Name 3 Citrus by-products.
Term
Theoprastus
Definition
Who is the father of taxonomy?
Term
Nomenclature
Definition
What involves the proper and legal naming of a plant with rules set forth by the International Code of Botanical Nomenclature?
Term
Rutaceae
Definition
All citrus fall into the family of:
Term
Kumquat
Definition
9. Which of the following is described as a round or oval shaped fruit, less than 2 inches long with a sweet peel and mildly acidic pulp?
Term
Epicotyl
Definition
The primary shoot that emerges from the seed and becomes the trunk of the tree is known as the:
Term
Fall Harvest
Definition
Name 3 examples of major periods of fruit drop.
Term
Seedling trees were larger and more productive.
Definition
Budding wasn’t practiced much in Europe around the 16th century because:
Term
Merritt Island
Definition
The first recorded budded of a grove in Florida took place where?
Term
Where there can be multiple embryos with in a seed.
Definition
What is Nucellar embryony?
Term
Spain
Definition
Zephaniah Kingsley imported budding orange trees from ______________ in 1824.
Term
Nucellar Embryony
Definition
When there are multiple embryos within a seed it is called _____________.
Term
Thornier
Definition
Trees grown from seed are _____________ and require much more time to come into commercial production.
Term
Citrus Budwood Registration Program
Definition
__________________ provides budwood and rootstock seed that has been tested for viral diseases and trueness to type of cultivar.
Term
Clonally Grown
Definition
A tree with 2 or more types of foliage and/or fruit on the tree due to mutations is known as:
Term
Slide Budding
Definition
Which of the following in not a type of budding?
Term
Irrigation
Definition
What is the most popular form of cold protection?
Term
Fertilization
Definition
What represents 10-15% total cost of grove operation?
Term
Nitrogen
Definition
Which of the following elements is not provided by the environment?
Term
Macronutrients
Definition
Which nutrients are needed in large amounts?
Term
Iron
Definition
Which of the following is a micronutrient?
Term
7
Definition
What is the neutral point on the pH scale?
Term
5.5 to 6.5
Definition
What is the ideal range of pH?
Term
Lime
Definition
What is added to raise the pH of soil?
Term
Nitrogen
Definition
What does the N stand for in N-P-K?
Term
True
Definition
Trees make up more nitrogen in the summer than in the winter.
Term
early bearing
few or no throns
root system that is better adapted to soil conditions
uniform fruit season and quality
Definition
Budded citrus trees have what advantages over citrus trees planted by seed?
Term
Asexual reproduction
Definition
A clone or clonal variety is a form of
Term
True
Definition
Rootstocks for budding citrus varieties are practically always grown from seed.
Term
Compatibility with the scion
Nursery adaptability
Soil and Climate adaptability
Pest and Disease resistance
Definition
Rootstocks are chosen based on:
Term
True
Definition
The same rootstock may be superior for one scion variety under given environmental conditions and inferior in another.
Term
Tristeza
Definition
Sour orange rootstock was the most commonly used in the Florida Citrus Industry until it was found susceptible to :
Term
Choice of suitable stock
Selection of satisfactory budwood
Definition
Successful budding includes:
Term
2nd growth flush
Definition
When selecting budwood from a chosen tree, the budstick should come from the:
Term
Bacterial
Definition
Citrus canker is what type of pathogen?
Term
Psyllids
Definition
Citrus greening is transmitted by what insect?
Term
Increased land values
Definition
One of the major factors responsible for the declining planted citrus acreage in Florida during recent years is due to:
Term
Low labor costs
Definition
What is one of Brazil’s main advantages of citrus production (compared to the US)?
Term
True
Definition
Currently, Swingle rootstock is the most widely planted rootstock in Florida.
Term
The Orient
Definition
Citrus originated from
Term
True
Definition
The US is the 2nd largest citrus producing county in the world.
Term
True
Definition
Florida is the leading producer of grapefruits in the world.
Term
Early, Mid season, Late
Definition
The Florida Citrus Industry divides orange cultivars into the following categories:
Term
Budding
Definition
Nearly all of the citrus trees propagated in Florida are done so by:
Term
Inverted T bud
Definition
The most common form of budding in Florida is called the
Term
Multiple embryos per seed
Definition
The term nucellar embryony refers to the production of
Term
True
Definition
Plant produced from nucellar embryos are exactly like the parent plant since they have been formed vegetative-ly and not by sexual fertilization.
Term
Deep well drained soils
Definition
Citrus trees planted on the ‘ridge’ in Florida often grow taller and produce higher yields due to the area’s ________________________.
Term
28
Definition
Citrus fruit are first damaged when the temperature has fallen to ____ degrees and had stayed there for two to four hours.
Term
The United States Department of Agriculture
Definition
The standards for grades of Florida Citrus fruits are defined by
Term
Color break
Definition
What is the change of color that citrus fruit exhibits (a sign of maturity) called?
Term
Large
Definition
The fruit size of the navel orange is _____________________.
Term
True
Definition
Duncan is a type of grapefruit.
Term
28 degrees F
Definition
Freeze damage from low temperatures usually begins when the air temperature falls below:
Term
Adequate drainage
Definition
What one simple factor is most important in choosing soils for citrus planting?
Term
True
Definition
Early Citrus was planted in “clumps.”
Term
True
Definition
The scientific name for grapefruit is Citrus paradisi:
Term
Star Ruby
Definition
What cultivar was developed at Texas A & M from irridiated seeds?
Term
Northwest India
Definition
The true lemon originated in:
Term
Scion
Definition
The above ground portion of the budded citrus tree is referred to as the:
Term
10
Definition
It is desirable to apply about __________ gallons of water per tree at planting.
Term
True
Definition
When using herbicides one should avoid contact with the tree:
Term
70-75%
Definition
When planting a grove in the flatwoods, typically what percentage of the acreage can be used?
Term
Melanose
Definition
The fungal disease called ______________ spends part of its life cycle in dead citrus woods?
Term
Bermuda
Definition
_______________ is a type of common grass.
Term
True
Definition
Citrus canker is the only bacterial disease of citrus trees that have been found in Florida.
Term
Acid
Definition
Lemons and Limes are _______________ fruit.
Term
True
Definition
Citrus trees in home gardens are less likely to suffer from mineral element deficiencies than in commercial groves?
Term
True
Definition
Tropical regions are located between the equator and 23.5 degrees north and south latitude.
Term
FALSE
Definition
The most favorable soil pH for citrus on sandy soils is 6.0 – 7.5 or slightly basic.
Term
True
Definition
California and Arizona have a dry climate usually less than 10 inches of rain per year.
Term
False
Definition
Hamlins are the principle mid-season orange in Florida.
Term
True
Definition
In Florida, sour orange has been the preferred rootstock of low hammock and flatwood soils with fine texture and high water tables.
Term
100%
Definition
The Dancy tangerine reproduces true to type at what percent from seed unless a mutation occurs?
Term
W. T. Swingle
Definition
Carrizo citrange is an Intergenic Hybrid, developed by:
Term
6 times
Definition
During the first year the citrus tree should be fertilized:
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