Fruit science
T or F: Apples are native to turkey and russia
T
T or F: Asia is the leading global fruit supplier
T
T or F: fruit is 70-90% water
T
What is not considered a fruit crop?
Watermelons
What are the king and queen of tropical fruits?
durian and mangosteen
What is cross compatible?
fruit crops requiring genetically distinct pollen for fertilization
What is fertilization?
fusion of male and female gametes to form a zygote
almost all fruit trees are __________ or budded
grafted
Grapes are the ________ produced fruit in the US
most
Antioxidants
neutralize free radicals, lower risks of heart + neurological disease and cancer
Tropical fruits can handle _____ amount of frost
no
What is a violative sample?
one sample containing even a trace amount of a pesticide not registered for that crop or the amount of legally registered pesticide above the crop tolerance
What is a fruit?
part of a flowering plant that comes from specific tissues of the flower. One or more ovaries and accessory tissues
Fruits that set and mature without seeds are ___________
parthenocarpic
kiwifuit, passionfruit, and citrus fruits are all types of __________ fruits
subtropical
stone fruits and berries are what kind of fruit?
temperate
What is NOT a characteristic of fruit crops?
woody
Define a fruit crop
A perennial, edible crop where the economic product is the true botanical fruit
What is an example of a temperate fruit?
Peach
What is pollenation?
the transfer of pollen grains from the male part of the plant (anther or stamen) to the female part of the plant (stigma)
Which fruits are native to north america?
Blueberry and cranberry
What is the leading fruit producing state
California, 51%
What kind of period do temperate fruits need to make a satisfactory crop?
Cold season
T or F: high humidity and high rainfall contribute to low disease pressure
F
T or F: grapes and watermelons are naturally seedless
F, they are seedless by breeding
what do growth regulators do?
Prevent abscission of fruitlets and cause fruit tissue to grow
The fruits we study are part of what family?
Rosaceae
___________________-_____________ species set more than enough fruit when pollinated b themselves
Self-pollinating