Lecture 16 - Tropical Fruit and Mango

Question 1

what species of fruit dominate 89% of the market

Answer 1

citrus, banana/plantains, mangos, pineapple

Question 2

what percent of the market does exotic fruits like durian, breadfruit, guava, etc hold

Answer 2

6%

Question 3

where is most tropical fruit consumed and why

Answer 3

most is consumed locally because they are highly perishable

Question 4

limiting factors of tropical fruit production

Answer 4

labor intensive, most perishable in short period, packing/transport are expensive

Question 5

average value of tropical fruit

Answer 5

high value crops
average value per ton is $870

Question 6

t/f: tropical fruit are mostly perennial crops

Answer 6

t

Question 7

mango scientific name and family

Answer 7

Mangifera indica
family is anacardiaceae

Question 8

origin of mango

Answer 8

indo-burma region

Question 9

what region produces the most mango

Answer 9

Asia (india, china, thailand)

Question 10

temperature limitations of mango

Answer 10

best growth between 25-30C. High and low temps hurt fruit and tree

Question 11

best soils for mango

Answer 11

deep, well-drained , fertile, loam, high OM. pH 6.0 to 7.0

Question 12

physical structure of mango flowers

Answer 12

terminal panicles with up to 4000 flowers
most are male, some hermaphroditic (only ones able to set fruit)

Question 13

fruit of mango is a stone fruit called a _____

Answer 13

drupe

Question 14

what does climacteric mean

Answer 14

continues to ripen after harvested

Question 15

is mango climacteric

Answer 15

yes

Question 16

types of mango

Answer 16

indian type and indochinese type

Question 17

indian type mango

Answer 17

highly colored fruit with a strong flavour

Question 18

is indian type mango poly or monoembryonic

Answer 18

monoembryonic (sexual)

Question 19

indochinese type mango

Answer 19

poorly colored with mild flavor that is cylindrical or flattened

Question 20

is indochinese type mango poly or monoembryonic

Answer 20

polyembryonic (asexual)

Question 21

difference between mono and poly embryonic

Answer 21

mono - contains 1 embyro of gametic origin
poly - one embryo gametic, other embryos develop from nucellus cells

Question 22

types of mango propagation

Answer 22

seed - rootstocks and scions if polyembryonic
vegetative - only for monoembryonic varieties (grafting)

Question 23

transplanting spacing for mango

Answer 23

10x10m standard trees
6x6m dwarf trees

Question 24

pruning in mangos

Answer 24

open center with frequent pruning every year after harvest

Question 25

how does modern mango production differ from traditional

Answer 25

higher density and hormone treatment on irrigated land

Question 26

what does heavy N application cause in mango

Answer 26

soft nose

Question 27

how is flowering forced in mango

Answer 27

water stress/cold period
synthetically done through reducing irrigation or foliar application of KNO3 and NH4NO

Question 28

most important disease of mango

Answer 28

anthracnose (colletotrichum gloesporioides)

Question 29

symptoms of anthracnose on mango(colletotrichum gloesporioides)

Answer 29

black sunken irregular lesions
leaf spotting
fruit staining
fruit rot

Question 30

how to control anthracnose on mango

Answer 30

spread by rain, but controlled by Cu sprays

Question 31

how is mango harvested

Answer 31

by hand over a 6-8 week period using a pole

Question 32

why are mangos given a water bath

Answer 32

to remove the latex and avoid sap burn

Question 33

what temp does mango need to be stored at

Answer 33

12.8C (cant be below 10C)

Question 34

most expensive mango

Answer 34

miyazaki mango/egg of the sun