Tropical Horticulture s1

Tropical Horticulture Questions – Week 9

Which family does the tamarind belong to? a. Bombacaceae b. Oxalidaceae c. Moraceae d. Leguminoseae

T or F – The tamarind flowers and fruits at the same time.

T or F – The large flowers of the durian species have a nocturnal flowering habit.

The date fruit is pollinated by: a. fruit flies b. honey bees and bumble bees c. insects and wind d. beetles

Where is the coconut originally from?

Where is the coconut best adapted?

Name two characteristics of the coconut plant.

What family does the durian belong to?

In which continent does the tamarind originate?

T or F – Carambola seeds are viable for only a few days.

Date palms have a leaf life expectancy of how many years? a. 3-7 years b. 20-30 years c. 10-15 years d. 30-50 years

Which of the following is NOT true of date palms? a. dioecious b. no cambium c. very few flowers in its inflorescence d. origin in the Middle East

Which of the following regions has the lowest yields in date production? a. Latin America b. USA c. Africa d. Asia

T or F – The flowers for the breadfruit are monoecious.

In 1787 the breadfruit was taken to the West Indies by Captain Blight to serve as: a. food for his men b. food for the slaves c. a way to make money d. none of the above

How would you describe the skin of the rambutan.

The date palm, Phoenix dactyifera, originated in what region? How long has it been cultivated in India?

What cultivar in California accounts for 75% of production?

What is the “deluxe” cultivar used for production in California and Arizona?

Most commercial production of the African Palm Oil tree occurs in what region?

Durian is a: a. capsule b. pepo c. aggregate fruit d. berry

The seeds of the durian are viable for: a. several months b. a few days c. several years d. indefinitely

T or F – The durian tree can survive in a wide range of temperatures.

The date palm probably originated where? a. Persian Gulf area b. Sahara Desert c. India d. South America

Which date palm cultivar was introduced to California from Tunisia? a. Zahdi b. Deglet Noor c. Medjool d. Kahdi

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 2 Most propagation of dates is from: a. seeds b. t-bud graft c. offshoots d. root cuttings

Durian flowers at night and are pollinated by what?

Where does durian grow best?

Where is the tamarind native to?

T or F – Date palms have a true cambium.

Palms are pollinated by a. insects and wind b. monkeys c. aggie interns with nothing better to do d. all of the above

For maximum yield, date palms require: a. low amounts of water b. high amounts of water c. a keg of beer every day d. none of the above

What is not a palm of the tropics a. dates b. coconut c. oil palm d. worm fruit

How many male date plants are planted per fifty female plants? a. one b. ten c. seven d. none of the above

T or F - Palm oil production has INCREASED over the last forty years.

How many weeks does it take for dates to develop? a. 10 b. 17 c. 29 d. 50

What are the four stages of date development?

What is the genus for dates?

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 3 Date flowers are a. monoecious b. dioecious c. triecious d. none of the above

Pollination for dates is mainly done by a. hand b. birds c. bees d. wind

Date palms achieve full production in _____ years after establishment a. 1-2 b. 8-10 c. 15-20 d. 60

Date palms grow best in a. shade b. partial shade c. full sun d. darkness

Name a tropical fruit that grows on a large lowland tree, has sharp spines, and is odoriferous.

The ______has irregularly curved pods whose main product is the seed pulp.

The date palm is a. monoecious b. cultivated in the wild c. intolerant of high leves of salt in the soil d. intolerant of rain during fruit ripening

Durian originated in a. Sumatra and Borneo b. Malaysia c. Indonesia d. Thailand and the Philippines

The carambola fruit is shaped like a a. square b. rhombus c. star d. oval

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 4 Dates cannot be exposed to rain or heavy moisture because a. they will ripen prematurely b. they will check/crack c. they will not reach the Tamar stage d. they will loose flavor

What are the northern and southern limits of dates?

How long until the production decreases on a date tree, and why are they replaced before that.

Which stage is ripest? a. chimri b. tamar c. rutab d. khalal

T or F – In date production, five male trees are planted for every 50 female trees.

How many days does it take for the fruit of the tamarind to reach full ripeness?

What region has the highest date yields?

Describe the roots of dates.

Durian is pollinated by a. beetles b. bats c. hummingbirds d. bees

Carambola is also known as a. starfruit b. tamarindo c. mango d. tree tomato

How many stages of development are there for dates? a. 2 b. 4 c. 5 d. 3

Name three palms of the tropics.

How much rain is needed during date ripening?

How many “wet months” are needed for durian to grow? a. 6-8 b. 2-4

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 5 c. 9-11 d. 8-10

Which crop contains high levels of oxalic acid, and what does it do?

T or F – Phoenix dactylifera (date palm) adapts to hot arid climate with ample subsurface moisture.

T or F – Flowers on the Garcinia mangostana are set parthenocarpically?

Where is the origin of rambutan? a. Malaysia b. Brazil c. Costa Rica d. Mexico

Which of the following fruit has an odoriferous smell but delicious taste? a. papaya b. jackfruit c. durian d. carambola

Where on the tree is the fruit of the durian borne? a. new growth b. old branches c. underground d. none of the above

Tamarind pods are harvested and dried down to what moisture level? a. 30% b. 20% c. 15% d. 7.5%

Major fruit production begins in the Brazil nut tree at what year? a. 3-6 years b. 9-11 years c. 12-15 years d. 20-25 years

Palms are types of plants without: a. xylem b. phloem c. cambium d. pith e. epidermis

Which vegetable oil has become the dominant in production in recent years? a. palm

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 6 b. coconut c. soybean d. palm kernel

Roselle is a type of a. bean b. hibiscus c. rose d. fruit

Palm is a a. monocot b. gymnosperm c. dicot d. grass

Which of the following is NOT harvested from Bertholletia sps? a. nuts b. rubber c. edible roots d. bark

Why are orchards of Bertholletia sps. not common for production?

Why would a person not want to eat the nut of Anacardium occidentale directly from the tree?

TROPICAL HORTICULTURE – QUESTIONS WEEK 9 – PAGE 7