N/L CDE Questions 51-75

Trees are fertilized with granular fertilizer by spreading it within

• A. Area covering the outer two-thirds of the distance between the trunk and the drip line and at least 50 percent of the crown radius beyond the dripline.

• B A thirty foot radius from the trunk

• C A four foot radius next to the trunk

• D Only within the distance from the trunk to the drip line

The four life cycle stages of beetles such as the Japanese beetle are:

• A. Grub, pupae, juvenile, adult

• B Moth, egg, grub, adult

• C Egg, nymph, pupae, adult

• D Egg, grub, pupae, adult

Large nursery pots are measured by the

• A. gallon, sizes are strictly regulated

• B height, and sizes are strictly regulated

• C inch, and sizes are strictly regulated

• D gallon, the exact size varies by the manufacturer

Plants that use less water and are tolerant of dry landscape sites are called:

• A Xerophytes

• B Epiphytes

• C Dryophytes

• D Monoecious

The nursery landscape trade and related industries are sometimes referred to as the

• A Green Industry

• B United environmental industry

• C Outdoor consortium

• D Federated nursery industries

Joe’s Landscaping pays rent, legal fees, utilities and insurance, all of which are classified as

• A Variable costs

• B contingency costs

• C Overhead costs

• D marginal costs

Damping-off is caused by:

• A Fungi

• B Viruses

• C Bacteria

• D Nematodes

Lowering the soil grade around a tree removes many of the tree’s ____________ roots.

• A aquatic

• B Feeder

• C Aerial

• D Tap

A plant that remains vegetative during its first season of growth and flowers in the second season is a (n):

• A Propagule

• B Perennial

• C Biennial

• D Annual

A landscaper in Amarillo calls a wholesale grower in the Rio Grande Valley to inquire about plant material for a landscape job in his city. The landscaper wants to know if a specific plant material can survive the winter in Amarillo. The wholesale grower should check the following reference:

• A Critical Zone Hardiness Index

• B UPS Zone Index for safe shipping of plants

• C USDA Plant Hardiness Zones

• D AAN Hardiness Zone Plan