Louisiana Arborist Exam 2023 With 100% Correct Answers

In sites where poor drainage can be a problem, which of the following will NOT help ensure plant survival? a) careful plant selection and shallow planting. b) improvement of surface drainage by changing the grade, or trenching. c) installation of drainage tiles. d) placing gravel in the bottom of the planting hole and backfilling with sandy soil. {Ans: D}In the scientific name Acer saccharum, what does Acer identify and what does saccharum identify? {Ans: Acer identifies the genus and saccharum identifies the specific epithet.}The green color in leaves is created by the presence of what, which is necessary for photosynthesis to take place? {Ans: chlorophyll}Most fungi cause plant disease. {Ans: False}What are some problems associated with topping or heading back a tree? {Ans: 1) Removes much of the leaf surface area needed to produce food and the food storage reserves. 2) Leaves large wounds that are slow to heal and becomes entry points for insects and disease organisms. 3) Allows strong sunlight to enter the central parts of the tree, resulting in sunscald, cracks and peeling bark.}What is a landscape specifically designed to collect and hold stormwater runoff called? {Ans: Rain Garden}