DENDROLOGY

TREE IDENTIFICATION

CHARACTERISTICS USED FOR TREE IDENTIFICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does defoliation mean?
A
A method of controlling the outbreak of a disease
B
Destruction caused by a fungus where the roots rot
C
Destruction caused by a pest where leaves fall off
D
A method of controlling Webworms
Explanation: 

Detailed explanation-1: -Insects that consume leaves or needles are classified as defoliators and are indicated by chewed, mined, or missing foliage. Damage from defoliating insects varies considerably with tree and insect species, feeding intensity, and the time of year that feeding occurs (table 1, figs. 1-3).

Detailed explanation-2: -What Causes Defoliation? Defoliation is defined as a widespread loss of leaves or stripping of leaves on a plant. There are many things that can cause this, such as grazing animals like deer or rabbits, insect infestation, disease, or chemical runoff from herbicides.

Detailed explanation-3: -Defoliation is the phenomenon of removal of plant material. It is done by various ways like mowing, burning, grazing and applying herbicide. In is done purposely to protect tree and to remove unwanted grass.

There is 1 question to complete.