DENDROLOGY

TREE DISEASES AND PESTS

COMMON TREE PESTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the average rainfall needed for broomsedge bluestem to grow?
A
25 in.
B
15 in.
C
35 in.
D
10 in.
Explanation: 

Detailed explanation-1: -Broomsedge bluestem grows where average rainfall is greater than 25 inches.

Detailed explanation-2: -↑Life Cycle Broomsedge is a warm-season, perennial bunchgrass. Seeds germinate in the spring, following a period of cold dormancy, in exposed soil. Seedling germination and survival is high in sufficiently sunny conditions. Seedlings grow about 5 inches in their first year, and do not usually bloom in their first year.

Detailed explanation-3: -At least two conditions favor broomsedge invasion: poor soil fertility and inadequate grazing pressure.

There is 1 question to complete.