How many years does it take for a tree to grow to selling size?
About 8 years
100
What type of Pine can be affected by this disease?
Scotch Pine and Red Pine
100
Where does this disease begin?
At the base of the tree
100
true or false: this disease kills the tree
false!
100
What types of needles become infected?
Older needles
200
How many Christmas trees can be planted per acre?
1500 trees! Woah!
200
How many strains of Scleroderris canker are there?
2
200
Which part of the needle does this disease affect first?
The tip
200
What type of tree gets this most often?
Colorado Blue Spruce
200
What color do the needles turn in the early stages?
yellow, light green
300
What fraction of the trees can be harvested and replanted each year?
1/8! So cool!
300
How long are the shoots that can be completely taken over?
1 foot! Woah!
300
Which tree is most susceptible?
Older trees
300
where does it start?
Bottom of the tree
300
True or false? the needles develop fruiting bodies
True
400
What size plot is needed for one Christmas tree?
a 5x5 plot
400
What are two symptoms of this disease?
Reddish brown needles, needles fall off/become loose
400
Does this disease kill the tree?
Yes!! Indeed.
400
Symptoms?
Loss of needles
Starts at the bottom the tree and works its way up
The lower branches may die.
400
In later stages, what color do the needles turn?
dark brown
500
How much money can a farmer make one year from 1 acre?
$9,200! Wow!
500
What is the scientific name for this disease?
Ascocalyx abietina
500
what are symptoms of this disease?
Fungi causes spotting or banding of needles
Areas enlarge and merge as the disease progresses.
Needless start dying and turning brown from the tip back
500
Can trees in nurseries, Christmas tree plantations, and land scapes be infected?
yes!
500
How many times must the fungicide be applied to treat this disease?