Life cycle of white pine blister...
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Life cycle of white pine blister rust
Transcript of Life cycle of white pine blister...
Life cycle of white pine blister rust
White pine blister rust on pine
AeciaSpermatia
White pine blister ruston current leaves
TeliaUredinia
B
B
B
A
A A
AA
A
AA
A
On Pine hostOn angiosperm leaves
UU
U
U
U
Late summer& Fall
SummerSpring
multiple fertilizationskaryogamy& meiosis
1
2
3
4
5
Stalactiform rust on lodgepolepine. (Aecial stage) alternateswith Castilleja Indian paintbrush
B
B
B
A
A A
AA
A
AA
A
On Pine hostOn angiosperm leaves
UU
U
U
U
Late summer& Fall
SummerSpring
multiple fertilizationskaryogamy& meiosis
1
2
3
4
5
Western Gall RustPeridermium harknessii
No other host & no otherspore stage
Coleosporium sp. on Pine needles
Melampsora telia on underside of poplar leaf
Closeup 400X
Acial stage on Pinaceae,but is rarely found
Gymnosporanium telia
Broom rust of spruce
Telial state (not shown)on Chickweed(Stellaria)
True fir Broom rust (Melampsorella)
Uredinopsis on underside of Abies needle
Teliosporesembeded in a fern leaf
