Flax diseases Flashcards
1
Q
Flax rust scientific
A
Melampsora lini
2
Q
flax rust symptoms
A
pustules on leaves, stem and bolls, pustules turn black in fall
3
Q
how does flax rust spread
A
stubble borne, seed borne??
4
Q
alternate host of flax rust
A
none
5
Q
how many spore stages does flax rust have
A
5
6
Q
Flax rust control
A
- resistance
- 2 year rotation
- tillage
- clean seed
7
Q
Flax wilt scientific
A
Fusarium oxysporum lini
8
Q
how is flax wilt spread
A
soil borne
9
Q
how long does the flax wilt pathogen survive
A
indefinitely
10
Q
Flax wilt control
A
- resistance
- 3 year rotation
- clean seed
- seed treatment
11
Q
Pasmo scientific
A
Septoria linicola & another
12
Q
how does pasmo spread
A
stubble borne, rain slashing spreads spores
13
Q
pasmo symptoms
A
- brown bands on stems
- brown spots on leaves
- shrivelled seed
14
Q
pasmo reproductive bodies
A
ascospores and conidia
15
Q
control os pasmo
A
- resistance
- 3 year rotation
- clean seed
- early seeding
- seed treatment
