Gray mold quiz Flashcards
1
Q
Koch’s postulate step 1
A
Suspected pathogen must be consistently associated with diseased plants
2
Q
Postulate 2
A
suspected pathogen must be isolated in pure culture and its characteristics noted
3
Q
postulate 3
A
disease must be reproduced in healthy plant inoculated with isolated disease
4
Q
postulate 4
A
same pathogen characterized in step 2 must be isolated from inoculated plant
5
Q
gray mold symptoms
A
-growth on fruit
-yellowish-brown watery spots
-gray inside fruit (rotting near medial aspect)
-sour or tart smell
-spores on growth
6
Q
how does gray mold overwinter and in what structures
A
sclerotia in plant debris
