Lab Practical 1

Question 1

Fusarium solani

Answer 1

1. Primary inoculum (Chlamydospores) survival asexual spores

2. no secondary

Question 2

Aphanomyces euteiches

Answer 2

1. Primary inoculum (oospores)

2. Secondary inoculum (zoospores move through water surface)

Question 3

Rhizoctonia solani

Answer 3

1. Primary inoculum Schlerotia (mass of myceleum for overwintering)
2. Secondary inoculum exploratory hyphae

Question 4

Phythium ultimum

Answer 4

Cool weather pathogen

1. Primary inoculum (oospores)
2. Secondary inoculum exploratory hyphae