PATHOLOGY

Question 1

What is plant pathology?

Answer 1

• Microorganisms and environment factors that cause disease in plant.
• Mechanisms by which these organisms induce disease.
• Methods of preventing reducing damage caused.

Question 2

Biodic disease

Answer 2

infectious disease caused by organisms
I.E
fungi,prokariots,parasitic, virusus, nematodes

Question 3

Abiotic disease

Answer 3

non infectious disease.
I.E
temp flunctuations, soil moisture, PH,air pollution…..

Question 4

Fungus

Answer 4

Eukarotic spore bearing

reproduce sexually of asexual

Question 5

mycelium

Answer 5

filamentous vegetative body of a fungus

Question 6

hyphae

Answer 6

individual branches of mycelium

Question 7

Where does mycelium grow?

Answer 7

tip of hyphae

Question 8

How does fungi reproduce?

Answer 8

spores

Question 9

Spores

Answer 9

reproductive bodies of 1 or few cells

may be formed bot sexually and asexually

Question 10

Asexual reproduction

Answer 10

inperfect stage or anamorphic

Question 11

sexual reproduction

Answer 11

perfect stage or telemorph

Question 12

Biotroph

Answer 12

obtains nutrients from living organisms

Question 13

nectotroph

Answer 13

kills plants for nutrients IE pythium

Question 14

Facultatve saprophy

FACULTY-SUMMERS OFF

Answer 14

typically biotroph but can act as neotrophic

Question 15

obligate biotroph

Answer 15

needs to have living host to survive

IE Powdery mildew, rust

Question 16

parasite

Answer 16

organisms that feed inside other organisms

Question 17

facultative parasite

Answer 17

on dead organic matter under sertain conditions it can also become parasitic

Question 18

DISEASE TRIANGLE

Answer 18

conducive environment
pathogen
susceptible host

Question 19

Epidimiology

Answer 19

the triangle + TIME

Question 20

Disease cycle

Answer 20

chains of event that have to happenin same order but does not matter were its picked up