LECTURE 1

Question 1

What is Forest Pathology

Answer 1

Science dealing with the study of diseases of trees and other forest plants

Question 2

Forest pathology is the study of disease ___, ______, ____ and recommendation of ______ to prevent or minimize the occurrence of forest tree diseases

Answer 2

Indicators, causal agents, diagnosis, appropriate control measures

Question 3

In these stands, disease is usually not a problem – it’s nature’s way to cull or eliminate the inferior
trees – natural selection/survival of the fittest.

Answer 3

Natural Forest Stands

Question 4

In these types of forests, monoculture is practiced and there is greater threat to problems of disease occurrence, even leading to disease
outbreaks

Answer 4

Plantation forests

Question 5

What is important to know in proper disease diagnosis and application of appropriate control measures?

Answer 5

Understanding the interrelationships among disease components

Question 6

A Greek philosopher who first studied and wrote about diseases of trees, legumes and cereals and recognized that cultivated plants were more susceptible to diseases than wild trees

Answer 6

Theophrastus (300 B.C.)

Question 7

Who made the first microscope?

Answer 7

Saccharias and Hans Janssen (1590)

Question 8

Who developed the compound microscope?

Answer 8

Anton von Leeuwenhoek (1827)

Question 9

Published Nova Plantarum Genera including his researches on fungi

Answer 9

Pier Antonio Micheli (1729)

Question 10

What did Pier Antonio Micheli publish in 1729?

Answer 10

Nova Plantarum Genera

Question 11

Proved the germ theory of disease; developed sterilization and aseptic techniques

Answer 11

Louis Pasteur (1857)

Question 12

Developed the rules of proof of pathogenicity to determine the real cause of a disease

Answer 12

Robert Koch (1876)

Question 13

It is the rules of proof of pathogenicity to determine the real cause of a disease

Answer 13

Koch’s Postulates

Question 14

A German forester who proved the relationship between existence of fungal hyphae with subsequent decay of wood

Answer 14

Robert Hartig (1882)

Question 15

What study did Robert Hartig pioneered?

Answer 15

Ectomycorrhizal fungi

Question 16

He is the Father of Forest Pathology

Answer 16

Robert Hartig

Question 17

Published “Enumeration of Philippine Fungi”, many of which were wood decay fungi

Answer 17

Nicanor Teodoro (1937)

Question 18

What book did Nicanor Teodoro publish?

Answer 18

Enumeration of Philippine Fungi

Question 19

Reported that Phytophthora sp. was the cause of cinchona blight

Answer 19

S. Madarang (1939)

Question 20

It is the causal agent of cinchona blight?

Answer 20

Phytophthora sp.

Question 21

Published the first textbook in the Philippines about forest pathology

Answer 21

Mario Eusebio (1998)

Question 22

The first Philippine textbook about forest pathology

Answer 22

Pathology in Forestry (1998)

Question 23

Sustained physiological disorder at any stage on the life of a tree, due to constant irritation by persistent causal agent

Answer 23

Tree disease

Question 24

Momentary irritation that may lead to disease like decay

Answer 24

Injury

Question 25

It is a long-lasting irritation

Answer 25

Disease

Question 26

Disease is ____ or takes ___ to develop

Answer 26

Sustained, time

Question 27

Disease is _____ due to disease causing agent.

Answer 27

permanent

Question 28

A complex process that may even cause death

Answer 28

Disease

Question 29

What are the 3 Characteristics or Nature of Diseases?

Answer 29

1. Abnormal 2. Physiological 3. Processive

Question 30

Functions of the parts of the tree are adversely affected when disease occurs

Answer 30

Physiological

Question 31

There is a deviation from the normal morphology & anatomy of the tree

Answer 31

Abnormal

Question 32

Series of reactions are involved; time is an important factor since disease does not happen in one instance only

Answer 32

Processive

Question 33

3 Components of Forest Tree Diseases?

Answer 33

1. Host plant or suscept 2. Causal agent 3. Environment

Question 34

Can be artificial or natural

Answer 34

Environment

Question 35

Any plant capable of reacting to the activities of the disease causal agent

Answer 35

Host plant or suscept

Question 36

Can be biotic or abiotic

Answer 36

Causal agent

Question 37

Other term for biotic and abiotic

Answer 37

Biotic - Pathogen | Abiotic - Physiopath

Question 38

Represents the interaction of the pathogen, environment, and host plant

Answer 38

Disease Triangle

Question 39

2 Interacting Components of Abiotic Disease?

Answer 39

1. Host Tree | 2. Unfavorable environment

Question 40

2 Types of Diseases Based on Causal Agents?

Answer 40

1. Infectious or biotic disease | 2. Non-infectious or abiotic disease

Question 41

Can be transferred from one host plant to another

Answer 41

Infectious or Biotic Disease

Question 42

Usually due to unfavorable environment

Answer 42

Non-infectious or abiotic disease

Question 43

6 Causal agents of Biotic Diseases

Answer 43

1. Fungi 2. Prokaryotes 3. Parasitic higher plants 4. Nematodes 5. Protozoa 6. Viruses

Question 44

6 Causal Agents of Abiotic Diseases

Answer 44

1. Temperature 2. Moisture 3. Wind 4. Light 5. Soil fertility 6. Air pollutants