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PLANT PATHOLOGY > LECTURE 1 > Flashcards

LECTURE 1 Flashcards

1
Q

What is Forest Pathology

A

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

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2
Q

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

A

Indicators, causal agents, diagnosis, appropriate control measures

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3
Q

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.

A

Natural Forest Stands

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4
Q

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

A

Plantation forests

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5
Q

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

A

Understanding the interrelationships among disease components

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6
Q

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

A

Theophrastus (300 B.C.)

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7
Q

Who made the first microscope?

A

Saccharias and Hans Janssen (1590)

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8
Q

Who developed the compound microscope?

A

Anton von Leeuwenhoek (1827)

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9
Q

Published Nova Plantarum Genera including his researches on fungi

A

Pier Antonio Micheli (1729)

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10
Q

What did Pier Antonio Micheli publish in 1729?

A

Nova Plantarum Genera

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11
Q

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

A

Louis Pasteur (1857)

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12
Q

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

A

Robert Koch (1876)

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13
Q

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

A

Koch’s Postulates

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14
Q

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

A

Robert Hartig (1882)

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15
Q

What study did Robert Hartig pioneered?

A

Ectomycorrhizal fungi

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16
Q

He is the Father of Forest Pathology

A

Robert Hartig

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17
Q

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

A

Nicanor Teodoro (1937)

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18
Q

What book did Nicanor Teodoro publish?

A

Enumeration of Philippine Fungi

19
Q

Reported that Phytophthora sp. was the cause of cinchona blight

A

S. Madarang (1939)

20
Q

It is the causal agent of cinchona blight?

A

Phytophthora sp.

21
Q

Published the first textbook in the Philippines about forest pathology

A

Mario Eusebio (1998)

22
Q

The first Philippine textbook about forest pathology

A

Pathology in Forestry (1998)

23
Q

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

A

Tree disease

24
Q

Momentary irritation that may lead to disease like decay

A

Injury

25
Q

It is a long-lasting irritation

A

Disease

26
Q

Disease is ____ or takes ___ to develop

A

Sustained, time

27
Q

Disease is _____ due to disease causing agent.

A

permanent

28
Q

A complex process that may even cause death

A

Disease

29
Q

What are the 3 Characteristics or Nature of Diseases?

A
  1. Abnormal
  2. Physiological
  3. Processive
30
Q

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

A

Physiological

31
Q

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

A

Abnormal

32
Q

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

A

Processive

33
Q

3 Components of Forest Tree Diseases?

A
  1. Host plant or suscept
  2. Causal agent
  3. Environment
34
Q

Can be artificial or natural

A

Environment

35
Q

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

A

Host plant or suscept

36
Q

Can be biotic or abiotic

A

Causal agent

37
Q

Other term for biotic and abiotic

A

Biotic - Pathogen

Abiotic - Physiopath

38
Q

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

A

Disease Triangle

39
Q

2 Interacting Components of Abiotic Disease?

A
  1. Host Tree

2. Unfavorable environment

40
Q

2 Types of Diseases Based on Causal Agents?

A
  1. Infectious or biotic disease

2. Non-infectious or abiotic disease

41
Q

Can be transferred from one host plant to another

A

Infectious or Biotic Disease

42
Q

Usually due to unfavorable environment

A

Non-infectious or abiotic disease

43
Q

6 Causal agents of Biotic Diseases

A
  1. Fungi
  2. Prokaryotes
  3. Parasitic higher plants
  4. Nematodes
  5. Protozoa
  6. Viruses
44
Q

6 Causal Agents of Abiotic Diseases

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

PLANT PATHOLOGY (4 decks)

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