Table of Contents
Buckeye Yard & Garden onLine
Phytopathological Paradigms:
ěTiming is everythingî for chemical disease control.
Most plant problems are not infectious diseases.
Symptoms develop well after infection.
Most infectious diseases cause little plant harm.
Many pathogens have narrow host ranges.
ODAís Top Fifteen Diseases for 1997
Describe when infection occurs for these diseases:
Examples of water mold diseases:
Which of the following are useful for controlling water mold fungi?
Which of the following could be used in rotation to help prevent development of Botrytis resistance to fungicides?
Which of the following would be considered powdery mildew fungicides?
Which of the following are trade names for the benzimidazole fungicide thiophanate-methyl?
Which of the following is the correct name for a species of fungus?
How do fungi, bacteria, viruses, nematodes and plants differ from human beings?
Which of the following are water mold fungi?
Which of the following are soil-borne pathogens?
What do the following bacteria have in common?
Nematodes do which of the following?
Define these terms:
T or F. The wounding of roots can effect the incidence of infectious diseases of plants.
What is the literal meaning of the word ěmycorrhizaeî?
Which of the following are true:
What species has the largest fungal spores in the world?
What do strip mine sites and sterilized soils often have in common?
Describe the following fungal structures.
With each of the following diseases, how do the fungal pathogens survive from one year to the next?
Do all plant parasitic nematodes damage plants through feeding on the roots?
T or F. Insects are not important in the development of infectious plant diseases.
What are the ěDr. Kevorkiansî of the soil?
ěAny disturbance of a plant that interferes with its normal structure, function or economic value.î From: ěPlant Health Care for Woody Ornamentalsî - Lloyd (Rane, Pataky)
Plant Disease Defined
Some Symptoms of Tree Decline, A Complex Disease
Some Keys to Tree Decline and Complex Diseases:
Ten Contributing Factors In Disease Complexes:
Examples of Complex Plant Diseases, Broadly Defined
Management of Tree Decline
Ten Step Program for Healthy Trees
Dr. Treevorkianís Ten Step Program for Assisted Herbicide
ěThe complexities of tree health and disease mandate that the practice of arboriculture must never be reduced to mere squirt-gun botany.î - Jacques le Mauvais
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