Fungi a) Importance of Fungi a. Decay (nutrient recycling) b. Diseases of plants and animals c. Food and food production (meat substitutes) d. Sources of Chemicals (medicines, organic acids) e. Fermentation (bread making/alcohol) f. Mutualistic relationsh
Plant Diseases in the News I am doing my report on wheat rust and how it is affecting the worlds food supply. The article is from The Economist and describes how this fungus is spreading throughout Africa and may eventually affect us Americans. The diseas
T he I r ish Potato Famine
A) Famine a. Occurred between 1845 and 1850 severe famine for I reland b. Starvation and death of 1.5 million people c. Emigration of 1 million to North America d. >25% reduction in the population B) Causes of the I r ish Potato
ANTH/PATH 2010 PLANTS, PATHOGENS AND PEOPLE Pre-famine Life in Ireland Brief history of Irish/British interactions
7,000 BC - Ireland inhabited by hunter-gatherers and fishermen 6th century BC - Celts arrived from Europe - Iron age 5th century A.D. - Chri
PATH/ANTH 2010 Plants, Pathogens and People Fireblight - The discovery of bacteria as plant pathogens Up to the late 19th century plant pathology evolved in Europe Germany - Anton deBary. England - HM Ward and MJ Berkley
US scientists lagged behind but we
ANTH/PATH 2010 PLANTS, PATHOGENS AND PEOPLE Coffee Rust - Why tea is the national drink of Britain. 19 century - UK was worlds largest coffee producer Plant disease (coffee rust) completely destroyed coffee production in Sri Lanka (Ceylon)
Coffee (60 s
ANTH/PATH 2010 Plants People and Pathogens CHESTNUT BLIGHT and the Plant Quarantine act: American Chestnut - Castaneae dentata
NC 1910 IMPORTANCE Before 1900 Am. chestnut was most dominant hardwood tree eastern US 25% of trees in Appalachian forests chest
Pathology 9/2/10 1. Parasitic Plants a. Depend on other plants for nut r ients b. Lack chlorophyll so no photosynthesis c. Some lack roots and so obtain water from other plants d. Have structures that allow penetration of host t issues e. Most serious- wi
Pathology 8/26/10 I mpact of modern agricultu re on food supply Beneficial -H igh yielding crop cultivars, disease and insect resistance, drought tolerance N fixation etc. Increased prod. Efficiency with Fertilizers, i r r igation, mechanical planting/har
H istory of Plant Pathology 1) 1800 BC a. First records of plant disease appeared in the Bible on cereal crops/grasses i. Blights, blasts (rusts), mildews ii. Amos 4:9; Deuteronomy 28:22 2) 500-320 BC a. Plant diseases in wri tings of Greek philosophers A
ANTH/PATH 2010 Plants, Pathogens and People World food crisis Why are plants important?
What is your biggest immediate fear?
Inadequate food supply is a serious threat to our safety.
Especially important when you consider the following: World population c