Plant Diseases
by See Title Page,
part of the Agriculure Series


Table of Contents


Plant Diseases
Costs and Causes
Three Billion Dollars a Year
Bacteria--Small and Mighty
Viruses, a Scourge of Mankind
How Insects Transmit Viruses
The Fungi Are Living Organisms
Identifying a Pathogenic Fungus
Problems of Variability in Fungi
Bacteria, Fungi, and Insects
Crown Gall-a Malignant Growth
Broomrapes, Dodders, and Mistletoes
The Tiny but Destructive Nematodes
The Effect of Weather on Diseases
Environmental, Nonparasitic Injuries
The Effects of Soil Fertility
Bases of Controls
How Fungicides Have Been Developed
Using Chemicals To Combat Root Diseases
Fumigation of Soil in Hawaii
More About the Control of Nematodes
Treating Seeds To Prevent Diseases
Making Sure of Healthy Seed
How Nurseries Get Virus-free Fruit Stock
The Inspection of Imported Plants
Protection Through Quarantines
Growing healthier plants
The Nature of Resistance to Disease
Breeding for Resistance to Disease
Some Sources of Resistance in Crop Plants
Grasses and Legumes
The Many Ailments of Clover
Sources of Healthier Alfalfa
Bacteria, Fungi, and Viruses on Soybeans
Legumes in the South
Leaf Diseases of Range Grasses
Leaf Diseases of Grasses in the South
The Northern Forage Grasses
Root and Crown Rots of the Grasses
Seed Disorders of Forage Plants
Some of the 125 Rusts of Grasses
Smuts That Parasitize Grasses
How To Keep Turf Grass Healthy