18 CONTENTS 



Olive. Olive knot. 



Blackberry, Dewberry and Raspberry. Crown gall — Leaf spot — Anthracnose — 



Orange rust — Double blossom — Cane blight — Yellows. 



Strawberry. Leaf spot. 



Cranberry. Scald or blast — Rot — Anthracnose. 



Gooseberry. Powdery mildew. 



Currant. Anthracnose. 



Grape. Black rot — Bird's-eye or anthracnose — Bitter rot or ripe rot — Downy 



mildew — Powdery mildew — Necrosis — Crown gall. 



Asparagus. Rust. 



Bean. Anthracnose — Rust — Blight — Downy mildew — Leaf spot. 



Pea. Spot. 



Beets. Leaf spot — Root rot — Scab. 



Cabbage, Cauliflower, Turnips, etc. Black rot — Club root or finger and toe disease. 



Canteloupes and Melons. Leaf blight — Downy mildew — Anthracnose — Wilt. 



Cucumber. Downy mildew — Anthracnose — Leaf blight and fruit spot — Wilt. 



Celery. Leaf spot. 



Onion. Smut — Downy mildew or blight. 



Parsnips. Blight. 



Potato. Late blight or downy mildew — Early blight — Wilt, stem rot and dry rot 



— Black leg— Scab — Little potato, rosette, stem rot, scurf — Bacterial wilt — 



Tipburn. 



Tomato. Early blight — Leaf blight — Fusarium wilt — Bacterial wilt — Blossom-end 



rot or point rot — Anthracnose — Fruit rot. 



Eggplant — Pepper. 



Lettuce. Mildew — Drop or wilt. 



Sweet Potato. Soft rot — Black rot — Stem rot. 



Tobacco. Granville tobacco wilt — Mosaic, calico or mottle top — Leaf spots — 



Root rots. 



Corn. Smut. 



Wheat. Rusts — Loose smut — Stinking smut or bunt . 



Oats. Rust — Smut. 



Sugar Cane. Red rot — Rind disease — The pineapple disease — Other diseases. 



Cotton. Anthracnose — Damping off — Sore shin — Seeding rot. 



Flax. Wilt, 



Chapter 76. INSECT PESTS AND THEIR CONTROL 967 



General Crop Insects. 

 Caterpillars (leaf-eating)— Cutworms — Grasshoppers or locusts — Leaf beetles — 

 Plant lice — White grubs — Wire worms. 



Field Crop Insects. 

 The army worm — The alfalfa leaf weevil — The chinch bug — Clover mite — Clover 

 root borer — Corn ear worm — The corn root aphis — Cotton boll worm — Cotton 

 worm — The cotton red spider— The fall army worm — The green bug or spring grain 

 aphis — The Hessian fly — Mexican cotton boll weevil — Spring grain aphis — Southern 

 corn root worm or bud worm — Tobacco flea beetle — Tobacco worms or horn 

 worms — Western corn root worm — Wheat joint worm — Wheat straw worm. 



Truck Crop Insects. 

 The asparagus beetle — Bean aphis— Bean weevil, the common — Other bean wee- 

 vils — The beet army worm — Beet leaf beetle, the larger — The beet leaf hopper — 

 Blister beetles — The cabbage looper — The cabbage maggot — The Colorado potato 

 beetle — Flea beetles — Harlequin cabbage bug — The hop aphis — The hop plant 

 borer — The imported cabbage web worm — The imported cabbage worm— The 

 melon aphis — The potato tuber moth— The squash bug — Squash vine borer — The 

 striped cucumber beetle — Sugar beet web worm. 



Fruit Insects. 

 Apple maggot or railroad worm— Apple-troo tent caterpillar— The brown-tail moth 

 — Canker worm, the spring — And the fall — The cherry fruit flies — The codling moth 



