TABLE OF CONTENTS 



CONTROL OF INSECTS. 



Page 

 Principles of Insect Control.. 318 



Control of Bark Beetles 320 



Control of Living Timber In- 

 sects 323 



Injuries to Dead Trees Pre- 

 vented 324 



Injuries to Tree Reproduction 



Prevented 324 



Injuries to Forest Products 



Prevented 324 



Injuries to Crude Products 



Prevented 324 



Injuries to Manufactured Prod- 

 ucts Prevented 326 



Injuries to Seasoned Products 



Prevented 326 



Injuries to Tan-bark Prevented 327 

 Injuries to Utilized Products 



Prevented 327 



Injuries to Woodwork Pre- 

 vented 327 



Injuries to Other Timber Pre- 

 vented 328 



Insect Injuries to Farm Homes 328 



Control of Field Crop Insects. 351 



By Culture 353 



Page 



By Mechanical Means 354 



By Legislation 362 



Insecticides, How Made and 



Used 362 



Arsenicals 363 



Contact Poisons 369 



Lime-Sulphur Wash 379 



Dusting 383 



Spraying 383 



Gas Treatment 385 



Orchard Fumigation 386 



Tents, How Used 388 



Subterranean Insects 390 



Bisulphid-Carbon Vapor . . . 390 



Kerosene Emulsion 391 



Other Treatments... Many Pages 



Remedies for Grain Insects . . . 397 



General Methods 397 



Heat Methods 397 



Substances That Repel 398 



Remedies for Storage Insects. 397 



Beneficial Insects 400 



Parasites 400 



Predaceous Insects 401 



Bees .401 



Part II, 

 DISEASES OF CULTIVATED PLANTS. 



Disease of Plants, What Is It?. 425 



Fungi and Bacteria, What Are 



They? 426 



Plant Diseases in General 427 



Shot Hole Effects 428 



Leaf Spot Effects 428 



Fungous Coverings 431 



Wilt Diseases 431 



Seedling Collapse 431 



Plant Disease Understood ... 432 



Parasitic Diseases 432 



Diseases Named 433 



Disease Spreading 433 



Protection by Parasites 434 



Fungi, Classes and Nature of . . 435 



Special Facts 436 



Parasitic, Survival of 437 



Resting Forms 438 



Alternation of Hosts 439 



Hosts Are Robbed 440 



Fungi Effects 441 



Beneficial Organisms 441 



Root Nodules 441 



Disease Parasites Proved .... 442 

 Culture Proof 442 



Enzymotic Diseases of Plants. 442 



Chlorosis or Panochure Disease442 



Transmission of Disease by 

 Seed . 443 



Parasitic Foliage Diseases 444 



Insect Attacks 445 



Wounds by Insects 445 



Timber Preservation 446 



Diseases Due to Weather 449 



Causes of Plant Disease 450 



Directions for Examination . . 450 



Fruit Diseases 451 



Apple 451 



Quince 464 



Pear 464 



Others 465 



Drupaceous Fruit Diseases .. 470 



Almonds 470 



Apricots 472 



Plum 473 



Peach 475 



Diseases of Small Fruits 488 



Berries Generally 488 



Dewberry 490 



Gooseberry 491 



Raspberry 491 



Blackberry 491 



Strawberry 493 



Cranberry 493 



Currant 496 



Grapes 497 



Diseases of Tropical Fruits... 507 

 Fig . 507 



