198 
a nc ae Cycles 
Pathogenests. econo 
Tnoculation.  eeccsecnn 
Incubation. 
Infection. . 
Saprogenesis. 
The Secondary Cycles.................... 
(If secondary cycles occur and require special considera- 
tion, repeat headings as for primary cycle.) 
HOOLOGY 2y..¢ “agree ees 
Pathological Histology. .........0000... 
Influence of climatic factors. . .................... 
Influence of soil factors. _..................... 
CONTROL 
EXCLUSION 
Elimination. 00... 
Cultivation. uw. 
Rotation. uw. 
Disinfection. 
PROTECTION 
Manipulation of normal environment. _..................... 
Interfering with dissemimating-agents. eccccrcccnun 
Modifying sotl-reacttons. — cescssssosesion 
Modifying temperature-relations. recececscsecrne 
Modifying motsture-relattons. econ 
Application of inhibiting substances. ................... 
SPTAVING. —vecsrcscssrsnenee 
DUSHN. vesecsecssccecnen 
Dressing and filling Wounds. oececcccsesesun 
IMMUNIZATION 
Selection. en 
Crossing. nceeecn 
Feeding. 
