498 



INDEX 



Combination treatment for apple 

 diseases 99. 



Complementary hosts 22. 



Completoriose 466. 



Compressed air sprayers 41. 



Conidia 489. 



Coniothyriose 95. 



Coniothyrium 



diplodiella 174, Fuckelii 95, 177. 



Copper 11. 



Copper sulphate 19, 20, 27, 34. 



Coreopsis 464. 



Com 



blight 339, ear rots 335, dry rot 

 335, 338, fusariose 338, head 

 smut 338, helminthosporiose 

 342, pseudomonose 339, rust 

 341, selerosporose 342, smut 

 331, wilt 339, yellow leaf disease 

 342. 



Corrosive sublimate 19, 22, 35. 



Corticium vagum var. solani 271. 



Coryneum BeyerinkU 129. 



Cosmos 464. 



phlyetsenose 464. 



Cost of sprajong 45. 

 apples 48. 



Cotton 398. 



anthracnose 400, bacteriose 404, 

 black rust 405, boll rot 404, 

 damping off 404, frosty mildew 

 403, fusariose 398, leaf blight 

 403, mosaic 405, red leaf blight 

 405, resistant 10, rhizoctoniose 

 405, sore shin 405, shedding 406, 

 Texas root rot 401, wilt 13, 23, 

 398, yellow leaf disease 405. 



Cottonwood 438. 

 rust 438. 



Covered smut 



barley 329, oat 349. 



Cowpea 390. 



amerosporiose 14, angular leaf 

 spot 395, fusariose 390, leaf 

 spot 394, powdery mildew 394, 

 resistant 10, wilt 13, 390. 



Crab grass 390. 



Piriculariose 390. 



Cranberry 



Acanthorhynchus Vaccinii 147, 

 anthracnose 148, blast 146, 

 Exobasidium Oxyeoeci 148. fly- 

 speck 150, gall 149, GlomereUa 

 rufomaculans var. Vaccinii 148, 

 Guignardia Vaccinii 146, hyper- 

 trophy 148. Leptothyrium pomi 



150, rot 147, scald 146, Sclero- 

 tinia Oxyeoeci 149, sclerotiniose 



149, Synchytrium Vaccinii 149. 

 Cronartium Ribicola 155. 



Crop rotation 23. 



Crown gall 



almond 115, apple 94, black- 

 berry 144, peach 130, rasp- 

 berry 117, rose 476, parsley 255. 



Crown rust 350. 



Cryptosporella anomala 440. 



Cucumber 



Acremoniose 235, anthracnose 



232, bacillose 233, cercosporose 



233, cost of spraying 45, damp- 

 ing off 234, downy mildew 231, 

 fruit spot 234, fusariose 233, 

 leaf blight 234, phyllostictose 

 233, powdery mildew 234, scle- 

 rotiniose 233, timber U'ot 233, 

 wilt 233. 



Cucurb spraying 235. 

 Curl 



cherry 119, peach 20, 126. 

 Currant 



anthracnose 153, cane blight 



151, Cercospora angulata 152, 

 cercosporose 152, Cronartium 

 Ribicola 155, dematophorose 

 155, European rust 155, knot 



150, leaf spot 152, Pleonectria 

 Berolinensis 150, powdery mil- 

 dew 155, Pseudopeziza Ribis 

 153, Puccinia Ribis 155, root 

 rot 155, rust 155, septoriose 152, 

 sphserothecose 155. 



