506 



INDEX 



Phlyctaena sp. 464. 



Phlyctsenose 464. 



Phoma 61, 464, 477. 



Batate 294, Beta; 210, Cycla- 

 menSB 464, Cydonae 115, Dah- 

 lise 465, Persica; 134, Solani 236, 

 subcircinata 205. 



Phomose 



beet 210, clematis 464, cycla- 

 men 464, dahlia 465, peach 134, 

 snapdragon 477. 



Phoradendron 431. 



Phragmidium 



speciosum 476, subcorticum 475. 



Phyllachora 



pomigena 94, Trifolii 386. 



Phyllactinose 439. 



Phyllosticta 263, 350, 461. 



acericola 442, althseina 467, 

 ampelopsidis 481, Apii 229, 

 bataticola 295, Catalpae 432, 

 Chenopodii 289, circumcissa 133, 

 cucurbitacearum 224, hortorum 

 236, Hydrangeae 468, maculicola 

 465, primulicola 472, prunicola 

 78, Pteridis 465, Richardiae 455, 

 solitaria 76, sphaeropsidea 440, 

 Violse 481, viridis 432. 



Phyllostictose 



apricot 116, ash 432, calla 455, 

 cantaloupe 224, celery 229, 

 chrysanthemum 461, cucumber 

 233, Dracaena 465, egg plant 

 236, ferns 465, hollyhock 467, 

 horse-chestnut 440, hydrangea 

 468, maple 442, oat 350, peach 

 133, pepper 263, primrose 472, 

 spinach 289, sweet potato 295, 

 violet 481, Virginia creeper 481. 



Phylloxera 



grapes resistant to 10. 



Physiological 483. 

 diseases 1. 



Phyaopella 444. 



Phytophthora 61. 



infestans 263, 311, Phaseoli 204. 



Pine 445. 



blight 447, bluing 445, clado- 

 sporiose 447, damping off 446, 

 fusariose 446, hypodermose 445, 

 leaf blight 445, peddermiose 

 446, red rot 447, rust 446, twig 

 blight 445. 



Pink 472. 



Pink rot 91. 



Pip 357. 



Piped rot 418. 



Piricularia 



grisea 342, oryzffi 352, 390. 



Piriculariose 



crab grass 390, millet 342. 



Plant disease 1. 



ancient recognition 11, damage 

 caused by 12, prevention 18. 



Plant pathology 1,11. 



Plasmodiophora Brassicae 213. 



Plasmopara viticola 166. 



Pleonectria Beriolinensis 150. 



Pleospora 



pea 259, Pisi 259, Tropceoli 469. 



Plowrightia morbosa 118, 139. 



Plum 



armiliariose 144, Bacillus amy- 

 lovorus 143, bacteriose 144, 

 black knot 139, blight 143, 

 brown rot 143, brown rot dam- 

 age 143, Cladosporium carpo- 

 philum 142, cost of spraying 46, 

 Cylindrosporium padi 141, die 

 back 144, Exoascus pruni 141, 

 leaf spot 141, leaf spot damage 



142, Plowrightia morbosa 139, 

 pockets 141, podosphaerose 



143, powdery mildew 143, Puc- 

 cinia pruni-spinosae 143, root 

 rot 144, rust 143, scab 142, 

 Sclerotinia fructigena 143, spray- 

 ing 52, valsose 144, yellows 

 143. 



Pod blight 205. 

 Pod rot 204. 

 Pod spot 198. 



