INDEX. 



AlgaJ leaf spot, 96. 

 AUernaria citri, 104. 

 Anthrai-nose, 79, 102. 

 Armillaria mellea, 60. 

 Aschersonia cuiensis, 118. 

 aleyrodis, 118. 



Asperf)ilht''i flavus, 116. 

 niger, 116. 



Bench rooting, 58. 

 Bibliography, HO. 

 Black melanose, 96. 

 Blight, 61. 



Blossom end-rot, 103. 

 Blue mold, 101. 

 Bordeaux mixture. 111. 



paste, 112. 

 Buckskin, 108. 

 Burning, oil, 10.5. 



Cajanus indicus, 96. 

 Canker, Diplodia, 68. 

 Capnodium citri, 98, 117. 

 Cephaleuros virescens, 96, 1 1 1 . 

 Ccphulo-sporium lecanii, 118. 

 Citrus diseases: 



investigations of, 45. 



not present in Porto Rico, 46. 



relation of — 



cultivation, 51. 



cultural practices, 48. 



fertilizing, 52. 



liming, 52. 



nursery and planting stock, 



50. 

 pruning, 53. 

 wind protection, 52. 

 Citrus industry in Porto Rico, 43. 

 Citrus species, 117. 

 Cladosporium citri, 87. 

 Collctotrk-huvi fiJoeosporioides 79, 102, 



117. 

 Copper sulphate. 116. 

 Corrosive sublimate, 116. 



Corticiinn confiuens, 117. 

 Cortiehm salmonicolor, 76, 117. 

 Creasing, 107. 

 Crown rot, 58. 



Cultivation, relation to disease, 51. 

 Cultural practices, relation to diseases, 

 48. 



DaJdinid concenirica, 117. 

 Damping off, 57. 

 Dendropenwn bicolor, 83. 



caribaeum, 83. 

 -Diagrams, grove, 55. 

 Dieback, 78. 



Diplodia, 68. 

 Dilution table, 115. 

 Diplodia canker, 68. 

 dieback, 68. 

 Diplodia natalemis, 68, 99, 117. 

 Diplodia rot, 99. 

 Disinfectants, 116. 

 Drops, .Tune, 104. 



Kntoniogeuous fungi, 118. 

 Epiphytic plants, HO. 

 Exanthema, 78. 



Fertilization, relation to disease, 52. 



Foot rot, 61. 



Formaldehyde, 1 1 6. 



Freuching, 98. 



Fruit rot, 99. 



Fungi, citrus, 116. 



entomogenous, 118. 

 Fusarmm sp., 103. 



limonis, 63. 



Gandul, 96. 

 Greasy spot, 9(). 

 Grapefruit gummosis, 67. 

 C.rove diagram, 55. 



sanitation, 54. 



planting, 51. 



site, selection of, 49. 



121 



