168 HISTOEY AND CAUSE OF THE COCONUT BUD-ROT. 



Page. 

 Central Agronomical Station, Cuba, investigations of coconut bud-rot. . 14, 22-23, 162 



Ceylon, source of coconut products 19, 161, 162 



Chemicals, application for control of bud-rot 56-58, 61-63, 162 



Chlorid, mercuric, effect on growth of bud-rot organism 114-115 



Cienfuegos, Cuba, occurrence of coconut bud-rot 12 



Citric acid. See Acid, citric. 



Clay, relation of presence in soil to bud-rot 32, 146-147 



Climate, relation to coconut bud-rot 9, 24, 147, 151 



Cockroaches, presence on palms affected by bud-rot 48, 61 



Coconut, comparison of bud-rot organisms with Bacillus coli 64-136, 142-146, 163 



conditions of industry in the West Indies 9, 27-36, 161-163 



exports of various countries 9, 159-161 



groves, loss due to bud-rot, in the West Indies. . . 11, 27, 28, 34, 135, 161, 163 



inoculations of seedlings with Bacillus coli 126-136, 139, 163 



6tructural studies of tree 36-38, 156-157, 162 



use of products in testing bud-rot organism 117-118, 122-124, 138 



value and sources of products 159-161, 163 



Cohn's solution. See Solution, Cohn's. 



Coleman, L. C, on disease of the areca palm 154, 155 



Colombia, source of coconut products 36, 160 



Colonies, bacterial, comparison 40-45, 



64-65, 67, 71, 77, 80, 89-90, 114, 119-122, 126-127, 129-133, 141 



Color, relation to bud-rot organism 71, 



76, 93, 98, 100-101, 106-109, 118, 120-122, 137, 138 

 See also Litmus; and Red, neutral. 

 Control of bud-rot, methods and experiments. See Bud-rot, control of disease. 



Copeland, E. B., on occurrence of bud-rot in the Philippine Islands 19 



Copper sulphate, application for control of bud-rot 56-57, 162 



Coquillett, D. W., identification of insects in bud-rot tissues 51 



Courmont, J., and Lacomme, L., on test for Bacillus coli 107 



Cradwick, W., on occurrence of bud-rot in Jamaica 23, 162 



Cuba, occiirrence of diseases on palms 9, 11-14, 22-23, 



27-30, 33, 40^2, 47^9, 51, 52, 59-62, 135, 139-143, 145, 152, 155, 161-163 



soiu'ce of coconut products 160, 163 



Cucumbers, bacterial inoculations producing rote 44 



Cultural experiments. See Experiments. 



Cyclonotum fiavicorue, presence on palms affected by Ijud-rof 61 



Damage. See Losses. 



Davalos, Dr., on cause of soft rot of the coconut 39, 151 



Demerara, British Guia-na, occurrence of coconut bud-rot 16, 34, 40, 143 



Desiccation, effect on growth of bud-rot organism 125 



Dextrose, use in testing bud-rot organism 52, 68-72, 76-83, 85-87, 91, 



93, 96, 99, 104-106, 115, 117, 127, 129-131, 133, 134, 137-139, 142, 144, 145 

 Diagnosis of bud-rot. See Bud-rot, indications of presence of disease. 



Diplodia, relation to coconut bud-rot 47, 155 



Dipotassium phosphate, use in media for growth of bud-rot organism 104-106 



Disodic phosphate. See Phosphate, di'^odic. 



Doane, R. W., on injury f o coconut trees by scale insects 148 



Dolt, M. L., on method of identifying Bacillus coli 80 



Dolt's synthetic medium. See Agar, Dolt's synthetic. 



Dominican Republic, reported occurrence of coconut bud-rot 18 



Drainage, relation to coconut bud-rot 33, 34, 147 



Dunham's solution. See Solution, Dunham's. 

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