. Bulletin : report of Agricultural Experiment Station, Agricultural and Mechanical College, Auburn, Ala. Agriculture -- Alabama. PLATE Tii^. 1. Fig. 2. Fig. 3. Fig. I. l-'ig. .">. FiiT. (L / cunker spots on grapefruit leaves, iialural in- fection. Spongy, wliite, ])r()niinenlly ])('ting cankers on leaf and twig of grapefruit. i'lant inoculated with ])ure culture and continuously kej)! in a inoisi atmos- phere. Infection resulting from inunersion of leaf in suspen- sion containing Pseudomonas citiM. Cankei-s occupy nearly the whole of ihe lower leaf surface. Natural
. Bulletin : report of Agricultural Experiment Station, Agricultural and Mechanical College, Auburn, Ala. Agriculture -- Alabama. PLATE Tii^. 1. Fig. 2. Fig. 3. Fig. I. l-'ig. .">. FiiT. (L / cunker spots on grapefruit leaves, iialural in- fection. Spongy, wliite, ])r()niinenlly ])('ting cankers on leaf and twig of grapefruit. i'lant inoculated with ])ure culture and continuously kej)! in a inoisi atmos- phere. Infection resulting from inunersion of leaf in suspen- sion containing Pseudomonas citiM. Cankei-s occupy nearly the whole of ihe lower leaf surface. Natural infection on Citrus trifoliata leaf. Suspension of Pseudomonas citri ai)plied with an atomizer to Satsuma orange leaves, with I'esultant canker. Old cankeis on Satsuma Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Agricultural and Mechanical College of Alabama. Agricultural Experiment Station. Auburn, Ala. : The Station
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