Page:Bergey's manual of determinative bacteriology.djvu/169

 Source: Isolated from a brown leaf spot of iris. Habitat : Pathogenic on Iris tectorum and Iris japonica.

133. Pseudomonas levistici Osterwalder, 1909. (Cent. f. Bakt., II Abt., 25, 1909, 260.)

le.vis'ti.ci. L. neut.noun ligusticum a Ligurian plant, lovage; L. neut.noun levisticum a corruption of ligusticum; M.L. neut.noun Levisticum generic name of lovage; M.L. gen.noun levistici of Levisticum.

Rods 0.5 to 0.7 by 1.1 to 1.5 microns. Motile with a polar flagellum. Gram-negative.

Gelatin: Colonies greenish white. Liquefied.

Nutrient agar: Good growth at room temperature. Yellowish white.

Broth: Pellicle.

Indole produced.

Hydrogen sulfide not produced.

Source: Isolated from spots on the leaves of lovage.

Habitat: Pathogenic on lovage, Levisticum officinale.

134. Pseudomonas maublancii (Foex and Lansade, 1936) Săvulescu, 1947. (Bacterium maublancii Foex and Lansade, Compt. rend. Acad. Sci., Paris, 202, 1936,2174; Săvulescu, Anal. Acad. Romane, III, 22, 1947, 11.)

mau.blan'ci.i. Maublanc, patronymic; M.L. gen.noun maublancii of Maublanc. Rods 0.4 by 1.3 microns. Motile with 1 to 3 polar flagella. Gram-negative.

Gelatin: Liquefied.

Gelatin colonies: Round, translucent, margins entire.

Broth: Thin pellicle.

Milk: Not coagulated; clears.

Nitrites not produced from nitrates.

Indole not produced.

Hydrogen sulfide not produced.

Carbohydrates not fermented.

Ammonia produced.

Growth in Fermi's solution, not in Uschinsky's solution.

Source: Isolated from rotting vascular and parenchymatic tissue of banana stalks.

Habitat: Causes a disease of the banana plant.

135. Pseudomonas polygoni (Thornberry and Anderson, 1937) Burkholder, 1948. (Phytomonas polygoni Thornberry and Anderson, Phytopath., 27, 1937, 947; Burkholder, in Manual, 6th ed., 1948, 140.)

po.ly'go.ni. Gr. polygonum knot weed; M.L. neut.noun Polygonum generic name; M.L. gen.noun polygoni of Polygonum.

Rods 0.5 to 1.5 by 1.5 to 2.5 microns. Motile with 2 to 8 bipolar flagella. Encapsulated. Gram-positive (?). Other species reported by these investigators as Gram-positive have proved to be Gram-negative on a retest (Burkholder).

Gelatin: Liquefied. Brown.

Glucose agar slant: Abundant, filiform, flat, dull, smooth, pale olive-gray, butyrous. Medium turns brown.

Broth: Turbid. Pellicle.

Milk: Alkaline and clears. Litmus not reduced.

Nitrites not produced from nitrates.

Indole not produced.

Hydrogen sulfide not produced.

No appreciable amount of gas from carbohydrates.

Starch: No hydrolysis.

Temperature relations: Optimum, 18° C. Minimum, 7° C. Maximum, 35° C.

Aerobic.

Source: From diseased leaves of Polygomim convolvulus in Illinois.

Habitat: Pathogenic on black bindweed, Polygonum convolvulus.

136. Pseudomonas radiciperda (Javoronkova, 1932) Săvulescu, 1947. (Bacterium radiciperda Javoronkova, Bull. Plant Protect., Leningrad, Ser. II, 5, no. 1, 1932, 161; Săvulescu. Anal. Acad. Romane, III, 22, 1947, 11.)

ra.di.ci.per'da. L. radix, radicis root; L. perdo to destroy; M.L. fem.noun radiciperda the root destroyer.

Description from Javoronkova (Rev. App. Myc, 11, 1932, 652).

Rods 0.8 by 1.0 to 2.0 microns. Encapsulated. Motile by means of 1 or 2 polar flagella. Gram-negative.

Gelatin: Liquefied.