58 MISC. PUBLICATION 4 6, U. S. DEPT. OF AGRICULTURE 



Punica granatum, pomegranate. 



Barker 1925: 15 Infestation reported from one locality in Mississippi. 

 Bessey 1911 (16): Injury severe. 



California Nematode Committee 1925: 16 Infested but profitable. 

 Gilbert 1914 (88): Listed as "most severely attacked." [Omitted from the 



1921 bulletin (89).] 

 Taubenhaus and Ezekiel 1933 (226): Infested occasionally; little loss. 



Texas. 



Pursley, see Richardia. 



Pyrus communis, common pear. 



Day (quoted by Currie (52)): Seedlings not entirely resistant, but seem to 

 prosper in spite of the infestation. California. 



Frank 1885 (68): Galls numerous outdoors; plot used for experimental- 

 infestation of other plants. Germany. 



Tarnani 1898 (225): Lindemann was probably wrong in attributing galls to 

 root knot. [See explanation under Malus.] 



Tufts and Day 1934 (234): Seedlings of 10 varieties tested 2 years in 

 nursery, none resistant; infestation moderate on 7 varieties, light on 

 Vars. Beurre Hardy, Easter Beurre, P. Barry. California. 



Watson and Goff 1937 (258): Pear attacked to some extent but not so 

 seriously injured; can usually be raised successfully in heavily infested 

 soil. Florida. 



Pyrus pashia (P. variolosa) , Pashi pear. 



Tufts and Day 1934 (234): Seedlings free from infestation (1 season, 1934, 

 in Delhi nursery). California. 



Pyrus, pear (hybrids?). 



Hume 1937: 17 No damage to the growth of pears in the "Chinese section." 

 Florida. 



Pyrus, see also Malus. 

 Quackgrass, see Agropyron. 



Quercus spp., oak. (C) 



Ducomet 1908 (56): Galls numerous on surface roots of the cork oak, Q. 



suber, especially in young plantings; fungus invasion later apparently 



kills the infested roots; evidence of defense reactions by the plant. 



France. 



Gardner 1926 (75): Both Q. agrifolia, California live oak, and Q. suber, 



cork oak, were found to be hosts. California. 

 Hume 1937: 18 No species has been seen "affected." Florida. 



Quince, see Cydonia. 

 Quinine tree, see Cinchona. 



Radicula walteri. (M) 



Bessey 1911 (16): Nematodes not abundant and no injury observed. 



Ragi, see Eleusine. 

 Raspberry, see Rubus. 



Redtop grass, see Agrostis and Tricholaena. 

 Rescue grass, see Bromus. 

 Rhodes grass, see Chloris. 



Rhododendron spp., azalea. (C) 



Hume 1937: 19 All azaleas, American and oriental, are free from injury year 

 after year. Florida. 



Rhynchosia intermedia (Dolicholus intermedius) . (C) 



Bessey 1911 (16): Nematodes not abundant and no injury observed. 



15 See report of Barker on p. 102 of reference given in footnote 82, 



i6 See footnote 6. p. 8. 



n is 19 See <\otnote 5, p. 8. 



