62 MISC. PUBLICATION 4 4 0, U. S. DEPARTMENT OF AGRICULTURE 



(38) Thaxter, Roland. 



1800. the onion macrosporium ( macrosporium sarctnula berk.. variety 

 parasiticum THiJM.). Conn. (State) Agr. Expt. Sta. Ann. Rpt. 

 1889: 158-161, illus. 



(39) 



1890. THE "SMUT" OF ONIONS, (UROCYSTIS CEPULAE FROST. I . Onil. (State) 



Agr. Expt. Sta. Ann. Rpt. 1889: 129-153, illus. 



(40) Van Pelt, Wayne. 



1917. black mold of onions, a new fungus disease causing serious dam- 



AGE in storage houses. Ohio Agr. Expt. Sta. Monthly Bill. 2: 

 152-156, illus. 



(41) Walker, J. C. 



1918. CONTROL OF NECK ROT AND ANTHRACNOSE OF ONION SETS. Phyto- 



pathology 8: 70. 



(42) — 



(43) 



(44) 

 (45) 

 (46) 



(47) 



(48) 



(49) 

 (50) 



1920. experiments upon FORMALDEHYDE-DRIP control of onion smut. 

 Phytopathology 10: [323] -327. 



1921. rust of onion followed by a secondary parasite. Phytopa- 



thology 11:87-90, illus. 



1921. a macrosporium rot of onion. (Abstract) Phytopathology 11: 53. 

 1921. onion smudge. Jour. Agr. Res. 20: 685-722, illus. 



1923. disease resistance to onion smudge. Jour. Agr. Res. 24 : 1019- 

 1040, illus. 



1924. WHITE ROT OF ALLIUM IN EUROPE AND AMERICA. Phytopathology 



14: [315] -322, illus. 



1925. CONTROL OF MYCELIAL NECK ROT OF ONION BY ARTIFICIAL CURING. 



Jour. Agr. Res. 30: 365-373, illus. 



1926. botrytis neck rots of onions. Jour. Agr. Res. 33 : 893-928. illus. 



1931. onion diseases and their control. U. S. Dept. Agr. Farmers' 

 Bui. 1060, 25 pp., illus. [Revised.] 



(51) and Jones, L. R. 



1921. relation of soil temperature and other factors to onion smut 

 infection. Jour. Agr. Res. 22: 235-262, illus. 



((52) and Lindegren, Carl C. 



1924. further studies on the relation of onion scale pigmentation to 

 disease resistance. Jour. Agr. Res. 29: 507-514. 



(53) and Link, Karl Paul. 



1935. toxicity of phenolic compounds to certain onion bulb parasites. 

 Bot. Gaz. 96 : 468-484. 



(54) and Murphy, Albert. 



1934. onion-bulb decay caused by ASPERGnxus ALLiACEUs. Phytopa- 



thology 24: 289-291, illus. 



(55) and Tims, E. C. 



1924. A FUSARIUM BULB ROT OF ONION AND THE RELATION OF ENVIRONMENT 



to its development. Jour. Agr. Res. 28 : 683-694. illus. 



(56) Wollenweber, H. W., and Reinking, O. A. 



1935. DIE fusakien, ihre beschriebung, schadwirkung und bekampfung. 



355 pp., illus. Berlin. 



(57) Wright, R. C. 



1927. some effects of freezing on onions. U. S. Dept. Agr. Dept. Cir. 

 415, 8 pp., illus. 



(58) Lauritzen, J. L, and Whiteman, T. M. 



1935. INFLUENCE OF STORAGE TEMPERATURE AND HUMIDITY ON KEEPING 

 QUALITIES OF ONIONS AND ONION SETS. U. S. Dept. Agr. Tech. Bill. 



475, 38 pp., illus. 



