ACTION OF FUNGICIDES 263 



tant and promise to be used even more extensively in the future. Organic 

 fungicides are generally more specific than inorganic fungicides. Satis- 

 factory fungicides for the control of certain diseases are still undiscovered. 



REFERENCES 



Barker, B. T. B., and C. T. Gimingham: The fungicidal action of bordeaux mix- 

 tures, Jour. Agr. Set. 4: 76-94, 1911. 

 Barratt, R. W., and J. G. Horsfall: Fungicidal action of metallic alkyl bisdi- 



thiocarbamates, Conn. Agr. Expt. Sta. Bull. 508, 1947. 

 Barron, E. S. G., and T. P. Singer: Studies on biological oxidations. XIX. SuLf- 



hydryl enzymes in carbohydrate metabolism, Jour. Biol. Chem. 157 : 221-240, 



1945. 

 CoLWELL, C. A., and M. McCall: The mechanism of bacterial and fungus growth 



inhibition by 2-methyl-l,4-naphthoquinone, Jo^ir. Bad. 51: 659-670, 1946. 

 *CoMMiTTEE ON THE STANDARDIZATION OF FUNGICIDAL Tests: The slide-germination 



method of evaluating protectant fungicides, Phytopathology 33 : 627-632, 1943. 

 Cook, E. S., G. Perisutti, and T. M. Walsh: The action of phenylmercuric nitrate. 



II. Sulfhydryl antagonism of respiratory depression caused by phenylmercuric 



nitrate, Jour. Biol. Chem. 162 : 51-54, 1946. 

 Dillon-Weston, W. A. R., and J. R. Booer: Seed disinfection. 1. An outline of 



an investigation on disinfectant dusts containing mercury. Jour. Agr. Sci. 26 : 



628-649, 1935. 

 FiLDES, P.: The mechanism of the anti-bacterial action of mercury, Brit. Jour. 



Exptl. Path. 21 : 67-73, 1940. 

 Fleury, C.: Action de la thio-uree sur V Aspergillus niger. Role particulier joue 



par la source d'azote nitrique, Bull. soc. botan. Suisse 58 : 462-476, 1948. 

 FooTE, M. W., J. E. Little, and T. J. Sproston: On naphthoquinones as inhibitors 



of spore germination, Jo2ir. Biol. Chem. 181: 481-487, 1949. 

 Foster, A. A.: Acceleration and retardation of germination of some vegetable seeds 



resulting from treatment with copper fungicides, Phytopathology 37 : 390-398, 



1947. 

 Frear, D. E. H.: Chemistry of Insecticides, Fungicides and Herbicides; 2d ed., 



D. Van Nostrand Company, Inc., New York, 1943. 

 Geiger, W. B. : The mechanism of the antibacterial action of quinones and hydro- 



quinones. Arch. Biochem. 11 : 23-32, 1946. 

 Geiger, W. B.: Antibacterial unsaturated ketones and their mode of action. Arch. 



Biochem. 16: 423-435, 1948. 

 GoLDSwoRTHY, M. C, and E. L. Green: Availability of the copper of Bordeaux 



mixture residues and its adsorption by the conidia of Sclerotinia fructicola, 



Jour. Agr. Research 52: 517-533, 1936. 

 Gries, G. A.: Juglone (5-hydroxy-l,4-naphthoquinone) — a promising fungicide, 



Phytopathology 33: 1112, 1943. 

 Gries, G. A.: Juglone — the active agent in walnut toxicity. Northern Nut Growers 



Assoc. Ann. Kept. 34: 52-55, 1943a. 

 *HoRSFALL, J. G.: Fungicides and Their Action, Chronica Botanica Co., Waltham, 



1945. 

 Large, E. C: The Advance of the Fungi, Henry Holt and Company, Inc., New 



York, 1940. 

 Leben, C, and G. W. Keitt: Laboratory and greenhouse studies of antimycin 



preparations as protectant fungicides. Phytopathology 39 : 529-540, 1949. 



