Bibliography 323 



Kramer, M. and F. W. Went 1949. The nature of the auxin in tomato stem tips. 



Plant Physiol., 24:207-221. 

 Kraus, E. J. AND H. R. Kraybill 1918. \'cgetation and reproduction with special 



reference to the tomato. Oregon Sta. Bull., 149:1-90. 



and J. W. Mitchell 1947. Growth-regulating substances as herbicides. 



Bot. Gaz., 108:301-350. 



Krauss, B., J. Fo, H. E. Clark and G. T. Nightingale 1948. Use of BNA sprays to 

 delay ripening, improve pineapple yields and fruit shape. Pineapple Research 

 Inst. Special Report, 10:1-14. 



Kries, O. H. 1946. Persistence of 2,4-D in soil in relation to water, organic matter 

 and lime. Bot. Gaz., 108:510-525. 



Kruyt, W. 1954. A study in connection with the problem of hormonization of seeds. 

 Ph.D. Thesis. University of Utrecht. 



KuLEscHA, Z. 1948. Use of trypsin for extraction of plant-growth substances from 

 plant tissues. Compt. Rend. Soc. Biol., 142:931-933. 



Kutsky, R. 1952. Effects of indolebutyric acid and other compounds on virus con- 

 centration in plant tissue cultures. Science, 115:19-20. 



AND T. E. Rawlins 1950. Inhibition of virus multiplication by naphtha- 



leneacetic acid in tobacco tissue. Jour. Bact., 60:763-766. 



KvAMME, O. J., C. O. Clagett and W. B. Treumann 1949. Kinetics of the action of 

 the sodium salt of 2,4-dichlorophenoxyacetic acid on the germ lipase of wheat. 

 Arch. Biochem. and Biophys., 24:321-328. 



LaBaw, G. D. and N. W. Desrosier 1954. The effect of synthetic plant auxins on 

 the heat resistance of bacterial spores. Food Res., 19:98-105. 



Laibach, F. 1933. Versuche mit Wuchsstoffpaste. Ber. Deutsch. bot. Ges., 51:386-392. 



1934. Zum Wuchsstoffproblem. Der Ziichter, 6:49-53. 



AND O. FiscHNicH 1935. Kiiustliche Wur/clneubildung mittels Wuchsstoff- 

 paste. Ber. Deutsch. bot. Ges., 53:528-539. 



AND O. FiscHNiCH 1936. Uber Blattbewegungen unter dem Einfluss von 



kiinstlich zugefiihrtem Wuchsstoff. Biol. Zentralbl., 56:62-68. 



AND F. J. Kribben 1950. Uber die |3-IndolyIessigsaure fiir die Blutenbil- 



dung. Ber. Deutsch. bot. Ges., 63:119-120. 

 Lang, A. 1952. Physiology of flowering. Ann. Rev. Plant Physiol., 3:265-307. 

 Langston, R. G. 1954. The reproductive physiology of plants with special reference 



to peppermint. Ph.D. Dissertation. Purdue University, Lafayette, Indiana. 

 Larsen, p. 1940. iJber Hemmung des Streckungswachstums durch natiirlich vor- 



kommende, iitherlosliche Stoffe. Planta, 30:160-167. 

 1944. 3-Indole acetaldehyde as a growth hormone in higher plants. Dansk 



Bot. Ark., 11:1-132. 



1947. Avena curvatures produced by mixtures of growth promoting and 



growth retarding substances. Amer. Jour. Bot., 34:349-356. 



1949. Conversion of indole acetaldehyde to indoleacetic acid in excised 



coleoptiles and in coleoptile juice. Ibid., 36:32-41. 



1951. Formation, occurrence and inactivation of growth substances. Ann. 



Rev. Plant Physiol., 2:169-198. 



1951. Enzymatic conversion of indole acetaldehyde and naphthalene 



acetaldehyde to auxins. Plant Physiol., 26:697-707. 

 La Rue, C. D. 1936. Effect of auxin on abscission of petioles. Proc. Natl. Acad. Sci., 



22:254-259. 

 Leaper, J. M. AND J. R. Bishop 1950. Relation of halogen position to physiological 



