328 Bibliography 



Mum, R. M. 1942. Growth hormones as related to the setting and development of 

 fruit in Nicotiana tabacum. Amer. Jour. Bot., 29:716-720. 



1947. The relationship of growth hormones and fruit development. Proc. 



Natl. Acad. Sci., 33:303-312. 



1951. The growth hormone mechanism in fruit development. In Skoog 



(Ed.): Plant Growth Substances. Univ. of Wis. Press, Madison. 



C. H. Hansch and a. H. Gallup 1949. Growth regulation by organic 



compounds. Plant Physiol., 24:359-366. 

 MuLLisoN, W. R. 1951. The relative herbicidal effectiveness of several derivatives 



of 2,4-D and 2,4,5-T. Plant Physiol., 26:773-777. 

 AND R. W. Hummer 1949. Some effects of vapor of 2,4-D derivatives on 



seeds. Bot. Gaz., 111:77-85. 



AND E. MuLLisoN 1948. Effects of growth regulators on fruit set, yield. 



and blossom-end rot of tomatoes grown under high temperatures. Ibid., 

 109:501-506. 

 MuRNEEK, A. E. 1940. Reduction and delay of fruit abscission by spraying with 

 growth substances. Proc. Amer. Soc. Hort. Sci., 37:432-434. 



1943. Caustic sprays to modify alternate fruit production. Ibid., 42:177-181. 



1950. Relative value of hormone sprays for apple thinning. Ibid., 55:127- 



136. 



1952. Plant growth regulators during fertilization and post-fertilization 



periods. Ibid., 59:207-217. 



AND F. G. Teubner 1953. The dual action of naphthaleneacetic acid in 



thinning of apples. Ibid., 61:149-154. 



S. H. Wittwer AND D. D. Hemphill 1944. Supplementary hormone sprays 



for greenhouse-grown tomatoes. Ibid., 45:371-381. 

 MuziK, T. J., A. J. Loustalot and H. J. Crusado 1951. Movement of 2,4-D in 



soil. Agron. Jour., 43:149-150. 

 MvERS, R. M. 1940. Effect of growth substances on the abscission layer in leaves 



of Coleus. Bot. Gaz., 102:323-338. 

 Nance, J. F. 1949. Inhibition of salt accumulation in excised wheat roots by 



2,4-dichlorophenoxyacetic acid. Science, 109:174-176. 

 Naylor, a. W. 1950. Effects of maleic hydrazide on flowering of tobacco, maize 



and cocklebur. Proc. Natl. Acad. Sci., 36:230-232. 



AND E. A. Davis 1950. Maleic hydrazide as a plant growth inhibitor. Bot. 



Gaz., 112:112-126. 



AND B. N. Rappaport 1950. Studies on the growth factor requirements of 



pea roots. Physiol. Plantarum., 3:315-333. 

 Neely, W. B., C. D. Ball, C. L. Hamner and H. M. Sell 1950. Effect of 2,4-D on 



invertase, phosphorylase and pectin methoxylase activity in bean plants. Plant 



Physiol., 25:525-528. 

 Nefe, M. S. and E. N. O'Rourke 1951. Factors affecting initiation of roots in 



transplanted tung trees. Proc. Amer. Soc. Hort. Sci., 57:186-190. 

 Newcomb, E. H. 1951. Effect of auxin on ascorbic oxidase activity in tobacco pith 



cells. Proc. Soc. Exptl. Biol, and Med., 76:504-509. 

 Newman, A. S. and |. R. Thomas 1949. Decomposition of 2,1 D in soil and liquid 



media. Soil Sci. Soc. Amer. Proc, 14:160-161. 

 NiEDERGANG, E. AND F. Skoog 1952. A reinterprctation of effects of TIBA on growth 



in terms of its effect on polarity and auxin transport (Abstract). A.I.B.S., 



Ithaca, N. Y. 



