PRODUCTION" OF RUST RESISTANT TREES BY MUTAGENESIS 55" 



Mergen, F., and G. R. Stairs. 1962. Low level chronic gamma-irradiation 



of a pitch pine-oak forest— its physiological'and genetical effects on 



sexual reproduction. Radia. Bot. 2: 205-216. 

 Miksche, J. P., and T. D. Rudolph. 1968. Use of nuclear variables to 



investigate radiosensitivity of gymnosperm seed. Radiat. Bot. 8: 



I -"-192. 

 Mogs, A. 195 8. Les Mutations induites par les rayons x chez 1'orge 



distique (Hordeim sativum Jess, sub sp. distichum) . I. Bull. Inst. 



Agron. et Stat. Rech. de Gembloux. 26: 535-361. 

 Moes, A. 1959. Les Mutations induites par les rayons x chez 1'orge 



distique [Hordeum sativum Jess, sub sp. distichm) . II. Bull. Inst. 



Agron. et Stat. Rech. de Gembloux. 2": 167-221. 

 Murai, M. , and K. Ohba. 1966. Studies on radiosensitivity of forest 



trees. III. Effects of chronic gamma irradiation on the growth and 



foliar cell division of Japanese larch, Larix leptolepis in a gamma 



field. J. Jap. Forest. Soc. 48: 62-68. 

 Myers, K. M. , E. R. Ausemus, F.K.S. Koo, and K. J. Hsu. 1956. Resistance 



to rust induced by ionizing radiations in wheat and oats. Proc. Int. 



Conf. Peaceful Uses Atomic Energy 12: 60-62. 

 Nybom, N. 1954. Mutation types in barley. Acta Agr. Scand. 4: 430-456. 

 Oka, H. I., J. Hayashi, and I. Shiojiri. 1958. Induced mutations of 



genes for quantitative characters in rice. J. Hered. 49: 11-14. 

 Okunewick, J. P., S. Herrick, and E. N. Carlsen. 1964. Early response 



of Pi nus thunbergii to acute y-irradiation. Nature (London) 204: 



394-395. 

 Osborne, T. S., and A. 0. Lunden. 1965. Prediction of seed radiosensi- 

 tivity from embryo structure, p. 133-149. In The use of induced 

 :aticns in plant breeding. Radiat. Bot. 5, Suppl . 

 Prakken, R. 1959. Induced mutation. Euphytica 8: 270-322. 



alov, G. F. 1964. Experimental mutations of the vegetative organs 



of trees. A translation of ! emii Nauk SSSR. 150: 718-721. 



3. F. 1963. Somatic mutations of Acer negundb produced by 



(ionizing) radiation. Bjull. Mosk. Obsc. Ispyt. Prir. (Otd. Biol.) 



"0: 153-160. 

 Rudolph, T. D. 1965. The effect of gamma- irradiation of pollen on seed 



characteristics in white spruce, p. 185-191. In The use of induced 



mutations in plant breeding. Radiat. Bot. 5, Suppl. 

 Rudolph, T. D. 1966. Segregation for chlorophyll dificiencies and other 



phenodeviants in the Xi and X2 generations of irradiated jack pine. 



Joint Proc. 2nd Genet. Workshop Amer. For. Assoc, and 7th Lake States 



Forest Tree Improv. Conf. (U.S. Forest Serv., Res. Paper NC-6) : 18-23. 

 Rudolph, T. D. 1967. Effects of X-irradiation of seed on \\ and X2 



generations in Pinus banksiana Lambert. Radiat. Bot. 7: 303-512. 

 Shebeski, L. H. , and T. Lawrence. 1954. The production of beneficial 



mutations in barley by irradiation. Can. J. Agr. Sci. 34: 1-9. 

 Simak, 'A. , K. Ohba, and B. Suszka. 1961. Effect of X-irradiation on 



seeds of different weight from individual trees of Scots pine {Pinus 



silvestris L.). Bot. Notizer 114: 500-312. 

 Singleton, K. R. , C. F. Konzak, S. Shapiro, and A. H. Sparrow. 1956. The 



contribution of radiation genetics to crop improvement. Proc. Int. 



Conf. Peaceful Uses Atomic Energy 12: 25-30. 

 Smith, H. H. 1958. Radiation in the production of useful mutations. 



Bot. Rev. 24: 1-24. 

 Snyder, E. B. , H. C. Grigsby, and J. V. HidalgO. 1961. X-radiation of 



southern pine seed at various moisture contents. Silvae Genet. 10: 



125-131. 

 Sparrow, A. H. , R. C. Sparrow, K. H. Thompson, and L. A. Schairer. 1965. 



The use of nuclear and chromosomal variables in determining and predic- 

 ting radiosensitivities, p. 101-152. In The use of induced mutations 



in plant breeding. Radiat. Bot. 5, Suppl. 832 p. 



