THE 



AMERICAN NATURALIST 



Vol. LII. August-September, 1918 Nos. 620-621 



THE RELATION BETWEEN COLOR AND OTHER 

 CHARACTERS IN CERTAIN AVENA CROSSES 1 

 PROFESSOR H. H. LOVE and W. T. CRAIG 

 In Cooperation with the Office of Cereal Investigations, U. S. 

 Department of Agriculture 



Species crosses among oats have not been studied to 

 any great extent, yet they offer some very interesting 

 problems. Trabut 2 says : 



methodically attempted to my knowledge, and there is here* a very 

 interesting open field. It is true that we have yet to determine in what 

 degree a true hybridization will be possible. If Arena fatmt sativa 



very useful mixed characters. A. abyssinica will gain by being crossed 

 with the really superior A. strigosa. But in the matter of hybridization 

 there is much more to be gained from experimentation than from the 



Since this paper was read (1911) some studies have 

 been reported on with different species crosses in oats. 

 Zade 3 discusses results obtained from a cross between 

 fatua and sativa. He found Y 1 to be intermediate and 

 that the F 2 gave types resembling fatua, sativa, and the 

 F 3 intermediate type. These with respect to awns and 

 hairs gave a 1:2:1 ratio. 



Surface 4 has described rather fully some results ob- 



i Paper No. 70, Department of Plant Breeding, Cornell University, Ithaca, 

 N. Y. 



* Journal of Heredity. Vol. 5, pp. 84-85, 1914. (Translated from the 



aDer Flughofer, Deut. Landw. Gesell Ab., 279: 1-91, 1912. 

 « Genetics, Vol. 1, No. 3, pp. 252-286, May, 1916. 



