

UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 925 



Contribution from the Bureau of Plant Industry 

 WM. A. TAYLOR, Chief 



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Washington, D. C. 



PROFESSIONAL PAPER 



February 18, 1921 



A BRACHYTIC VARIATION IN MAIZE 



By 



J. H. KEMPTON 



Assistant in Crop Acclimatization 



CONTENTS 



Page 



Definition of Brachysm . 1 



Review of the Literature 2 



Origin and Description of the Variation 2 



Inheritance of Other Brachytic Variations 6 



Morphological Significance 8 



Associated Changes 9 



Agricultural Advantages *. . 11 



Inheritance of Brachysm in Hybrids with Commercial Varieties ..... 14 



Conclusions 26 



Literature Cited 28 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1921 



