

EXERCISE 49 {Continued) 

 DESCRIPTION SHEET FOR THE STUDY OF SORGHUMS 1 



• 



Common name 



Names sometimes used . 



i. Stalk: 



Tall, medium short, dwarf. 



Thick, medium, thin. 



Peduncles : erect, inclined, recurved. 



Internodes : long, medium, short. 



Stooling : abundant, not abundant. 



Pith : soft, fibrous. 



Juice : abundant, not abundant, sweet, slightly sweet. 



2. Leaf: 



Number per stalk 



Wide, medium, narrow. 

 Thick, thin, long, short. 

 Sheath : overlapping — little, much. 



3. Head: 



General color : black, dark red, light red, brown, yellow, green, white. 



Length in inches 



Width in inches 



Length equals times width. 



Very open, open, compact, very compact. 

 Flattened, equally developed on all sides, cylindrical. 

 Spherical, ovoid, obovoid, umbelliform. 



Rachis : erect, drooping as long as panicle. 



Branches : short, long, very long, erect, tips drooping, drooping, strongly drooping. 



4. Spikelet : 



Elliptic, oval, obovate, broadly obovate. 



5. Glumes : 



Color : black, straw, gray, greenish. 



Spreading, not spreading. 



Short, long, large, open, covering seed. 



Wrinkled. 



Pubescent, slightly pubescent. 



6. Seed: 



■ Brown, red, white, ivory white, white with spots, yellow, reddish yellow. 

 Conical, spherical, cylindrical, round, flattened, much flattened. 



7. Lemma : awned ; awnless. 



8. Characters for identification. 



From Kansas State Agricultural College. 



1991 



