Breeding of Timothy 



545 



of hybridizatiou less desirable than the second method, which we 

 shall now discuss. 



SeJectio7} 



The method of selection is usually most readily adapted to the 

 improvement of any crop. The technical skill necessary to hybri- 

 dization work is not required, nor does it take so long a period 

 of time to ju'oduce results. The efficacy of selection is based upon 

 the well-known fact that there is a large degree of variability 

 among the individual plants of a given species, which fact has 

 already been emphasized in calling attention to the complex 

 nature of an ordinary field of timothy. 



Fig. 598. Leafy, Erect, Good-Yield- 

 ing Type of Timothy. 



11 — 18 



