91 



Table B. Number of Known Varieties of Selected Crops 3/ 



Crop 



Soybean 



Wheat 



Corn 



Rice 



Watermelon 



Cauliflower 



# Application 

 Varieties 



285 (36.8%) 

 153 (49.8%) 

 265 (26.4%) 



18 (6.2%) 

 10 (4.2%) 

 21 (3.7%) 



# Other Varieties 

 (Non-Applications) 



490 (63.2%) 

 154 (50.2%) 

 737 (73.6%) 



274 (93.8%) 

 226 (95.8%) 

 541 (96.3%) 



3/ Source: PVP crop databases, records entered between 1986 



and 1993 . Note that the date a record was entered 

 does not always accurately reflect the date when 

 the variety was released. 



