306 • Impacts of Applied Genetics — Micro-Organisms, Plants, and Animals 
not been used extensively by the breeders, since 
desired mutations without detrimental effects are 
very difficult to obtain. Enough natural genetic 
variability seems to exist to satisfy needs in the 
foreseeable future. 
rhe National Wheat Improvement Committee has 
stated that the World Wheat Collection is inadequate- 
ly evaluated, characterized, and documented, forc- 
ing breeders to spend time and resources carrying 
out their own evaluation work. The committee has 
proposed a standard set of descriptors for all acces- 
sions in the collection, as well as an information 
management system to efficiently bring the informa- 
tion to the breeders. 
