AORICLLTURAL EXPKRIMKNT STATION. 



79 



is shown ill plate IV and a cluster of fniit — natural size — from the 

 same plant at plate I. We are now endeavoring by selection to 



Fig. 5— lorillard. 

 "fix" the type, as we have found that further crossing with Loril- 

 lard tends to obliterate the effects of the original male parent. 



What then is the ground covered in the general investigation of 

 plant-breeding? 



First — A study of the influence of environment, of the laws of 

 heredity and of the principles of selection. 



Second — The application of general principles in the pioduction 

 of new varieties of fruits and vegetables to meet special needs. 



*Eep. Maine £xii. Sta., 189-2, p. 68. 



