144 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. 



years instead of being principally in the first. Many of its disad- 

 vantages may be inferred from what has already been said of the 

 advantages of bench grafting. The principal are the extreme difficulty 

 of obtaining a perfect stand, the trouble with scion roots and stock 

 suckers, the impossibility of detecting imperfect unions until the vines 

 die, and finally the greater ultimate cost. 



ACKNOWLEDGMENTS. 



In the preparation of this bulletin I have been greatly assisted by 

 many grape-growers and nurserymen who have kindly allowed me to 

 examine their methods, notably by Messrs. Frank Swett of Martinez, 

 W. G. Doidge of Lodi, George E. Roeding of Fresno, and Thomas 

 Casalegna of Evergreen. 



