Practical Fig Culture in Arizona 



33 



trees and yield of fruit during tha precsdlng ten years. This decrease 

 was no dou')t d'-x^ tj an inad^quati or intermittent supply of 

 irrigating water, the destruction of varieties by low temperatures 

 occurring at rare intervals, and the discarding of undesirable forms 

 which sour upon the trees before ripening, or which lack flavor and 

 quality, and varieties which are too soft for shipping. The decrease 

 in number of trees has been most fortunate as far as the selection 

 of stock for propagating purposes is concerned, since undesirable 

 forms have largely disappeared. 



Fig. 12. — Terminal branch from Capri No. 1, showing four Capri figs making narmil growth 

 due to parasitism by Blaslophaga psenes, the fig wasp. From photograph, horticultural files, Ari- 

 zona Experiment Station. 



The representatives of Adriatic types growing in nearly every 

 portion of the State where winter temperatures rarely fall below 

 15° F. to 18° F., except for periods of short duration, and the surviv- 

 ing specimens of earlier introduction from Old Mexico, California, 

 and other fig producing sections, give a large assortment of varieties 



