CALIFORNIA AVOCADO ASSOCIATION 



45 



Letters for the Committee or samples by parcels post for testing should be 

 sent to the Chairman at Upland. 



CHAS. D. ADAMS, Chairman. 

 T. U. BARBER, 

 WM. HERTRICH, 

 C. F. KINMAN, 

 L. B. SCOTT. 



The Board of Directors recommend that the members give the five varieties 

 oi the standard list recommended by the Committee careful consideration in their 

 planting, as there is a possible chance at the present time of over planting some 

 of the new promising varieties, none of which have been in bearing under various 

 conditions long enough to justify recommending them with safety on the standard 

 list. Most of these varieties mature their fruits during spring and summer. We 

 wish to advise to plant cautiously along this line because it will lead to an over 

 crowded market condition at a time when prices are somewhat lower than late 

 fall and winter. 



LIST OF RECOMMENDED AVOCADO VARIETIES WITH BRIEF 

 DESCRIPTIONS 

 Wt. of Wt. of 



Season Dates, Fruit Seed Color of 



Varieties Inclusive in Oz. in Oz. Shape of Fruit Mature Fruits 



Fuerte Jan. to April 14 to 20 1 |/2 to 2^ Obovate to pyriform Dull Green 



Spinks March to Oct. 16 to 20 2 to 3 J/2 Obovate to pyriform Purp. Black 



Dickinson May to Sept. I to I 6 1 J/2 to ^ Pyriform Dark Purple 



Sharpless Sept. to Jan. 16 to 20 2 to 3 Pyriform Dark Purple 



Puebla Nov. to Jan. 6 to I 4 I J4 *o 2 J/2 Py"form Dark Purple 



FURTHER WORK ON THE MATURITY OF AVOCADOS 



C. G. CHURCH AND E. M. CHACE 

 Citrus By-products Laboratory, Bureau of Chemistry, 

 United States Department of Agriculture 



The work reported to your Association this year consists of the results of 

 the systematic analysis of monthly samples of the fruit of the eight varieties of 

 avocados recommended for commercial planting by the Association at the time 

 the work was started. The data are fairly complete in all but a few cases. 

 Wind storms, theft of fruit and the difficulty of locating a satisfactory tree for 

 sampling have reduced the number of samples in a few varieties. The purpose 

 of the work is to ascertain whether or not maturity of the fruit can be judged 

 from these analyses. 



Methods of Sampling 

 The trees used for sampling were as follows : A Fuerte at Yorba Linda, 

 a Taft at Yorba Linda, a Sharpless at Tustin, a Lyon at Whittier, a Dickinson 

 at Chula Vista, a Spinks at Duarte, a Puebla at San Fernando and a Blakeman 

 at Altadena. It would have been better for the purpose of the investigation if 

 all the trees could have been located in one planting, or at least in one district. 

 At this time, however, this condition was impossible of attainment. The number 

 of trees are yet too few to permit of any great latitude in the selection of locations, 



