44 
Citrus and Tropical Fruit Culture 
The Fuerte avocado tree: one of the leading varieties for commercial planting 
About 1910 sufficient interest was created, by the 
fruiting of some of the Guatemalan seedlings then 
growing in different sections of Southern California, 
so that explorations were made into the highlands of 
Mexico and Guatemala in search of better and more 
frost resistant sorts, as a result of which we now 
have a number of desirable varieties that give promise 
of placing the industry on a substantial commercial 
basis in this state. 
In May, 1915, a number of people interested .in 
Avocado culture in California formed an organiza- 
tion known as the California Avocado Association, 
the object being to work together in establishing the 
Avocado culture on a more substantial basis. Due 
