6 BULLETIN 162, U. S. DEPARTMENT OF AGRICULTURE. 
There still remains much to be done in testing these adapted varie- 
ties on different stocks. The few experiments made so far indicate 
that this is a very promising direction for experimentation. 
It seems certain that some of the seedlings selected from among the - 
Spanish or Mexican sorts will prove more immune to chlorosis and 
generally better adapted to the conditions than the seedling stock 
ordinarily used by nurserymen. The newly introduced Chinese wild 
peach (Amygdalus davidiana) also gives promise of a high degree of 
immunity to the local soil difficulties. It remains to be shown just 
Fic. 2.—A tree of the Honey peach, one of the most reliable for the San Antonio section. This tree 
islocated inthe variety-testing orchard in field A-1. Although the trees in this orchard are planted 
closer together than is desirable for commercialplantings and the orchard has never been irrigated, the 
trees have made a good growth and some of the varieties have fruited abundantly. (Photographed 
June 25, 1912.) 
how much can be gained by working some of the more desirable but 
susceptible varieties on these resistant stocks. 
In the variety test here reported no special stocks have been used. 
The trees in the test were purchased from commercial nurseries in 
Texas and the northern part of Florida and were presumably budded 
upon the seedling stocks in ordinary use in those nurseries. 
In this test fie trees of 30 varieties were set in January, 1906, and 
5 varieties were set in March of the following year. Two trees of each 
variety were planted and the orchard has been given thorough, clean 
cultivation, except for the plowing under of a winter crop of Canada 
