BUD SELECTION IN THE VALENCIA ORANGE 
9 
of this strain have been observed in Valencia orchards,, probably the 
result of the unintentional propagation of limb sports of this 
character. 
In 1910 a typical limb variation of the Willow-Leaf strain was 
found in one of the performance-record plots in the Valencia orchard 
of the Chase plantation at Corona, Calif. This limb was one of the 
main branches of the parent tree which otherwise bore normal fruits. 
The peculiar appearance of the foliage as well as the abnormal 
character of the fruits makes this variation of special interest. In 
1915 buds were obtained from this limb for a progeny test, the record 
of which is presented in Table 3, together with that of a neighboring 
progeny tree propagated at the same time from a branch of a normal 
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fZ | 
#-;j : - : ^v| 
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SuJ 
| 
. 5 ■£ 
' 
1 
jf| 
,* > * '•» _. /"^HJ 
Fig. 3. — A Valencia orange tree of the Willow-Leaf strain (right), which was propagated 
from a similar limb variation, in comparison with a tree of the normal Valencia strain 
(left) of the same age. These are listed as trees Nos. 11-7 and 11-6 in Table 3, and 
fruits from them are shown in Figure 4, University of California Citrus Experiment 
Station, Riverside, Calif., June, 1924 
parent tree. These two progeny trees are shown in Figure 3, and 
Figure 4 shows typical fruits from the same trees. From these data 
it will be observed that during the period of 1920-21 to 1925-26, 
inclusive, the Willow-Leaf progeny tree has produced a total of only 
112 fruits, all of which have been typical of this strain, whereas the 
comparable normal tree has borne a total of 1,551 fruits during the 
same period, all of which have been normal. 
Other progeny propagations have been made from time to time 
from this same Willow-Leaf bud variation, and although some of 
these trees have been located where performance records could not 
be obtained, observations have proved that in every instance the 
characteristics of the parent limb have been perpetuated as regards 
both foliage and fruit characters. 
30307°— 27 2 
