Nov. 15,1924 Asexual Propagation in the Breeding of Rootstocks 
519 
Table I .—Showing data for the species and varieties of cuttings which formed 
either roots or a callus a —Continued 
Species and varieties 
Source 
Cutting 
No. 
Leaves 
Shoot: 
5 Callus 
Roots 
No 
growth 
Prunus sp. (Sharp Early) . _ 
Chico_ 
SPI 43178 
4 
4 
Prunus sp. (Wright Purple)_ ___ 
. .do _ ... 
SPI 43181 
7 
7 
Prunus sp. (Best Hybrid)._ .. _ 
_do 
SPI 43182 
14 
12 
Prunus sp_ __ ____ 
.do 
SPI 47935 
4 
1 
Prunus armeniaca _. _ 
.do 
SPI 26048 
4 
i 
1 
Do _ 
do 
SPI 28961 
3 
1 
Do_ 
.do 
SPI 28958 
3 
1 
Do_ _ 
.do 
SPI 28959 
2 
2 
Do _ 
. do 
SPI 28960 
4 
1 
Prunus bokhariensis , _ 
do 
SPI 40231 
4 
4 
Do _ __ 
do 
SPI 40233 
4 
4 
Do_ 
.do ... 
SPI 40229 
4 
3 
Do_ 
. do 
SPI 40224 
1 
1 
2 
Prunus cerasifera (purple)_ 
Riverside. 
20 
10 
8 
Prunus cerasifera _ 
„do . . 
18 
7 
Prunus cerasifera divaricata _ 
Chico. 
SPI 37463 
3 
3 
Prunus cerasifera X P. hortulana (?) (The 
Marianna type). 
Prunus dasycarpa _ _ 
Riverside. 
16 
16 
Chico.__ . 
6 
6 
Prunus domestica _ . ... 
do_ 
SPI 30690 
5 
5 
Do _ 
do 
SPI 33224 
4 
4 
Do___ 
. .do 
SPI 30692 
4 
1 
Do_ 
...do_ . 
SPI 34268 
7 
7 
Prunus domestica (stock of Tribble Bros., 
Riverside. 
15 
15 
Elk Grove, Calif.). 
A gen (French Prune)_ 
Chico. . 
2 
2 
2 
“ Do_’_ 
Davis_ 
8-13 
10 
5 
Clyman-. ____ 
.do 
5-9 
7 
2 
5 
3 
Columbia_ _ 
...do..... 
9-9 
10 
2 
Grand Duke_ 
.do .. .. 
12-9 
10 
_ 
8 
Imperial Epineuse_ _ __ 
_do_ 
4-15 
10 
2 
Italian Prune (Fellenberg)...:_ 
Chico. _ .. 
5 
1 
Peach Plum___ 
Davis 
13-8 
8 
6 
1 
1 
Pond _ 
_. do. _ _ 
11-9 
10 
3 
2 
Sergeant_ 
---do_.- r _ . 
5-15 
10 
10 
Standard_ 
Chico. .. 
5 
5 
Sugar _ _ 
do 
4 
4 
Do_ 
Davis. 
2-15 
10 
10 
Sultan_ 
.. do 
12-13 
2 
1 
4 
Tragedy _ _ _ 
do 
8-9 
8 
1 
2 
Yellow Egg__... _ _ _ 
. .do 
7-10 
10 
2 
Prunus fremoriti X (Prunes cerasifera ?)__ 
Prunus lycioides _ _ __ _ 
Riverside. 
19 
19 
Chico. 
SPI 24808 
4 
4 
Do_ 
_do 
SPI 28943 
3 
3 
Prunus mexicana __ 
Conn. 
27 
27 
Do ___- _ 
Riverside. 
32 
17 
1 
Prunus munsoniana __ _ . __ 
Conn.. _ 
22 
21 
1 
Prunus spinosa _ _ __ _ 
Riverside. 
12 
2 
2 
Prunus spinosa X P ■ domestica 
Chico. 
SPI 32671 
9 
4 
1 
Do..*.... 
_do 
SPI 32673 
10 
10 
Prunus salicina: 
Abundance__ _ 
Davis_ 
14-8 
10 
4 
Satsuma_ _ 
_do 
13-12 
10 
10 
Santa Rosa____ 
Chico.. 
3 
3 
Prunus salicina (?) X Combination_ 
Davis . 
3-9 
9 
4 
5 
Prunus salicina X P- armeniaca (Rutland 
Plumcot). 
Prunus salicina X -P. simonii _ 
Chico.._ 
4 
2 
Wickson__ 
Chico. 
1 
1 
3 
Climax_... _ _ 
Davis. _. 
15-19 
10 
4 
Prunus subcordata _ _ _ 
Chico._ 
SPI 32168 
4 ! 
2 
Pyrus sp_ _ 
_do ... 
SPI 26591 
5 
5 
Do*_ 
...do_ 
SPI 30308 
3 
1 
1 
Do _ _ 
.. do 
SPI 37071 
5 
5 
Do . 
do 
SPI 38799 
4 
1 
Do _ 
.do 
SPI 44276 
4 
2 
Pyrus amyqdaliformis _ ._ 
_do 
SPI 43754 
5 
5 
Pyrus betulaefolia ___ 
. do 
SPI 21982 1 
SPI 44006 ' 
5 
5 
Pyrus calleryana ___ 
_do 
6 
6 
Pyrus communis _ ___ 
_do 
SPI 32736 i 
4 
4 
Do _ 
.do 
SPI 32739 ! 
4 
4 
Do _ _ 
_do . . 
SPI 32745 i 
_...j 
4 
4 
Do . _ 
. .do 
SPI 32746 i 
6 
2 
Do_ 
...do ... 
SPI 47093 ! 
3 
3 
Favorita __ _ 
..do _ 
SPI 33207 ! 
7 
3 
Anjou _ _ _ 
Davis 
20-34 j 
10 
6 
Bartlett.. _ _ 
_do 
20-20 | 
10 i 
8 
Bloodgood ._ _ 
. .do 
20-26 i 
10 
6 
Clairgeau 
do 
20-29 
10 
8 
Clapp Favorite __ 
.do 
20-15 J 
io ! 
5 
Colonel Wilder.._ _ _ 
.do 
20-43 
9 
7 
Colorado Seedless 
do 
20-14 ! 
10 
3 
Comice .. __ _ .. 
.do . .. 
3-48 j 
10 j 
2 
Dana Ilovey 
Chico 
3 
3 
Do_ 
Davis. 
20- 5 l 
9 i. 
9 . 
1339—25t-4 
