26 
BULLETIN 209, U. S. DEPARTMENT OF AGRICULTURE. 
Table VI. — Varieties of American native and Franco- American grapes under test on 
their own roots at eleven experiment vineyards in California — Continued . 
Varieties . 
c 
j 
O 
O 
d 
c 
<B 
i 
> 2 
•3 
o 
a 
h 
C 
03 
o 
d 
o 
o 
o 
+ 
+ 
+ 
X 
-4- 
, 
+ 
+ 
+ 
Little Blue 
1 
Long John 1 + 
+ 
+ 
Lucile I 4- 
± 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
Mar'tha 4- 
+ 
4- 
1" 
Massasoit 
i 
+ 
4- 
+ 
+ 
+ 
Merrimac. 
i 
Moore 
+ 
+ 
+ 
+ 
4- 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
~T 
Oliatatoo 
+ 
Olita 
+ 
4- 
Paradox 
Paragon — 
Pardes + 
+ 
+ 
Peabodv -t- 
+ 
+ 
Pearl + 
Perkins + 
+ 
+ 
+ 
+ 
+ 
+ 
Plant de Carmes 
+ 
+ 
T 
Pooklington 4- 
+ 
Ragan — 
+ 
+ 
+ 
+ 
Red Eagle 
Regal 
+ 
+ 
+ 
+ 
Rockford 
Rogers: 
. 
No. 13 
+ 
No. 32 
Rommel 
+ 
4- 
Siebel No. 14 
+ 
Shalah 
+ 


i j 
1 ! 
To grow vines on resistant stocks successfully, it should be borne 
in mind that the resistance of vines depends upon the inherent 
characters of the vine and its adaptation to soil, climatic, and other 
conditions, and that the resistant quality of the stock is very mate- 
rially affected by the congeniality of the varieties grafted on it. 
CONGENIALITY AND ADAPTABILITY OF VINES. 
Two vine varieties are congenial to each other if both top and 
root flourish when one is grafted on the other. (See PL X, fig. 1.) 
The congeniality would be called perfect when one variety grafted 
on another behaves as if the stock were grafted with a scion of itself, 
the union being perfect and the behavior of the vine the same as 
that of an entire ungrafted plant 
